/* ========================================
   信毅會 Faith Learning Society
   Modern AI-Inspired Design 2025
   Responsive Design Optimized
   ======================================== */

/* CSS Variables */
:root {
  /* Modern Vibrant Colors - Hope & Innovation */
  --primary-purple: #8B5CF6;
  --primary-pink: #EC4899;
  --primary-orange: #F97316;
  --primary-teal: #14B8A6;
  --primary-blue: #3B82F6;

  /* Gradients - Energetic & Hopeful */
  --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
  --gradient-vibrant: linear-gradient(135deg, #8B5CF6 0%, #EC4899 50%, #F97316 100%);
  --gradient-hope: linear-gradient(135deg, #a855f7 0%, #ec4899 50%, #eab308 100%);
  --gradient-faith: linear-gradient(135deg, #8B5CF6 0%, #A78BFA 100%);
  --gradient-will: linear-gradient(135deg, #EC4899 0%, #F472B6 100%);
  --gradient-learn: linear-gradient(135deg, #14B8A6 0%, #5EEAD4 100%);
  --gradient-card: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(236, 72, 153, 0.1) 100%);
  --gradient-glow: radial-gradient(circle at 50% 50%, rgba(139, 92, 246, 0.3) 0%, transparent 50%);

  /* Light Theme - Clean & Bright */
  --bg-primary: #FAFAFA;
  --bg-white: #FFFFFF;
  --bg-subtle: #F5F3FF;
  --bg-card: rgba(255, 255, 255, 0.8);

  /* Text Colors */
  --text-primary: #1F2937;
  --text-secondary: #4B5563;
  --text-muted: #9CA3AF;
  --text-gradient: linear-gradient(135deg, #8B5CF6 0%, #EC4899 100%);

  /* Borders & Shadows */
  --border-light: rgba(139, 92, 246, 0.2);
  --border-card: rgba(255, 255, 255, 0.5);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 20px rgba(139, 92, 246, 0.1);
  --shadow-lg: 0 10px 40px rgba(139, 92, 246, 0.15);
  --shadow-xl: 0 20px 60px rgba(139, 92, 246, 0.2);
  --shadow-glow: 0 0 40px rgba(139, 92, 246, 0.3);

  /* Typography */
  --font-primary: 'Inter', 'Noto Sans TC', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Noto Serif TC', Georgia, serif;

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

  /* Border Radius */
  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --radius-xl: 2rem;
  --radius-2xl: 3rem;
  --radius-full: 50%;

  /* Header Height */
  --header-height: 72px;

  /* Transitions */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: var(--font-primary);
  color: var(--text-primary);
  background: var(--bg-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

h1 {
  font-size: clamp(2rem, 5vw, 4rem);
}

h2 {
  font-size: clamp(1.75rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 2rem);
}

h4 {
  font-size: 1.25rem;
}

p {
  margin-bottom: var(--spacing-sm);
  color: var(--text-secondary);
}

a {
  color: var(--primary-purple);
  text-decoration: none;
  transition: all var(--transition-fast);
}

a:hover {
  color: var(--primary-pink);
}

.text-gradient {
  background: var(--text-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-md);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
}

/* ========================================
   Header & Navigation - FIXED
   ======================================== */
.header {
  position: fixed;
  top: 16px;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(250, 250, 250, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(139, 92, 246, 0.1);
  transition: all var(--transition-normal);
  height: var(--header-height);
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-md);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
  position: relative;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  z-index: 1002;
}

.logo-icon {
  width: 44px;
  height: 44px;
  background: var(--gradient-vibrant);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 0.875rem;
  box-shadow: var(--shadow-md);
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-text .zh {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 700;
  background: var(--text-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
}

.logo-text .en {
  font-size: 0.6875rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

/* Logo Image */
.logo-img {
  height: 64px;
  width: auto;
  max-width: 50px;
  border-radius: var(--radius-sm);
  object-fit: contain;
  flex-shrink: 0;
}

/* Desktop Navigation */
.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-xl);
  align-items: center;
}

.nav-link {
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--text-secondary);
  padding: var(--spacing-xs) 0;
  position: relative;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-purple);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-vibrant);
  border-radius: 2px;
  transition: width var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-cta {
  background: var(--gradient-vibrant);
  color: white !important;
  padding: 0.625rem 1.5rem !important;
  border-radius: var(--radius-lg);
  font-weight: 600;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.nav-cta::after {
  display: none;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  padding: 10px;
  z-index: 1002;
  background: transparent;
  border: none;
  width: 44px;
  height: 44px;
}

.mobile-menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-normal);
  transform-origin: center;
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.mobile-menu-toggle.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ========================================
   Buttons
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: none;
  transition: all var(--transition-normal);
  text-decoration: none;
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

