/* ============================================================
   Flybai Landing Page — Material 3 Design System
   ============================================================ */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

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

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

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

ul, ol {
  list-style: none;
}

/* ---------- Design Tokens (Material 3) ---------- */
:root {
  /* Primary */
  --md-sys-color-primary: #006684;
  --md-sys-color-on-primary: #FFFFFF;
  --md-sys-color-primary-container: #BDE9FF;
  --md-sys-color-on-primary-container: #001F2A;

  /* Secondary */
  --md-sys-color-secondary: #4D616C;
  --md-sys-color-on-secondary: #FFFFFF;
  --md-sys-color-secondary-container: #D0E6F2;
  --md-sys-color-on-secondary-container: #081E27;

  /* Tertiary */
  --md-sys-color-tertiary: #346C8D;
  --md-sys-color-tertiary-container: #C7E7FF;

  /* Surface */
  --md-sys-color-surface: #F8FAFC;
  --md-sys-color-on-surface: #191C1E;
  --md-sys-color-surface-variant: #DDE4E8;
  --md-sys-color-on-surface-variant: #41484D;
  --md-sys-color-surface-container: #F0F4F7;
  --md-sys-color-surface-container-low: #F4F8FB;
  --md-sys-color-surface-container-high: #E8EEF2;
  --md-sys-color-surface-container-highest: #E2E9EF;
  --md-sys-color-surface-bright: #F8FAFC;
  --md-sys-color-surface-dim: #D8DEE3;
  --md-sys-color-inverse-surface: #2E3133;
  --md-sys-color-inverse-on-surface: #EFF1F4;

  /* Outline */
  --md-sys-color-outline: #71787D;
  --md-sys-color-outline-variant: #C1C7CC;

  /* Error */
  --md-sys-color-error: #BA1A1A;
  --md-sys-color-on-error: #FFFFFF;
  --md-sys-color-error-container: #FFDAD6;

  /* Gradients */
  --flybai-gradient: linear-gradient(135deg, #FF8A71, #FF9E80, #E084AB, #6A7FD3);
  --flybai-gradient-subtle: linear-gradient(135deg, rgba(255,138,113,0.12), rgba(224,132,171,0.12), rgba(106,127,211,0.12));

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;

  /* Radius */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 28px;
  --radius-2xl: 32px;
  --radius-full: 999px;

  /* Shadows (Material 3 elevation) */
  --elevation-1: 0 1px 3px 1px rgba(0,0,0,0.07), 0 1px 2px 0 rgba(0,0,0,0.05);
  --elevation-2: 0 2px 6px 2px rgba(0,0,0,0.07), 0 1px 2px 0 rgba(0,0,0,0.05);
  --elevation-3: 0 4px 8px 3px rgba(0,0,0,0.07), 0 1px 3px 0 rgba(0,0,0,0.06);
  --elevation-4: 0 6px 10px 4px rgba(0,0,0,0.07), 0 2px 3px 0 rgba(0,0,0,0.06);
  --elevation-5: 0 8px 12px 6px rgba(0,0,0,0.07), 0 4px 4px 0 rgba(0,0,0,0.06);

  /* Motion */
  --duration-fast: 150ms;
  --duration-normal: 300ms;
  --duration-slow: 500ms;
  --easing-standard: cubic-bezier(0.2, 0, 0, 1);
  --easing-emphasized: cubic-bezier(0.2, 0, 0, 1);
  --easing-decelerate: cubic-bezier(0, 0, 0, 1);
  --easing-accelerate: cubic-bezier(0.3, 0, 1, 1);

  /* Layout */
  --content-max-width: 1200px;
  --nav-height: 64px;
}

/* ---------- Base ---------- */
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--md-sys-color-surface);
  color: var(--md-sys-color-on-surface);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
}

/* ---------- Typography Scale ---------- */
.text-display-lg {
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.text-display-md {
  font-size: 2.75rem;
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.015em;
}

