/* ============================================
   BebTak Landing Page — Design System Tokens
   ============================================ */

:root {
  /* Colors — Light */
  --color-primary: #3B918D;
  --color-primary-dark: #2E736F;
  --color-primary-light: #E0F2F1;
  --color-bg: #FDFBF7;
  --color-bg-secondary: #FFF5EC;
  --color-surface: #FFFFFF;
  --color-text-primary: #2D1B0E;
  --color-text-secondary: #4A3728;
  --color-text-tertiary: #624F42;
  --color-text-placeholder: #786F68;
  --color-border: #E6DEDB;
  --color-border-input: #9D9387;
  --color-divider: #F4F1F0;

  /* Activity Colors */
  --color-feeding: #FF7F50;
  --color-sleep: #4A6FA5;
  --color-diaper: #22635A;
  --color-nursing: #F472B6;
  --color-pumping: #A855F7;
  --color-growth: #3B918D;
  --color-doctor: #EE652B;
  --color-fever: #E63946;
  --color-teething: #0D9488;
  --color-music: #9947EB;

  /* Semantic */
  --color-star: #F59E0B;
  --color-success: #22C55E;

  /* Shadows */
  --shadow-soft: 0 10px 25px -5px rgba(139, 94, 60, 0.1), 0 8px 10px -6px rgba(139, 94, 60, 0.05);
  --shadow-soft-sm: 0 4px 6px -1px rgba(139, 94, 60, 0.08), 0 2px 4px -2px rgba(139, 94, 60, 0.05);
  --shadow-soft-lg: 0 12px 30px -10px rgba(139, 94, 60, 0.12);
  --shadow-primary: 0 8px 16px -4px rgba(59, 145, 141, 0.3);

  /* Spacing */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Typography */
  --font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;

  /* Z-index */
  --z-nav: 50;
  --z-overlay: 40;
}

/* Dark Theme */
[data-theme="dark"] {
  --color-bg: #1A1512;
  --color-bg-secondary: #221A14;
  --color-surface: #2D2420;
  --color-text-primary: #FFFFFF;
  --color-text-secondary: #E0D5CC;
  --color-text-tertiary: #BFB0A1;
  --color-text-placeholder: #BAB0A6;
  --color-border: #4D4038;
  --color-border-input: #766D68;
  --color-divider: #453C35;

  --shadow-soft: 0 10px 25px -5px rgba(0, 0, 0, 0.3), 0 8px 10px -6px rgba(0, 0, 0, 0.2);
  --shadow-soft-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.25), 0 2px 4px -2px rgba(0, 0, 0, 0.15);
  --shadow-soft-lg: 0 12px 30px -10px rgba(0, 0, 0, 0.35);
}

/* ============================================
   Reset & Base
   ============================================ */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.5;
  color: var(--color-text-primary);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }

/* Skip Link */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary);
  color: white;
  border-radius: var(--radius-sm);
  z-index: 100;
  font-weight: 600;
}
.skip-link:focus {
  top: var(--space-4);
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

@media (min-width: 768px) {
  .container { padding: 0 var(--space-8); }
}

/* ============================================
   Navigation
   ============================================ */

.nav {
  position: fixed;
  top: var(--space-3);
  left: var(--space-3);
  right: var(--space-3);
  z-index: var(--z-nav);
  background: rgba(253, 251, 247, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

[data-theme="dark"] .nav {
  background: rgba(26, 21, 18, 0.85);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
  padding: 0 var(--space-5);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
}

.nav__logo-text {
  font-size: 20px;
  font-weight: 800;
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
}

.nav__links {
  display: none;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .nav__links {
    display: flex;
  }
}

.nav__link {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-secondary);
  transition: color 0.2s ease;
  cursor: pointer;
}

.nav__link:hover,
.nav__link:focus-visible {
  color: var(--color-primary);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.lang-toggle,
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  color: var(--color-text-secondary);
  transition: background-color 0.2s ease, color 0.2s ease;
  cursor: pointer;
}

.lang-toggle:hover,
.theme-toggle:hover {
  background-color: var(--color-divider);
  color: var(--color-text-primary);
}

.lang-toggle__label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.theme-toggle__icon--dark { display: none; }
[data-theme="dark"] .theme-toggle__icon--light { display: none; }
[data-theme="dark"] .theme-toggle__icon--dark { display: block; }

.nav__menu-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  color: var(--color-text-secondary);
  cursor: pointer;
}

@media (min-width: 768px) {
  .nav__menu-btn { display: none; }
}

/* Mobile menu */
.nav__links--open {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: calc(100% + var(--space-2));
  left: 0;
  right: 0;
  padding: var(--space-4);
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
  gap: var(--space-1);
  z-index: var(--z-overlay);
}

.nav__links--open .nav__link {
  display: block;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: 16px;
}

.nav__links--open .nav__link:hover {
  background-color: var(--color-divider);
}

/* ============================================
   Buttons
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-weight: 700;
  border-radius: var(--radius-lg);
  transition: all 0.2s ease;
  cursor: pointer;
  white-space: nowrap;
}

