/* Modern CSS Reset */

/* Box sizing rules */
*,
*::before,
*::after {
  box-sizing: border-box;
}

/* Remove default margin and padding */
* {
  margin: 0;
  padding: 0;
}

/* Remove list styles on ul, ol elements with a list role */
ul[role='list'],
ol[role='list'] {
  list-style: none;
}

/* Set core root defaults */
html {
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
}

html:focus-within {
  scroll-behavior: smooth;
}

/* Set core body defaults */
body {
  min-height: 100dvh;
  text-rendering: optimizeSpeed;
  line-height: 1.5;
  font-family: var(--font-family-primary);
  font-size: var(--font-size-base);
  color: var(--color-text);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
}

/* A elements that don't have a class get default styles */
a:not([class]) {
  text-decoration-skip-ink: auto;
}

/* Make images easier to work with */
img,
picture {
  max-width: 100%;
  display: block;
}

/* Inherit fonts for inputs and buttons */
input,
button,
textarea,
select {
  font: inherit;
}

/* Remove all animations, transitions and smooth scroll for people that prefer not to see them */
@media (prefers-reduced-motion: reduce) {
  html:focus-within {
   scroll-behavior: auto;
  }
  
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Remove default button styles */
button {
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
}

/* Remove default form element styles */
input,
textarea,
select {
  border: none;
  outline: none;
  background: transparent;
}

/* Reset list styles */
ul,
ol {
  list-style: none;
}

/* Reset table styles */
table {
  border-collapse: collapse;
  border-spacing: 0;
}

/* Reset fieldset styles */
fieldset {
  border: none;
  padding: 0;
  margin: 0;
}
/* CSS Custom Properties - Design System Variables */

:root {
  /* Layout Heights - Viewport Based */
  --nav-height: clamp(3rem, 8vh, 4rem);
  --quiz-section-padding: clamp(1rem, 3vh, 2rem);
  --quiz-title-height: clamp(2rem, 6vh, 3rem);
  
  /* Colors */
  --color-navy: #1e3a5f;
  --color-gold: #d4a574;
  --color-white: #ffffff;
  --color-light-gray: #f7f8fa;
  --color-charcoal: #2d3436;
  
  /* Semantic Colors */
  --color-primary: var(--color-navy);
  --color-secondary: var(--color-gold);
  --color-background: var(--color-white);
  --color-surface: var(--color-light-gray);
  --color-text: var(--color-charcoal);
  --color-text-muted: #636e72;
  --color-success: #00b894;
  --color-error: #e17055;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--color-navy) 0%, #2d5a87 100%);
  --gradient-secondary: linear-gradient(135deg, var(--color-gold) 0%, #c9975a 100%);
  
  /* Typography */
  --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  /* Font Sizes */
  --font-size-xs: 0.75rem;     /* 12px */
  --font-size-sm: 0.875rem;    /* 14px */
  --font-size-base: 1rem;      /* 16px */
  --font-size-lg: 1.125rem;    /* 18px */
  --font-size-xl: 1.25rem;     /* 20px */
  --font-size-2xl: 1.5rem;     /* 24px */
  --font-size-3xl: 1.875rem;   /* 30px */
  --font-size-4xl: 2.25rem;    /* 36px */
  --font-size-5xl: 3rem;       /* 48px */
  --font-size-6xl: 3.75rem;    /* 60px */
  
  /* Line Heights */
  --line-height-tight: 1.25;
  --line-height-snug: 1.375;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;
  --line-height-loose: 2;
  
  /* Spacing */
  --space-1: 0.25rem;   /* 4px */
  --space-1-5: 0.375rem; /* 6px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.25rem;   /* 20px */
  --space-6: 1.5rem;    /* 24px */
  --space-8: 2rem;      /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */
  --space-20: 5rem;     /* 80px */
  --space-24: 6rem;     /* 96px */
  --space-32: 8rem;     /* 128px */
  
  /* Border Radius */
  --radius-sm: 0.25rem;   /* 4px */
  --radius-md: 0.375rem;  /* 6px */
  --radius-lg: 0.5rem;    /* 8px */
  --radius-xl: 0.75rem;   /* 12px */
  --radius-2xl: 1rem;     /* 16px */
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Z-Index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
  
  /* Container */
  --container-max-width: 1280px;
  --container-padding: var(--space-3); /* Start with 12px for mobile */
  
  /* Fluid Sizing Variables for Responsive Components */
  --fluid-space-xs: clamp(0.25rem, 1vw, 0.5rem);    /* 4px - 8px */
  --fluid-space-sm: clamp(0.5rem, 2vw, 1rem);       /* 8px - 16px */
  --fluid-space-md: clamp(0.75rem, 3vw, 1.5rem);    /* 12px - 24px */
  --fluid-space-lg: clamp(1rem, 4vw, 2rem);         /* 16px - 32px */
  --fluid-space-xl: clamp(1.5rem, 5vw, 3rem);       /* 24px - 48px */
  
  /* Fluid Typography for Components */
  --fluid-text-xs: clamp(0.625rem, 1.5vw, 0.75rem); /* 10px - 12px */
  --fluid-text-sm: clamp(0.75rem, 2vw, 0.875rem);   /* 12px - 14px */
  --fluid-text-base: clamp(0.875rem, 2.5vw, 1rem);  /* 14px - 16px */
  --fluid-text-lg: clamp(1rem, 3vw, 1.125rem);      /* 16px - 18px */
  
  /* Dynamic Grid Sizes */
  --cell-size-min: clamp(50px, 12vw, 80px);         /* Heat map cells */
  --cell-size-max: clamp(80px, 15vw, 120px);
  --cell-height-ratio: 0.8;                         /* Aspect ratio for cells */
  
  /* Component Dimensions */
  --chart-height-sm: clamp(120px, 25vh, 180px);     /* Small screens */
  --chart-height-md: clamp(150px, 30vh, 220px);     /* Medium screens */
  --chart-height-lg: clamp(180px, 35vh, 280px);     /* Large screens */
  
  /* Responsive Gaps */
  --gap-dynamic: clamp(0.5rem, 2.5vw, 1.5rem);      /* Dynamic gap */
  --gap-cards: clamp(0.75rem, 3vw, 2rem);           /* Card gaps */
  
  /* Mobile-specific overrides */
  --mobile-padding: clamp(0.5rem, 3vw, 1rem);
  --mobile-margin: clamp(0.25rem, 2vw, 0.75rem);
  
  /* Touch target sizes (minimum 44px for accessibility) */
  --touch-target-min: 44px;
  --touch-target-comfortable: clamp(44px, 12vw, 56px);

  /* Quiz Perfect Fit Layout - Viewport Constrained */
  --demo-section-height: calc(100vh - var(--nav-height));
  --demo-container-height: calc(var(--demo-section-height) - var(--quiz-section-padding) * 2);
  --quiz-available-height: calc(var(--demo-container-height) - var(--quiz-title-height) - var(--quiz-gap));
  
  /* Quiz Internal Proportions */
  --quiz-header-height: clamp(2rem, 8vh, 3rem);
  --quiz-navigation-height: clamp(2rem, 6vh, 2.5rem);
  --quiz-content-height: calc(var(--quiz-available-height) - var(--quiz-header-height) - var(--quiz-navigation-height));
  
  /* Quiz Content Internal Proportions */
  --question-header-ratio: 0.15;
  --question-choices-ratio: 0.5;
  --question-result-ratio: 0.35;
  
  /* Calculated Content Heights */
  --question-header-height: calc(var(--quiz-content-height) * var(--question-header-ratio));
  --question-choices-height: calc(var(--quiz-content-height) * var(--question-choices-ratio));
  --question-result-height: calc(var(--quiz-content-height) * var(--question-result-ratio));
  
  /* Fluid Quiz Variables */
  --quiz-padding-sm: clamp(0.25rem, calc(0.5vw + 0.25vh), 0.75rem);
  --quiz-padding-md: clamp(0.5rem, calc(1.5vw + 0.5vh), 1.5rem);
  --quiz-gap: clamp(0.25rem, calc(0.5vw + 0.25vh), 0.75rem);
  --quiz-text-xs: clamp(0.75rem, 2vw, 0.9rem);
  --quiz-text-sm: clamp(0.8rem, 2.2vw, 1rem);
  --quiz-text-base: clamp(0.9rem, 2.5vw, 1.1rem);
  --quiz-margin: clamp(0.25rem, calc(1.5vw + 0.5vh), 1rem);
  
  /* Breakpoints (for reference in JS) */
  --breakpoint-sm: 640px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1280px;
  --breakpoint-2xl: 1536px;
}


/* Typography System */

/* Headings */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

h1 {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-bold);
}

h2 {
  font-size: var(--font-size-4xl);
}

h3 {
  font-size: var(--font-size-3xl);
}

h4 {
  font-size: var(--font-size-2xl);
}

h5 {
  font-size: var(--font-size-xl);
}

h6 {
  font-size: var(--font-size-lg);
}

/* Paragraph and text */
p {
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-4);
}

p:last-child {
  margin-bottom: 0;
}

/* Links */
a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-secondary);
}

/* Emphasis */
strong, b {
  font-weight: var(--font-weight-semibold);
}

em, i {
  font-style: italic;
}

/* Code */
code {
  font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
  font-size: 0.9em;
  background-color: var(--color-surface);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
}

/* Typography utility classes */
.text-xs { font-size: var(--font-size-xs); }
.text-sm { font-size: var(--font-size-sm); }
.text-base { font-size: var(--font-size-base); }
.text-lg { font-size: var(--font-size-lg); }
.text-xl { font-size: var(--font-size-xl); }
.text-2xl { font-size: var(--font-size-2xl); }
.text-3xl { font-size: var(--font-size-3xl); }
.text-4xl { font-size: var(--font-size-4xl); }
.text-5xl { font-size: var(--font-size-5xl); }
.text-6xl { font-size: var(--font-size-6xl); }

.font-light { font-weight: var(--font-weight-light); }
.font-normal { font-weight: var(--font-weight-normal); }
.font-medium { font-weight: var(--font-weight-medium); }
.font-semibold { font-weight: var(--font-weight-semibold); }
.font-bold { font-weight: var(--font-weight-bold); }

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary); }
.text-muted { color: var(--color-text-muted); }
.text-success { color: var(--color-success); }
.text-error { color: var(--color-error); }

/* Responsive typography */
@media (max-width: 768px) {
  h1 { font-size: var(--font-size-4xl); }
  h2 { font-size: var(--font-size-3xl); }
  h3 { font-size: var(--font-size-2xl); }
}

@media (max-width: 640px) {
  h1 { font-size: var(--font-size-3xl); }
  h2 { font-size: var(--font-size-2xl); }
  h3 { font-size: var(--font-size-xl); }
}
/* Utility Classes */

/* Skip link for accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-2) var(--space-4);
  text-decoration: none;
  border-radius: var(--radius-md);
  z-index: 9999;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 6px;
}

/* Display */
.hidden { display: none !important; }
.block { display: block !important; }
.inline { display: inline !important; }
.inline-block { display: inline-block !important; }
.flex { display: flex !important; }
.inline-flex { display: inline-flex !important; }
.grid { display: grid !important; }

/* Visibility */
.visible { visibility: visible !important; }
.invisible { visibility: hidden !important; }

/* Position */
.static { position: static !important; }
.relative { position: relative !important; }
.absolute { position: absolute !important; }
.fixed { position: fixed !important; }
.sticky { position: sticky !important; }

/* Flexbox utilities */
.flex-col { flex-direction: column !important; }
.flex-row { flex-direction: row !important; }
.flex-wrap { flex-wrap: wrap !important; }
.flex-nowrap { flex-wrap: nowrap !important; }

.justify-start { justify-content: flex-start !important; }
.justify-end { justify-content: flex-end !important; }
.justify-center { justify-content: center !important; }
.justify-between { justify-content: space-between !important; }
.justify-around { justify-content: space-around !important; }
.justify-evenly { justify-content: space-evenly !important; }