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

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
  color: white;
}

.btn-secondary {
  background: white;
  color: var(--primary-purple);
  border: 2px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  border-color: var(--primary-purple);
  background: var(--bg-subtle);
  transform: translateY(-2px);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.1);
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
  color: white;
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.0625rem;
  border-radius: var(--radius-xl);
}

.btn-icon {
  font-size: 1rem;
}

/* ========================================
   Hero Section - Modern AI Style
   ======================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: var(--header-height);
  background: var(--bg-primary);
  overflow: hidden;
}

/* Animated Background */
.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
  z-index: 0;
}

.hero-bg::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background:
    radial-gradient(circle at 20% 20%, rgba(139, 92, 246, 0.15) 0%, transparent 40%),
    radial-gradient(circle at 80% 80%, rgba(236, 72, 153, 0.15) 0%, transparent 40%),
    radial-gradient(circle at 40% 60%, rgba(249, 115, 22, 0.1) 0%, transparent 30%);
  animation: float 20s ease-in-out infinite;
}

.hero-bg::after {
  content: '';
  position: absolute;
  top: 10%;
  right: 10%;
  width: 600px;
  height: 600px;
  background: var(--gradient-glow);
  filter: blur(100px);
  animation: pulse 8s ease-in-out infinite;
}

@keyframes float {

  0%,
  100% {
    transform: translate(0, 0) rotate(0deg);
  }

  25% {
    transform: translate(2%, 2%) rotate(1deg);
  }

  50% {
    transform: translate(-1%, 3%) rotate(-1deg);
  }

  75% {
    transform: translate(-2%, -1%) rotate(0.5deg);
  }
}

@keyframes pulse {

  0%,
  100% {
    opacity: 0.5;
    transform: scale(1);
  }

  50% {
    opacity: 0.8;
    transform: scale(1.1);
  }
}

/* Floating Shapes */
.floating-shapes {
  display: none;
}

.shape {
  position: absolute;
  border-radius: var(--radius-xl);
  opacity: 0.6;
}

.shape-1 {
  top: 15%;
  left: 10%;
  width: 80px;
  height: 80px;
  background: var(--gradient-faith);
  animation: floatShape 15s ease-in-out infinite;
}

.shape-2 {
  top: 60%;
  left: 5%;
  width: 60px;
  height: 60px;
  background: var(--gradient-will);
  animation: floatShape 12s ease-in-out infinite reverse;
}

.shape-3 {
  top: 25%;
  right: 15%;
  width: 100px;
  height: 100px;
  background: var(--gradient-learn);
  animation: floatShape 18s ease-in-out infinite;
}

.shape-4 {
  bottom: 20%;
  right: 10%;
  width: 50px;
  height: 50px;
  background: var(--gradient-hope);
  animation: floatShape 10s ease-in-out infinite reverse;
}

@keyframes floatShape {

  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }

  50% {
    transform: translateY(-30px) rotate(10deg);
  }
}

/* Hero Content */
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  padding: var(--spacing-lg) var(--spacing-md);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  background: white;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-2xl);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--primary-purple);
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
}

.hero-badge .emoji {
  font-size: 1.125rem;
}

/* Hero Title - Smart Line Break */
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 10vw, 5.5rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: var(--spacing-lg);
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-purple) 50%, var(--primary-pink) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Title parts for controlled line breaking */
.hero-title .title-part {
  display: inline;
}

.hero-title .title-comma {
  display: inline;
  -webkit-text-fill-color: var(--primary-purple);
}

.hero-title .title-divider {
  display: inline;
}

/* Stylish Subtitle */
.hero-subtitle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  font-size: clamp(0.9rem, 2vw, 1.5rem);
  color: var(--primary-purple);
  margin-bottom: var(--spacing-xl);
  font-weight: 500;
  letter-spacing: 0.05em;
  white-space: normal;
  text-align: center;
  padding: 0 var(--spacing-lg);
  word-wrap: break-word;
}

.hero-subtitle .subtitle-line {
  display: none;
}

.hero-subtitle .subtitle-line:last-child {
  background: linear-gradient(90deg, var(--primary-pink), var(--primary-purple), transparent);
}

.hero-subtitle .subtitle-text {
  font-style: italic;
  background: linear-gradient(135deg, var(--primary-purple) 0%, var(--primary-pink) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
}

.hero-subtitle .subtitle-text::before,
.hero-subtitle .subtitle-text::after {
  content: '✦';
  -webkit-text-fill-color: var(--primary-pink);
  font-size: 0.75em;
  margin: 0 0.5rem;
  opacity: 0.7;
  animation: sparkle 2s ease-in-out infinite;
}