.text-display-sm {
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.text-headline-lg {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.25;
}

.text-headline-md {
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.3;
}

.text-title-lg {
  font-size: 1.375rem;
  font-weight: 700;
  line-height: 1.35;
}

.text-title-md {
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.5;
}

.text-body-lg {
  font-size: 1.125rem;
  font-weight: 400;
  line-height: 1.65;
}

.text-body-md {
  font-size: 0.9375rem;
  font-weight: 400;
  line-height: 1.6;
}

.text-label-lg {
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.01em;
}

.text-label-sm {
  font-size: 0.6875rem;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ---------- Layout / Containers ---------- */
.container {
  width: 100%;
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

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

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  background: rgba(248, 250, 252, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--md-sys-color-outline-variant);
  transition: box-shadow var(--duration-normal) var(--easing-standard),
              background var(--duration-normal) var(--easing-standard);
}

.nav.scrolled {
  box-shadow: var(--elevation-2);
  background: rgba(248, 250, 252, 0.95);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.nav__logo {
  height: 28px;
  width: auto;
}

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

.nav__link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--md-sys-color-on-surface-variant);
  transition: color var(--duration-fast) var(--easing-standard);
  position: relative;
  padding-bottom: 2px;
}

.nav__link:hover,
.nav__link--active {
  color: var(--md-sys-color-primary);
}

.nav__link--active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--md-sys-color-primary);
  border-radius: 1px;
}

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

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-sm);
  z-index: 110;
}

.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--md-sys-color-on-surface);
  border-radius: 2px;
  transition: transform var(--duration-normal) var(--easing-standard),
              opacity var(--duration-fast) var(--easing-standard);
}

.nav__hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__hamburger.open span:nth-child(2) {
  opacity: 0;
}
.nav__hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile menu overlay */
.nav__mobile-menu {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: #FFFFFF;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding-top: var(--space-4xl);
  gap: var(--space-lg);
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  transform: translateY(-20px);
  transition: opacity var(--duration-normal) var(--easing-standard),
              transform var(--duration-normal) var(--easing-standard),
              visibility 0s linear var(--duration-normal);
}

.nav__mobile-menu.open {
  opacity: 1;
  pointer-events: auto;
  visibility: visible;
  transform: translateY(0);
  transition: opacity var(--duration-normal) var(--easing-standard),
              transform var(--duration-normal) var(--easing-standard),
              visibility 0s linear 0s;
}

.nav__mobile-link {
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--md-sys-color-on-surface);
  transition: color var(--duration-fast);
  padding: var(--space-md) var(--space-lg);
}

.nav__mobile-link:hover {
  color: var(--md-sys-color-primary);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--duration-normal) var(--easing-standard);
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.97);
}

.btn--primary {
  background: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary);
  padding: 10px 24px;
  font-size: 0.9375rem;
  box-shadow: var(--elevation-1);
}

.btn--primary:hover {
  box-shadow: var(--elevation-3);
  filter: brightness(1.08);
}

.btn--secondary {
  background: transparent;
  color: var(--md-sys-color-on-surface-variant);
  padding: 10px 20px;
  font-size: 0.9375rem;
}

.btn--secondary:hover {
  background: var(--md-sys-color-surface-container-high);
}

.btn--large {
  padding: 14px 32px;
  font-size: 1rem;
  border-radius: var(--radius-lg);
}

.btn--store {
  display: inline-flex;
  align-items: center;
  gap: var(--space-md);
  background: var(--md-sys-color-on-surface);
  color: var(--md-sys-color-surface);
  padding: 14px 28px;
  border-radius: var(--radius-lg);
  transition: transform var(--duration-normal) var(--easing-standard),
              box-shadow var(--duration-normal) var(--easing-standard);
}

.btn--store:hover {
  transform: translateY(-2px);
  box-shadow: var(--elevation-4);
}