.items-start { align-items: flex-start !important; }
.items-end { align-items: flex-end !important; }
.items-center { align-items: center !important; }
.items-baseline { align-items: baseline !important; }
.items-stretch { align-items: stretch !important; }

.self-start { align-self: flex-start !important; }
.self-end { align-self: flex-end !important; }
.self-center { align-self: center !important; }
.self-stretch { align-self: stretch !important; }

.flex-grow { flex-grow: 1 !important; }
.flex-shrink { flex-shrink: 1 !important; }
.flex-none { flex: none !important; }

/* Spacing - Margin */
.m-0 { margin: 0 !important; }
.m-1 { margin: var(--space-1) !important; }
.m-2 { margin: var(--space-2) !important; }
.m-3 { margin: var(--space-3) !important; }
.m-4 { margin: var(--space-4) !important; }
.m-5 { margin: var(--space-5) !important; }
.m-6 { margin: var(--space-6) !important; }
.m-8 { margin: var(--space-8) !important; }
.m-10 { margin: var(--space-10) !important; }
.m-12 { margin: var(--space-12) !important; }
.m-16 { margin: var(--space-16) !important; }
.m-20 { margin: var(--space-20) !important; }
.m-24 { margin: var(--space-24) !important; }
.m-32 { margin: var(--space-32) !important; }
.m-auto { margin: auto !important; }

/* Spacing - Margin Top */
.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: var(--space-1) !important; }
.mt-2 { margin-top: var(--space-2) !important; }
.mt-3 { margin-top: var(--space-3) !important; }
.mt-4 { margin-top: var(--space-4) !important; }
.mt-5 { margin-top: var(--space-5) !important; }
.mt-6 { margin-top: var(--space-6) !important; }
.mt-8 { margin-top: var(--space-8) !important; }
.mt-10 { margin-top: var(--space-10) !important; }
.mt-12 { margin-top: var(--space-12) !important; }
.mt-16 { margin-top: var(--space-16) !important; }
.mt-20 { margin-top: var(--space-20) !important; }
.mt-24 { margin-top: var(--space-24) !important; }
.mt-32 { margin-top: var(--space-32) !important; }
.mt-auto { margin-top: auto !important; }

/* Spacing - Margin Bottom */
.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: var(--space-1) !important; }
.mb-2 { margin-bottom: var(--space-2) !important; }
.mb-3 { margin-bottom: var(--space-3) !important; }
.mb-4 { margin-bottom: var(--space-4) !important; }
.mb-5 { margin-bottom: var(--space-5) !important; }
.mb-6 { margin-bottom: var(--space-6) !important; }
.mb-8 { margin-bottom: var(--space-8) !important; }
.mb-10 { margin-bottom: var(--space-10) !important; }
.mb-12 { margin-bottom: var(--space-12) !important; }
.mb-16 { margin-bottom: var(--space-16) !important; }
.mb-20 { margin-bottom: var(--space-20) !important; }
.mb-24 { margin-bottom: var(--space-24) !important; }
.mb-32 { margin-bottom: var(--space-32) !important; }
.mb-auto { margin-bottom: auto !important; }

/* Spacing - Padding */
.p-0 { padding: 0 !important; }
.p-1 { padding: var(--space-1) !important; }
.p-2 { padding: var(--space-2) !important; }
.p-3 { padding: var(--space-3) !important; }
.p-4 { padding: var(--space-4) !important; }
.p-5 { padding: var(--space-5) !important; }
.p-6 { padding: var(--space-6) !important; }
.p-8 { padding: var(--space-8) !important; }
.p-10 { padding: var(--space-10) !important; }
.p-12 { padding: var(--space-12) !important; }
.p-16 { padding: var(--space-16) !important; }
.p-20 { padding: var(--space-20) !important; }
.p-24 { padding: var(--space-24) !important; }
.p-32 { padding: var(--space-32) !important; }

/* Border Radius */
.rounded-none { border-radius: 0 !important; }
.rounded-sm { border-radius: var(--radius-sm) !important; }
.rounded { border-radius: var(--radius-md) !important; }
.rounded-lg { border-radius: var(--radius-lg) !important; }
.rounded-xl { border-radius: var(--radius-xl) !important; }
.rounded-2xl { border-radius: var(--radius-2xl) !important; }
.rounded-full { border-radius: var(--radius-full) !important; }

/* Shadow */
.shadow-none { box-shadow: none !important; }
.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.shadow { box-shadow: var(--shadow-md) !important; }
.shadow-lg { box-shadow: var(--shadow-lg) !important; }
.shadow-xl { box-shadow: var(--shadow-xl) !important; }
.shadow-2xl { box-shadow: var(--shadow-2xl) !important; }

/* Opacity */
.opacity-0 { opacity: 0 !important; }
.opacity-25 { opacity: 0.25 !important; }
.opacity-50 { opacity: 0.5 !important; }
.opacity-75 { opacity: 0.75 !important; }
.opacity-100 { opacity: 1 !important; }

/* Cursor */
.cursor-pointer { cursor: pointer !important; }
.cursor-default { cursor: default !important; }
.cursor-not-allowed { cursor: not-allowed !important; }

/* Overflow */
.overflow-hidden { overflow: hidden !important; }
.overflow-auto { overflow: auto !important; }
.overflow-visible { overflow: visible !important; }

/* Width */
.w-full { width: 100% !important; }
.w-auto { width: auto !important; }

/* Height */
.h-full { height: 100% !important; }
.h-auto { height: auto !important; }

/* Z-Index */
.z-0 { z-index: 0 !important; }
.z-10 { z-index: 10 !important; }
.z-20 { z-index: 20 !important; }
.z-30 { z-index: 30 !important; }
.z-40 { z-index: 40 !important; }
.z-50 { z-index: 50 !important; }

/* Screen reader only */
.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* Anchor positioning */
#join-waitlist {
  position: relative;
  top: -6rem; /* Offset to account for header and provide padding above section */
  visibility: hidden;
}
/* Grid System */

/* Section spacing */
section {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

@media (min-width: 768px) {
  section {
    padding-top: var(--space-24);
    padding-bottom: var(--space-24);
  }
}

/* Section titles */
.section__title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  text-align: center;
  margin-bottom: var(--space-12);
  color: var(--color-text);
}

.section__subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  text-align: center;
  margin-bottom: var(--space-8);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Grid layouts */
.grid {
  display: grid;
  gap: var(--space-6);
}

.grid--2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

/* Responsive grids */
@media (max-width: 768px) {
  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 769px) and (max-width: 1023px) {
  .grid--3,
  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Features grid */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-8);
  margin-top: var(--space-12);
}

/* Stats grid - Mobile First Approach with improved responsiveness */
.stats-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(0.75rem, 3vw, 1.5rem);
  margin-top: var(--space-12);
  width: 100%;
  overflow: hidden;
}

/* Very small screens - more compact */
@media (max-width: 320px) {
  .stats-grid {
    gap: clamp(0.5rem, 2vw, 0.75rem);
  }
}

/* Small screens - still single column but better spacing */
@media (min-width: 321px) and (max-width: 767px) {
  .stats-grid {
    gap: clamp(1rem, 4vw, 1.5rem);
  }
}

/* Tablet screens - introduce 2 columns when cards can fit comfortably */
@media (min-width: 768px) and (max-width: 1023px) {
  .stats-grid {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: clamp(1.25rem, 3vw, 2rem);
    grid-auto-rows: minmax(260px, auto);
  }
}

/* Desktop screens - 3 columns for better chart visibility */
@media (min-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(1.5rem, 3vw, 2rem);
    grid-auto-rows: minmax(280px, auto);
    grid-auto-flow: dense; /* Better space filling */
  }
  
  /* Heat map spans all 3 columns */
  #heat-map.stat-card {
    grid-column: 1 / -1;
    min-height: 320px;
  }
  
  /* Leaderboard spans all 3 columns */
  #leaderboard.stat-card {
    grid-column: 1 / -1;
    min-height: 350px;
  }
}

/* Large desktop screens - optimize for even more space */
@media (min-width: 1400px) {
  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(2rem, 3vw, 2.5rem);
    grid-auto-rows: minmax(320px, auto);
  }
  
  #heat-map.stat-card {
    grid-column: 1 / -1;
    min-height: 380px;
  }
  
  #leaderboard.stat-card {
    grid-column: 1 / -1;
    min-height: 420px;
  }
}
/* Container Layout */

.container {
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(0.5rem, 3vw, 2rem);
  padding-right: clamp(0.5rem, 3vw, 2rem);
}

/* Responsive container padding with fluid approach */
@media (max-width: 320px) {
  .container {
    padding-left: clamp(0.25rem, 2vw, 0.5rem);
    padding-right: clamp(0.25rem, 2vw, 0.5rem);
  }
}

@media (min-width: 1400px) {
  .container {
    padding-left: clamp(2rem, 4vw, 4rem);
    padding-right: clamp(2rem, 4vw, 4rem);
  }
}

/* Container variants */
.container--narrow {
  max-width: 768px;
}

.container--wide {
  max-width: 1536px;
}

.container--full {
  max-width: none;
  width: 100%;
}
/* Navigation Component */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid transparent;
  transition: all var(--transition-base);
  width: 100%;
  overflow: hidden; /* Prevent horizontal overflow */
  box-sizing: border-box;
}

.nav--scrolled {
  background-color: rgba(255, 255, 255, 0.98);
  border-bottom-color: rgba(30, 58, 95, 0.1);
  box-shadow: var(--shadow-sm);
}

.nav__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) clamp(0.5rem, 3vw, 2rem);
  max-width: var(--container-max-width);
  margin: 0 auto;
  min-width: 0; /* Ensure flex items can shrink */
  box-sizing: border-box; /* Include padding in width calculation */
}

.nav__brand {
  display: flex;
  align-items: center;
  flex-shrink: 0; /* Don't allow logo to disappear */
  min-width: 0;
}

.nav__logo {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
  white-space: nowrap; /* Prevent text wrapping */
}

.nav__logo:hover {
  color: var(--color-secondary);
}

.nav__cta {
  font-size: clamp(0.75rem, 2vw, 0.875rem);
  padding: clamp(0.25rem, 1vw, 0.5rem) clamp(0.5rem, 2.5vw, 1rem);
  flex-shrink: 1;
  white-space: nowrap;
  min-width: var(--touch-target-min);
  width: fit-content;
  max-width: min(50vw, 200px);
}

/* Responsive adjustments */
@media (max-width: 480px) {
  .nav__cta {
    font-size: clamp(0.7rem, 1.8vw, 0.8rem);
    padding: clamp(0.25rem, 0.8vw, 0.4rem) clamp(0.4rem, 2vw, 0.8rem);
    max-width: min(45vw, 140px);
  }
}

/* Match container's small screen padding */
@media (max-width: 320px) {
  .nav__container {
    padding: var(--space-2) clamp(0.25rem, 1.5vw, 0.5rem);
  }
  
  .nav__cta {
    font-size: clamp(0.65rem, 1.5vw, 0.75rem);
    padding: clamp(0.2rem, 0.6vw, 0.35rem) clamp(0.3rem, 1.5vw, 0.6rem);
    max-width: min(40vw, 120px);
  }
}
/* Hero Section */

.hero {
  padding-top: calc(var(--space-16) + var(--fluid-space-xl)); /* Account for fixed nav */
  padding-bottom: var(--space-20);
  background: linear-gradient(135deg, var(--color-white) 0%, var(--color-light-gray) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: -20%;
  width: 40%;
  height: 100%;
  background: linear-gradient(45deg, transparent 0%, rgba(212, 165, 116, 0.1) 50%, transparent 100%);
  transform: skewX(-15deg);
  pointer-events: none;
}

.hero__content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero__title {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-6);
  line-height: var(--line-height-tight);
}

.hero__subtitle {
  font-size: var(--font-size-xl);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  line-height: var(--line-height-relaxed);
}

.hero__preview-offer {
  background: linear-gradient(135deg, rgba(30, 58, 95, 0.1) 0%, rgba(212, 165, 116, 0.1) 100%);
  border: 1px solid rgba(30, 58, 95, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  margin: 0 auto var(--space-12);
  max-width: 500px;
}

