/* ============================================
   FLUO - Dopamine Pop Design System
   ============================================ */

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800;900&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* ============================================
   CSS Variables & Theme
   ============================================ */
:root {
  /* Core Brand Colors */
  --coral: #FF6B35;
  --coral-light: #FF8A5C;
  --coral-dark: #E85A28;
  --teal: #00B4A8;
  --teal-light: #2DD4C8;
  --teal-dark: #009B90;
  --brown: #2D1810;
  --brown-light: #4A3228;

  /* Extended Palette */
  --cream: #FFF8F0;
  --cream-dark: #F5EDE3;
  --white: #FFFFFF;
  --black: #1A1A1A;

  /* Accent Colors */
  --yellow: #FFD93D;
  --pink: #FF6B9D;
  --purple: #9B5DE5;

  /* Typography */
  --font-display: 'Outfit', sans-serif;
  --font-body: 'Space Grotesk', sans-serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 5rem;
  --space-3xl: 8rem;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(45, 24, 16, 0.08);
  --shadow-md: 0 8px 24px rgba(45, 24, 16, 0.12);
  --shadow-lg: 0 16px 48px rgba(45, 24, 16, 0.16);
  --shadow-glow-coral: 0 8px 32px rgba(255, 107, 53, 0.4);
  --shadow-glow-teal: 0 8px 32px rgba(0, 180, 168, 0.4);

  /* Transitions */
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --duration-fast: 150ms;
  --duration-normal: 300ms;
  --duration-slow: 500ms;
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--cream);
  color: var(--brown);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* Grain Texture Overlay */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  opacity: 0.03;
  pointer-events: none;
  z-index: 9999;
}

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

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

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

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 8vw, 5rem);
}

h2 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
  font-size: clamp(1rem, 1.5vw, 1.125rem);
}

.text-gradient {
  background: linear-gradient(135deg, var(--coral) 0%, var(--teal) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-coral { color: var(--coral); }
.text-teal { color: var(--teal); }
.text-brown { color: var(--brown); }

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

.section {
  padding: var(--space-3xl) 0;
  position: relative;
}

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.items-center {
  align-items: center;
}

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

.justify-between {
  justify-content: space-between;
}

.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }

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

/* ============================================
   Navigation
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-md) 0;
  transition: background var(--duration-normal) var(--ease-smooth),
              backdrop-filter var(--duration-normal) var(--ease-smooth);
}

.nav.scrolled {
  background: rgba(255, 248, 240, 0.9);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-sm);
}

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

.logo {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 900;
  color: var(--teal);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  transition: transform var(--duration-normal) var(--ease-bounce);
}

.logo:hover {
  transform: scale(1.05);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--coral);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-link {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  color: var(--brown);
  position: relative;
  padding: var(--space-xs) 0;
  transition: color var(--duration-fast) var(--ease-smooth);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--coral);
  border-radius: var(--radius-full);
  transition: width var(--duration-normal) var(--ease-bounce);
}

.nav-link:hover {
  color: var(--coral);
}

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

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-xs);
}

.mobile-menu-btn span {
  width: 24px;
  height: 3px;
  background: var(--brown);
  border-radius: var(--radius-full);
  transition: all var(--duration-normal) var(--ease-smooth);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.125rem;
  border-radius: var(--radius-full);
  transition: all var(--duration-normal) var(--ease-bounce);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-smooth);
}

.btn:hover::before {
  opacity: 1;
}

.btn-primary {
  background: var(--coral);
  color: var(--white);
  box-shadow: var(--shadow-glow-coral);
}

.btn-primary:hover {
  background: var(--coral-dark);
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 12px 40px rgba(255, 107, 53, 0.5);
}

.btn-primary:active {
  transform: translateY(-2px) scale(1);
}

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

.btn-secondary:hover {
  background: var(--teal-dark);
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 12px 40px rgba(0, 180, 168, 0.5);
}

.btn-outline {
  background: transparent;
  color: var(--coral);
  border: 3px solid var(--coral);
}

.btn-outline:hover {
  background: var(--coral);
  color: var(--white);
  transform: translateY(-4px) scale(1.02);
}