.btn--store-icon {
  font-size: 1.75rem;
}

.store-icon-img {
  width: 28px;
  height: 28px;
  object-fit: contain;
  flex-shrink: 0;
}

.icon-white {
  filter: brightness(0) invert(1);
}

.btn--store-text {
  text-align: left;
}

.btn--store-label {
  display: block;
  font-size: 0.625rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0.7;
}

.btn--store-name {
  display: block;
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.2;
}

.btn--white {
  background: white;
  color: var(--md-sys-color-primary);
}

.btn--white:hover {
  background: rgba(255,255,255,0.92);
  box-shadow: var(--elevation-4);
}

.btn--ghost-white {
  background: rgba(255,255,255,0.1);
  color: white;
  border: 2px solid rgba(255,255,255,0.2);
}

.btn--ghost-white:hover {
  background: rgba(255,255,255,0.18);
}

/* ---------- Material Symbols ---------- */
.material-symbols-outlined {
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}

/* ---------- Hero Section ---------- */
.hero {
  position: relative;
  overflow: hidden;
}

.hero__bg {
  position: relative;
  z-index: 0;
}

.hero__bg img {
  width: 100%;
  height: auto;
  display: block;
}

.hero .container {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
}


.hero__content {
  position: relative;
  z-index: 10;
  max-width: 600px;
}

.hero__title {
  margin-bottom: var(--space-lg);
  color: #ffffff;
}

.hero__title-accent {
  color: var(--md-sys-color-primary-container);
}

.hero__subtitle {
  color: #ffffff;
  max-width: 480px;
  margin-bottom: var(--space-xl);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

/* ---------- Bento Feature Grid ---------- */
.bento {
  background: var(--md-sys-color-surface);
}

.bento__grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-lg);
}

.bento__card {
  border-radius: var(--radius-2xl);
  padding: var(--space-2xl);
  position: relative;
  overflow: hidden;
  transition: transform var(--duration-normal) var(--easing-standard),
              box-shadow var(--duration-normal) var(--easing-standard);
}

.bento__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--elevation-3);
}

.bento__card--sync {
  grid-column: span 7;
  background: rgba(189, 233, 255, 0.15);
  min-height: 380px;
  position: relative;
  overflow: hidden;
}

.bento__sync-content {
  position: relative;
  z-index: 1;
  max-width: 55%;
}

.bento__sync-image {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 397px;
  height: 219px;
  opacity: 1;
  overflow: hidden;
  border-top-left-radius: 30px;
  border-bottom-right-radius: 30px;
}

.bento__sync-image img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
  transition: transform var(--duration-slow) var(--easing-standard);
}

.bento__card:hover .bento__sync-image img {
  transform: scale(1.04);
}

.bento__card--track {
  grid-column: span 5;
  background: rgba(208, 230, 242, 0.35);
  position: relative;
  overflow: hidden;
}

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

.bento__track-image {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 280px;
  height: 229px;
  opacity: 1;
  overflow: hidden;
  border-bottom-right-radius: 30px;
}

.bento__track-image img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: top;
  transition: transform var(--duration-slow) var(--easing-standard);
}

.bento__card:hover .bento__track-image img {
  transform: scale(1.04);
}

.bento__card--trip {
  grid-column: span 12;
  background: var(--md-sys-color-surface-container-highest);
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
}

.bento__icon {
  font-size: 2.25rem;
  margin-bottom: var(--space-md);
}

.bento__icon--primary { color: var(--md-sys-color-primary); }
.bento__icon--secondary { color: var(--md-sys-color-secondary); }
.bento__icon--tertiary { color: var(--md-sys-color-tertiary); }

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

.bento__text {
  color: var(--md-sys-color-on-surface-variant);
  max-width: 420px;
}

/* Calendar card floating image */
.bento__card-image {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 60%;
  height: 60%;
  object-fit: cover;
  border-top-left-radius: var(--radius-2xl);
  transform: translateY(40px);
  transition: transform var(--duration-slow) var(--easing-standard);
}