.preview-offer__text {
  font-size: var(--font-size-sm);
  color: var(--color-text);
  margin: 0;
  text-align: center;
  line-height: 1.4;
}

.hero__question {
  max-width: 600px;
  margin: 0 auto;
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(30, 58, 95, 0.1);
}

/* Static hero question styling */
.hero-question {
  width: 100%;
}

.hero-question .question__header {
  margin-bottom: var(--space-6);
}

.hero-question .question__text {
  font-size: var(--font-size-lg);
  color: var(--color-text);
  line-height: var(--line-height-relaxed);
  padding: var(--space-4);
  background: var(--color-light-gray);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-primary);
  margin-bottom: var(--space-6);
}

.hero-question .question__choices {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.hero-question .question__choice {
  display: flex;
  align-items: center;
  padding: var(--space-4);
  background: var(--color-surface);
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  font-size: var(--font-size-base);
  text-align: left;
}

.hero-question .question__choice:hover:not(:disabled) {
  background: rgba(212, 165, 116, 0.1);
  border-color: var(--color-secondary);
  transform: translateY(-1px);
}

.hero-question .question__choice:disabled {
  cursor: default;
}

.hero-question .question__choice.selected {
  background: rgba(30, 58, 95, 0.1);
  border-color: var(--color-primary);
}

.hero-question .question__choice.correct {
  background: rgba(0, 184, 148, 0.1);
  border-color: var(--color-success);
}

.hero-question .question__choice.incorrect {
  background: rgba(225, 112, 85, 0.1);
  border-color: var(--color-error);
}

.hero-question .question__choice-letter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  font-weight: var(--font-weight-semibold);
  margin-right: var(--space-4);
  font-size: var(--font-size-sm);
}

.hero-question .question__choice.correct .question__choice-letter {
  background: var(--color-success);
}

.hero-question .question__choice.incorrect .question__choice-letter {
  background: var(--color-error);
}

.hero-question .question__result {
  margin-top: var(--space-6);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  background: var(--color-light-gray);
}

.hero-question .question__feedback {
  margin-bottom: var(--space-4);
}

.hero-question .feedback-content {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.hero-question .feedback-content.correct {
  color: var(--color-success);
}

.hero-question .feedback-content.incorrect {
  color: var(--color-error);
}

.hero-question .feedback-icon {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
}

.hero-question .feedback-text {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
}

.hero-question .question__explanation {
  margin-bottom: var(--space-4);
}

.hero-question .question__explanation p {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: var(--line-height-relaxed);
}

.hero-question .question__stats {
  display: flex;
  gap: var(--space-4);
}

.hero-question .question__stat {
  display: flex;
  gap: var(--space-2);
}

.hero-question .stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  font-weight: var(--font-weight-medium);
}

.hero-question .stat-value {
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
  text-transform: capitalize;
}

.hero-question .question__cta {
  margin-top: var(--space-6);
  padding: var(--space-4);
  text-align: center;
  border-top: 1px solid rgba(30, 58, 95, 0.1);
  transition: opacity var(--transition-base);
}

.hero-question .question__cta--placeholder {
  opacity: 0;
  pointer-events: none;
}

.hero-question .question__cta--visible {
  opacity: 1;
  pointer-events: auto;
}

.hero-question .question__cta-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  line-height: var(--line-height-relaxed);
}

/* Hero fallback content */
.hero-fallback {
  padding: var(--space-8);
}

.question-preview {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(30, 58, 95, 0.1);
  max-width: 600px;
  margin: 0 auto;
}

.question-preview__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  margin-bottom: var(--space-4);
  text-align: center;
}

.question-preview__text {
  font-size: var(--font-size-lg);
  color: var(--color-text);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-6);
  padding: var(--space-4);
  background: var(--color-light-gray);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-primary);
}

.question-preview__choices {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.choice-preview {
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid rgba(30, 58, 95, 0.1);
  font-size: var(--font-size-base);
  color: var(--color-text);
  cursor: default;
  transition: all var(--transition-base);
}

.choice-preview:hover {
  background: rgba(212, 165, 116, 0.1);
  border-color: var(--color-secondary);
}

.question-preview__cta {
  text-align: center;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-surface);
}

.preview-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  font-style: italic;
}

.hero-fallback__text {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
}

.hero-fallback__link {
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
  text-decoration: underline;
  text-decoration-color: var(--color-secondary);
}

/* Hero prompt */
.hero-prompt {
  text-align: center;
  padding: var(--space-6);
  background: var(--color-light-gray);
  border-radius: var(--radius-lg);
  margin-top: var(--space-4);
}

.hero-prompt__text {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-4);
  color: var(--color-text);
}

.hero-prompt__cta {
  margin-top: var(--space-4);
}

/* Responsive hero */
@media (max-width: 768px) {
  .hero {
    padding-top: calc(var(--space-16) + 60px);
    padding-bottom: var(--space-16);
  }
  
  .hero__title {
    font-size: var(--font-size-4xl);
  }
  
  .hero__subtitle {
    font-size: var(--font-size-lg);
  }
  
  .hero__question {
    padding: var(--space-6);
    margin-left: 0;
    margin-right: 0;
  }

  .hero-question .question__text {
    font-size: var(--font-size-base);
    padding: var(--space-3);
  }

  .hero-question .question__choice {
    padding: var(--space-3);
    font-size: var(--font-size-sm);
  }

  .hero-question .question__choice-letter {
    width: 28px;
    height: 28px;
    font-size: var(--font-size-xs);
    margin-right: var(--space-3);
  }

  .hero-question .question__cta-text {
    font-size: var(--font-size-xs);
  }
}

@media (max-width: 640px) {
  .hero__title {
    font-size: var(--font-size-3xl);
  }
  
  .hero__subtitle {
    font-size: var(--font-size-base);
  }
  
  .hero__question {
    padding: var(--space-4);
    margin-left: 0;
    margin-right: 0;
  }

  .hero-question .question__text {
    font-size: var(--font-size-sm);
    padding: var(--space-2);
  }

  .hero-question .question__choice {
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-xs);
  }

  .hero-question .question__choice-letter {
    width: 24px;
    height: 24px;
    font-size: 10px;
    margin-right: var(--space-2);
  }
}
/* Advantages Section */

.advantages {
  background: linear-gradient(135deg, var(--color-primary) 0%, #2d5a87 100%);
  padding: var(--space-20) 0;
  position: relative;
  overflow: hidden;
}

.advantages::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    url("data:image/svg+xml,<svg width=\"40\" height=\"40\" viewBox=\"0 0 40 40\" xmlns=\"http://www.w3.org/2000/svg\"><circle cx=\"20\" cy=\"20\" r=\"1\" fill=\"%23ffffff\" opacity=\"0.1\"/></svg>"),
    radial-gradient(circle at 25% 75%, rgba(212, 165, 116, 0.08) 0%, transparent 50%);
  pointer-events: none;
}

.advantages .section__title {
  color: var(--color-white);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: var(--font-weight-bold);
  text-align: center;
  margin-bottom: var(--space-4);
  line-height: var(--line-height-tight);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.advantages .section__subtitle {
  color: var(--color-secondary);
  font-size: var(--font-size-xl);
  text-align: center;
  margin-bottom: var(--space-16);
  font-weight: var(--font-weight-medium);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-8);
  margin-bottom: var(--space-12);
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding: 0 var(--container-padding);
}

.feature {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border: 2px solid rgba(212, 165, 116, 0.2);
  border-radius: var(--radius-2xl);
  padding: var(--space-10) var(--space-8);
  text-align: center;
  position: relative;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.feature::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-secondary);
}

.feature::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: radial-gradient(circle, rgba(212, 165, 116, 0.1) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  transition: all 0.4s ease;
  z-index: 0;
}

.feature:hover::after {
  width: 120%;
  height: 120%;
}

.feature:hover {
  transform: translateY(-8px);
  border-color: var(--color-secondary);
  box-shadow: var(--shadow-2xl);
}

.feature__icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-6);
  background: var(--gradient-secondary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
  box-shadow: 0 8px 24px rgba(212, 165, 116, 0.3);
}

.feature__icon svg {
  color: var(--color-white);
  stroke-width: 2.5;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.feature__title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-4);
  line-height: var(--line-height-snug);
  position: relative;
  z-index: 1;
}

.feature__description {
  font-size: var(--font-size-lg);
  color: var(--color-text);
  line-height: var(--line-height-relaxed);
  margin: 0;
  position: relative;
  z-index: 1;
}

.feature__description strong {
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
  background: linear-gradient(135deg, var(--color-primary) 0%, #2d5a87 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.cta-row {
  text-align: center;
  padding: var(--space-12) var(--space-8);
  background: rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-2xl);
  border: 2px solid var(--color-secondary);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
  max-width: 800px;
  margin: 0 auto;
}

.cta-row::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.1) 50%, transparent 70%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.cta-row:hover::before {
  opacity: 1;
}

.cta-text {
  font-size: var(--font-size-2xl);
  color: var(--color-white);
  margin-bottom: var(--space-4);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-snug);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.cta-preview-text {
  font-size: var(--font-size-lg);
  color: var(--color-secondary);
  margin-bottom: var(--space-8);
  font-weight: var(--font-weight-medium);
  line-height: var(--line-height-relaxed);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.cta-button {
  font-size: var(--font-size-lg);
  padding: var(--space-4) var(--space-10);
  background: var(--gradient-secondary);
  border: none;
  border-radius: var(--radius-xl);
  color: var(--color-white);
  font-weight: var(--font-weight-bold);
  transition: all var(--transition-base);
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: 0 8px 24px rgba(212, 165, 116, 0.4);
  position: relative;
  overflow: hidden;
}

.cta-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.6s ease;
}

.cta-button:hover::before {
  left: 100%;
}

.cta-button:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 12px 32px rgba(212, 165, 116, 0.5);
}

/* Responsive features */
@media (max-width: 768px) {
  .features {
    gap: var(--space-6);
  }
  
  .feature {
    padding: var(--space-5);
  }
  
  .feature__icon {
    width: 56px;
    height: 56px;
  }
  
  .feature__icon::before {
    width: 28px;
    height: 28px;
  }
  
  .feature__title {
    font-size: var(--font-size-lg);
  }
}
/* Quiz Component */

.demo {
  background: var(--color-light-gray);
  padding: var(--quiz-section-padding) 0;
  height: var(--demo-section-height);
  max-height: var(--demo-section-height);
  box-sizing: border-box;
  overflow: hidden;
}

.demo .container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--quiz-gap);
  height: var(--demo-container-height);
  max-height: var(--demo-container-height);
  box-sizing: border-box;
}

.demo .section__title {
  font-size: clamp(1.5rem, calc(3vw + 1vh), 2.5rem);
  text-align: center;
  margin-bottom: 0;
  height: var(--quiz-title-height);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.quiz {
  max-width: 50rem;
  margin: 0 auto;
  background: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  height: var(--quiz-available-height);
  max-height: var(--quiz-available-height);
  box-sizing: border-box;
  overflow: hidden;
  flex-shrink: 0;
}

.quiz-header {
  flex: 0 0 var(--quiz-header-height);
  padding: 0 var(--quiz-padding-md);
  background: var(--color-white);
  border-bottom: 1px solid rgba(30, 58, 95, 0.1);
  display: flex;
  align-items: center;
  width: 100%;
  box-sizing: border-box;
}

.quiz-progress {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--quiz-padding-md);
  width: 100%;
}

.quiz-progress__bar {
  flex: 1;
  height: 0.375rem;
  background: var(--color-light-gray);
  border-radius: var(--radius-full);
  overflow: hidden;
  min-width: 0;
}

.quiz-progress__fill {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
}

.quiz-progress__text {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
  white-space: nowrap;
}

.quiz-content {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  padding: var(--quiz-padding-sm);
  box-sizing: border-box;
  overflow: hidden;
}

#current-question {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.quiz-spacer {
  flex: 1;
}