.hero-subtitle .subtitle-text::after {
  animation-delay: 1s;
}

@keyframes sparkle {

  0%,
  100% {
    opacity: 0.4;
    transform: scale(0.8);
  }

  50% {
    opacity: 1;
    transform: scale(1.1);
  }
}

.hero-description {
  font-size: clamp(1rem, 2vw, 1.125rem);
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto var(--spacing-xl);
  line-height: 1.8;
}

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

.hero-scroll {
  display: none;
}

.scroll-indicator {
  display: none;
}

.scroll-indicator::before {
  content: '';
  width: 6px;
  height: 10px;
  background: var(--gradient-vibrant);
  border-radius: 3px;
  animation: scrollDown 2s ease-in-out infinite;
}

@keyframes scrollDown {

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

  50% {
    transform: translateY(15px);
    opacity: 0.3;
  }
}

/* ========================================
   Logo Showcase Section
   ======================================== */
.logo-showcase {
  background: linear-gradient(180deg, var(--bg-primary) 0%, white 100%);
  padding: var(--spacing-sm) 0;
}

.logo-showcase-content {
  display: flex;
  justify-content: center;
  align-items: center;
}

.logo-showcase-img {
  max-width: 100%;
  height: auto;
  max-height: 400px;
  object-fit: contain;
}

/* ========================================
   Section Styles
   ======================================== */
.section {
  padding: var(--spacing-3xl) 0;
  position: relative;
}

.section-light {
  background: white;
}

.section-gradient {
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-subtle) 100%);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--spacing-2xl);
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  background: var(--bg-subtle);
  padding: 0.375rem 1rem;
  border-radius: var(--radius-2xl);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--primary-purple);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-md);
}

.section-title {
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.section-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ========================================
   Journey Showcase - Elegant Display
   With Fallback Support for Older Browsers
   ======================================== */
.journey-showcase {
  display: flex;
  display: -webkit-flex;
  align-items: center;
  -webkit-align-items: center;
  justify-content: center;
  -webkit-justify-content: center;
  gap: 1.5rem;
  margin-top: 2rem;
  flex-wrap: wrap;
  -webkit-flex-wrap: wrap;
}

/* Base styles with solid color fallback */
.journey-step {
  display: inline-flex;
  display: -webkit-inline-flex;
  align-items: center;
  -webkit-align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 2rem;
  -webkit-border-radius: 2rem;
  font-size: 1.25rem;
  font-weight: 700;
  font-family: 'Noto Serif TC', Georgia, serif;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
  -webkit-transition: all 0.3s ease;
  cursor: default;
  /* Fallback solid background */
  background-color: #f5f3ff;
  border: 2px solid #c4b5fd;
  color: #7c3aed;
}

.journey-step i {
  font-size: 1rem;
}

/* Faith Step - Purple (Fallback) */
.journey-step.faith-step {
  background-color: #ede9fe;
  border-color: #a78bfa;
  color: #8B5CF6;
}

/* Will Step - Pink (Fallback) */
.journey-step.will-step {
  background-color: #fce7f3;
  border-color: #f9a8d4;
  color: #EC4899;
}

/* Learn Step - Teal (Fallback) */
.journey-step.learn-step {
  background-color: #ccfbf1;
  border-color: #5eead4;
  color: #14B8A6;
}

/* Journey Arrow - Fallback */
.journey-arrow {
  font-size: 1.75rem;
  font-weight: 300;
  color: #8B5CF6;
}

/* Enhanced styles for browsers that support gradients */
@supports (background: linear-gradient(to right, #000, #fff)) {
  .journey-step.faith-step {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.15) 0%, rgba(139, 92, 246, 0.25) 100%);
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.2);
  }

  .journey-step.will-step {
    background: linear-gradient(135deg, rgba(236, 72, 153, 0.15) 0%, rgba(236, 72, 153, 0.25) 100%);
    box-shadow: 0 4px 20px rgba(236, 72, 153, 0.2);
  }

  .journey-step.learn-step {
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.15) 0%, rgba(20, 184, 166, 0.25) 100%);
    box-shadow: 0 4px 20px rgba(20, 184, 166, 0.2);
  }

  .journey-arrow {
    background: linear-gradient(135deg, #8B5CF6 0%, #EC4899 50%, #F97316 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  /* Shimmer effect */
  .journey-step::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.6s ease;
  }

  .journey-step:hover::before {
    left: 100%;
  }

  /* Hover effects */
  .journey-step:hover {
    transform: translateY(-4px) scale(1.05);
    -webkit-transform: translateY(-4px) scale(1.05);
  }

  .journey-step.faith-step:hover {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.25) 0%, rgba(139, 92, 246, 0.4) 100%);
    box-shadow: 0 8px 30px rgba(139, 92, 246, 0.35);
  }

  .journey-step.will-step:hover {
    background: linear-gradient(135deg, rgba(236, 72, 153, 0.25) 0%, rgba(236, 72, 153, 0.4) 100%);
    box-shadow: 0 8px 30px rgba(236, 72, 153, 0.35);
  }

