/* ===================================
   KAIROS NEXUS GLOBAL - DESIGN SYSTEM
   Premium FinTech Landing Page
   =================================== */

/* --- CSS Custom Properties --- */
:root {
  /* Brand Colors */
  --color-primary: #DE028E;
  --color-primary-rgb: 222, 2, 142;
  --color-secondary: #2C3177;
  --color-secondary-rgb: 44, 49, 119;
  --color-background: #0A0A0A;
  --color-surface: #111111;
  --color-surface-elevated: #1a1a1a;

  /* Text Colors */
  --color-text-primary: #FFFFFF;
  --color-text-secondary: rgba(255, 255, 255, 0.7);
  --color-text-muted: rgba(255, 255, 255, 0.5);

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, #8B0055 100%);
  --gradient-secondary: linear-gradient(135deg, var(--color-secondary) 0%, #1a1e4a 100%);
  --gradient-dark: linear-gradient(180deg, var(--color-background) 0%, #0d0d15 100%);
  --gradient-radial: radial-gradient(ellipse at 50% 0%, rgba(var(--color-primary-rgb), 0.15) 0%, transparent 70%);

  /* Glassmorphism */
  --glass-background: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-blur: blur(20px);

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Font Sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;
  --text-7xl: 4.5rem;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;
  --spacing-5xl: 8rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* 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);

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px rgba(var(--color-primary-rgb), 0.3);
}

/* --- Light Mode Theme --- */
[data-theme="light"] {
  --color-background: #FAFAFA;
  --color-surface: #FFFFFF;
  --color-surface-elevated: #F5F5F5;

  --color-text-primary: #1A1A1A;
  --color-text-secondary: rgba(26, 26, 26, 0.7);
  --color-text-muted: rgba(26, 26, 26, 0.5);

  --gradient-dark: linear-gradient(180deg, var(--color-background) 0%, #F0F0F5 100%);
  --gradient-radial: radial-gradient(ellipse at 50% 0%, rgba(var(--color-primary-rgb), 0.08) 0%, transparent 70%);

  --glass-background: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(0, 0, 0, 0.08);

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

/* --- Reset & Base Styles --- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  background: var(--color-background);
  color: var(--color-text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Background ambient glow */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 100vh;
  background: var(--gradient-radial);
  pointer-events: none;
  z-index: -1;
}

a {
  color: inherit;
  text-decoration: none;
}

ul,
ol {
  list-style: none;
}

img,
svg {
  max-width: 100%;
  height: auto;
  display: block;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* --- Typography Utilities --- */
.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-primary {
  color: var(--color-primary);
}

.text-secondary {
  color: var(--color-text-secondary);
}

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

/* --- Layout Utilities --- */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

@media (min-width: 768px) {
  .container {
    padding: 0 var(--spacing-2xl);
  }
}

.section {
  padding: var(--spacing-4xl) 0;
}

@media (min-width: 768px) {
  .section {
    padding: var(--spacing-5xl) 0;
  }
}

/* --- Glassmorphism Components --- */
.glass {
  background: var(--glass-background);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
}

.glass-card {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.02) 100%);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  transition: var(--transition-base);
}

.glass-card:hover {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.12) 0%, rgba(255, 255, 255, 0.04) 100%);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

/* --- Button Styles --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--text-base);
  font-weight: 600;
  letter-spacing: 0.025em;
  border-radius: var(--radius-lg);
  transition: var(--transition-base);
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-secondary);
  color: var(--color-text-primary);
  border: 1px solid transparent;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background: #3a4099;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(var(--color-secondary-rgb), 0.4);
}

.btn-outline {
  background: var(--glass-background);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  color: var(--color-text-primary);
  border: 1px solid var(--glass-border);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.btn-accent {
  background: var(--gradient-primary);
  color: var(--color-text-primary);
  border: none;
  box-shadow: var(--shadow-md), var(--shadow-glow);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), 0 0 50px rgba(var(--color-primary-rgb), 0.5);
}

.btn-lg {
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: var(--text-lg);
}

/* --- Navigation --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--spacing-md) 0;
  transition: var(--transition-base);
}

.navbar.scrolled {
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
}

[data-theme="light"] .navbar.scrolled {
  background: rgba(255, 255, 255, 0.85);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: var(--text-lg);
}

.logo-img {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  object-fit: contain;
}

.nav-links {
  display: none;
  align-items: center;
  gap: var(--spacing-xl);
}

@media (min-width: 1024px) {
  .nav-links {
    display: flex;
  }
}

.nav-links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: var(--transition-fast);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: var(--transition-fast);
}

.nav-links a:hover {
  color: var(--color-text-primary);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-cta {
  display: none;
}

@media (min-width: 1024px) {
  .nav-cta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
  }
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: var(--spacing-sm);
}

