/* Design tokens from Figma */
:root {
  --color-primary: #0d9488;
  --color-primary-dark: #0f766e;
  --color-emerald: #10b981;
  --color-indigo: #6366f1;
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-text: #0f172a;
  --color-text-muted: #475569;
  --color-text-light: #94a3b8;
  --color-border: #e2e8f0;
  --color-badge-bg: #f0fdfa;
  --color-star: #f59e0b;
  --shadow-sm: 0 4px 6px rgba(15, 23, 42, 0.02);
  --shadow-md: 0 4px 6px rgba(15, 23, 42, 0.03);
  --shadow-lg: 0 12px 12px rgba(15, 23, 42, 0.03);
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-pill: 100px;
  --container-max: 1280px;
  --header-height: 80px;
  --section-gap: 56px;
  --font: 'Inter', system-ui, -apple-system, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-muted);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

button,
input,
textarea {
  font: inherit;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 5rem);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo__mark {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  background: var(--color-primary);
  color: #fff;
  font-size: 1rem;
  font-weight: 800;
}

.logo__text {
  color: var(--color-text);
  font-size: 1rem;
  font-weight: 700;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.site-nav__link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color 0.2s;
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin-inline: auto;
  background: var(--color-text);
  border-radius: 1px;
  transition: transform 0.2s, opacity 0.2s;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, transform 0.15s;
}

.btn:active {
  transform: scale(0.98);
}

.btn--primary {
  background: var(--color-primary);
  color: #fff;
}

.btn--primary:hover {
  background: var(--color-primary-dark);
}

.btn--secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn--secondary:hover {
  border-color: var(--color-text-light);
}

/* Section shared */
.section-header {
  margin-bottom: 0;
}

.section-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  color: var(--color-text);
  line-height: 1.25;
}

.badge {
  display: inline-block;
  padding: 0.375rem 0.75rem;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-pill);
  background: var(--color-badge-bg);
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* Hero */
.hero {
  padding-block: clamp(3rem, 8vw, 7.5rem);
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

.hero__content {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  max-width: 620px;
}

.hero__title {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--color-text);
}

.hero__description {
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--color-text-muted);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero__mockup {
  display: flex;
  justify-content: center;
}

/* Phone mockup */
.phone {
  width: min(280px, 100%);
  height: 480px;
  padding: 12px;
  border: 4px solid var(--color-border);
  border-radius: 36px;
  background: var(--color-surface);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.phone__status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.phone__status-icons {
  display: flex;
  gap: 4px;
  align-items: center;
}

.phone__signal,
.phone__wifi,
.phone__battery {
  display: block;
  background: var(--color-text-muted);
  border-radius: 1px;
}

.phone__signal { width: 14px; height: 10px; clip-path: polygon(0 100%, 25% 40%, 50% 70%, 75% 20%, 100% 50%, 100% 100%); }
.phone__wifi { width: 14px; height: 10px; border-radius: 50% 50% 0 0; border: 2px solid var(--color-text-muted); border-bottom: none; background: transparent; }
.phone__battery { width: 20px; height: 10px; border: 1.5px solid var(--color-text-muted); border-radius: 2px; position: relative; background: transparent; }
.phone__battery::after { content: ''; position: absolute; inset: 2px; background: var(--color-text-muted); border-radius: 1px; }

.phone__body {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  flex: 1;
  margin-top: 1rem;
}

.phone__app-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.phone__app-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--color-primary);
  flex-shrink: 0;
}

.phone__app-lines {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
}

.phone__app-lines span {
  display: block;
  height: 6px;
  border-radius: 2px;
  background: var(--color-text-light);
}

.phone__app-lines span:first-child {
  width: 80px;
  height: 10px;
  background: var(--color-text);
}

.phone__chart-card {
  padding: 1rem;
  border-radius: var(--radius-xl);
  background: var(--color-bg);
}

.phone__chart-label {
  display: block;
  width: 60px;
  height: 8px;
  border-radius: 2px;
  background: var(--color-text-muted);
  margin-bottom: 0.75rem;
}

.phone__chart-bars {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 80px;
}

.phone__chart-bars span {
  flex: 1;
  height: var(--h);
  border-radius: 4px;
  background: var(--color-border);
}

.phone__chart-bars--active {
  background: var(--color-primary) !important;
}

.phone__list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.phone__list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px;
  border-radius: var(--radius-md);
  background: var(--color-bg);
}

.phone__list-item span {
  display: flex;
  align-items: center;
  gap: 8px;
}

.phone__list-item span::before {
  content: '';
  width: 16px;
  height: 16px;
  border-radius: 4px;
  background: var(--color-primary);
  opacity: 0.5;
}

.phone__list-item span::after {
  content: '';
  width: 80px;
  height: 6px;
  border-radius: 2px;
  background: var(--color-text);
}

.phone__list-item i {
  width: 24px;
  height: 6px;
  border-radius: 2px;
  background: var(--color-text-light);
  font-style: normal;
}

.phone__home-indicator {
  width: 80px;
  height: 4px;
  margin-inline: auto;
  border-radius: 2px;
  background: var(--color-border);
}

/* Apps section */
.apps {
  padding-block: var(--section-gap);
  background: var(--color-surface);
}