  .journey-step.learn-step:hover {
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.25) 0%, rgba(20, 184, 166, 0.4) 100%);
    box-shadow: 0 8px 30px rgba(20, 184, 166, 0.35);
  }

  /* Icon pulse animation */
  .journey-step i {
    animation: pulse-icon 2s ease-in-out infinite;
    -webkit-animation: pulse-icon 2s ease-in-out infinite;
  }

  @keyframes pulse-icon {

    0%,
    100% {
      transform: scale(1);
      opacity: 0.9;
    }

    50% {
      transform: scale(1.15);
      opacity: 1;
    }
  }

  @-webkit-keyframes pulse-icon {

    0%,
    100% {
      -webkit-transform: scale(1);
      opacity: 0.9;
    }

    50% {
      -webkit-transform: scale(1.15);
      opacity: 1;
    }
  }

  /* Arrow animation */
  .journey-arrow {
    animation: arrow-pulse 1.5s ease-in-out infinite;
    -webkit-animation: arrow-pulse 1.5s ease-in-out infinite;
  }

  @keyframes arrow-pulse {

    0%,
    100% {
      opacity: 0.6;
      transform: translateX(0);
    }

    50% {
      opacity: 1;
      transform: translateX(4px);
    }
  }

  @-webkit-keyframes arrow-pulse {

    0%,
    100% {
      opacity: 0.6;
      -webkit-transform: translateX(0);
    }

    50% {
      opacity: 1;
      -webkit-transform: translateX(4px);
    }
  }
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .journey-showcase {
    gap: 0.5rem;
    flex-wrap: nowrap;
  }

  .journey-step {
    padding: 0.4rem 0.75rem;
    font-size: 0.9rem;
  }

  .journey-step i {
    display: none;
  }

  .journey-arrow {
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .journey-showcase {
    gap: 0.35rem;
  }

  .journey-step {
    padding: 0.35rem 0.6rem;
    font-size: 0.8rem;
    border-width: 1.5px;
  }

  .journey-arrow {
    font-size: 0.9rem;
  }
}

@media (max-width: 360px) {
  .journey-step {
    padding: 0.3rem 0.5rem;
    font-size: 0.75rem;
  }

  .journey-arrow {
    font-size: 0.8rem;
  }
}

/* ========================================
   Three Pillars - Modern Cards
   ======================================== */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.pillar-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  text-align: center;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(139, 92, 246, 0.1);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.pillar-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.pillar-card.faith::before {
  background: var(--gradient-faith);
}

.pillar-card.will::before {
  background: var(--gradient-will);
}

.pillar-card.learn::before {
  background: var(--gradient-learn);
}

.pillar-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.pillar-icon {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-md);
  font-size: 1.75rem;
}

.pillar-card.faith .pillar-icon {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.15) 0%, rgba(139, 92, 246, 0.25) 100%);
  color: var(--primary-purple);
}

.pillar-card.will .pillar-icon {
  background: linear-gradient(135deg, rgba(236, 72, 153, 0.15) 0%, rgba(236, 72, 153, 0.25) 100%);
  color: var(--primary-pink);
}

.pillar-card.learn .pillar-icon {
  background: linear-gradient(135deg, rgba(20, 184, 166, 0.15) 0%, rgba(20, 184, 166, 0.25) 100%);
  color: var(--primary-teal);
}

.pillar-title {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
}

.pillar-subtitle {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: var(--spacing-md);
}

.pillar-description {
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 0.9375rem;
}

/* ========================================
   Feature Cards
   ======================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

.feature-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(139, 92, 246, 0.1);
  transition: all var(--transition-normal);
  display: flex;
  gap: var(--spacing-md);
}

.feature-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-purple);
  transform: translateY(-4px);
}

.feature-icon {
  width: 56px;
  height: 56px;
  background: var(--gradient-card);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--primary-purple);
  flex-shrink: 0;
}

.feature-content h4 {
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
  font-size: 1.125rem;
}

.feature-content p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  margin: 0;
  line-height: 1.6;
}

/* ========================================
   Promise Banner
   ======================================== */
.promise-banner {
  background: var(--gradient-vibrant);
  color: white;
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-lg);
  border-radius: var(--radius-xl);
  margin: var(--spacing-2xl) 0;
  position: relative;
  overflow: hidden;
}

.promise-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 60%);
  animation: shimmer 8s ease-in-out infinite;
}

@keyframes shimmer {

  0%,
  100% {
    transform: translateX(-50%) translateY(-50%);
  }

  50% {
    transform: translateX(-30%) translateY(-30%);
  }
}

.promise-banner h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  margin-bottom: var(--spacing-xs);
  position: relative;
  z-index: 1;
}