@media (min-width: 1024px) {
  .menu-toggle {
    display: none;
  }
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  transition: var(--transition-fast);
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  height: 100vh;
  background: rgba(10, 10, 10, 0.98);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xl);
  transition: var(--transition-base);
}

.mobile-menu.active {
  right: 0;
}

.mobile-menu a {
  font-size: var(--text-2xl);
  font-weight: 600;
}

.mobile-menu-close {
  position: absolute;
  top: var(--spacing-xl);
  right: var(--spacing-xl);
  font-size: var(--text-3xl);
  color: var(--color-text-secondary);
}

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(80px + var(--spacing-3xl)) 0 var(--spacing-3xl);
  position: relative;
  overflow: hidden;
}

.hero>.container {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
}

.hero::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 150%;
  height: 150%;
  background: radial-gradient(ellipse at center, rgba(var(--color-primary-rgb), 0.08) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
  width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--glass-background);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
  animation: fadeInUp 0.6s ease-out;
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

.hero h1 {
  font-size: var(--text-4xl);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: var(--spacing-lg);
  animation: fadeInUp 0.6s ease-out 0.1s backwards;
}

@media (min-width: 768px) {
  .hero h1 {
    font-size: var(--text-6xl);
  }
}

@media (min-width: 1024px) {
  .hero h1 {
    font-size: var(--text-7xl);
  }
}

/* Typewriter Animation */
.hero-heading {
  min-height: 2.4em;
}

.typewriter {
  display: inline;
}

.cursor {
  display: inline-block;
  color: var(--color-primary);
  font-weight: 400;
  animation: cursorBlink 1s steps(1) infinite;
  margin-left: 2px;
}

.cursor.hidden {
  opacity: 0;
}

@keyframes cursorBlink {

  0%,
  50% {
    opacity: 1;
  }

  51%,
  100% {
    opacity: 0;
  }
}

.hero-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto var(--spacing-2xl);
  animation: fadeInUp 0.6s ease-out 0.2s backwards;
}

@media (min-width: 768px) {
  .hero-subtitle {
    font-size: var(--text-xl);
  }
}

.hero-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-3xl);
  animation: fadeInUp 0.6s ease-out 0.3s backwards;
  justify-content: center;
}

@media (min-width: 480px) {
  .hero-buttons {
    flex-direction: row;
    justify-content: center;
  }
}

/* --- Waitlist Form --- */
.waitlist-form-wrapper {
  margin-bottom: var(--spacing-3xl);
  animation: fadeInUp 0.6s ease-out 0.3s backwards;
}

.waitlist-form .form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  max-width: 500px;
  margin: 0 auto;
}

@media (min-width: 480px) {
  .waitlist-form .form-group {
    flex-direction: row;
  }
}

.waitlist-form input[type="email"] {
  flex: 1;
  padding: var(--spacing-md) var(--spacing-lg);
  border: 2px solid rgba(var(--color-primary-rgb), 0.3);
  border-radius: var(--radius-lg);
  background: rgba(var(--color-bg-rgb), 0.8);
  color: var(--color-text);
  font-size: var(--text-base);
  transition: var(--transition-base);
}

.waitlist-form input[type="email"]:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(var(--color-primary-rgb), 0.15);
}

.waitlist-form input[type="email"]::placeholder {
  color: var(--color-text-secondary);
}

.waitlist-form .btn {
  white-space: nowrap;
}

/* Honeypot field - hidden from users, catches bots */
.honeypot-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.form-note {
  text-align: center;
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  margin-top: var(--spacing-sm);
}

.waitlist-count {
  text-align: center;
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  margin-top: var(--spacing-xs);
}

.waitlist-count strong {
  color: var(--color-primary);
  font-weight: 700;
}

.waitlist-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  color: #10b981;
  text-align: center;
}

.waitlist-success svg {
  width: 48px;
  height: 48px;
  stroke: #10b981;
}

.waitlist-success p {
  font-size: var(--text-lg);
  font-weight: 500;
}

/* --- Countdown Timer --- */
.countdown-wrapper {
  animation: fadeInUp 0.6s ease-out 0.4s backwards;
}

.countdown-label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--spacing-lg);
}

.countdown {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
}

@media (min-width: 480px) {
  .countdown {
    gap: var(--spacing-lg);
  }
}

.countdown-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
}

.countdown-value {
  font-family: var(--font-mono);
  font-size: var(--text-3xl);
  font-weight: 700;
  background: var(--glass-background);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md) var(--spacing-lg);
  min-width: 80px;
  position: relative;
  overflow: hidden;
}

@media (min-width: 768px) {
  .countdown-value {
    font-size: var(--text-4xl);
    padding: var(--spacing-lg) var(--spacing-xl);
    min-width: 100px;
  }
}