.quiz-navigation {
  flex: 0 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: clamp(0.75rem, 2vh, 1rem) var(--quiz-padding-md);
  background: var(--color-white);
  border-top: 1px solid var(--color-light-gray);
  box-sizing: border-box;
  overflow: hidden;
}

/* Next button styling */
.quiz-next {
  min-width: clamp(6rem, 15vw, 8.75rem);
  max-width: 80%;
  transition: all var(--transition-base);
  box-sizing: border-box;
}

.quiz-next:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.quiz-next:not(:disabled):hover {
  transform: translateY(-0.125rem);
  box-shadow: 0 0.25rem 0.75rem rgba(30, 58, 95, 0.3);
}

/* Quiz Results */
.quiz-results {
  padding: var(--quiz-padding-sm);
  text-align: center;
  background: var(--color-white);
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  min-height: 0;
}

.quiz-results--visible {
  display: block;
}

.quiz-results__content h3 {
  color: var(--color-primary);
  margin-bottom: var(--quiz-padding-md);
}

.quiz-score {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--quiz-padding-md);
  margin-bottom: var(--quiz-padding-md);
}

.quiz-score__number {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

.quiz-score__percentage {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-secondary);
}

.quiz-results__message {
  font-size: var(--quiz-text-base);
  color: var(--color-text-muted);
  margin-bottom: var(--quiz-padding-lg);
  line-height: var(--line-height-relaxed);
}

.quiz-results__actions {
  display: flex;
  flex-direction: column;
  gap: var(--quiz-padding-md);
  align-items: center;
}

.quiz-results__cta {
  margin-top: var(--quiz-padding-md);
}

.quiz-share {
  text-align: center;
  padding: var(--quiz-padding-md);
  background: rgba(30, 58, 95, 0.05);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(30, 58, 95, 0.1);
}

.quiz-share__text {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--quiz-padding-sm);
}

.quiz-share__buttons {
  display: flex;
  gap: var(--quiz-padding-sm);
  justify-content: center;
  flex-wrap: wrap;
}

.quiz-share-btn {
  display: flex;
  align-items: center;
  gap: var(--quiz-padding-xs);
  font-size: var(--font-size-xs);
  padding: var(--quiz-padding-sm) var(--quiz-padding-md);
  border: 1px solid var(--color-light-gray);
  background: var(--color-white);
  color: var(--color-text);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.quiz-share-btn:hover {
  background: var(--color-surface);
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-1px);
}

.quiz-share-btn svg {
  flex-shrink: 0;
}

/* Question stats and CTA styling */
.question__stats {
  flex-shrink: 0;
  margin-top: var(--quiz-gap);
  font-size: clamp(0.6rem, calc(0.8vw + 0.2vh), 0.75rem);
  min-height: clamp(2rem, 5vh, 3rem);
  transition: opacity 0.15s ease-in-out, visibility 0.15s ease-in-out;
}

.question__stats--hidden {
  opacity: 0;
  visibility: hidden;
}

.question__cta {
  flex-shrink: 0;
  margin-top: var(--quiz-gap);
  max-height: clamp(2rem, 6vh, 3rem);
  overflow: hidden;
}

.question__cta-text {
  font-size: clamp(0.65rem, calc(0.9vw + 0.2vh), 0.8rem);
  line-height: 1.3;
  margin-bottom: var(--quiz-gap);
}

.question__cta-button {
  font-size: clamp(0.7rem, calc(1vw + 0.25vh), 0.85rem);
  padding: clamp(0.25rem, 0.5vh, 0.5rem) clamp(0.5rem, 1vw, 1rem);
}

.question__feedback {
  flex-shrink: 0;
  margin-bottom: clamp(0.25rem, 0.5vh, 0.5rem);
  font-size: clamp(0.75rem, 2vh, 0.9rem);
  min-height: clamp(1.5rem, 3vh, 2rem);
  overflow: hidden;
  display: flex;
  align-items: center;
}

.question__feedback--placeholder {
  height: clamp(3rem, 8vh, 4rem);
}

.question__feedback--hidden {
  opacity: 0;
  visibility: hidden;
}

.question__feedback-text {
  transition: opacity 0.15s ease-in-out, visibility 0.15s ease-in-out;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

/* Quiz Error State */
.quiz-error {
  padding: var(--quiz-padding-lg);
  text-align: center;
  color: var(--color-text-muted);
}

.quiz-error p {
  margin-bottom: var(--quiz-padding-md);
}

/* Focus states for accessibility */
.quiz-content:focus-within {
  outline: none;
}

/* Animation for question transitions */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(1.25rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

#current-question {
  animation: fadeIn 0.3s ease-out;
}

/* Question content layout within flexible height - programmatically ensure space */
.question {
  display: contents;
}

/* Ensure explanation always has minimum space */
.question:has(.question__result:not(.hidden)) .question__result {
  min-height: 5rem; /* Guarantee space for explanation */
  max-height: none; /* Remove height constraint that causes cutoff */
  overflow: visible; /* Ensure content is not clipped */
}

.question__header {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(0.25rem, 0.5vh, 0.5rem);
  box-sizing: border-box;
}

.question__text {
  font-size: clamp(0.8rem, 3vh, 1.2rem);
  line-height: 1.3;
  text-align: center;
}

.question__choices {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: stretch;
  gap: clamp(0.15rem, 0.6vh, 0.3rem);
  box-sizing: border-box;
  overflow: hidden;
}

.question__choice-text {
  font-size: clamp(0.85rem, 2.5vh, 1.1rem);
  line-height: 1.4;
  padding: 0.5rem 0;
}

.question__result {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  padding: var(--quiz-padding-sm) 0;
  justify-content: flex-start;
  box-sizing: border-box;
  overflow: hidden;
}

.question__result.hidden {
  display: none;
}

.quiz .hidden {
  display: none;
}

.question__explanation.hidden {
  display: none;
}

.question__result:not(.hidden) {
  display: flex;
}

/* Responsive explanation styling */
.question__explanation {
  flex: 0 0 auto;
  margin-top: clamp(0.25rem, 0.5vh, 0.5rem);
  box-sizing: border-box;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.quiz .question__explanation--placeholder {
  flex: 0 0 auto;
  background: transparent !important;
  padding: 0 !important;
  border-radius: 0 !important;
  margin-top: clamp(0.25rem, 0.5vh, 0.5rem) !important;
  min-height: 0;
}

.question__explanation--hidden {
  opacity: 0;
  visibility: hidden;
}

.question__explanation h4 {
  font-size: clamp(0.7rem, 1.8vh, 0.85rem);
  margin-bottom: clamp(0.1rem, 0.3vh, 0.2rem);
  font-weight: 600;
  transition: opacity 0.15s ease-in-out, visibility 0.15s ease-in-out;
  flex-shrink: 0;
}

.question__explanation p {
  font-size: clamp(0.7rem, 1.8vh, 0.85rem);
  line-height: 1.3;
  margin: 0;
  text-align: left;
  transition: opacity 0.15s ease-in-out, visibility 0.15s ease-in-out;
  overflow: visible;
}

/* When explanation is visible, use flex layout */
.question__explanation:not(.question__explanation--placeholder) {
  display: flex;
  flex-direction: column;
  padding: clamp(0.5rem, 1vh, 0.75rem);
  background: var(--color-light-gray);
  border-radius: var(--radius-lg);
}

.question__show-explanation {
  margin-top: var(--quiz-padding-sm);
  font-size: var(--quiz-text-sm);
  padding: var(--quiz-padding-sm) var(--quiz-padding-md);
  transition: opacity 0.15s ease-in-out, visibility 0.15s ease-in-out;
}

.question__show-explanation--hidden {
  opacity: 0;
  visibility: hidden;
}

/* Responsive adjustments for mobile */
@media (max-width: 768px) {
  .demo {
    padding: clamp(0.5rem, 2vh, 1rem) 0;
  }
  
  .demo .container {
    gap: clamp(0.5rem, 1.5vh, 1rem);
  }
  
  .demo .section__title {
    font-size: clamp(1.2rem, calc(4vw + 1vh), 2rem);
    height: clamp(1.5rem, 4vh, 2.5rem);
  }
  
  .question__header {
    padding: clamp(0.25rem, 1vh, 0.5rem);
  }
  
  .question__text {
    font-size: clamp(0.75rem, 2.5vh, 1rem);
    line-height: 1.2;
  }
  
  .question__choice {
    padding: clamp(0.25rem, 0.6vh, 0.4rem);
    min-height: clamp(1.5rem, 3vh, 2rem);
    gap: var(--space-2);
  }
  
  .question__choice-letter {
    width: clamp(24px, 6vw, 28px);
    height: clamp(24px, 6vw, 28px);
    font-size: clamp(0.65rem, 1.8vh, 0.75rem);
  }
  
  .question__choice-text {
    font-size: clamp(0.7rem, 2vh, 0.9rem);
    line-height: 1.3;
  }
  
  .question__explanation h4 {
    font-size: clamp(0.6rem, 1.8vh, 0.75rem);
  }
  
  .question__explanation p {
    font-size: clamp(0.6rem, 1.6vh, 0.75rem);
  }
}

@media (max-width: 480px) {
  .quiz {
    border-radius: var(--radius-lg);
  }
  
  .question__choices {
    gap: clamp(0.2rem, 0.8vh, 0.4rem);
  }
}

/* Landscape mobile optimization */
@media (max-width: 768px) and (orientation: landscape) {
  :root {
    --question-header-ratio: 0.15;
    --question-choices-ratio: 0.45;
    --question-result-ratio: 0.4;
  }
  
  .demo .section__title {
    height: clamp(1.2rem, 3vh, 2rem);
  }
  
  .quiz-header {
    height: clamp(1.5rem, 4vh, 2rem);
  }
  
  .quiz-navigation {
    height: clamp(1.5rem, 4vh, 2rem);
  }
}





/* Stats/Visual Features Component */

.visual-features {
  background: var(--color-white);
}

.stats-header {
  text-align: center;
  margin-bottom: var(--fluid-space-2xl);
  padding: var(--fluid-space-lg) 0;
}

.stats-uber-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--fluid-space-md);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.stats-uber-subtitle {
  font-size: clamp(1.125rem, 3vw, 1.5rem);
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.4;
  font-weight: var(--font-weight-medium);
}

.stat-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--fluid-space-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(30, 58, 95, 0.08);
  height: 100%;
  display: flex;
  flex-direction: column;
  container-type: inline-size;
  min-height: var(--chart-height-sm);
}

@container (min-width: 300px) {
  .stat-card {
    padding: var(--fluid-space-xl);
  }
}

.stat-card h3 {
  font-size: var(--fluid-text-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  margin-bottom: var(--fluid-space-md);
  text-align: center;
  line-height: 1.3;
}

.chart-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: stretch;
  min-height: var(--chart-height-sm);
  width: 100%;
  container-type: inline-size;
  gap: var(--fluid-space-md);
  height: 100%;
}

@container (min-width: 400px) {
  .chart-container {
    min-height: var(--chart-height-md);
  }
}

@container (min-width: 600px) {
  .chart-container {
    min-height: var(--chart-height-lg);
  }
}

/* Chart Visual Container */
.chart-visual {
  flex: 1;
  display: flex;
  align-items: stretch;
  justify-content: center;
  width: 100%;
  height: 100%;
  overflow: visible;
  padding: var(--fluid-space-sm);
}

/* Score Chart */
.score-chart {
  width: 100%;
  height: 150px;
}

.score-line {
  fill: none;
  stroke: var(--color-primary);
  stroke-width: 2;
  stroke-dasharray: 0;
  stroke-dashoffset: 0;
}

.score-point {
  fill: var(--color-secondary);
  stroke: var(--color-white);
  stroke-width: 2;
  opacity: 0;
  transform: scale(0);
  transform-origin: center;
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.chart-legend {
  text-align: center;
  width: 100%;
  max-width: 500px;
  margin: 0 auto;
}

.legend-title {
  display: block;
  font-size: var(--fluid-text-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  margin-bottom: var(--fluid-space-sm);
}

.chart-stats {
  display: flex;
  flex-direction: column;
  gap: var(--fluid-space-xs);
}