.promise-banner p {
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(0.9375rem, 2vw, 1.125rem);
  margin: 0;
  position: relative;
  z-index: 1;
}

/* ========================================
   Vision Grid
   ======================================== */
.vision-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.vision-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(139, 92, 246, 0.1);
  transition: all var(--transition-normal);
}

.vision-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateX(8px);
}

.vision-item .icon {
  width: 44px;
  height: 44px;
  background: var(--gradient-card);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-purple);
  flex-shrink: 0;
}

.vision-item p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* ========================================
   CTA Section
   ======================================== */
.cta-section {
  background: var(--gradient-vibrant);
  color: white;
  text-align: center;
  padding: var(--spacing-3xl) var(--spacing-md);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 40%),
    radial-gradient(circle at 80% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 40%);
}

.cta-section h2 {
  color: white;
  margin-bottom: var(--spacing-md);
  position: relative;
  z-index: 1;
}

.cta-section p {
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(1rem, 2vw, 1.25rem);
  max-width: 600px;
  margin: 0 auto var(--spacing-xl);
  position: relative;
  z-index: 1;
}

.cta-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.cta-buttons .btn-primary {
  background: white;
  color: var(--primary-purple);
}

.cta-buttons .btn-primary:hover {
  background: rgba(255, 255, 255, 0.9);
}

/* ========================================
   Page Hero (About, Resources)
   ======================================== */
.page-hero {
  background: linear-gradient(135deg, var(--bg-subtle) 0%, var(--bg-primary) 100%);
  padding: calc(var(--header-height) + var(--spacing-2xl)) 0 var(--spacing-2xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: var(--gradient-glow);
  filter: blur(100px);
  opacity: 0.5;
}

.page-hero h1 {
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-sm);
  position: relative;
  z-index: 1;
}

.page-hero p {
  color: var(--text-secondary);
  font-size: clamp(1rem, 2vw, 1.25rem);
  position: relative;
  z-index: 1;
}

/* ========================================
   Mission Vision Cards
   ======================================== */
.mission-vision {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-xl);
}

.mission-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(139, 92, 246, 0.1);
}

.mission-card h3 {
  color: var(--primary-purple);
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: clamp(1.125rem, 2vw, 1.375rem);
}

.mission-card ul {
  list-style: none;
  padding: 0;
}

.mission-card li {
  padding: var(--spacing-xs) 0;
  padding-left: var(--spacing-lg);
  position: relative;
  color: var(--text-secondary);
  line-height: 1.7;
}

.mission-card li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary-teal);
  font-weight: bold;
}

/* ========================================
   Name Origin
   ======================================== */
.name-origin {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.origin-card {
  text-align: center;
  padding: var(--spacing-xl);
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(139, 92, 246, 0.1);
  transition: all var(--transition-normal);
}

.origin-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.origin-character {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  line-height: 1;
}

.origin-card.faith .origin-character {
  background: var(--gradient-faith);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.origin-card.will .origin-character {
  background: var(--gradient-will);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.origin-card.learn .origin-character {
  background: var(--gradient-learn);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.origin-card h4 {
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
  font-size: clamp(0.9375rem, 2vw, 1.125rem);
}

.origin-card p {
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 0.9375rem;
}

/* ========================================
   Founder Section
   ======================================== */
.founder-section {
  background: linear-gradient(135deg, var(--bg-subtle) 0%, white 100%);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  margin: var(--spacing-2xl) 0;
  border: 1px solid rgba(139, 92, 246, 0.1);
}

.founder-content {
  max-width: 800px;
  margin: 0 auto;
}

.founder-content blockquote {
  font-size: clamp(1rem, 2vw, 1.125rem);
  line-height: 2;
  color: var(--text-secondary);
  border-left: 4px solid var(--primary-purple);
  padding-left: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
  font-style: italic;
  background: white;
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

/* ========================================
   Team Grid
   ======================================== */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
}

.team-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 2px dashed var(--border-light);
  transition: all var(--transition-normal);
}

.team-card:hover {
  border-style: solid;
  border-color: var(--primary-purple);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.team-icon {
  width: 64px;
  height: 64px;
  background: var(--gradient-card);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-md);
  font-size: 1.5rem;
  color: var(--primary-purple);
}

.team-card h4 {
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
  font-size: 1rem;
}

.team-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.5;
}

/* ========================================
   Audience Cards
   ======================================== */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--spacing-md);
}

.audience-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(139, 92, 246, 0.1);
  transition: all var(--transition-normal);
}

.audience-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-purple);
}

.audience-card .icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
}

.audience-card h4 {
  font-size: 0.9375rem;
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
}

.audience-card p {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.5;
}

/* ========================================
   Resource Cards
   ======================================== */
.resource-section {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-xl);
  align-items: start;
}

.resource-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(139, 92, 246, 0.1);
}