.countdown-value::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
}

.countdown-unit {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.countdown-separator {
  font-family: var(--font-mono);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-primary);
  align-self: flex-start;
  margin-top: var(--spacing-lg);
  animation: blink 1s infinite;
}

@media (min-width: 768px) {
  .countdown-separator {
    font-size: var(--text-4xl);
  }
}

@keyframes blink {

  0%,
  50% {
    opacity: 1;
  }

  51%,
  100% {
    opacity: 0.3;
  }
}

/* --- App Preview Section --- */
.app-preview-section {
  background: var(--gradient-dark);
  position: relative;
  overflow: hidden;
  padding: var(--spacing-5xl) 0;
}

.app-preview-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--glass-border), transparent);
}

.app-preview-section .section-header {
  margin-bottom: var(--spacing-3xl);
}

.app-preview-wrapper {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-2xl);
}

.app-preview-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 90%;
  height: 90%;
  background: radial-gradient(ellipse at center, rgba(var(--color-primary-rgb), 0.2) 0%, rgba(var(--color-secondary-rgb), 0.1) 40%, transparent 70%);
  filter: blur(60px);
  pointer-events: none;
  z-index: 0;
}

.app-preview-screens {
  position: relative;
  width: 100%;
  max-width: 1100px;
  height: 580px;
  z-index: 1;
}

@media (min-width: 768px) {
  .app-preview-screens {
    height: 680px;
  }
}

@media (min-width: 1024px) {
  .app-preview-screens {
    height: 750px;
  }
}

.app-screen {
  position: absolute;
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow:
    0 25px 50px -12px rgba(0, 0, 0, 0.5),
    0 0 0 1px var(--glass-border),
    0 0 80px rgba(var(--color-primary-rgb), 0.15);
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.5s ease;
}

.app-screen img {
  width: 100%;
  height: auto;
  display: block;
}

.screen-header {
  display: flex;
  gap: 6px;
  padding: 12px 16px;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  border-bottom: 1px solid var(--glass-border);
}

.screen-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
}

.screen-dot:first-child {
  background: #ff5f57;
}

.screen-dot:nth-child(2) {
  background: #ffbd2e;
}

.screen-dot:nth-child(3) {
  background: #28ca41;
}

/* Back screen - Talent Pool (bottom left) */
.app-screen-left {
  width: 65%;
  max-width: 650px;
  top: 0;
  left: 0;
  transform: rotate(-2deg);
  z-index: 1;
}

/* Middle screen - Skill Match (bottom right) */
.app-screen-right {
  width: 60%;
  max-width: 600px;
  top: 5%;
  right: 0;
  transform: rotate(2deg);
  z-index: 2;
}

/* Front screen - Dashboard (center front) */
.app-screen-center {
  width: 72%;
  max-width: 720px;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) rotate(0deg);
  z-index: 3;
  box-shadow:
    0 35px 70px -15px rgba(0, 0, 0, 0.6),
    0 0 0 1px rgba(var(--color-primary-rgb), 0.2),
    0 0 100px rgba(var(--color-primary-rgb), 0.2);
}

/* Hover Effects */
.app-preview-wrapper:hover .app-screen-left {
  transform: rotate(-4deg) translateX(-15px) translateY(-10px);
  box-shadow:
    0 35px 60px -15px rgba(0, 0, 0, 0.6),
    0 0 0 1px var(--glass-border),
    0 0 100px rgba(var(--color-primary-rgb), 0.2);
}

.app-preview-wrapper:hover .app-screen-right {
  transform: rotate(4deg) translateX(15px) translateY(-10px);
  box-shadow:
    0 35px 60px -15px rgba(0, 0, 0, 0.6),
    0 0 0 1px var(--glass-border),
    0 0 100px rgba(var(--color-primary-rgb), 0.2);
}

.app-preview-wrapper:hover .app-screen-center {
  transform: translateX(-50%) translateY(10px) scale(1.02);
  box-shadow:
    0 45px 90px -20px rgba(0, 0, 0, 0.7),
    0 0 0 1px rgba(var(--color-primary-rgb), 0.3),
    0 0 120px rgba(var(--color-primary-rgb), 0.25);
}

/* Preview Features */
.app-preview-features {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-lg);
  z-index: 1;
  margin-top: var(--spacing-xl);
}

.preview-feature {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--glass-background);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: var(--transition-base);
}

.preview-feature:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(var(--color-primary-rgb), 0.1);
}

.preview-feature svg {
  width: 18px;
  height: 18px;
  color: var(--color-primary);
}

/* Mobile Responsive */
@media (max-width: 767px) {
  .app-preview-section {
    padding: var(--spacing-3xl) 0;
  }

