:root {
  --color-bg: #F5F7FA;
  --color-surface: #FFFFFF;
  --color-text: #0A1A27;
  --color-muted: #8292A0;
  --color-primary: #102A43;
  --color-primary-soft: #1F3B57;
  --color-accent: #FF7A59;
  --color-logo: #CE4B02;
  --color-success: #2ECC71;
  --color-blue: #4F8CCF;
  --color-divider: #E1E7EF;
  --color-hero-text: #F9FAFB;
  --device-width: 340px;
  --device-screen-width: 320px;
  --device-aspect: 1284 / 2778;
  --media-card-width: var(--device-width);

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12);
  --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.18);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;

  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-xxl: 48px;
  --space-3xl: 72px;
  --space-4xl: 96px;

  --max-width: 1120px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Instrument Sans", "Helvetica Neue", Arial, sans-serif;
  color: var(--color-text);
  background: radial-gradient(circle at top, #FFFFFF 0%, #F5F7FA 45%, #E1E7EF 100%);
  line-height: 1.6;
}

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

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

p {
  margin: 0 0 1rem;
}

h1,
h2,
h3 {
  font-family: "Sora", "Helvetica Neue", Arial, sans-serif;
  margin: 0 0 0.75rem;
  line-height: 1.1;
}

h1 {
  font-size: clamp(2.8rem, 5vw, 4rem);
}

h2 {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
}

h3 {
  font-size: 1.5rem;
}

.container {
  width: min(var(--max-width), calc(100% - 48px));
  margin: 0 auto;
}

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

.section.alt {
  background: var(--color-surface);
}

.section-head {
  max-width: 680px;
  margin-bottom: var(--space-xxl);
}

.section-head p {
  color: var(--color-muted);
}

.section-note {
  margin-top: var(--space-sm);
  font-size: 0.95rem;
  color: var(--color-muted);
}

.anchor {
  scroll-margin-top: 80px;
  height: 0;
}

.eyebrow {
  font-size: 0.9rem;
  letter-spacing: 0.2rem;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

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

.btn.ghost {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.4);
  color: var(--color-hero-text);
}

.btn.outline {
  background: transparent;
  border-color: var(--color-divider);
  color: var(--color-primary);
}

.site-header {
  position: absolute;
  top: 0;
  width: 100%;
  z-index: 5;
  padding: var(--space-lg) 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

.logo {
  font-family: "Arial Rounded MT Bold", "Nunito", "Varela Round", "Trebuchet MS", sans-serif;
  font-weight: 700;
  font-size: 2.75rem;
  letter-spacing: 0.04rem;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.site-header .logo {
  color: var(--color-logo);
}

.logo span {
  font-style: italic;
  color: var(--color-logo);
}

.logo-mark {
  width: 48px;
  height: 48px;
}

.nav {
  display: flex;
  gap: var(--space-lg);
  font-weight: 500;
}

.nav a {
  color: var(--color-hero-text);
  opacity: 0.85;
}

.nav a:hover {
  opacity: 1;
}

.media-bleed {
  background-color: var(--color-primary);
  background-image: var(--media-overlay), var(--media-image);
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}

.hero {
  position: relative;
  padding: 140px 0 120px;
  color: var(--color-hero-text);
  --media-overlay: linear-gradient(120deg, rgba(16, 42, 67, 0.3), rgba(255, 122, 89, 0.3));
  --media-image: url("assets/hero1-2400.jpg");
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  right: -160px;
  top: -200px;
  background: radial-gradient(circle, rgba(255, 122, 89, 0.55), rgba(255, 122, 89, 0));
  z-index: 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: var(--space-3xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero .lead {
  font-size: 1.1rem;
  max-width: 520px;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin: var(--space-xl) 0 var(--space-md);
}

.note {
  font-size: 0.9rem;
  opacity: 0.8;
}

.hero-device {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-items: center;
}

.device-mock {
  position: relative;
  width: min(var(--device-width), 100%);
  border-radius: 32px;
  background: rgba(255, 255, 255, 0.12);
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.45);
  box-shadow: 0 20px 40px rgba(10, 26, 39, 0.35);
  backdrop-filter: blur(12px);
}

.device-mock::after {
  content: "";
  position: absolute;
  inset: 8px;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  pointer-events: none;
}

.device-screen {
  width: 100%;
  aspect-ratio: var(--device-aspect);
  border-radius: 24px;
  background: transparent;
  overflow: hidden;
}

.device-screen img,
.device-screen video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

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

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 140px;
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.35);
  font-size: 0.85rem;
}

.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(15, 32, 50, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.4);
  font-size: 0.8rem;
  animation: float 4s ease-in-out infinite;
}

.arrow {
  font-size: 1rem;
}

.media-flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-sm) var(--space-md);
  align-items: start;
}

.timeline-strip {
  grid-column: 1 / -1;
  height: 26px;
  position: relative;
}

.timeline-strip::before {
  content: "";
  position: absolute;
  left: 20px;
  right: 20px;
  top: 50%;
  height: 3px;
  background: linear-gradient(
    90deg,
    rgba(79, 140, 207, 0.2),
    rgba(79, 140, 207, 0.55),
    rgba(255, 122, 89, 0.45)
  );
  border-radius: 999px;
}