.bento__card:hover .bento__card-image {
  transform: translateY(16px);
}

/* Trip card layout */
.bento__trip-content {
  flex: 1;
}

.bento__trip-image {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.bento__trip-image img {
  width: 100%;
  max-width: 600px;
  height: auto;
  display: block;
  border-radius: var(--radius-lg);
  transition: transform var(--duration-slow) var(--easing-standard);
}

.bento__card:hover .bento__trip-image img {
  transform: translateY(-6px);
}


.bento__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--md-sys-color-primary);
  font-weight: 700;
  margin-top: var(--space-xl);
  transition: gap var(--duration-normal) var(--easing-standard);
}

.bento__link:hover {
  gap: var(--space-md);
}

/* ---------- Destinations Grid ---------- */
.destinations {
  background: white;
}

.destinations__header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

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

.destinations__subtitle {
  color: var(--md-sys-color-on-surface-variant);
  max-width: 550px;
  margin: 0 auto;
}

.destinations__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
}

.dest-card {
  cursor: pointer;
  position: relative;
}

.dest-card__image-wrapper {
  position: relative;
  aspect-ratio: 3 / 4;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--space-md);
}

.dest-card__image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 700ms var(--easing-standard);
}

.dest-card:hover .dest-card__image-wrapper img {
  transform: scale(1.1);
}

.dest-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, transparent 50%);
}

.dest-card__info {
  position: absolute;
  bottom: var(--space-md);
  left: var(--space-md);
  color: white;
}

.dest-card__country {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  opacity: 0.8;
  margin-bottom: var(--space-xs);
}

.dest-card__name {
  font-size: 1.25rem;
  font-weight: 700;
}

/* ---------- Social Proof Section ---------- */
.social-proof {
  background: var(--md-sys-color-surface-container-low);
  overflow: hidden;
}

.social-proof__inner {
  display: flex;
  align-items: center;
  gap: var(--space-3xl);
}

.social-proof__content {
  flex: 1;
}

.social-proof__title {
  margin-bottom: var(--space-xl);
}

.social-proof__features {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.feature-item {
  display: flex;
  gap: var(--space-md);
}

.feature-item__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.feature-item__icon--primary {
  background: var(--md-sys-color-primary-container);
  color: var(--md-sys-color-primary);
}

.feature-item__icon--secondary {
  background: var(--md-sys-color-secondary-container);
  color: var(--md-sys-color-secondary);
}

.feature-item__title {
  margin-bottom: var(--space-sm);
}

.feature-item__text {
  color: var(--md-sys-color-on-surface-variant);
}

/* Glass card */
.social-proof__visual {
  flex: 1;
  position: relative;
}

.glass-card {
  position: relative;
  z-index: 10;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  box-shadow: var(--elevation-4);
  transform: rotate(2deg);
  transition: transform var(--duration-slow) var(--easing-standard);
}

.glass-card:hover {
  transform: rotate(0deg);
}

.glass-card img {
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  object-position: center;
  display: block;
}

.glass-card__footer {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.avatar-stack {
  display: flex;
}

.avatar-stack__img {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  border: 2px solid white;
  object-fit: cover;
  margin-left: -12px;
}

.avatar-stack__img:first-child {
  margin-left: 0;
}

.glass-card__label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--md-sys-color-on-surface-variant);
}

/* Decorative blurs */
.blur-circle {
  position: absolute;
  border-radius: var(--radius-full);
  filter: blur(60px);
  z-index: 0;
}

.blur-circle--primary {
  width: 256px;
  height: 256px;
  background: rgba(0,102,132,0.1);
  top: -40px;
  right: -40px;
}

.blur-circle--secondary {
  width: 256px;
  height: 256px;
  background: rgba(77,97,108,0.1);
  bottom: -40px;
  left: -40px;
}