  .app-preview-screens {
    height: 480px;
  }

  .app-screen-left {
    width: 80%;
    left: 5%;
    top: 0;
    transform: rotate(-2deg);
  }

  .app-screen-right {
    width: 75%;
    right: 5%;
    top: 12%;
    transform: rotate(2deg);
  }

  .app-screen-center {
    width: 85%;
    bottom: 0;
    transform: translateX(-50%);
  }

  .app-preview-wrapper:hover .app-screen-left {
    transform: rotate(-3deg) translateY(-5px);
  }

  .app-preview-wrapper:hover .app-screen-right {
    transform: rotate(3deg) translateY(-5px);
  }

  .app-preview-wrapper:hover .app-screen-center {
    transform: translateX(-50%) translateY(5px);
  }

  .screen-header {
    padding: 8px 12px;
  }

  .screen-dot {
    width: 8px;
    height: 8px;
  }

  .app-preview-features {
    gap: var(--spacing-sm);
  }

  .preview-feature {
    font-size: var(--text-xs);
    padding: var(--spacing-xs) var(--spacing-md);
  }
}

@media (max-width: 479px) {
  .app-preview-screens {
    height: 400px;
  }

  .app-screen-left,
  .app-screen-right {
    width: 85%;
  }

  .app-screen-center {
    width: 90%;
  }

  .preview-feature svg {
    width: 14px;
    height: 14px;
  }
}

/* Light mode adjustments */
[data-theme="light"] .app-screen {
  box-shadow:
    0 25px 50px -12px rgba(0, 0, 0, 0.15),
    0 0 0 1px var(--glass-border),
    0 0 80px rgba(var(--color-primary-rgb), 0.1);
}

[data-theme="light"] .app-screen-center {
  box-shadow:
    0 35px 70px -15px rgba(0, 0, 0, 0.2),
    0 0 0 1px rgba(var(--color-primary-rgb), 0.15),
    0 0 100px rgba(var(--color-primary-rgb), 0.1);
}

[data-theme="light"] .screen-header {
  background: linear-gradient(135deg, #f0f0f5 0%, #e8e8ed 100%);
}

[data-theme="light"] .app-preview-glow {
  opacity: 0.6;
}

/* --- Kairos Moment Section --- */
.kairos-section {
  background: var(--gradient-dark);
  position: relative;
  overflow: hidden;
}

.kairos-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--glass-border), transparent);
}

.kairos-grid {
  display: grid;
  gap: var(--spacing-3xl);
}

@media (min-width: 1024px) {
  .kairos-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
  }
}

.kairos-content h2 {
  font-size: var(--text-3xl);
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  letter-spacing: -0.02em;
}

@media (min-width: 768px) {
  .kairos-content h2 {
    font-size: var(--text-4xl);
  }
}

.kairos-content p {
  color: var(--color-text-secondary);
  font-size: var(--text-lg);
  margin-bottom: var(--spacing-xl);
  line-height: 1.8;
}

.stat-highlight {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  padding: var(--spacing-xl);
  background: var(--glass-background);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
}

.stat-number {
  font-size: var(--text-5xl);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
}

.stat-text {
  color: var(--color-text-secondary);
  font-size: var(--text-base);
}

.stat-text strong {
  color: var(--color-text-primary);
  display: block;
  font-size: var(--text-lg);
  margin-bottom: var(--spacing-xs);
}

.kairos-comparison {
  display: grid;
  gap: var(--spacing-lg);
}

.comparison-card {
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
}

.comparison-card.chronos {
  background: linear-gradient(135deg, rgba(100, 100, 100, 0.1) 0%, rgba(50, 50, 50, 0.05) 100%);
  border: 1px solid rgba(100, 100, 100, 0.2);
}

.comparison-card.kairos {
  background: linear-gradient(135deg, rgba(var(--color-primary-rgb), 0.15) 0%, rgba(var(--color-primary-rgb), 0.05) 100%);
  border: 1px solid rgba(var(--color-primary-rgb), 0.3);
}

.comparison-card h3 {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.comparison-card.kairos h3 {
  color: var(--color-primary);
}

.comparison-card p {
  color: var(--color-text-secondary);
  font-size: var(--text-base);
}

.comparison-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
}

.chronos .comparison-icon {
  background: rgba(100, 100, 100, 0.2);
}

.kairos .comparison-icon {
  background: rgba(var(--color-primary-rgb), 0.2);
}

/* --- Trust Bar --- */
.trust-bar {
  padding: var(--spacing-2xl) 0;
  background: var(--color-surface);
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
  overflow: hidden;
}

.trust-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xl);
}

@media (min-width: 768px) {
  .trust-content {
    flex-direction: row;
    justify-content: center;
    gap: var(--spacing-3xl);
  }
}