.btn-sm {
  padding: var(--space-sm) var(--space-lg);
  font-size: 1rem;
}

.btn-lg {
  padding: var(--space-lg) var(--space-2xl);
  font-size: 1.25rem;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: 100px;
  overflow: hidden;
}

/* Animated Background Blobs */
.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: -1;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.6;
  animation: float 20s ease-in-out infinite;
}

.blob-1 {
  width: 600px;
  height: 600px;
  background: var(--coral);
  top: -200px;
  right: -200px;
  animation-delay: 0s;
}

.blob-2 {
  width: 400px;
  height: 400px;
  background: var(--teal);
  bottom: -100px;
  left: -100px;
  animation-delay: -5s;
}

.blob-3 {
  width: 300px;
  height: 300px;
  background: var(--yellow);
  top: 50%;
  left: 50%;
  animation-delay: -10s;
}

@keyframes float {
  0%, 100% {
    transform: translate(0, 0) rotate(0deg);
  }
  25% {
    transform: translate(50px, -50px) rotate(90deg);
  }
  50% {
    transform: translate(0, 50px) rotate(180deg);
  }
  75% {
    transform: translate(-50px, -25px) rotate(270deg);
  }
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.hero-text {
  animation: slideInLeft 1s var(--ease-bounce);
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-60px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  background: var(--white);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--coral);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--space-lg);
  animation: bounceIn 0.6s var(--ease-bounce) 0.3s both;
}

@keyframes bounceIn {
  from {
    opacity: 0;
    transform: scale(0.5);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

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

@keyframes pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.5;
    transform: scale(1.2);
  }
}

.hero h1 {
  margin-bottom: var(--space-lg);
}

.hero-headline-accent {
  display: block;
  color: var(--coral);
  position: relative;
}

.hero-headline-accent::after {
  content: '';
  position: absolute;
  bottom: 0.1em;
  left: 0;
  right: 0;
  height: 0.15em;
  background: var(--yellow);
  z-index: -1;
  transform: skewX(-5deg);
}

.hero-subheadline {
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  color: var(--brown-light);
  margin-bottom: var(--space-xl);
  max-width: 500px;
}

.hero-cta {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  animation: slideUp 1s var(--ease-bounce) 0.5s both;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Phone Mockup */
.hero-visual {
  position: relative;
  animation: slideInRight 1s var(--ease-bounce) 0.3s both;
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(60px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.phone-mockup {
  position: relative;
  width: 300px;
  height: 620px;
  background: var(--brown);
  border-radius: 50px;
  padding: 12px;
  box-shadow: var(--shadow-lg), 0 0 0 2px var(--brown-light);
  margin: 0 auto;
  transform: rotate(3deg);
  transition: transform var(--duration-slow) var(--ease-bounce);
}

.phone-mockup:hover {
  transform: rotate(0deg) scale(1.02);
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, #1a1a2e 0%, #16213e 100%);
  border-radius: 40px;
  overflow: hidden;
  position: relative;
}

.phone-notch {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 28px;
  background: var(--brown);
  border-radius: var(--radius-full);
  z-index: 10;
}

.phone-content {
  height: 100%;
  display: flex;
  flex-direction: column;
  padding-top: 50px;
}

/* Video Cards inside Phone */
.video-card {
  flex: 1;
  margin: 8px;
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  animation: cardScroll 8s ease-in-out infinite;
}

@keyframes cardScroll {
  0%, 100% {
    transform: translateY(0);
  }
  30%, 50% {
    transform: translateY(-5%);
  }
  80% {
    transform: translateY(5%);
  }
}

.video-card-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--coral) 0%, var(--pink) 100%);
}

.video-card-content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: var(--white);
  text-align: center;
  padding: var(--space-lg);
}

.chinese-char {
  font-size: 5rem;
  font-weight: 900;
  margin-bottom: var(--space-sm);
  text-shadow: 0 4px 20px rgba(0,0,0,0.3);
  animation: charPop 4s ease-in-out infinite;
}