@media (min-width: 400px) {
  .chart-stats {
    flex-direction: row;
    justify-content: center;
    gap: var(--fluid-space-md);
  }
}

.stat-item {
  font-size: var(--fluid-text-base);
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* Countdown Timer */
.countdown-timer {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
}

.countdown-display {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  transition: filter var(--transition-fast);
}

.countdown-display.countdown-pulse {
  animation: countdownPulse 0.3s ease-out;
}

.countdown-unit {
  text-align: center;
  padding: var(--space-3);
  background: linear-gradient(145deg, var(--color-surface), var(--color-white));
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.countdown-number-container {
  position: relative;
  height: 3rem; /* Fixed height for smooth transitions */
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.countdown-number {
  position: absolute;
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  line-height: 1;
  transition: transform var(--transition-base), opacity var(--transition-base);
  font-family: 'SF Mono', Menlo, Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
}

.countdown-number--current {
  transform: translateY(0);
  opacity: 1;
}

.countdown-number--next {
  transform: translateY(100%);
  opacity: 0;
}

.countdown-number--leaving {
  transform: translateY(-100%);
  opacity: 0;
}

.countdown-number--entering {
  transform: translateY(0);
  opacity: 1;
}

.countdown-label {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: var(--space-1);
  font-weight: var(--font-weight-medium);
}

.countdown-separator {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-secondary);
  animation: separatorBlink 2s ease-in-out infinite;
}

.countdown-expired {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-success);
  text-align: center;
}

.countdown-glow {
  font-size: var(--font-size-4xl);
  animation: glowPulse 2s ease-in-out infinite;
}

/* Percentile Chart */
.percentile-chart {
  width: 100%;
  height: 100%;
  max-width: 100%;
}

.percentile-legend {
  text-align: center;
  width: 100%;
  max-width: 500px;
  margin: 0 auto;
}

.bell-curve {
  stroke: var(--color-primary);
  stroke-width: 2;
  fill: none;
  stroke-dasharray: 0;
  stroke-dashoffset: 0;
}

.percentile-marker {
  fill: var(--color-secondary);
  stroke: var(--color-white);
  stroke-width: 2;
  opacity: 0;
  transform: scale(0);
  transform-origin: center;
  border: none !important;
  outline: none !important;
  box-shadow: none !important;
  background: none !important;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

.percentile-label {
  font-size: var(--font-size-sm);
  fill: var(--color-text);
  font-weight: var(--font-weight-medium);
}

/* Mastery Rings - Dynamic Sizing */
.mastery-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(var(--ring-size, 180px), 1fr));
  gap: var(--fluid-space-lg);
  align-items: center;
  justify-items: center;
  width: 100%;
  padding: var(--mobile-padding);
  --ring-size: 180px; /* Default fallback */
}

.mastery-ring {
  position: relative;
  width: var(--ring-size, 180px);
  height: var(--ring-size, 180px);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: clamp(0.5rem, 3vw, 1.5rem);
}

.ring-chart {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.ring-background {
  fill: none;
  stroke: var(--color-light-gray);
  stroke-width: 8;
}

.ring-progress {
  fill: none;
  stroke: var(--color-secondary);
  stroke-width: 8;
  stroke-linecap: round;
  transition: stroke-dashoffset var(--transition-slow);
}

.ring-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  width: 90%;
  padding: var(--fluid-space-xs);
}

.ring-percentage {
  font-size: calc(var(--ring-size, 180px) * 0.12); /* Increased from 0.08 */
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: calc(var(--ring-size, 180px) * 0.015);
}

.ring-label {
  font-size: calc(var(--ring-size, 180px) * 0.075); /* Increased from 0.055 */
  color: var(--color-text-muted);
  line-height: 1.1;
  text-align: center;
  max-width: 80%; /* Constrain width to prevent ring overlap */
  word-wrap: break-word;
  overflow-wrap: break-word;
  margin: 0 auto;
}

/* Mastery explanation */
.mastery-explanation {
  margin-top: var(--fluid-space-lg);
  text-align: center;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.mastery-explanation p {
  font-size: var(--fluid-text-base);
  color: var(--color-text-muted);
  line-height: 1.5;
  margin: 0;
}

/* Ensure minimum readable sizes on very small screens */
@media (max-width: 320px) {
  .ring-percentage {
    font-size: max(calc(var(--ring-size, 180px) * 0.12), 1.1rem); /* Updated minimum */
  }
  
  .ring-label {
    font-size: max(calc(var(--ring-size, 180px) * 0.075), 0.7rem); /* Updated minimum */
  }
}

/* Heat Map - Fully Responsive Grid Layout */
.stat-card--wide {
  width: 100%;
  container-type: inline-size;
  overflow: visible; /* Allow natural grid overflow */
}

.heat-map {
  display: grid;
  gap: var(--fluid-space-lg);
  width: 100%;
  /* Remove padding to respect parent stat-card padding */
}

.heat-map-section {
  display: grid;
  gap: var(--fluid-space-md);
  width: 100%;
}

.heat-map-label {
  font-size: var(--fluid-text-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  text-align: left;
  margin-bottom: var(--fluid-space-sm);
  grid-column: 1 / -1;
}

.heat-map-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr); /* Always 5 equal columns for 5 categories */
  gap: var(--gap-dynamic);
  width: 100%;
  justify-items: stretch;
  align-items: stretch;
}

/* Responsive gap adjustments only */
@container (min-width: 30rem) {
  .heat-map-row {
    gap: calc(var(--gap-dynamic) * 1.2);
  }
}

@container (min-width: 50rem) {
  .heat-map-row {
    gap: calc(var(--gap-dynamic) * 1.4);
  }
  
  .heat-map {
    gap: var(--fluid-space-xl);
  }
}

@container (min-width: 70rem) {
  .heat-map-row {
    gap: calc(var(--gap-dynamic) * 1.6);
  }
}

.heat-map-cell {
  position: relative;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  opacity: 0;
  animation: fadeInScale 0.6s ease-out forwards;
  width: 100%;
  aspect-ratio: calc(1 / var(--cell-height-ratio)); /* Flip to portrait orientation */
  min-height: var(--touch-target-min);
  min-width: var(--cell-size-min);
  overflow: hidden;
}

.heat-map-cell:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-lg);
}

@media (hover: none) {
  .heat-map-cell:hover {
    transform: none;
  }
  
  .heat-map-cell:active {
    transform: scale(0.95);
  }
}

.heat-map-cell-content {
  text-align: center;
  color: var(--color-charcoal);
  text-shadow: 0 1px 2px rgba(255, 255, 255, 0.3);
  padding: var(--fluid-space-xs);
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.heat-map-cell-value {
  font-size: var(--fluid-text-sm);
  font-weight: var(--font-weight-bold);
  font-family: 'SF Mono', Menlo, Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
  line-height: 1;
}

.heat-map-cell-label {
  font-size: var(--fluid-text-xs);
  opacity: 0.9;
  margin-top: var(--fluid-space-xs);
  line-height: 1.1;
  text-align: center;
  word-break: break-word;
  overflow-wrap: break-word;
}

.heat-map-legend {
  display: flex;
  flex-direction: column;
  gap: var(--fluid-space-sm);
  margin-top: var(--space-4);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-surface);
}

@media (min-width: 500px) {
  .heat-map-legend {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.heat-map-legend-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.heat-map-legend-gradient {
  width: 60px;
  height: 12px;
  background: linear-gradient(to right, 
    hsl(120, 50%, 75%) 0%, 
    hsl(60, 62%, 67%) 50%, 
    hsl(0, 75%, 55%) 100%);
  border-radius: var(--radius-sm);
}

.heat-map-insight {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  font-style: italic;
}

/* Leaderboard - Clean Professional Style */
.leaderboard {
  font-family: 'SF Mono', Menlo, Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
  background: var(--color-white);
  border: 1px solid rgba(30, 58, 95, 0.12);
  border-radius: var(--radius-lg);
  overflow: hidden;
  color: var(--color-text);
  width: 100%;
  box-shadow: var(--shadow-md);
}

.leaderboard-header {
  display: grid;
  grid-template-columns: 
    minmax(2.5rem, auto) 
    minmax(5rem, 1fr) 
    minmax(3.125rem, auto)
    minmax(3.125rem, auto)
    minmax(3.125rem, auto);
  gap: var(--fluid-space-sm);
  background: var(--color-surface);
  padding: var(--mobile-padding) var(--fluid-space-md);
  border-bottom: 2px solid var(--color-secondary);
  font-size: var(--fluid-text-xs);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.03125rem;
  color: var(--color-primary);
  align-items: center;
}

.leaderboard-header .leaderboard-col:nth-child(1) {
  justify-self: start;
}

.leaderboard-header .leaderboard-col:nth-child(2) {
  justify-self: start;
  text-align: left;
}

.leaderboard-header .leaderboard-col:nth-child(3) {
  justify-self: end;
  text-align: right;
}

.leaderboard-header .leaderboard-col:nth-child(4) {
  justify-self: end;
  text-align: right;
}

.leaderboard-header .leaderboard-col:nth-child(5) {
  justify-self: end;
  text-align: right;
}

/* Hide columns on small screens */
@media (max-width: 37.4rem) {
  .leaderboard-header .leaderboard-col:nth-child(4),
  .leaderboard-header .leaderboard-col:nth-child(5),
  .leaderboard-percentile,
  .leaderboard-change {
    display: none;
  }
  
  .leaderboard-header,
  .leaderboard-row {
    grid-template-columns: 
      minmax(2.5rem, auto) 
      minmax(5rem, 1fr) 
      minmax(3.125rem, auto);
  }
}

@media (min-width: 37.5rem) and (max-width: 49.9rem) {
  .leaderboard-header .leaderboard-col:nth-child(5),
  .leaderboard-change {
    display: none;
  }
  
  .leaderboard-header,
  .leaderboard-row {
    grid-template-columns: 
      minmax(3.125rem, auto) 
      minmax(7.5rem, 1fr) 
      minmax(4.375rem, auto) 
      minmax(3.125rem, auto);
  }
}

.leaderboard-body {
  /* Remove max-height and scrolling to show all users */
  overflow: visible;
}

.leaderboard-row {
  display: grid;
  grid-template-columns: 
    minmax(2.5rem, auto) 
    minmax(5rem, 1fr) 
    minmax(3.125rem, auto)
    minmax(3.125rem, auto)
    minmax(3.125rem, auto);
  gap: var(--fluid-space-sm);
  padding: var(--mobile-padding) var(--fluid-space-md);
  border-bottom: 1px solid rgba(30, 58, 95, 0.08);
  font-size: var(--fluid-text-sm);
  transition: all var(--transition-base);
  opacity: 0;
  transform: translateX(-1.25rem);
  animation: slideInFromLeft 0.6s ease-out forwards;
  align-items: center;
  min-height: var(--touch-target-min);
}

.leaderboard-col {
  display: flex;
  align-items: center;
}

.leaderboard-rank {
  justify-self: start;
}

.leaderboard-name {
  justify-self: start;
  font-weight: var(--font-weight-medium);
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 100%;
}

.leaderboard-score {
  justify-self: end;
  font-weight: var(--font-weight-bold);
  color: #00b894;
}

.leaderboard-percentile {
  justify-self: end;
  color: var(--color-text-muted);
}

.leaderboard-change {
  justify-self: end;
}


.leaderboard-row:hover {
  background: rgba(30, 58, 95, 0.03);
  transform: translateX(0);
}

.leaderboard-row--current {
  background: linear-gradient(90deg, rgba(212, 165, 116, 0.12), rgba(212, 165, 116, 0.06));
  border-left: 3px solid var(--color-secondary);
  font-weight: var(--font-weight-medium);
}

.leaderboard-row--current .leaderboard-name {
  font-weight: var(--font-weight-bold);
}

.rank-badge {
  background: var(--color-surface);
  color: var(--color-text);
  border-radius: var(--radius-sm);
  padding: 0.125rem 0.375rem;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  border: 1px solid rgba(30, 58, 95, 0.1);
}