.trust-text {
  text-align: center;
}

.trust-text h3 {
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-xs);
}

.trust-text p {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
}

.trust-text p em {
  color: var(--color-primary);
  font-style: normal;
  font-weight: 600;
}

.trust-logos {
  display: flex;
  align-items: center;
  gap: var(--spacing-2xl);
}

.trust-logo {
  opacity: 0.6;
  filter: grayscale(100%);
  transition: var(--transition-base);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.trust-logo:hover {
  opacity: 1;
  filter: grayscale(0%);
}

.trust-logo svg {
  width: 24px;
  height: 24px;
}

.trust-logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
}

/* --- Dual Path Section --- */
.dual-path-section {
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--spacing-3xl);
}

.section-header h2 {
  font-size: var(--text-3xl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.02em;
}

@media (min-width: 768px) {
  .section-header h2 {
    font-size: var(--text-4xl);
  }
}

.section-header p {
  color: var(--color-text-secondary);
  font-size: var(--text-lg);
}

.dual-path-grid {
  display: grid;
  gap: var(--spacing-xl);
}

@media (min-width: 768px) {
  .dual-path-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
  }
}

.path-card {
  padding: var(--spacing-2xl);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-2xl);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.path-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: var(--transition-base);
}

.path-card:hover {
  transform: translateY(-8px);
  border-color: rgba(var(--color-primary-rgb), 0.3);
  box-shadow: var(--shadow-xl), 0 0 40px rgba(var(--color-primary-rgb), 0.1);
}

.path-card:hover::before {
  opacity: 1;
}

.path-icon {
  width: 60px;
  height: 60px;
  background: rgba(var(--color-primary-rgb), 0.1);
  border: 1px solid rgba(var(--color-primary-rgb), 0.2);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-lg);
  font-size: var(--text-2xl);
  color: var(--color-primary);
}

.path-card h3 {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.path-card p {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.7;
}

.path-features {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
}

.path-feature {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
}

.path-feature svg {
  width: 16px;
  height: 16px;
  color: var(--color-primary);
  flex-shrink: 0;
}

/* --- About Section --- */
.about-section {
  background: var(--gradient-dark);
  position: relative;
}

.about-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--glass-border), transparent);
}

.about-intro {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--spacing-4xl);
}

.about-intro h2 {
  font-size: var(--text-3xl);
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  letter-spacing: -0.02em;
}

@media (min-width: 768px) {
  .about-intro h2 {
    font-size: var(--text-4xl);
  }
}

.about-lead {
  color: var(--color-text-secondary);
  font-size: var(--text-lg);
  line-height: 1.8;
}

/* Founders Section */
.founders-section {
  margin-bottom: var(--spacing-4xl);
}

.founders-title {
  text-align: center;
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-bottom: var(--spacing-2xl);
  letter-spacing: -0.02em;
}

@media (min-width: 768px) {
  .founders-title {
    font-size: var(--text-3xl);
  }
}

.founders-grid {
  display: grid;
  gap: var(--spacing-xl);
  max-width: 1000px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .founders-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
  }
}

.founder-card {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.06) 0%, rgba(255, 255, 255, 0.02) 100%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-2xl);
  transition: var(--transition-base);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

@media (min-width: 480px) {
  .founder-card {
    flex-direction: row;
    text-align: left;
    align-items: flex-start;
    gap: var(--spacing-xl);
  }
}

.founder-card:hover {
  transform: translateY(-5px);
  border-color: rgba(var(--color-primary-rgb), 0.3);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3), 0 0 60px rgba(var(--color-primary-rgb), 0.1);
}

.founder-avatar {
  width: 100px;
  height: 100px;
  min-width: 100px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-lg);
  position: relative;
  box-shadow: 0 10px 30px rgba(var(--color-primary-rgb), 0.3);
}

@media (min-width: 480px) {
  .founder-avatar {
    margin-bottom: 0;
  }
}

.founder-avatar::before {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: var(--gradient-primary);
  z-index: -1;
  opacity: 0.5;
  filter: blur(10px);
}

.founder-initials {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: white;
  letter-spacing: -0.02em;
}

.founder-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.founder-info {
  flex: 1;
}

.founder-name {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text-primary);
}

.founder-role {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-xs) var(--spacing-md);
  background: rgba(var(--color-primary-rgb), 0.1);
  border-radius: var(--radius-full);
}

.founder-bio {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
}

.founder-social {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
}

@media (min-width: 480px) {
  .founder-social {
    justify-content: flex-start;
  }
}

.founder-social a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--glass-background);
  border: 1px solid var(--glass-border);
  color: var(--color-text-secondary);
  transition: var(--transition-base);
}

.founder-social a:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
  transform: translateY(-2px);
}

/* Awards Section */
.awards-section {
  margin-bottom: var(--spacing-4xl);
}

.awards-title {
  text-align: center;
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-bottom: var(--spacing-2xl);
  letter-spacing: -0.02em;
}