.btn--lg {
  padding: var(--space-4) var(--space-6);
  font-size: 16px;
  height: 56px;
}

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

.btn--primary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 12px 20px -4px rgba(59, 145, 141, 0.35);
}

.btn--primary:active {
  transform: translateY(0);
}

.btn--outline {
  background: transparent;
  color: var(--color-text-primary);
  border: 2px solid var(--color-border);
}

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

.btn--premium {
  background: linear-gradient(135deg, var(--color-primary), #2E736F, #22635A);
  color: white;
  box-shadow: 0 8px 24px -4px rgba(59, 145, 141, 0.4);
  position: relative;
  overflow: hidden;
}

.btn--premium::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent);
  pointer-events: none;
}

.btn--premium:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px -4px rgba(59, 145, 141, 0.5);
}

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

/* ============================================
   Section Header
   ============================================ */

.section-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

[data-theme="dark"] .section-label {
  background: rgba(59, 145, 141, 0.15);
}

.section-title {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}

@media (min-width: 768px) {
  .section-title { font-size: 36px; }
}

.section-subtitle {
  font-size: 16px;
  color: var(--color-text-secondary);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.6;
}

@media (min-width: 768px) {
  .section-subtitle { font-size: 18px; }
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
  padding: calc(80px + var(--space-12)) 0 var(--space-16);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(59, 145, 141, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: center;
}

@media (min-width: 768px) {
  .hero__inner {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
  }
  .hero {
    padding: calc(80px + var(--space-16)) 0 var(--space-20);
  }
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-6);
}

[data-theme="dark"] .hero__badge {
  background: rgba(59, 145, 141, 0.15);
}

.hero__title {
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

@media (min-width: 768px) {
  .hero__title { font-size: 48px; }
}

@media (min-width: 1024px) {
  .hero__title { font-size: 56px; }
}

.hero__subtitle {
  font-size: 17px;
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-8);
  max-width: 480px;
}

@media (min-width: 768px) {
  .hero__subtitle { font-size: 18px; }
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}

.hero__stats {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.hero__stat {
  text-align: center;
}

.hero__stat-value {
  display: block;
  font-size: 24px;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

.hero__stat-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-tertiary);
  white-space: nowrap;
}

.hero__stat-divider {
  width: 1px;
  height: 32px;
  background: var(--color-border);
}

/* Hero Visual */
.hero__visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero__phone {
  position: relative;
  z-index: 2;
}

.hero__phone-frame {
  width: 260px;
  height: 520px;
  background: var(--color-surface);
  border-radius: 36px;
  border: 4px solid var(--color-border);
  box-shadow: var(--shadow-soft-lg);
  overflow: hidden;
  position: relative;
}

@media (min-width: 768px) {
  .hero__phone-frame {
    width: 300px;
    height: 600px;
  }
}

.hero__phone-screen {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-secondary) 100%);
}

.hero__phone-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text-placeholder);
  font-size: 13px;
  font-weight: 500;
}

.hero__glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(59, 145, 141, 0.12) 0%, transparent 70%);
  pointer-events: none;
  z-index: 1;
}

/* ============================================
   Features Section
   ============================================ */

.features {
  padding: var(--space-16) 0;
  background: var(--color-bg);
}

.features__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

@media (min-width: 640px) {
  .features__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .features__grid { grid-template-columns: repeat(3, 1fr); }
}

.feature-card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  cursor: default;
}

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

.feature-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--icon-bg);
  color: var(--icon-color);
  margin-bottom: var(--space-4);
}

[data-theme="dark"] .feature-card__icon {
  background: color-mix(in srgb, var(--icon-color) 15%, transparent);
}

.feature-card__title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.feature-card__desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-text-secondary);
}

/* ============================================
   How It Works Section
   ============================================ */

.how-it-works {
  padding: var(--space-16) 0;
  background: var(--color-bg-secondary);
}

[data-theme="dark"] .how-it-works {
  background: var(--color-bg-secondary);
}

.steps {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  max-width: 480px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .steps {
    flex-direction: row;
    align-items: flex-start;
    max-width: 100%;
    gap: 0;
  }
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  flex: 1;
  padding: 0 var(--space-4);
}

.step__number {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 800;
  margin-bottom: var(--space-4);
  box-shadow: var(--shadow-primary);
}

.step__title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.step__desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-text-secondary);
}

.step__connector {
  width: 2px;
  height: 32px;
  background: var(--color-border);
  flex-shrink: 0;
}

@media (min-width: 768px) {
  .step__connector {
    width: 100%;
    max-width: 80px;
    height: 2px;
    margin-top: 28px;
  }
}

/* ============================================
   Premium Section
   ============================================ */

.premium {
  padding: var(--space-16) 0;
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-primary-light) 50%, var(--color-bg) 100%);
}

[data-theme="dark"] .premium {
  background: linear-gradient(180deg, var(--color-bg) 0%, rgba(59, 145, 141, 0.08) 50%, var(--color-bg) 100%);
}