.rank-badge--top {
  color: var(--color-white);
  border: none;
}

.rank-badge--gold {
  background: linear-gradient(135deg, #ffd700, #ffb300);
  box-shadow: 0 2px 4px rgba(255, 215, 0, 0.3);
}

.rank-badge--silver {
  background: linear-gradient(135deg, #c0c0c0, #a8a8a8);
  box-shadow: 0 2px 4px rgba(192, 192, 192, 0.3);
}

.rank-badge--bronze {
  background: linear-gradient(135deg, #cd7f32, #b8661f);
  box-shadow: 0 2px 4px rgba(205, 127, 50, 0.3);
}

.leaderboard-name {
  font-weight: var(--font-weight-medium);
}

.change-indicator {
  font-weight: var(--font-weight-bold);
  padding: 0.125rem 0.25rem;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
}

.change-up {
  color: var(--color-success);
  background: rgba(0, 184, 148, 0.1);
}

.change-down {
  color: var(--color-error);
  background: rgba(225, 112, 85, 0.1);
}

.change-neutral {
  color: var(--color-text-muted);
  background: rgba(99, 110, 114, 0.1);
}

.leaderboard-footer {
  background: var(--color-surface);
  padding: var(--mobile-padding) var(--fluid-space-md);
  border-top: 1px solid rgba(30, 58, 95, 0.1);
}

.leaderboard-meta {
  font-size: var(--fluid-text-xs);
  color: var(--color-text-muted);
  text-align: center;
  line-height: 1.4;
}

/* Animations */
@keyframes drawLine {
  from {
    stroke-dasharray: var(--path-length, 1000);
    stroke-dashoffset: var(--path-length, 1000);
  }
  to {
    stroke-dasharray: var(--path-length, 1000);
    stroke-dashoffset: 0;
  }
}

@keyframes fillRing {
  from {
    stroke-dashoffset: 251.2; /* 2 * PI * 40 */
  }
}

@keyframes bounceIn {
  0% {
    transform: scale(0.3);
    opacity: 0;
  }
  50% {
    transform: scale(1.05);
  }
  70% {
    transform: scale(0.9);
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

@keyframes countdownPulse {
  0% {
    filter: drop-shadow(0 0 0 transparent);
  }
  50% {
    filter: drop-shadow(0 0 8px rgba(212, 165, 116, 0.4));
  }
  100% {
    filter: drop-shadow(0 0 0 transparent);
  }
}

@keyframes separatorBlink {
  0%, 50% {
    opacity: 1;
  }
  75% {
    opacity: 0.3;
  }
  100% {
    opacity: 1;
  }
}

@keyframes glowPulse {
  0%, 100% {
    transform: scale(1);
    filter: drop-shadow(0 0 8px rgba(0, 184, 148, 0.3));
  }
  50% {
    transform: scale(1.1);
    filter: drop-shadow(0 0 20px rgba(0, 184, 148, 0.6));
  }
}

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slideInFromLeft {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Animation state classes for smoother transitions */
.score-point.animate {
  opacity: 1;
  transform: scale(1);
}

.percentile-marker.animate {
  opacity: 1;
  transform: scale(1);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.percentile-marker--pulse {
  animation: percentilePulse 3s ease-in-out infinite;
  transform-origin: center;
}

.percentile-marker--continuous-pulse {
  animation: subtlePulse 4s ease-in-out infinite;
  transform-origin: center;
}

.score-line.animate {
  animation: drawLine 2.5s ease-out forwards;
}

.bell-curve.animate {
  animation: drawBellCurve 2s ease-out 0.5s forwards;
}

@keyframes drawBellCurve {
  from {
    stroke-dasharray: var(--path-length, 1000);
    stroke-dashoffset: var(--path-length, 1000);
  }
  to {
    stroke-dasharray: var(--path-length, 1000);
    stroke-dashoffset: 0;
  }
}

@keyframes percentilePulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.3);
    opacity: 0.7;
  }
}

@keyframes subtlePulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.08);
    opacity: 0.92;
  }
}

/* Responsive text sizing for heat map cells using CSS variables */
@container (max-width: 25rem) {
  .heat-map-cell-value {
    font-size: var(--fluid-text-xs);
  }
  
  .heat-map-cell-label {
    font-size: calc(var(--fluid-text-xs) * 0.85);
  }
}



/* Additional overflow protection for all components */
.stat-card {
  overflow: hidden;
  min-width: 0; /* Allows flex items to shrink */
}

.chart-container {
  overflow: hidden;
  position: relative;
}

.chart-container svg {
  max-width: 100%;
  height: auto;
}

/* Ensure text never breaks container bounds */
.stat-card h3,
.chart-legend,
.ring-label,
.heat-map-cell-content,
.leaderboard-col {
  overflow-wrap: break-word;
  word-break: break-word;
  hyphens: auto;
}

/* Mastery rings container overflow protection */
.mastery-container {
  overflow: visible;
  min-height: var(--chart-height-sm);
}

/* Remove horizontal scroll indicators since we now use proper wrapping */
/* Testimonials Component */

.testimonials {
  background: var(--color-light-gray);
}

.testimonial-carousel {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  overflow: hidden;
  border-radius: var(--radius-xl);
  background: var(--color-white);
  box-shadow: var(--shadow-lg);
}

.testimonials-track {
  display: flex;
  transition: transform var(--transition-base);
}

.testimonial-slide {
  min-width: 100%;
  padding: var(--space-8);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.testimonial-slide--active {
  opacity: 1;
}

.testimonial-content {
  text-align: center;
}

.testimonial-text {
  font-size: var(--font-size-lg);
  line-height: var(--line-height-relaxed);
  color: var(--color-text);
  margin-bottom: var(--space-6);
  font-style: italic;
}

.testimonial-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--color-light-gray);
  padding-top: var(--space-4);
}

.testimonial-author {
  text-align: left;
}

.testimonial-name {
  display: block;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  margin-bottom: var(--space-1);
}

.testimonial-school {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.testimonial-score {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-secondary);
  padding: var(--space-2) var(--space-3);
  background: rgba(212, 165, 116, 0.1);
  border-radius: var(--radius-lg);
}


/* Indicators */
.testimonials-indicators {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4);
  background: var(--color-white);
}

.testimonial-indicator {
  width: 12px;
  height: 12px;
  border-radius: var(--radius-full);
  background: rgba(30, 58, 95, 0.3);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.testimonial-indicator--active {
  background: var(--color-primary);
  transform: scale(1.2);
}

.testimonial-indicator:hover {
  background: var(--color-secondary);
}

/* Responsive testimonials */
@media (max-width: 768px) {
  .testimonial-slide {
    padding: var(--space-6);
  }
  
  .testimonial-text {
    font-size: var(--font-size-base);
  }
  
  .testimonial-footer {
    flex-direction: column;
    gap: var(--space-3);
    text-align: center;
  }
  
  .testimonial-author {
    text-align: center;
  }
}
/* Email Signup Component */

.email-signup {
  background: var(--gradient-primary);
  color: var(--color-white);
  padding-bottom: clamp(var(--space-1), 1vw, var(--space-2));
}

.email-signup__content {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.email-signup .section__title {
  color: var(--color-white);
}

.email-signup .section__subtitle {
  color: rgba(255, 255, 255, 0.9);
}

/* Email Preview Section */
.email-preview {
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin: var(--space-6) 0;
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
}

.email-preview__title {
  font-size: var(--fluid-text-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-white);
  margin-bottom: var(--space-3);
}

.email-preview__description {
  font-size: var(--fluid-text-base);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-4);
  line-height: 1.6;
}

.email-preview__features {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: flex-start;
}

.preview-feature {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--fluid-text-sm);
}

.preview-feature svg {
  color: var(--color-secondary);
  flex-shrink: 0;
}

@media (min-width: 640px) {
  .email-preview__features {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
  
  .preview-feature {
    flex: 1;
    justify-content: center;
  }
}

.email-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.form-group {
  position: relative;
  z-index: 1;
}

.form-group:has(.custom-calendar) {
  z-index: 1002;
}

/* Fallback for browsers that don't support :has() */
.form-group.calendar-form-group {
  z-index: 1002;
}

.form-group--optional {
  opacity: 0.8;
}

/* Optional Fields Section */
.optional-fields {
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.optional-fields__label {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-4);
  text-align: center;
}

.form-label {
  display: block;
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--font-size-xs);
  margin-top: var(--space-1);
  margin-left: var(--space-2);
  font-weight: var(--font-weight-medium);
}

.score-label-title {
  margin-left: 0 !important;
  position: relative;
  text-align: center;
  width: 100%;
  color: rgba(255, 255, 255, 0.8);
  font-weight: var(--font-weight-medium);
}

.form-input {
  width: 100%;
  padding: var(--space-4);
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  background: var(--color-white);
  color: var(--color-text);
  transition: all var(--transition-fast);
}

.form-input:focus {
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(212, 165, 116, 0.2);
  outline: none;
}

.form-input--error {
  border-color: var(--color-error);
}

.form-input--error:focus {
  box-shadow: 0 0 0 3px rgba(225, 112, 85, 0.2);
}

/* Custom Calendar Styles */
.custom-calendar {
  position: relative;
  z-index: 1000;
}

.calendar-trigger {
  width: 100%;
  padding: var(--space-4);
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  background: var(--color-white);
  color: var(--color-text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: var(--font-size-base);
}

.calendar-trigger:hover {
  border-color: var(--color-secondary);
}

.calendar-trigger:focus {
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(212, 165, 116, 0.2);
  outline: none;
}

.calendar-trigger__text {
  color: var(--color-text-muted);
}

.calendar-trigger__text--selected {
  color: var(--color-text);
  font-weight: 500;
}

.calendar-trigger__icon {
  opacity: 0.6;
  transition: transform var(--transition-fast);
}

.calendar-trigger[aria-expanded="true"] .calendar-trigger__icon {
  transform: rotate(180deg);
}

.calendar-dropdown {
  position: fixed;
  background: #ffffff;
  border: 1px solid var(--color-light-gray);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25), 0 8px 25px rgba(0, 0, 0, 0.15);
  z-index: var(--z-tooltip);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition-fast);
  width: 300px;
  min-height: 280px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  /* Ensure content isolation */
  isolation: isolate;
}

.calendar-dropdown--visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.calendar-dropdown--above {
  transform: translateY(8px);
}

.calendar-dropdown--above.calendar-dropdown--visible {
  transform: translateY(0);
}

/* Remove constrained styles as we're not scrolling anymore */

.calendar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-light-gray);
}

.calendar-title {
  font-weight: 600;
  color: var(--color-text);
  font-size: var(--font-size-base);
}

.calendar-nav {
  width: 32px;
  height: 32px;
  border: none;
  background: none;
  color: var(--color-text-muted);
  cursor: pointer;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
  transition: all var(--transition-fast);
}

.calendar-nav:hover {
  background: var(--color-light-gray);
  color: var(--color-text);
}

.calendar-nav:disabled {
  cursor: not-allowed;
  opacity: 0.3;
}

.calendar-nav:disabled:hover {
  background: none;
  color: var(--color-text-muted);
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-1);
  padding: var(--space-3);
}

.calendar-month {
  padding: var(--space-3) var(--space-2);
  border: none;
  background: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: var(--font-size-sm);
  color: var(--color-text);
  transition: all var(--transition-fast);
  text-align: center;
}

.calendar-month:hover {
  background: var(--color-light-gray);
}

.calendar-month--selected {
  background: var(--color-secondary);
  color: var(--color-white);
}

.calendar-month--disabled {
  color: var(--color-text-muted);
  cursor: not-allowed;
  opacity: 0.5;
}

/* Score Input Styles */
.score-input-group {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-2);
  --slider-offset: calc(5rem + var(--space-4));
}

.score-number-input {
  width: 5rem;
  padding: var(--space-3);
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
  text-align: center;
  font-size: var(--font-size-base);
  font-weight: 500;
  outline: none;
  transition: all var(--transition-fast);
}

.score-number-input:focus {
  border-color: var(--color-secondary);
  background: rgba(255, 255, 255, 0.15);
}

.score-number-input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.score-slider-container {
  flex: 1;
  position: relative;
}