.awards-grid {
  display: flex;
  justify-content: center;
  gap: var(--spacing-xl);
  flex-wrap: wrap;
}

.award-card {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  padding: var(--spacing-xl) var(--spacing-2xl);
  background: linear-gradient(135deg, rgba(var(--color-primary-rgb), 0.1) 0%, rgba(var(--color-secondary-rgb), 0.05) 100%);
  border: 1px solid rgba(var(--color-primary-rgb), 0.2);
  border-radius: var(--radius-xl);
  transition: var(--transition-base);
}

.award-card:hover {
  transform: translateY(-3px);
  border-color: rgba(var(--color-primary-rgb), 0.4);
  box-shadow: 0 15px 40px rgba(var(--color-primary-rgb), 0.15);
}

.award-icon {
  width: 64px;
  height: 64px;
  min-width: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  color: white;
  box-shadow: 0 8px 20px rgba(var(--color-primary-rgb), 0.3);
}

.award-info {
  text-align: left;
}

.award-name {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
}

.award-event {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xs);
}

.award-org {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
}

/* Mobile responsive */
@media (max-width: 479px) {
  .award-card {
    flex-direction: column;
    text-align: center;
    padding: var(--spacing-xl);
  }

  .award-info {
    text-align: center;
  }
}

/* About CTA */
.about-cta {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.about-cta p {
  color: var(--color-text-secondary);
  font-size: var(--text-lg);
  line-height: 1.8;
  margin-bottom: var(--spacing-xl);
}

/* Light mode adjustments */
[data-theme="light"] .founder-card {
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.02) 0%, rgba(0, 0, 0, 0.01) 100%);
}

[data-theme="light"] .founder-card:hover {
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1), 0 0 60px rgba(var(--color-primary-rgb), 0.08);
}

/* --- CTA Section --- */
.cta-section {
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 150%;
  height: 150%;
  background: radial-gradient(ellipse at center, rgba(var(--color-primary-rgb), 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: var(--text-3xl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.02em;
}

@media (min-width: 768px) {
  .cta-content h2 {
    font-size: var(--text-4xl);
  }
}

.cta-content p {
  color: var(--color-text-secondary);
  font-size: var(--text-lg);
  margin-bottom: var(--spacing-2xl);
}

.cta-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  justify-content: center;
}

@media (min-width: 480px) {
  .cta-buttons {
    flex-direction: row;
  }
}

/* --- Footer --- */
.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--glass-border);
  padding: var(--spacing-4xl) 0 var(--spacing-2xl);
}

.footer-grid {
  display: grid;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-3xl);
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.footer-brand .logo {
  margin-bottom: var(--spacing-md);
}

.footer-brand p {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  max-width: 280px;
  line-height: 1.7;
}

.footer-column h4 {
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-lg);
}

.footer-column ul {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer-column a {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  transition: var(--transition-fast);
}

.footer-column a:hover {
  color: var(--color-primary);
}

.footer-social {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.social-link {
  width: 40px;
  height: 40px;
  background: var(--glass-background);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  transition: var(--transition-base);
}

.social-link:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-text-primary);
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  padding-top: var(--spacing-2xl);
  border-top: 1px solid var(--glass-border);
  text-align: center;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer-bottom p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.verified-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--glass-background);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
}

.verified-badge svg {
  color: #22c55e;
}

/* --- Animations --- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.5;
    transform: scale(1.2);
  }
}

/* Scroll Animation Classes */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

.animate-on-scroll.delay-1 {
  transition-delay: 0.1s;
}

.animate-on-scroll.delay-2 {
  transition-delay: 0.2s;
}

.animate-on-scroll.delay-3 {
  transition-delay: 0.3s;
}

.animate-on-scroll.delay-4 {
  transition-delay: 0.4s;
}

/* --- Responsive Helpers --- */
@media (max-width: 767px) {
  .section {
    padding: var(--spacing-3xl) 0;
  }

  .section-header {
    margin-bottom: var(--spacing-2xl);
  }
}

/* --- Theme Toggle Button --- */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--glass-background);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: var(--transition-base);
}

.theme-toggle:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
  transition: var(--transition-base);
}

.theme-toggle .icon-sun {
  display: none;
}

.theme-toggle .icon-moon {
  display: block;
}

[data-theme="light"] .theme-toggle .icon-sun {
  display: block;
}

[data-theme="light"] .theme-toggle .icon-moon {
  display: none;
}

/* --- Light Mode Specific Overrides --- */
[data-theme="light"] .mobile-menu {
  background: rgba(255, 255, 255, 0.98);
}