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

.pinyin {
  font-size: 1.25rem;
  font-weight: 600;
  opacity: 0.9;
  margin-bottom: var(--space-xs);
}

.translation {
  font-size: 1rem;
  opacity: 0.8;
}

.video-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: rgba(255,255,255,0.3);
}

.video-progress-bar {
  height: 100%;
  background: var(--white);
  width: 60%;
  animation: progress 8s ease-in-out infinite;
}

@keyframes progress {
  0% { width: 0; }
  100% { width: 100%; }
}

/* Floating Elements */
.floating-chars {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.floating-char {
  position: absolute;
  font-size: 2rem;
  font-weight: 700;
  opacity: 0.15;
  animation: floatChar 15s ease-in-out infinite;
}

.floating-char:nth-child(1) {
  top: 10%;
  left: 10%;
  animation-delay: 0s;
  color: var(--coral);
}

.floating-char:nth-child(2) {
  top: 20%;
  right: 15%;
  animation-delay: -3s;
  color: var(--teal);
}

.floating-char:nth-child(3) {
  bottom: 30%;
  left: 5%;
  animation-delay: -6s;
  color: var(--yellow);
}

.floating-char:nth-child(4) {
  bottom: 10%;
  right: 10%;
  animation-delay: -9s;
  color: var(--pink);
}

@keyframes floatChar {
  0%, 100% {
    transform: translate(0, 0) rotate(0deg);
  }
  25% {
    transform: translate(20px, -30px) rotate(10deg);
  }
  50% {
    transform: translate(-10px, 20px) rotate(-5deg);
  }
  75% {
    transform: translate(30px, 10px) rotate(15deg);
  }
}

/* ============================================
   Features Section
   ============================================ */
.features {
  background: var(--white);
  position: relative;
}

.features::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 150px;
  background: linear-gradient(180deg, var(--cream) 0%, var(--white) 100%);
}

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

.section-label {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--teal);
  margin-bottom: var(--space-md);
}

.section-title {
  margin-bottom: var(--space-md);
}

.section-subtitle {
  color: var(--brown-light);
  font-size: 1.125rem;
}

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

.feature-card {
  background: var(--cream);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  position: relative;
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-bounce);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--coral) 0%, var(--teal) 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-normal) var(--ease-smooth);
}

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

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-icon {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin-bottom: var(--space-lg);
  transition: transform var(--duration-normal) var(--ease-bounce);
}

.feature-card:hover .feature-icon {
  transform: scale(1.1) rotate(-5deg);
}

.feature-icon-video {
  background: linear-gradient(135deg, var(--coral) 0%, var(--pink) 100%);
}

.feature-icon-brain {
  background: linear-gradient(135deg, var(--teal) 0%, var(--teal-light) 100%);
}

.feature-icon-science {
  background: linear-gradient(135deg, var(--purple) 0%, var(--pink) 100%);
}

.feature-card h3 {
  margin-bottom: var(--space-sm);
  font-size: 1.5rem;
}

.feature-card p {
  color: var(--brown-light);
  line-height: 1.7;
}

/* ============================================
   How It Works Section
   ============================================ */
.how-it-works {
  background: linear-gradient(180deg, var(--white) 0%, var(--cream) 100%);
  position: relative;
  overflow: hidden;
}

.steps-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  position: relative;
}

.steps-container::before {
  content: '';
  position: absolute;
  top: 60px;
  left: 15%;
  right: 15%;
  height: 4px;
  background: linear-gradient(90deg, var(--coral), var(--teal), var(--purple));
  border-radius: var(--radius-full);
  z-index: 0;
}

.step {
  text-align: center;
  position: relative;
  z-index: 1;
}

.step-number {
  width: 120px;
  height: 120px;
  margin: 0 auto var(--space-lg);
  background: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 900;
  color: var(--coral);
  box-shadow: var(--shadow-md);
  position: relative;
  transition: all var(--duration-normal) var(--ease-bounce);
}

.step:hover .step-number {
  transform: scale(1.1);
  box-shadow: var(--shadow-lg);
}

.step-number::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--coral), var(--teal));
  z-index: -1;
}