.timeline-strip::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: calc(50% - 6px);
  height: 12px;
  background-image:
    radial-gradient(circle, #FF7A59 0 5px, transparent 6px),
    radial-gradient(circle, #4F8CCF 0 5px, transparent 6px),
    radial-gradient(circle, #2ECC71 0 5px, transparent 6px),
    radial-gradient(circle, #FF7A59 0 5px, transparent 6px);
  background-repeat: no-repeat;
  background-size: 12px 12px, 12px 12px, 12px 12px, 12px 12px;
  background-position: 12.5% 0, 37.5% 0, 62.5% 0, 87.5% 0;
}

.timeline-item {
  display: flex;
  justify-content: center;
  text-align: center;
  font-weight: 700;
  color: var(--color-primary);
  position: relative;
  z-index: 1;
  font-size: 1.05rem;
}

.media-card {
  background: transparent;
  border: none;
  border-radius: var(--radius-lg);
  padding: 0;
  box-shadow: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  width: min(var(--media-card-width), 100%);
}

.media-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 var(--space-sm);
  text-align: center;
}

.media-frame {
  aspect-ratio: var(--device-aspect);
  border-radius: 22px;
  background: #0A1A27;
  overflow: hidden;
  border: 1px solid rgba(233, 236, 241, 0.85);
  box-shadow: var(--shadow-sm);
}

.media-frame img,
.media-frame video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.route-section {
  position: relative;
  padding: 120px 0;
  color: var(--color-hero-text);
  --media-overlay: linear-gradient(120deg, rgba(16, 42, 67, 0.1), rgba(16, 42, 67, 0.1));
  --media-image: url("assets/hero2-2400.jpg");
}

.route-content {
  max-width: 640px;
}

.route-line {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.route-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 6px rgba(255, 122, 89, 0.2);
}

.route-dot.blue {
  background: var(--color-blue);
  box-shadow: 0 0 0 6px rgba(79, 140, 207, 0.2);
}

.route-dot.green {
  background: var(--color-success);
  box-shadow: 0 0 0 6px rgba(46, 204, 113, 0.2);
}

.route-dash {
  flex: 1;
  height: 2px;
  background: rgba(249, 250, 251, 0.35);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-lg);
}

.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-accent);
}

.feature-icon.blue {
  background: var(--color-blue);
}

.feature-icon.green {
  background: var(--color-success);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-lg);
}

.step-card {
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-divider);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-blue);
  color: var(--color-hero-text);
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.callout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
  padding: var(--space-xxl);
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-divider);
  box-shadow: var(--shadow-sm);
}

.faq-grid {
  display: grid;
  gap: var(--space-md);
}

.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
}

.faq-item summary {
  cursor: pointer;
  font-weight: 600;
}

.faq-item p {
  margin: var(--space-sm) 0 0;
  color: var(--color-muted);
}

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

.site-footer {
  padding: var(--space-xxl) 0;
  background: var(--color-primary);
  color: var(--color-hero-text);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

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

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@supports (background-image: image-set(url("assets/hero1-1600.webp") 1x)) {
  .hero {
    --media-image: image-set(
      url("assets/hero1-1600.webp") type("image/webp") 1x,
      url("assets/hero1-2400.webp") type("image/webp") 1.5x,
      url("assets/hero1-3200.webp") type("image/webp") 2x,
      url("assets/hero1-1600.jpg") type("image/jpeg") 1x,
      url("assets/hero1-2400.jpg") type("image/jpeg") 1.5x,
      url("assets/hero1-3200.jpg") type("image/jpeg") 2x
    );
  }

  .route-section {
    --media-image: image-set(
      url("assets/hero2-1600.webp") type("image/webp") 1x,
      url("assets/hero2-2400.webp") type("image/webp") 1.5x,
      url("assets/hero2-3200.webp") type("image/webp") 2x,
      url("assets/hero2-1600.jpg") type("image/jpeg") 1x,
      url("assets/hero2-2400.jpg") type("image/jpeg") 1.5x,
      url("assets/hero2-3200.jpg") type("image/jpeg") 2x
    );
  }
}

@keyframes float {
  0% {
    transform: translateX(-50%) translateY(0);
  }
  50% {
    transform: translateX(-50%) translateY(-6px);
  }
  100% {
    transform: translateX(-50%) translateY(0);
  }
}

@media (max-width: 980px) {
  .media-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .timeline-strip {
    display: none;
  }

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

  .nav {
    display: none;
  }

  .callout {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 720px) {
  :root {
    --device-width: 280px;
    --device-screen-width: 260px;
    --media-card-width: 320px;
  }

  .media-flow {
    grid-template-columns: 1fr;
  }

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

  .hero {
    padding: 120px 0 100px;
  }

  .container {
    width: calc(100% - 32px);
  }

  .device-mock {
    width: min(var(--device-width), 100%);
  }
}

@media (min-width: 1240px) {
  .media-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .scroll-cue {
    animation: none;
  }
}