.resource-card.featured {
  grid-column: span 2;
}

.resource-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.resource-badge {
  background: var(--gradient-card);
  color: var(--primary-purple);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
}

.resource-list {
  list-style: none;
  padding: 0;
}

.resource-list li {
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid rgba(139, 92, 246, 0.1);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

.resource-list li:last-child {
  border-bottom: none;
}

.resource-list .icon {
  color: var(--primary-purple);
  flex-shrink: 0;
}

/* ========================================
   Process Steps
   ======================================== */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 10%;
  right: 10%;
  height: 3px;
  background: var(--gradient-vibrant);
  border-radius: 2px;
  z-index: 0;
}

.step-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  position: relative;
  z-index: 1;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(139, 92, 246, 0.1);
}

.step-number {
  width: 48px;
  height: 48px;
  background: var(--gradient-vibrant);
  color: white;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.25rem;
  margin: 0 auto var(--spacing-md);
  box-shadow: var(--shadow-md);
}

.step-card h4 {
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
  font-size: 1rem;
}

.step-card p {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.6;
}

/* ========================================
   Principles
   ======================================== */
.principles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.principle-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(139, 92, 246, 0.1);
}

.principle-card h4 {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  color: var(--primary-purple);
  font-size: 1rem;
}

.principle-card ul {
  list-style: none;
  padding: 0;
}

.principle-card li {
  padding: var(--spacing-xs) 0;
  color: var(--text-secondary);
  font-size: 0.875rem;
  position: relative;
  padding-left: var(--spacing-md);
  line-height: 1.6;
}

.principle-card li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--primary-purple);
}

/* ========================================
   FAQ
   ======================================== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: white;
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-sm);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(139, 92, 246, 0.1);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.faq-item:hover {
  box-shadow: var(--shadow-md);
}

.faq-question {
  padding: var(--spacing-md) var(--spacing-lg);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  color: var(--text-primary);
  transition: all var(--transition-fast);
  gap: var(--spacing-sm);
}

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

.faq-question span:first-child {
  flex: 1;
}

.faq-question .icon {
  color: var(--primary-purple);
  transition: transform var(--transition-normal);
  flex-shrink: 0;
}

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

.faq-answer {
  padding: 0 var(--spacing-lg) var(--spacing-md);
  color: var(--text-secondary);
  display: none;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  display: block;
}

/* ========================================
   Footer
   ======================================== */
.footer {
  background: var(--text-primary);
  color: white;
  padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-brand .logo-text .zh {
  background: var(--gradient-vibrant);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.footer-brand .logo-text .en {
  color: rgba(255, 255, 255, 0.5);
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.7);
  margin-top: var(--spacing-md);
  max-width: 300px;
  line-height: 1.7;
  font-size: 0.9375rem;
}

.footer h4 {
  color: white;
  margin-bottom: var(--spacing-md);
  font-size: 1rem;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--spacing-xs);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  transition: all var(--transition-fast);
  font-size: 0.9375rem;
}

.footer-links a:hover {
  color: white;
}

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

.footer-social a {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background: var(--gradient-vibrant);
  transform: translateY(-3px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.875rem;
  margin: 0;
}

.footer-legal {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.footer-legal a {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.875rem;
}

.footer-legal a:hover {
  color: white;
}

/* ========================================
   Animations
   ======================================== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* ========================================
   RESPONSIVE DESIGN - OPTIMIZED
   ======================================== */

/* Tablet Landscape (1024px and below) */
@media (max-width: 1024px) {
  :root {
    --header-height: 68px;
  }

  .pillars {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
  }

  .features-grid {
    gap: var(--spacing-md);
  }

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

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

  .process-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
  }

  .process-steps::before {
    display: none;
  }

  .principles-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
  }

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

  .floating-shapes .shape {
    transform: scale(0.8);
  }
}

/* Tablet Portrait (768px and below) */
@media (max-width: 768px) {
  :root {
    --header-height: 64px;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
  }

  /* Mobile Header - Centered with rounded corners */
  .header {
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 24px);
    border-radius: 1rem;
    border: 1px solid rgba(139, 92, 246, 0.15);
    display: flex;
    align-items: center;
  }

  .header .container {
    display: flex;
    align-items: center;
    height: 100%;
  }

  .header .nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    height: 100%;
  }

  /* Mobile Hero - Align to top to reduce spacing */
  .hero {
    min-height: 100vh;
    min-height: 100dvh;
    padding-top: calc(var(--header-height) + 2rem);
    padding-bottom: 2rem;
    align-items: flex-start;
  }

  .hero-content {
    padding: 0 var(--spacing-sm);
    width: 100%;
  }

  /* Mobile Hero Title - Slightly smaller */
  .hero-title {
    font-size: clamp(2.5rem, 13vw, 4rem);
    margin-bottom: 1rem;
    line-height: 1.1;
  }