[data-theme="light"] .btn-primary {
  color: #FFFFFF;
}

[data-theme="light"] .btn-accent {
  color: #FFFFFF;
}

[data-theme="light"] .logo-icon {
  color: #FFFFFF;
}

[data-theme="light"] .comparison-card.chronos {
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.03) 0%, rgba(0, 0, 0, 0.01) 100%);
  border-color: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .countdown-value::after {
  background: rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .path-card {
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.02) 0%, rgba(0, 0, 0, 0.01) 100%);
}

[data-theme="light"] .path-card:hover {
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.04) 0%, rgba(0, 0, 0, 0.02) 100%);
}

/* Smooth theme transition */
body,
body *,
body *::before,
body *::after {
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

/* ===================================
   COMPREHENSIVE MOBILE RESPONSIVENESS
   =================================== */

/* Extra Small Devices (320px - 479px) */
@media (max-width: 479px) {
  :root {
    --text-4xl: 1.75rem;
    --text-5xl: 2rem;
    --text-6xl: 2.25rem;
    --text-7xl: 2.5rem;
  }

  .container {
    padding: 0 var(--spacing-md);
  }

  .section {
    padding: var(--spacing-2xl) 0;
  }

  /* Hero Mobile */
  .hero {
    padding: calc(70px + var(--spacing-xl)) 0 var(--spacing-xl);
    min-height: auto;
  }

  .hero h1 {
    font-size: var(--text-3xl);
    margin-bottom: var(--spacing-md);
  }

  .hero-subtitle {
    font-size: var(--text-base);
    margin-bottom: var(--spacing-lg);
  }

  .hero-badge {
    font-size: var(--text-xs);
    padding: var(--spacing-xs) var(--spacing-md);
  }

  .hero-buttons {
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
  }

  .btn {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--text-sm);
    width: 100%;
  }

  .btn-lg {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--text-base);
  }

  /* Countdown Mobile */
  .countdown {
    gap: var(--spacing-xs);
  }

  .countdown-value {
    font-size: var(--text-xl);
    padding: var(--spacing-sm) var(--spacing-md);
    min-width: 55px;
  }

  .countdown-unit {
    font-size: 0.625rem;
  }

  .countdown-separator {
    font-size: var(--text-xl);
    margin-top: var(--spacing-sm);
  }

  .countdown-label {
    font-size: var(--text-xs);
  }

  /* Sections Mobile */
  .section-header h2 {
    font-size: var(--text-2xl);
  }

  .section-header p {
    font-size: var(--text-base);
  }

  .kairos-content h2,
  .about-content h2,
  .cta-content h2 {
    font-size: var(--text-2xl);
  }

  .stat-highlight {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-md);
  }

  .stat-number {
    font-size: var(--text-4xl);
  }

  /* Cards Mobile */
  .path-card,
  .glass-card {
    padding: var(--spacing-lg);
  }

  .path-icon {
    width: 48px;
    height: 48px;
  }

  .path-card h3 {
    font-size: var(--text-lg);
  }

  .comparison-card {
    padding: var(--spacing-lg);
  }

  /* About Visual */
  .about-graphic {
    max-width: 280px;
    padding: var(--spacing-xl);
  }

  .globe-icon {
    font-size: 50px;
  }

  .connection-point .flag {
    font-size: var(--text-2xl);
  }

  /* Footer Mobile */
  .footer {
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
  }

  .footer-grid {
    gap: var(--spacing-xl);
  }

  .footer-column h4 {
    margin-bottom: var(--spacing-md);
  }

  .footer-social {
    justify-content: center;
  }

  .footer-bottom {
    text-align: center;
    gap: var(--spacing-md);
  }
}

/* Small Devices (480px - 767px) */
@media (min-width: 480px) and (max-width: 767px) {
  .hero h1 {
    font-size: var(--text-4xl);
  }

  .countdown-value {
    font-size: var(--text-2xl);
    min-width: 65px;
  }

  .countdown-separator {
    font-size: var(--text-2xl);
  }

  .stat-highlight {
    flex-direction: row;
  }
}

/* Medium Devices (768px - 1023px) */
@media (min-width: 768px) and (max-width: 1023px) {
  .hero h1 {
    font-size: var(--text-5xl);
  }

  .kairos-grid {
    gap: var(--spacing-2xl);
  }

  .about-grid {
    gap: var(--spacing-2xl);
  }

  .dual-path-grid {
    gap: var(--spacing-lg);
  }
}

/* Mobile Navigation Enhancements */
@media (max-width: 1023px) {
  .navbar {
    padding: var(--spacing-sm) 0;
  }

  .logo {
    font-size: var(--text-lg);
  }

  .logo-img {
    width: 32px;
    height: 32px;
  }

  .menu-toggle {
    display: flex;
    z-index: 1001;
  }

  .mobile-menu {
    padding: var(--spacing-2xl);
  }

  .mobile-menu a {
    font-size: var(--text-xl);
  }

  /* Show theme toggle on mobile */
  .mobile-menu .theme-toggle {
    margin-top: var(--spacing-lg);
  }
}