.score-slider-wrapper {
  position: relative;
}

.score-slider-track {
  height: 1.5rem;
  background: linear-gradient(90deg, 
    #e74c3c 0%,     /* Red at 120 */
    #f39c12 50%,    /* Yellow/Orange at 150 */
    #27ae60 100%    /* Green at 180 */
  );
  border-radius: 0.75rem;
  position: relative;
  overflow: hidden;
}

.score-slider-fill {
  position: absolute;
  right: 0;
  top: 0;
  height: 100%;
  width: 50%; /* Will be updated by JavaScript - represents unfilled portion */
  background: var(--color-primary);
  border-radius: 0 0.75rem 0.75rem 0;
}

.score-range-input {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1.5rem;
  background: transparent;
  border-radius: 0.75rem;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
  z-index: 2;
}

.score-range-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 0.625rem;
  height: 1.8rem;
  border-radius: 0.25rem;
  background: var(--color-white);
  border: none;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3), inset 0 0 0 1px var(--color-text);
  transition: all var(--transition-fast);
  position: relative;
  z-index: 2;
  margin-top: -0.15rem;
}

.score-range-input::-webkit-slider-thumb:hover {
  transform: scaleX(1.2);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.score-range-input::-webkit-slider-runnable-track {
  -webkit-appearance: none;
  appearance: none;
  height: 1.5rem;
  background: transparent;
  border-radius: 0.75rem;
  border: none;
}

.score-range-input::-moz-range-thumb {
  width: 0.625rem;
  height: 1.8rem;
  border-radius: 0.25rem;
  background: var(--color-white);
  border: none;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3), inset 0 0 0 1px var(--color-text);
  transition: all var(--transition-fast);
  box-sizing: border-box;
  margin-top: -0.15rem;
}

.score-range-input::-moz-range-thumb:hover {
  transform: scaleX(1.2);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.score-range-input::-moz-range-track {
  height: 1.5rem;
  background: linear-gradient(90deg, 
    #e74c3c 0%,     /* Red at 120 */
    #f39c12 50%,    /* Yellow/Orange at 150 */
    #27ae60 100%    /* Green at 180 */
  );
  border-radius: 0.75rem;
  border: none;
}

.score-range-labels {
  position: relative;
  margin-top: 2px;
  height: var(--font-size-xs);
  display: flex;
  justify-content: space-between;
}

.score-label {
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.8);
  font-weight: var(--font-weight-medium);
}

.field-error {
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: var(--space-1);
  font-size: var(--font-size-sm);
  color: var(--color-error);
  background: var(--color-white);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

.form-error {
  background: rgba(225, 112, 85, 0.1);
  border: 1px solid var(--color-error);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  margin-top: var(--space-4);
  font-size: var(--font-size-sm);
  text-align: center;
  animation: slideIn 0.3s ease-out;
}

/* Success State */
.form-success {
  text-align: center;
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  margin-top: var(--space-8);
  color: var(--color-text);
  transform: translateY(20px);
  opacity: 0;
  transition: all var(--transition-base);
}

.form-success--visible {
  transform: translateY(0);
  opacity: 1;
}

.success-icon {
  width: 64px;
  height: 64px;
  background: var(--color-success);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
  font-size: var(--font-size-2xl);
  color: var(--color-white);
  animation: bounceIn 0.8s ease-out 0.2s both;
}

.form-success p {
  font-size: var(--font-size-lg);
  color: var(--color-text);
  margin-bottom: var(--space-6);
}

/* Social Share */
.social-share {
  border-top: 1px solid var(--color-light-gray);
  padding-top: var(--space-4);
  margin-top: var(--space-6);
}

.social-share p {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.share-buttons {
  display: flex;
  gap: var(--space-2);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-3);
}

.share-btn {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--font-size-xs);
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-light-gray);
  background: var(--color-white);
  color: var(--color-text);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.share-btn:hover {
  background: var(--color-surface);
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-1px);
}

.share-btn svg {
  flex-shrink: 0;
}

.share-copy {
  display: flex;
  justify-content: center;
}

.copy-link-btn {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--font-size-xs);
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-secondary);
  background: var(--color-white);
  color: var(--color-secondary);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.copy-link-btn:hover {
  background: var(--color-secondary);
  color: var(--color-white);
  transform: translateY(-1px);
}

.copy-link-btn.success {
  background: var(--color-success);
  border-color: var(--color-success);
  color: var(--color-white);
}

.copy-link-btn svg {
  flex-shrink: 0;
}

/* Confetti */
.confetti-container {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  font-size: var(--font-size-2xl);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: confetti 3s ease-out;
}

@keyframes confetti {
  0% {
    transform: scale(0) rotate(0deg);
    opacity: 0;
  }
  50% {
    transform: scale(1.2) rotate(180deg);
    opacity: 1;
  }
  100% {
    transform: scale(1) rotate(360deg);
    opacity: 0;
  }
}

@keyframes slideIn {
  from {
    transform: translateY(-10px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes bounceIn {
  0% {
    transform: scale(0.3);
    opacity: 0;
  }
  50% {
    transform: scale(1.05);
  }
  70% {
    transform: scale(0.9);
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

/* Responsive email form */
@media (max-width: 768px) {
  .email-form {
    gap: var(--space-3);
  }
  
  .form-input {
    padding: var(--space-4);
    font-size: var(--font-size-base);
    min-height: 44px;
  }
  
  .form-success {
    padding: var(--space-6);
    margin-left: 0;
    margin-right: 0;
  }
  
  .share-buttons {
    flex-direction: column;
  }
  
  /* Bottom sheet style for mobile */
  .email-signup {
    position: relative;
    padding: var(--space-8) 0;
    border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
    margin-top: var(--space-8);
  }
  
  .email-signup__content {
    max-width: 100%;
    padding: 0 var(--space-6);
    position: relative;
  }
  
  /* Add subtle handle indicator for mobile */
  .email-signup::before {
    content: '';
    position: absolute;
    top: var(--space-4);
    left: 50%;
    transform: translateX(-50%);
    width: 36px;
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-full);
  }
  
  .email-form {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
  }
  
  .optional-fields {
    margin-top: var(--space-4);
    padding-top: var(--space-4);
  }
  
  .optional-fields__label {
    font-size: var(--font-size-xs);
  }
  
  .calendar-dropdown {
    left: var(--space-2);
    right: var(--space-2);
  }
  
  .calendar-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .score-input-group {
    gap: var(--space-3);
    --slider-offset: calc(5rem + var(--space-3));
  }
  
  .score-slider-container {
    padding: var(--space-3) 0;
  }
  
  .score-value {
    top: -32px;
    font-size: 10px;
  }
}

@media (max-width: 480px) {
  .email-signup {
    padding-bottom: var(--space-4);
  }
  
  .email-signup__content {
    padding: 0 var(--space-4);
  }
}
/* FAQ Component */

.faq {
  background: var(--color-white);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-light-gray);
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-question {
  width: 100%;
  padding: var(--space-5) 0;
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: color var(--transition-fast);
}

.faq-question:hover {
  color: var(--color-primary);
}

.faq-question-text {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  color: inherit;
  line-height: var(--line-height-snug);
}

.faq-icon {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-secondary);
  transition: transform var(--transition-fast);
  margin-left: var(--space-4);
  min-width: 2.5em;
  width: 2.5em;
  height: 2.5em;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: visible;
}

.faq-item--open .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base);
}

.faq-answer-content {
  padding-bottom: var(--space-5);
  padding-right: var(--space-8);
}

.faq-answer-content p {
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
  line-height: var(--line-height-relaxed);
  margin: 0;
}

/* Responsive FAQ */
@media (max-width: 768px) {
  .faq-question {
    padding: var(--space-4) 0;
  }
  
  .faq-question-text {
    font-size: var(--font-size-base);
  }
  
  .faq-icon {
    font-size: var(--font-size-lg);
    margin-left: var(--space-3);
    min-width: 2.2em;
    width: 2.2em;
    height: 2.2em;
  }
  
  .faq-answer-content {
    padding-bottom: var(--space-4);
    padding-right: var(--space-6);
  }
  
  .faq-answer-content p {
    font-size: var(--font-size-sm);
  }
}
/* Footer Component */

.footer {
  background: var(--color-charcoal);
  color: var(--color-white);
  padding: var(--space-8) 0 var(--space-6) 0;
}

.footer__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.footer__main {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: var(--space-6);
}

.footer__brand {
  flex: 1;
  min-width: 250px;
}

.footer__logo {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  margin: 0 0 var(--space-2) 0;
}

.footer__tagline {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.7);
  margin: 0;
  line-height: 1.5;
}

.footer__social {
  text-align: center;
}

.footer__social-title {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.8);
  margin: 0 0 var(--space-3) 0;
  font-weight: var(--font-weight-medium);
}

.footer__social-links {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
}

.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: all var(--transition-fast);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__social-link:hover {
  background: var(--color-secondary);
  color: var(--color-white);
  border-color: var(--color-secondary);
  transform: translateY(-2px);
}

.footer__social-link svg {
  width: 20px;
  height: 20px;
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__copyright {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.6);
  margin: 0;
}

.footer__links {
  display: flex;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.footer__link {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color var(--transition-fast);
  position: relative;
}

.footer__link:hover {
  color: var(--color-secondary);
}

.footer__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-secondary);
  transition: width var(--transition-fast);
}

.footer__link:hover::after {
  width: 100%;
}

/* Responsive footer */
@media (max-width: 768px) {
  .footer__main {
    flex-direction: column;
    text-align: center;
    gap: var(--space-4);
  }

  .footer__brand {
    min-width: auto;
  }

  .footer__bottom {
    flex-direction: column;
    text-align: center;
    gap: var(--space-3);
  }
  
  .footer__links {
    gap: var(--space-4);
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .footer__social-links {
    gap: var(--space-2);
  }

  .footer__social-link {
    width: 36px;
    height: 36px;
  }

  .footer__social-link svg {
    width: 18px;
    height: 18px;
  }

  .footer__links {
    flex-direction: column;
    gap: var(--space-2);
  }
}
/* Button Components */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: clamp(0.25rem, 1vw, 0.5rem);
  padding: clamp(0.5rem, 2vw, 0.75rem) clamp(0.75rem, 4vw, 1.5rem);
  border-radius: var(--radius-lg);
  font-size: clamp(0.875rem, 2.5vw, 1rem);
  min-height: 44px;
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
  white-space: nowrap; /* Prevent text wrapping */
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

/* Button variants */
.btn--primary {
  background: var(--gradient-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.btn--primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  filter: brightness(1.1);
}

.btn--secondary {
  background: var(--gradient-secondary);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.btn--secondary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  filter: brightness(1.1);
}

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn--outline:hover:not(:disabled) {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  color: var(--color-primary);
}

.btn--ghost:hover:not(:disabled) {
  background: var(--color-surface);
  transform: translateY(-1px);
}

/* Button sizes */
.btn--small {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
}

.btn--large {
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-size-lg);
  border-radius: var(--radius-xl);
}

/* Button states */
.btn--loading {
  color: transparent;
}

.btn--loading .btn__spinner {
  opacity: 1;
}

/* Button spinner */
.btn__spinner {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 20px;
  height: 20px;
  border: 2px solid transparent;
  border-top: 2px solid currentColor;
  border-radius: 50%;
  opacity: 0;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

/* Icon buttons */
.btn--icon {
  padding: var(--space-3);
  border-radius: var(--radius-full);
}

.btn--icon-small {
  padding: var(--space-2);
}

.btn--icon-large {
  padding: var(--space-4);
}

/* Button groups */
.btn-group {
  display: inline-flex;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.btn-group .btn {
  border-radius: 0;
  border-right: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-group .btn:first-child {
  border-top-left-radius: var(--radius-lg);
  border-bottom-left-radius: var(--radius-lg);
}

.btn-group .btn:last-child {
  border-top-right-radius: var(--radius-lg);
  border-bottom-right-radius: var(--radius-lg);
  border-right: none;
}