/* ---------- CTA Section ---------- */
.cta {
  padding: var(--space-4xl) 0;
}

.cta__card {
  background: var(--md-sys-color-primary);
  border-radius: 40px;
  padding: var(--space-4xl) var(--space-2xl);
  text-align: center;
  color: white;
  position: relative;
  overflow: hidden;
}

.cta__bg {
  position: absolute;
  inset: 0;
  opacity: 0.08;
}

.cta__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cta__content {
  position: relative;
  z-index: 10;
}

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

.cta__subtitle {
  color: var(--md-sys-color-primary-container);
  max-width: 540px;
  margin: 0 auto var(--space-2xl);
}

.cta__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md);
}

/* ---------- Footer ---------- */
.footer {
  background: var(--md-sys-color-surface-container);
  border-top: 1px solid var(--md-sys-color-outline-variant);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-lg);
  flex-wrap: wrap;
  gap: var(--space-lg);
}

.footer__logo {
  height: 22px;
  width: auto;
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-xl);
}

.footer__link {
  font-size: 0.875rem;
  color: var(--md-sys-color-on-surface-variant);
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: color var(--duration-fast);
}

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

.footer__copy {
  font-size: 0.875rem;
  color: var(--md-sys-color-on-surface-variant);
  font-weight: 500;
}

/* ---------- Scroll Animations ---------- */
.animate-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--duration-slow) var(--easing-decelerate),
              transform var(--duration-slow) var(--easing-decelerate);
}

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

/* stagger children */
.animate-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--duration-slow) var(--easing-decelerate),
              transform var(--duration-slow) var(--easing-decelerate);
}

.animate-stagger.visible > *:nth-child(1) { transition-delay: 0ms; opacity: 1; transform: translateY(0); }
.animate-stagger.visible > *:nth-child(2) { transition-delay: 100ms; opacity: 1; transform: translateY(0); }
.animate-stagger.visible > *:nth-child(3) { transition-delay: 200ms; opacity: 1; transform: translateY(0); }
.animate-stagger.visible > *:nth-child(4) { transition-delay: 300ms; opacity: 1; transform: translateY(0); }
.animate-stagger.visible > *:nth-child(5) { transition-delay: 400ms; opacity: 1; transform: translateY(0); }
.animate-stagger.visible > *:nth-child(6) { transition-delay: 500ms; opacity: 1; transform: translateY(0); }

/* ---------- FAQ Section ---------- */
.faq {
  background: var(--md-sys-color-surface);
}

.faq__header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

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

.faq__subtitle {
  color: var(--md-sys-color-on-surface-variant);
  max-width: 620px;
  margin: 0 auto;
}

.faq__list {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.faq__item {
  background: var(--md-sys-color-surface-container-low);
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--duration-normal) var(--easing-standard),
              box-shadow var(--duration-normal) var(--easing-standard);
}

.faq__item[open] {
  border-color: var(--md-sys-color-primary);
  box-shadow: var(--elevation-1);
}

.faq__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-lg) var(--space-xl);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--md-sys-color-on-surface);
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.faq__question::-webkit-details-marker {
  display: none;
}

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

.faq__chevron {
  color: var(--md-sys-color-on-surface-variant);
  transition: transform var(--duration-normal) var(--easing-standard);
  flex-shrink: 0;
}

.faq__item[open] .faq__chevron {
  transform: rotate(180deg);
  color: var(--md-sys-color-primary);
}

.faq__answer {
  padding: 0 var(--space-xl) var(--space-lg);
  color: var(--md-sys-color-on-surface-variant);
  line-height: 1.6;
}

.faq__answer a {
  color: var(--md-sys-color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ---------- Responsive ---------- */

/* Tablet */
@media (max-width: 1024px) {
  .text-display-lg {
    font-size: 2.75rem;
  }