.apps .section-header {
  margin-bottom: var(--section-gap);
}

/* Carousel */
.carousel {
  position: relative;
}

.carousel__viewport {
  overflow: hidden;
  margin-inline: 68px;
}

.carousel__track {
  display: flex;
  gap: 1.5rem;
  transition: transform 0.4s ease;
}

.carousel__track--grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  transform: none !important;
}

.carousel--static .carousel__nav,
.carousel--static .carousel__dots {
  display: none;
}

.carousel--static .carousel__viewport {
  margin-inline: 0;
  overflow: visible;
}

.carousel__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-border);
  border-radius: 22px;
  background: var(--color-bg);
  color: var(--color-text-muted);
  box-shadow: var(--shadow-md);
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}

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

.carousel__nav:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.carousel__nav--prev { left: 0; }
.carousel__nav--next { right: 0; }

.carousel__dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 1.5rem;
}

.carousel__dot {
  width: 8px;
  height: 8px;
  border: none;
  border-radius: 4px;
  background: var(--color-border);
  cursor: pointer;
  padding: 0;
  transition: background 0.2s;
}

.carousel__dot--active {
  background: var(--color-primary);
}

/* App cards */
.app-card {
  flex: 0 0 min(360px, calc(100vw - 8rem));
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 394px;
  padding: 2rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.app-card__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.app-card__icon {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  border-radius: var(--radius-xl);
  color: #fff;
}

.app-card__icon--teal { background: var(--color-primary-dark); }
.app-card__icon--emerald { background: var(--color-emerald); }
.app-card__icon--indigo { background: var(--color-indigo); }
.app-card__icon--muted { background: var(--color-border); color: var(--color-text-light); }

.app-card__badges {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.platform-badge {
  padding: 4px 8px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.platform-badge--dashed {
  border-style: dashed;
  color: var(--color-text-light);
  font-weight: 600;
}

.platform-badge--large {
  padding: 8px 12px;
  font-size: 0.6875rem;
}

.app-card__body {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}

.app-card__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
}

.app-card__description {
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--color-text-muted);
}

.app-card__rating {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 1rem;
}

.stars {
  display: flex;
  gap: 4px;
  color: var(--color-star);
}

.app-card__score {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text);
}

.app-card__reviews {
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

.app-card__footer {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

.store-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 1rem;
}

.store-btn {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  background: var(--color-text);
  color: #fff;
  font-size: 0.6875rem;
  font-weight: 500;
  transition: opacity 0.2s;
}

.store-btn:hover {
  opacity: 0.85;
}

.learn-more {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  transition: gap 0.2s;
}

.learn-more:hover {
  gap: 8px;
}

.app-card--coming-soon {
  opacity: 0.85;
  background: linear-gradient(var(--color-bg), var(--color-surface));
}

/* About */
.about {
  padding-block: clamp(4rem, 8vw, 7.5rem);
  border-block: 1px solid var(--color-border);
}

.about__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: start;
}

.about__content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  max-width: 740px;
}

.about__content p {
  font-size: 1rem;
  line-height: 1.6;
}

.stats {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 440px;
}

.stat-card {
  padding: 1.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.stat-card__value {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 4px;
}

.stat-card__label {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

/* Contact */
.contact {
  padding-block: clamp(4rem, 8vw, 7.5rem);
  background: var(--color-surface);
}

.contact__inner {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  max-width: 500px;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding-top: 0.75rem;
}

.contact-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  transition: color 0.2s;
}

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

/* Footer */
.site-footer {
  padding-block: 3rem;
  border-top: 1px solid var(--color-border);
  background: var(--color-bg);
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: flex-start;
}

.site-footer__brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.site-footer__mark {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: var(--radius-sm);
  background: var(--color-text-muted);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 800;
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.site-footer__links a:hover {
  color: var(--color-primary);
}

/* Responsive */
@media (min-width: 768px) {
  .hero__inner {
    grid-template-columns: 1fr 1fr;
  }

  .hero__mockup {
    justify-content: flex-end;
  }

  .about__inner {
    grid-template-columns: 1.4fr 1fr;
    gap: 6rem;
    align-items: center;
  }

  .stats {
    width: 100%;
  }

  .site-footer__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (min-width: 1024px) {
  .carousel__viewport {
    margin-inline: 68px;
  }

  .app-card {
    flex: 0 0 min(360px, calc(100vw - 8rem));
  }

  .carousel__track--grid .app-card {
    flex: unset;
    width: 100%;
  }
}

@media (max-width: 767px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: fixed;
    inset: var(--header-height) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 1rem;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.25s, opacity 0.25s;
  }

  .site-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .site-nav__link {
    padding: 0.875rem 1rem;
    border-radius: var(--radius-md);
  }

  .site-nav__link:hover {
    background: var(--color-surface);
  }

  .carousel__viewport {
    margin-inline: 0;
  }

  .carousel__nav {
    display: none;
  }

  .carousel__track:not(.carousel__track--grid) {
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 0.5rem;
  }

  .carousel__track--grid {
    grid-template-columns: 1fr;
  }

  .carousel__track:not(.carousel__track--grid)::-webkit-scrollbar {
    display: none;
  }

  .app-card {
    scroll-snap-align: start;
  }
}