/* Touch-Friendly Enhancements */
@media (hover: none) and (pointer: coarse) {
  .btn {
    min-height: 48px;
  }

  .theme-toggle {
    min-width: 44px;
    min-height: 44px;
  }

  .social-link {
    min-width: 44px;
    min-height: 44px;
  }

  .nav-links a {
    padding: var(--spacing-sm);
  }

  /* Remove hover effects for touch devices */
  .path-card:hover,
  .glass-card:hover {
    transform: none;
  }

  .btn:hover {
    transform: none;
  }
}

/* Landscape Mobile */
@media (max-height: 500px) and (orientation: landscape) {
  .hero {
    min-height: auto;
    padding: calc(60px + var(--spacing-lg)) 0 var(--spacing-lg);
  }

  .countdown-wrapper {
    margin-top: var(--spacing-md);
  }
}

/* High DPI / Retina Displays */
@media (-webkit-min-device-pixel-ratio: 2),
(min-resolution: 192dpi) {
  .logo-img {
    image-rendering: -webkit-optimize-contrast;
  }
}

/* Reduced Motion Preference */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .animate-on-scroll {
    opacity: 1;
    transform: none;
  }
}

/* Print Styles */
@media print {

  .navbar,
  .mobile-menu,
  .theme-toggle,
  .hero-buttons,
  .countdown-wrapper,
  .cta-section,
  .footer-social {
    display: none !important;
  }

  body {
    background: white !important;
    color: black !important;
  }

  .section {
    padding: 1rem 0;
    page-break-inside: avoid;
  }

  a[href]::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    color: #666;
  }

  .text-gradient {
    background: none;
    -webkit-text-fill-color: var(--color-primary);
    color: var(--color-primary);
  }
}

/* ===================================
   ACCESSIBILITY ENHANCEMENTS
   =================================== */

/* Skip Link for Keyboard Navigation */
.skip-link {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  padding: var(--spacing-md) var(--spacing-xl);
  background: var(--color-primary);
  color: white;
  font-weight: 600;
  border-radius: var(--radius-md);
  z-index: 10000;
  transition: top var(--transition-fast);
  text-decoration: none;
}

.skip-link:focus {
  top: var(--spacing-md);
  outline: 2px solid white;
  outline-offset: 2px;
}

/* Noscript Warning */
.noscript-warning {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  padding: var(--spacing-md);
  background: #ff6b6b;
  color: white;
  text-align: center;
  font-weight: 500;
  z-index: 10001;
}

/* Focus Visible for Keyboard Navigation */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

:focus:not(:focus-visible) {
  outline: none;
}

/* Interactive elements focus styles */
.btn:focus-visible,
.theme-toggle:focus-visible,
.social-link:focus-visible,
.nav-links a:focus-visible,
.mobile-link:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(var(--color-primary-rgb), 0.2);
}

/* High Contrast Mode Support */
@media (forced-colors: active) {

  .btn-primary,
  .btn-accent {
    border: 2px solid currentColor;
  }

  .text-gradient {
    background: none !important;
    -webkit-text-fill-color: currentColor;
  }

  .glass-card,
  .path-card,
  .comparison-card {
    border: 2px solid currentColor;
  }

  .countdown-value {
    border: 2px solid currentColor;
  }
}

/* Prefers Contrast Enhancement */
@media (prefers-contrast: more) {
  :root {
    --glass-background: rgba(0, 0, 0, 0.2);
    --glass-border: rgba(255, 255, 255, 0.3);
  }

  [data-theme="light"] {
    --glass-background: rgba(255, 255, 255, 0.9);
    --glass-border: rgba(0, 0, 0, 0.3);
  }

  .text-gradient {
    background: none;
    -webkit-text-fill-color: var(--color-primary);
    color: var(--color-primary);
  }
}

/* ===================================
   PERFORMANCE OPTIMIZATIONS
   =================================== */

/* GPU-accelerated animations */
.animate-on-scroll,
.path-card,
.glass-card,
.countdown-value,
.hero-content {
  will-change: transform, opacity;
}

/* Remove will-change after animation completes for better memory usage */
.animate-on-scroll.visible {
  will-change: auto;
}

/* Optimize paint for fixed elements */
.navbar {
  will-change: background-color, backdrop-filter;
}

.navbar.scrolled {
  will-change: auto;
}

/* Content visibility for offscreen sections (improves initial render) */
.section {
  content-visibility: auto;
  contain-intrinsic-size: 0 500px;
}

/* Optimize large animated elements */
.about-graphic::before {
  will-change: transform;
}