  .text-display-md {
    font-size: 2.25rem;
  }

  .bento__card--sync {
    grid-column: span 12;
  }

  .bento__card--track {
    grid-column: span 12;
  }

  .bento__card--trip {
    flex-direction: column;
  }

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

  .social-proof__inner {
    flex-direction: column;
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --nav-height: 56px;
  }

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

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

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

  .faq__answer {
    padding: 0 var(--space-lg) var(--space-md);
  }

  .nav__links,
  .nav__actions {
    display: none;
  }

  .nav__hamburger {
    display: flex;
  }


  .text-display-lg {
    font-size: 2.25rem;
    line-height: 1.12;
  }

  .text-display-md {
    font-size: 1.75rem;
    line-height: 1.18;
  }

  .text-display-sm {
    font-size: 1.5rem;
  }

  .text-headline-md {
    font-size: 1.5rem;
  }

  /* Hero mobile */
  .hero .container {
    align-items: flex-start;
    padding-top: calc(var(--nav-height) + var(--space-3xl));
  }

  .hero__content {
    max-width: 100%;
  }


  .hero__subtitle {
    max-width: 100%;
    font-size: 1rem;
  }

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn--store {
    justify-content: center;
    padding: 12px 24px;
  }

  /* Bento mobile */
  .bento__card {
    padding: var(--space-lg);
  }

  .bento__card--sync {
    min-height: auto;
  }

  .bento__sync-content {
    max-width: 100%;
  }

  .bento__sync-image {
    position: static;
    width: 100%;
    height: auto;
    aspect-ratio: 3 / 2;
    margin-top: var(--space-lg);
    border-radius: var(--radius-lg);
  }

  .bento__card:hover .bento__sync-image img {
    transform: none;
  }

  .bento__track-image {
    position: static;
    width: 100%;
    height: auto;
    aspect-ratio: 3 / 2;
    margin-top: var(--space-lg);
    border-radius: var(--radius-lg);
    border-bottom-right-radius: var(--radius-lg);
  }

  .bento__card:hover .bento__track-image img {
    transform: none;
  }

  .bento__card-image {
    position: relative;
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    transform: none;
    margin-top: var(--space-lg);
  }

  .bento__card:hover .bento__card-image {
    transform: none;
  }

  .bento__text {
    max-width: 100%;
  }

/* Destinations mobile - single column */
  .destinations__grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .dest-card__image-wrapper {
    aspect-ratio: 16 / 10;
  }

  /* Social proof mobile */
  .social-proof__inner {
    gap: var(--space-xl);
  }

  .glass-card {
    transform: none;
  }

  .glass-card:hover {
    transform: none;
  }

  .glass-card__footer {
    flex-wrap: wrap;
  }

  .avatar-stack__img {
    width: 32px;
    height: 32px;
    margin-left: -8px;
  }

  .glass-card__label {
    font-size: 0.8125rem;
  }

  .blur-circle {
    width: 160px;
    height: 160px;
  }

  /* CTA mobile */
  .cta__card {
    padding: var(--space-2xl) var(--space-lg);
    border-radius: var(--radius-2xl);
  }

  .cta__actions {
    flex-direction: column;
    align-items: stretch;
  }

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

  /* Footer mobile */
  .footer__inner {
    flex-direction: column;
    text-align: center;
    gap: var(--space-lg);
  }

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

/* Small mobile */
@media (max-width: 380px) {
  .text-display-lg {
    font-size: 1.875rem;
  }

  .text-display-md {
    font-size: 1.5rem;
  }

  .btn--store {
    padding: 10px 20px;
  }

  .btn--store-name {
    font-size: 1rem;
  }
}

/* ---------- Focus / Accessibility ---------- */
:focus-visible {
  outline: 2px solid var(--md-sys-color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-xs);
}

/* Respect reduced motion */
@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;
  }

  .animate-in {
    opacity: 1;
    transform: none;
  }

  .animate-stagger > * {
    opacity: 1;
    transform: none;
  }
}