.premium__glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(59, 145, 141, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

[data-theme="dark"] .premium__glow {
  background: radial-gradient(ellipse, rgba(59, 145, 141, 0.06) 0%, transparent 70%);
}

.section-label--premium {
  background: linear-gradient(135deg, var(--color-primary), #2E736F);
  color: white;
}

.premium__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-10);
}

@media (min-width: 640px) {
  .premium__grid { grid-template-columns: repeat(2, 1fr); }
}

.premium-card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.premium-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), #2E736F, var(--color-teething));
}

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

.premium-card__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
}

[data-theme="dark"] .premium-card__icon {
  background: rgba(59, 145, 141, 0.15);
}

.premium-card__title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.premium-card__desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-text-secondary);
}

.premium__cta {
  text-align: center;
}

.premium__cta-note {
  margin-top: var(--space-3);
  font-size: 13px;
  color: var(--color-text-tertiary);
}

/* ============================================
   Testimonials Section
   ============================================ */

.testimonials {
  padding: var(--space-16) 0;
  background: var(--color-bg-secondary);
}

[data-theme="dark"] .testimonials {
  background: var(--color-bg-secondary);
}

.testimonials__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

@media (min-width: 768px) {
  .testimonials__grid { grid-template-columns: repeat(3, 1fr); }
}

.testimonial-card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.testimonial-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft-sm);
}

.testimonial-card__stars {
  display: flex;
  gap: 2px;
}

.testimonial-card__quote {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-secondary);
  font-style: normal;
  flex: 1;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.testimonial-card__avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--avatar-bg);
  color: var(--avatar-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  flex-shrink: 0;
}

.testimonial-card__name {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-text-primary);
}

.testimonial-card__role {
  font-size: 12px;
  color: var(--color-text-tertiary);
}

/* ============================================
   Download CTA Section
   ============================================ */

.download {
  padding: var(--space-16) 0;
}

.download__inner {
  background: linear-gradient(135deg, var(--color-primary), #2E736F);
  border-radius: var(--radius-xl);
  padding: var(--space-10) var(--space-6);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: center;
  position: relative;
  overflow: hidden;
}

.download__inner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(255,255,255,0.1), transparent 60%);
  pointer-events: none;
}

@media (min-width: 768px) {
  .download__inner {
    grid-template-columns: 1fr auto;
    padding: var(--space-12) var(--space-10);
  }
}

.download__title {
  font-size: 28px;
  font-weight: 800;
  color: white;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-3);
}

@media (min-width: 768px) {
  .download__title { font-size: 36px; }
}

.download__subtitle {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.6;
  margin-bottom: var(--space-6);
  max-width: 480px;
}

.download__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.app-store-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-5);
  color: white;
  transition: background-color 0.2s ease, transform 0.2s ease;
  cursor: pointer;
}

.app-store-btn:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: translateY(-1px);
}

.app-store-btn__label {
  display: block;
  font-size: 11px;
  font-weight: 500;
  opacity: 0.8;
  line-height: 1;
}

.app-store-btn__store {
  display: block;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.2;
}

.download__note {
  margin-top: var(--space-4);
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
}

/* Download phone */
.download__visual {
  display: none;
  justify-content: center;
}

@media (min-width: 768px) {
  .download__visual { display: flex; }
}

.download__phone-frame {
  width: 200px;
  height: 400px;
  background: white;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.3);
}

.download__phone-screen {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, #FDFBF7 0%, #FFF5EC 100%);
}

/* ============================================
   Footer
   ============================================ */

.footer {
  padding: var(--space-12) 0 var(--space-6);
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-divider);
}

[data-theme="dark"] .footer {
  background: var(--color-bg-secondary);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

@media (min-width: 768px) {
  .footer__inner {
    grid-template-columns: 1.5fr 2fr;
  }
}

.footer__tagline {
  margin-top: var(--space-3);
  font-size: 14px;
  color: var(--color-text-tertiary);
  max-width: 280px;
}

.footer__links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

@media (min-width: 640px) {
  .footer__links { grid-template-columns: repeat(3, 1fr); }
}

.footer__heading {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}

.footer__link {
  display: block;
  font-size: 14px;
  color: var(--color-text-secondary);
  padding: var(--space-1) 0;
  transition: color 0.2s ease;
  cursor: pointer;
}

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

.footer__bottom {
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
}

.footer__copyright {
  font-size: 13px;
  color: var(--color-text-tertiary);
  text-align: center;
}

/* ============================================
   Animations
   ============================================ */

[data-animate] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

[data-animate="fade-left"] {
  transform: translateX(24px);
}

[data-animate].is-visible {
  opacity: 1;
  transform: none;
}

/* Stagger delays */
[data-delay="100"] { transition-delay: 0.1s; }
[data-delay="150"] { transition-delay: 0.15s; }
[data-delay="200"] { transition-delay: 0.2s; }
[data-delay="300"] { transition-delay: 0.3s; }
[data-delay="400"] { transition-delay: 0.4s; }
[data-delay="500"] { transition-delay: 0.5s; }