.step h3 {
  margin-bottom: var(--space-sm);
}

.step p {
  color: var(--brown-light);
  max-width: 280px;
  margin: 0 auto;
}

/* ============================================
   Testimonial / Quote Section
   ============================================ */
.quote-section {
  background: var(--brown);
  color: var(--white);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.quote-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 50%, var(--coral) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, var(--teal) 0%, transparent 50%);
  opacity: 0.15;
}

.quote-content {
  position: relative;
  z-index: 1;
}

.quote-marks {
  font-size: 8rem;
  font-family: Georgia, serif;
  color: var(--coral);
  line-height: 0.5;
  opacity: 0.5;
}

.quote-text {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 700;
  max-width: 800px;
  margin: var(--space-lg) auto;
  line-height: 1.4;
}

.quote-highlight {
  color: var(--yellow);
}

/* ============================================
   CTA Section
   ============================================ */
.cta-section {
  background: linear-gradient(135deg, var(--coral) 0%, var(--coral-dark) 100%);
  color: var(--white);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: var(--yellow);
  border-radius: 50%;
  opacity: 0.1;
}

.cta-section::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: var(--teal);
  border-radius: 50%;
  opacity: 0.1;
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta-section h2 {
  margin-bottom: var(--space-md);
}

.cta-section p {
  font-size: 1.25rem;
  opacity: 0.9;
  max-width: 500px;
  margin: 0 auto var(--space-xl);
}

.cta-section .btn-primary {
  background: var(--white);
  color: var(--coral);
  box-shadow: var(--shadow-lg);
}

.cta-section .btn-primary:hover {
  background: var(--cream);
  transform: translateY(-4px) scale(1.05);
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--brown);
  color: var(--white);
  padding: var(--space-2xl) 0 var(--space-lg);
}

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

.footer-brand {
  max-width: 300px;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 900;
  color: var(--teal);
  margin-bottom: var(--space-md);
}

.footer-brand p {
  opacity: 0.7;
  line-height: 1.7;
}

.footer-column h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: var(--coral);
}

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

.footer-links li {
  margin-bottom: var(--space-sm);
}

.footer-links a {
  opacity: 0.7;
  transition: all var(--duration-fast) var(--ease-smooth);
}

.footer-links a:hover {
  opacity: 1;
  color: var(--teal);
}

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

.social-link {
  width: 44px;
  height: 44px;
  background: var(--brown-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  transition: all var(--duration-normal) var(--ease-bounce);
}

.social-link:hover {
  background: var(--coral);
  transform: translateY(-4px);
}

.footer-bottom {
  padding-top: var(--space-lg);
  border-top: 1px solid var(--brown-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
  opacity: 0.7;
  font-size: 0.875rem;
}

.footer-legal {
  display: flex;
  gap: var(--space-lg);
}

/* ============================================
   Forms (Signup & Contact Pages)
   ============================================ */
.form-page {
  min-height: 100vh;
  padding-top: 100px;
  display: flex;
  align-items: center;
}

.form-container {
  max-width: 600px;
  margin: 0 auto;
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.form-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 8px;
  background: linear-gradient(90deg, var(--coral), var(--teal));
}

.form-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.form-header h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: var(--space-sm);
}

.form-header p {
  color: var(--brown-light);
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  margin-bottom: var(--space-xs);
  color: var(--brown);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-md);
  font-family: var(--font-body);
  font-size: 1rem;
  border: 2px solid var(--cream-dark);
  border-radius: var(--radius-md);
  background: var(--cream);
  color: var(--brown);
  transition: all var(--duration-fast) var(--ease-smooth);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--coral);
  background: var(--white);
  box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.1);
}

.form-input::placeholder {
  color: var(--brown-light);
  opacity: 0.6;
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%232D1810' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 1.25rem;
  cursor: pointer;
}

.form-submit {
  width: 100%;
  margin-top: var(--space-md);
}

.form-note {
  text-align: center;
  font-size: 0.875rem;
  color: var(--brown-light);
  margin-top: var(--space-md);
}