/* Responsive button styles */
@media (max-width: 640px) {
  .btn--large {
    padding: clamp(0.5rem, 1.5vw, 1rem) clamp(0.75rem, 3vw, 1.5rem);
    font-size: clamp(0.875rem, 2.5vw, 1rem);
    min-height: 48px;
  }
  
  .btn {
    padding: clamp(0.5rem, 1.5vw, 0.75rem) clamp(0.75rem, 3vw, 1.25rem);
    min-height: 44px;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  
  /* Navigation CTA specific overrides for mobile */
  .nav__cta.btn {
    width: fit-content;
    max-width: min(50vw, 200px);
    padding: clamp(0.25rem, 1vw, 0.5rem) clamp(0.5rem, 2.5vw, 1rem);
  }
  
  /* Ensure testimonial navigation buttons are touch-friendly */
  .testimonials-nav__prev,
  .testimonials-nav__next {
    min-width: 44px;
    min-height: 44px;
    padding: var(--space-3);
  }
  
  /* FAQ toggle buttons */
  .faq-question-toggle {
    min-width: 44px;
    min-height: 44px;
  }
}

@media (max-width: 480px) {
  .nav__cta.btn {
    max-width: min(45vw, 140px);
    padding: clamp(0.25rem, 0.8vw, 0.4rem) clamp(0.4rem, 2vw, 0.8rem);
  }
}

@media (max-width: 320px) {
  .nav__cta.btn {
    max-width: min(40vw, 120px);
    padding: clamp(0.2rem, 0.6vw, 0.35rem) clamp(0.3rem, 1.5vw, 0.6rem);
    font-size: clamp(0.65rem, 1.5vw, 0.75rem);
  }
}
/* General Form Components */

/* Question Component */
.question {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}

.question__header {
  margin-bottom: var(--space-6);
}

.question__text {
  font-size: var(--font-size-lg);
  color: var(--color-text);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-4);
}

.question__choices {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.question__choice {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  padding: clamp(0.25rem, 0.6vh, 0.4rem);
  background: var(--color-light-gray);
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: left;
  min-height: clamp(1.6rem, 3vh, 2rem);
  flex-shrink: 0;
}

.question__choice:hover {
  background: rgba(30, 58, 95, 0.05);
  border-color: rgba(30, 58, 95, 0.2);
}

.question__choice--selected {
  background: rgba(30, 58, 95, 0.1);
  border-color: var(--color-primary);
}

.question__choice--correct {
  background: rgba(0, 184, 148, 0.1);
  border-color: var(--color-success);
}

.question__choice--incorrect {
  background: rgba(225, 112, 85, 0.1);
  border-color: var(--color-error);
}

.question__choice:disabled {
  cursor: default;
}

.question__choice-letter {
  display: flex;
  align-items: center;
  justify-content: center;
  width: clamp(24px, 5vw, 28px);
  height: clamp(24px, 5vw, 28px);
  background: var(--color-white);
  border: 2px solid var(--color-text-muted);
  border-radius: var(--radius-full);
  font-weight: var(--font-weight-bold);
  font-size: clamp(0.7rem, 1.8vh, 0.85rem);
  color: var(--color-text);
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.question__choice--selected .question__choice-letter {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

.question__choice--correct .question__choice-letter {
  background: var(--color-success);
  border-color: var(--color-success);
  color: var(--color-white);
}

.question__choice--incorrect .question__choice-letter {
  background: var(--color-error);
  border-color: var(--color-error);
  color: var(--color-white);
}

.question__choice-text {
  flex: 1;
  font-size: clamp(0.8rem, 2.2vh, 1rem);
  line-height: 1.3;
  color: var(--color-text);
  padding-top: clamp(0.1rem, 0.3vh, 0.2rem);
}

.question__result {
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-light-gray);
}

.question__feedback {
  margin-bottom: var(--space-4);
}

.question__feedback-text {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  display: inline-block;
}

.question__feedback--correct {
  background: rgba(0, 184, 148, 0.1);
  color: var(--color-success);
}

.question__feedback--incorrect {
  background: rgba(225, 112, 85, 0.1);
  color: var(--color-error);
}

.question__explanation {
  background: var(--color-light-gray);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  margin-top: var(--space-4);
}

.question__explanation h4 {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.question__explanation p {
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
  line-height: var(--line-height-relaxed);
  margin: 0;
}

.question__stats {
  margin-top: var(--space-4);
  padding: var(--space-4);
  background: rgba(30, 58, 95, 0.05);
  border-radius: var(--radius-lg);
}

.question__stats-content {
  display: flex;
  justify-content: center;
  gap: var(--space-8);
}

.question__stat {
  text-align: center;
}

.question__stat-value {
  display: block;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  line-height: 1;
}

.question__stat-label {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

/* Responsive questions */
@media (max-width: 768px) {
  .question {
    padding: var(--space-4);
  }
  
  .question__text {
    font-size: var(--font-size-base);
  }
  
  .question__choice {
    padding: var(--space-3);
  }
  
  .question__choice-letter {
    width: 28px;
    height: 28px;
    font-size: var(--font-size-xs);
  }
  
  .question__choice-text {
    font-size: var(--font-size-sm);
  }
  
  .question__stats-content {
    flex-direction: column;
    gap: var(--space-4);
  }
}
/* Loading Components */

.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.loading-overlay--visible {
  opacity: 1;
  visibility: visible;
}

.loading-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--color-light-gray);
  border-top: 4px solid var(--color-primary);
  border-radius: var(--radius-full);
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Notification Styles */

.error-notification,
.success-notification {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: var(--z-modal);
  min-width: 300px;
  max-width: 500px;
  opacity: 0;
  transform: translateX(100%);
  transition: all var(--transition-base);
}

.error-notification--visible,
.success-notification--visible {
  opacity: 1;
  transform: translateX(0);
}

.error-notification__content,
.success-notification__content {
  display: flex;
  align-items: center;
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.error-notification__content {
  background: var(--color-error);
  color: white;
}

.success-notification__content {
  background: var(--color-success);
  color: white;
}

.error-notification__icon,
.success-notification__icon {
  margin-right: var(--space-3);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
}

.error-notification__message,
.success-notification__message {
  flex: 1;
}

.error-notification__close,
.success-notification__close {
  background: none;
  border: none;
  color: white;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  cursor: pointer;
  margin-left: var(--space-3);
  padding: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  opacity: 0.8;
  transition: opacity var(--transition-fast);
}

.error-notification__close:hover,
.success-notification__close:hover {
  opacity: 1;
  background: rgba(255, 255, 255, 0.2);
}

/* Responsive adjustments */
@media (max-width: 640px) {
  .error-notification,
  .success-notification {
    top: 10px;
    right: 10px;
    left: 10px;
    min-width: unset;
  }
}
/* Transition Animations */

/* Base transition classes */
.transition-fast { transition: all var(--transition-fast); }
.transition-base { transition: all var(--transition-base); }
.transition-slow { transition: all var(--transition-slow); }

/* Transform transitions */
.transition-transform { transition: transform var(--transition-base); }
.transition-opacity { transition: opacity var(--transition-base); }
.transition-colors { transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast); }

/* Hover transforms */
.hover-lift:hover {
  transform: translateY(-2px);
}

.hover-scale:hover {
  transform: scale(1.02);
}

.hover-glow:hover {
  box-shadow: var(--shadow-xl);
}
/* Entrance Animations */

/* Fade animations */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Scale animations */
@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes scaleUp {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Chart and visualization specific animations */
@keyframes drawLine {
  from {
    stroke-dashoffset: 1000;
  }
  to {
    stroke-dashoffset: 0;
  }
}

@keyframes fillRing {
  from {
    stroke-dashoffset: 220; /* 2 * Math.PI * 35 */
  }
  to {
    stroke-dashoffset: var(--target-offset, 44);
  }
}

@keyframes bounceIn {
  0% {
    opacity: 0;
    transform: scale(0.3);
  }
  50% {
    opacity: 1;
    transform: scale(1.1);
  }
  70% {
    transform: scale(0.9);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.8;
    transform: scale(1.05);
  }
}

@keyframes glow {
  0%, 100% {
    filter: drop-shadow(0 0 8px rgba(30, 58, 95, 0.3));
  }
  50% {
    filter: drop-shadow(0 0 16px rgba(30, 58, 95, 0.6));
  }
}

@keyframes countUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Utility classes for entrance animations */
.animate-fade-in { animation: fadeIn 0.6s ease-out; }
.animate-fade-in-up { animation: fadeInUp 0.6s ease-out; }
.animate-fade-in-down { animation: fadeInDown 0.6s ease-out; }
.animate-fade-in-left { animation: fadeInLeft 0.6s ease-out; }
.animate-fade-in-right { animation: fadeInRight 0.6s ease-out; }
.animate-scale-in { animation: scaleIn 0.4s ease-out; }
.animate-scale-up { animation: scaleUp 0.6s ease-out; }

/* Staggered animations */
.animate-stagger-1 { animation-delay: 0.1s; }
.animate-stagger-2 { animation-delay: 0.2s; }
.animate-stagger-3 { animation-delay: 0.3s; }
.animate-stagger-4 { animation-delay: 0.4s; }
.animate-stagger-5 { animation-delay: 0.5s; }

/* Initial state for animations */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s ease-out;
}

.animate-on-scroll.animate-in {
  opacity: 1;
  transform: translateY(0);
}

/* Respect user preferences */
@media (prefers-reduced-motion: reduce) {
  .animate-fade-in,
  .animate-fade-in-up,
  .animate-fade-in-down,
  .animate-fade-in-left,
  .animate-fade-in-right,
  .animate-scale-in,
  .animate-scale-up,
  .animate-on-scroll {
    animation: none;
    transition: none;
    opacity: 1;
    transform: none;
  }
}
/* Interactive Animations */

/* Button interactions */
.btn {
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width 0.4s, height 0.4s;
}

.btn:active::before {
  width: 300px;
  height: 300px;
}

/* Card interactions */
.card-hover {
  transition: all var(--transition-base);
}

.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

/* Link interactions */
.link-underline {
  position: relative;
  text-decoration: none;
}

.link-underline::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-secondary);
  transition: width var(--transition-fast);
}

.link-underline:hover::after {
  width: 100%;
}

/* Progress animations */
@keyframes progress-fill {
  from { width: 0%; }
}

.progress-animate {
  animation: progress-fill 2s ease-out;
}

/* Pulse animation */
@keyframes pulse {
  0% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.05); opacity: 0.8; }
  100% { transform: scale(1); opacity: 1; }
}

.animate-pulse {
  animation: pulse 2s ease-in-out infinite;
}

/* Glow effect */
@keyframes glow {
  0% { box-shadow: 0 0 5px rgba(30, 58, 95, 0.2); }
  50% { box-shadow: 0 0 20px rgba(30, 58, 95, 0.4); }
  100% { box-shadow: 0 0 5px rgba(30, 58, 95, 0.2); }
}

.animate-glow {
  animation: glow 2s ease-in-out infinite;
}

/* Count up animation */
@keyframes count-up {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.animate-count-up {
  animation: count-up 0.8s ease-out;
}

/* Shake animation for errors */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

.animate-shake {
  animation: shake 0.5s ease-in-out;
}

/* Loading dots */
@keyframes loading-dots {
  0%, 20% { opacity: 0; }
  50% { opacity: 1; }
  100% { opacity: 0; }
}

.loading-dots span {
  animation: loading-dots 1.4s ease-in-out infinite;
}

.loading-dots span:nth-child(2) { animation-delay: 0.2s; }
.loading-dots span:nth-child(3) { animation-delay: 0.4s; }

/* Respect user preferences */
@media (prefers-reduced-motion: reduce) {
  .btn::before,
  .card-hover,
  .link-underline::after,
  .progress-animate,
  .animate-pulse,
  .animate-glow,
  .animate-count-up,
  .animate-shake,
  .loading-dots span {
    animation: none;
    transition: none;
  }
  
  .card-hover:hover,
  .btn:active::before {
    transform: none;
  }
}
/* Main CSS - Import all modules */

/*# sourceMappingURL=main.10f40cff9f029963711b.css.map*/