  /* Mobile Subtitle - Max 2 lines */
  .hero-subtitle {
    font-size: clamp(0.85rem, 3.8vw, 1.1rem);
    margin-bottom: 1.5rem;
    line-height: 1.4;
  }

  /* Mobile description - more spacing */
  .hero-description {
    font-size: 0.95rem;
    margin-bottom: 2.5rem;
    line-height: 1.8;
  }

  /* Mobile hero buttons - more spacing */
  .hero-buttons {
    gap: 1rem;
  }

  /* Mobile Navigation - Slide-in Panel from Right */
  .mobile-menu-toggle {
    display: flex;
    z-index: 1010;
    position: relative;
  }

  .nav-menu {
    display: flex !important;
    position: fixed !important;
    top: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    left: auto !important;
    width: 280px;
    max-width: 85vw;
    height: 100vh;
    height: 100dvh;
    background: linear-gradient(180deg, #ffffff 0%, #faf8ff 100%);
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    padding: calc(var(--header-height) + var(--spacing-xl)) var(--spacing-lg) var(--spacing-xl);
    gap: 0;
    overflow-y: auto;
    z-index: 1005;
    box-shadow: -8px 0 40px rgba(0, 0, 0, 0.15);
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.32, 0.72, 0, 1);
    visibility: hidden;
  }

  /* Decorative gradient line at top of menu */
  .nav-menu::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-vibrant);
  }

  .nav-menu.active {
    transform: translateX(0);
    visibility: visible;
  }

  /* Mobile menu overlay - blurs the content behind, making navigation the main focus */
  body.menu-open::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 1001;
    animation: fadeIn 0.25s ease-out;
  }

  /* Ensure header stays above the blur overlay */
  body.menu-open .header {
    z-index: 1010;
  }

  /* Navigation menu should be above the blur overlay and clearly visible */
  body.menu-open .nav-menu {
    z-index: 1020;
    box-shadow: -8px 0 60px rgba(139, 92, 246, 0.3);
  }

  @keyframes fadeIn {
    from {
      opacity: 0;
    }

    to {
      opacity: 1;
    }
  }

  .nav-menu li {
    width: 100%;
    text-align: left;
    border-bottom: 1px solid rgba(139, 92, 246, 0.08);
  }

  .nav-menu li:last-child {
    border-bottom: none;
    margin-top: auto;
    padding-top: var(--spacing-md);
  }

  .nav-link {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: var(--spacing-md) var(--spacing-sm);
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--text-primary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    margin: var(--spacing-xs) 0;
  }

  .nav-link:hover,
  .nav-link.active {
    background: rgba(139, 92, 246, 0.08);
    color: var(--primary-purple);
    padding-left: var(--spacing-md);
  }

  .nav-link::after {
    display: none;
  }

  .nav-cta {
    width: 100%;
    max-width: none;
    margin-top: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-xl) !important;
    justify-content: center;
    border-radius: var(--radius-lg) !important;
  }

  /* Hero Title - Hide comma on mobile */
  .hero-title .title-comma {
    display: none;
  }

  .hero-title .title-divider {
    display: block;
    height: 0;
  }

  /* Mobile Subtitle adjustments */
  .hero-subtitle {
    flex-wrap: wrap;
    gap: var(--spacing-sm);
  }

  .hero-subtitle .subtitle-line {
    width: 40px;
  }

  .hero-content {
    padding: var(--spacing-xl) var(--spacing-sm);
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
    width: 100%;
  }

  .hero-buttons .btn {
    width: 100%;
    max-width: 320px;
  }

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

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

  /* Pillars - Stack */
  .pillars {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

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

  /* Features - Stack */
  .features-grid {
    grid-template-columns: 1fr;
  }

  .feature-card {
    flex-direction: column;
    text-align: center;
  }

  .feature-icon {
    margin: 0 auto var(--spacing-sm);
  }

  /* Mission Vision - Stack */
  .mission-vision {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

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

  /* Name Origin - Stack */
  .name-origin {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

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

  /* Resource Section - Stack */
  .resource-section {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

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

  .resource-card.featured {
    grid-column: span 1;
  }

  /* Principles - Stack */
  .principles-grid {
    grid-template-columns: 1fr;
  }

  /* Vision List - Stack */
  .vision-list {
    grid-template-columns: 1fr;
  }

  .vision-item:hover {
    transform: translateY(-4px);
  }

  /* Audience Grid */
  .audience-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
  }

  .audience-card {
    padding: var(--spacing-md);
  }

  .audience-card .icon {
    font-size: 2rem;
  }

  .audience-card h4 {
    font-size: 0.875rem;
  }

  /* Process Steps - Stack */
  .process-steps {
    grid-template-columns: 1fr;
  }