/* Mascot Placeholder */
.mascot-placeholder {
  width: 120px;
  height: 120px;
  background: linear-gradient(135deg, var(--coral) 0%, var(--coral-light) 100%);
  border-radius: 50%;
  margin: 0 auto var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  box-shadow: var(--shadow-md);
  position: relative;
}

.mascot-placeholder::after {
  content: 'Mascot';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--brown);
  color: var(--white);
  font-size: 0.625rem;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-family: var(--font-display);
  font-weight: 600;
}

/* ============================================
   Contact Page Specifics
   ============================================ */
.contact-intro {
  text-align: center;
  padding: var(--space-2xl) 0;
}

.contact-intro h1 {
  margin-bottom: var(--space-md);
}

.contact-intro p {
  max-width: 600px;
  margin: 0 auto;
  color: var(--brown-light);
  font-size: 1.125rem;
}

.roles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
  margin: var(--space-xl) 0;
}

.role-tag {
  background: var(--cream);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  text-align: center;
  font-weight: 600;
  border: 2px solid transparent;
  transition: all var(--duration-normal) var(--ease-bounce);
  cursor: default;
}

.role-tag:hover {
  border-color: var(--coral);
  transform: translateY(-4px);
}

/* ============================================
   Success State
   ============================================ */
.success-message {
  display: none;
  text-align: center;
  padding: var(--space-2xl);
}

.success-message.show {
  display: block;
  animation: scaleIn 0.5s var(--ease-bounce);
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.success-icon {
  width: 100px;
  height: 100px;
  background: linear-gradient(135deg, var(--teal) 0%, var(--teal-light) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-lg);
  font-size: 3rem;
}

.success-message h2 {
  margin-bottom: var(--space-sm);
  color: var(--teal);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-text {
    order: 1;
  }

  .hero-visual {
    order: 0;
  }

  .hero-subheadline {
    margin: 0 auto var(--space-xl);
  }

  .hero-cta {
    justify-content: center;
  }

  .phone-mockup {
    width: 260px;
    height: 540px;
    transform: rotate(0);
  }

  .features-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }

  .steps-container {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

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

  .footer-content {
    grid-template-columns: 1fr 1fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
    max-width: none;
    text-align: center;
    margin-bottom: var(--space-lg);
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }

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

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-brand {
    margin-bottom: var(--space-xl);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
  }

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

  .form-container {
    margin: var(--space-lg);
    padding: var(--space-xl);
  }
}

@media (max-width: 480px) {
  :root {
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
  }

  .btn {
    width: 100%;
  }

  .hero-cta {
    flex-direction: column;
  }

  .phone-mockup {
    width: 220px;
    height: 460px;
  }

  .chinese-char {
    font-size: 3.5rem;
  }
}

/* ============================================
   Animations on Scroll (JS will add .visible)
   ============================================ */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s var(--ease-smooth);
}

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

.animate-on-scroll:nth-child(1) { transition-delay: 0s; }
.animate-on-scroll:nth-child(2) { transition-delay: 0.1s; }
.animate-on-scroll:nth-child(3) { transition-delay: 0.2s; }
.animate-on-scroll:nth-child(4) { transition-delay: 0.3s; }

/* ============================================
   Mobile Menu (JS controlled)
   ============================================ */
.mobile-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 400px;
  height: 100vh;
  background: var(--white);
  z-index: 1001;
  padding: var(--space-2xl);
  transition: right var(--duration-normal) var(--ease-smooth);
  box-shadow: var(--shadow-lg);
}

.mobile-nav.open {
  right: 0;
}

.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  z-index: 1000;
  transition: all var(--duration-normal) var(--ease-smooth);
}

.mobile-nav-overlay.open {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-close {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--brown);
}

.mobile-nav-links {
  list-style: none;
  margin-top: var(--space-2xl);
}

.mobile-nav-links li {
  margin-bottom: var(--space-lg);
}

.mobile-nav-links a {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--brown);
  display: block;
  padding: var(--space-sm) 0;
  border-bottom: 2px solid var(--cream);
  transition: all var(--duration-fast) var(--ease-smooth);
}

.mobile-nav-links a:hover {
  color: var(--coral);
  border-color: var(--coral);
}