  /* Team Grid */
  .team-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
  }

  .team-card {
    padding: var(--spacing-md);
  }

  /* CTA Section */
  .cta-section {
    padding: var(--spacing-2xl) var(--spacing-md);
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
    width: 100%;
  }

  .cta-buttons .btn {
    width: 100%;
    max-width: 320px;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--spacing-lg);
  }

  .footer-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .footer-brand .logo {
    justify-content: center;
  }

  .footer-brand p {
    max-width: none;
    text-align: center;
  }

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

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-sm);
  }

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

  /* Floating Shapes - Hide on mobile */
  .floating-shapes {
    display: none;
  }

  /* Promise Banner */
  .promise-banner {
    padding: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
  }

  /* Founder Section */
  .founder-section {
    padding: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
  }

  .founder-content blockquote {
    padding: var(--spacing-sm) var(--spacing-md);
    margin: var(--spacing-md) 0;
  }

  /* FAQ */
  .faq-question {
    padding: var(--spacing-md);
    font-size: 0.9375rem;
  }

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

/* Mobile (480px and below) */
@media (max-width: 480px) {
  :root {
    --header-height: 60px;
    --spacing-2xl: 2.5rem;
    --spacing-3xl: 3rem;
  }

  html {
    font-size: 15px;
  }

  /* Logo adjustments */
  .logo-icon {
    width: 40px;
    height: 40px;
    font-size: 0.75rem;
  }

  .logo-img {
    height: 48px;
    max-width: 48px;
  }

  .logo-text .zh {
    font-size: 1.125rem;
  }

  .logo-text .en {
    font-size: 0.5625rem;
  }

  /* Hero subtitle adjustments for mobile */
  .hero-subtitle {
    font-size: clamp(0.75rem, 3.5vw, 0.95rem);
    padding: 0 var(--spacing-md);
    line-height: 1.5;
  }

  .hero-subtitle .subtitle-text::before,
  .hero-subtitle .subtitle-text::after {
    font-size: 0.6em;
    margin: 0 0.3rem;
  }

  /* Hero adjustments */
  .hero-content {
    padding: var(--spacing-lg) var(--spacing-sm);
  }

  .hero-title {
    font-size: clamp(2rem, 10vw, 2.5rem);
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .hero-description {
    font-size: 0.9375rem;
  }

  .hero-badge {
    font-size: 0.75rem;
    padding: 0.375rem 0.875rem;
  }

  .hero-scroll {
    bottom: var(--spacing-md);
  }

  .scroll-indicator {
    width: 24px;
    height: 40px;
  }

  /* Buttons */
  .btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.9375rem;
  }

  .btn-large {
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
  }

  /* Audience Grid - Single Column */
  .audience-grid {
    grid-template-columns: 1fr;
  }

  .audience-card {
    display: flex;
    align-items: center;
    text-align: left;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
  }

  .audience-card .icon {
    font-size: 2rem;
    margin-bottom: 0;
  }

  .audience-card .content {
    flex: 1;
  }

  /* Team Grid - Single Column */
  .team-grid {
    grid-template-columns: 1fr;
  }

  .team-card {
    display: flex;
    align-items: center;
    text-align: left;
    gap: var(--spacing-md);
  }

  .team-icon {
    margin: 0;
    width: 56px;
    height: 56px;
    font-size: 1.25rem;
  }

  /* Section headers */
  .section-badge {
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
  }

  .section-description {
    font-size: 1rem;
  }

  /* Cards padding */
  .pillar-card,
  .feature-card,
  .mission-card,
  .origin-card,
  .resource-card,
  .principle-card,
  .step-card {
    padding: var(--spacing-md);
  }

  /* Page hero */
  .page-hero {
    padding: calc(var(--header-height) + var(--spacing-lg)) 0 var(--spacing-lg);
  }

  .page-hero h1 {
    font-size: clamp(1.5rem, 6vw, 2rem);
  }

  .page-hero p {
    font-size: 1rem;
  }
}

/* Very small screens (360px and below) */
@media (max-width: 360px) {
  html {
    font-size: 14px;
  }

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

  .hero-title {
    font-size: 1.75rem;
  }

  .logo-text .en {
    display: none;
  }
}

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

:focus-visible {
  outline: 2px solid var(--primary-purple);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-vibrant);
  color: white;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  z-index: 9999;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--spacing-sm);
}

/* Disable body scroll when mobile menu is open */
body.menu-open {
  overflow: hidden;
}

@media (prefers-reduced-motion: reduce) {

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

  html {
    scroll-behavior: auto;
  }
}

/* High contrast mode */
@media (prefers-contrast: high) {
  :root {
    --border-light: rgba(0, 0, 0, 0.5);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 10px rgba(0, 0, 0, 0.3);
  }
}