:root {
  --bg: #0b1619;
  --surface: #122329;
  --surface-soft: #1a2f36;
  --text: #f2f4ec;
  --muted: #c5cdc0;
  --accent: #f0b428;
  --accent-deep: #d59200;
  --line: rgba(242, 244, 236, 0.16);
  --hero-grad: radial-gradient(circle at 18% 20%, #264a44 0%, #0b1619 42%);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Manrope", "Segoe UI", sans-serif;
  color: var(--text);
  background: linear-gradient(160deg, #071115 0%, #0b1619 45%, #102229 100%);
  line-height: 1.5;
  overflow-x: hidden;
}

.topo-bg {
  position: fixed;
  inset: 0;
  background-image: repeating-radial-gradient(
      circle at 80% 10%,
      rgba(240, 180, 40, 0.09),
      rgba(240, 180, 40, 0.09) 1px,
      transparent 1px,
      transparent 16px
    ),
    repeating-linear-gradient(
      70deg,
      rgba(255, 255, 255, 0.03),
      rgba(255, 255, 255, 0.03) 2px,
      transparent 2px,
      transparent 28px
    );
  opacity: 0.55;
  pointer-events: none;
  z-index: -2;
}

.site-header,
main,
.site-footer {
  width: min(1100px, 92vw);
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.9rem 0;
  backdrop-filter: blur(10px);
  background: rgba(7, 17, 21, 0.72);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: var(--text);
}

.brand-logo {
  width: 42px;
  height: 42px;
  border-radius: 0.4rem;
  object-fit: cover;
  border: 1px solid var(--line);
}

.brand-mark {
  font-family: "Archivo Black", Impact, sans-serif;
  font-size: 1rem;
  letter-spacing: 0.08em;
  background: var(--accent);
  color: #13181a;
  padding: 0.35rem 0.55rem;
  border-radius: 0.4rem;
}

.brand-text {
  font-weight: 700;
  letter-spacing: 0.01em;
}

.site-nav {
  display: flex;
  gap: 1rem;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
}

.site-nav a:hover {
  color: var(--accent);
}

main {
  padding: 1rem 0 5rem;
}

.hero {
  padding: 5.2rem 0 3.5rem;
  background: var(--hero-grad);
  border: 1px solid var(--line);
  border-radius: 1.25rem;
  padding-inline: clamp(1rem, 4vw, 3rem);
  margin-top: 1rem;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  width: 220px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(240, 180, 40, 0.3), transparent 68%);
  top: -20px;
  right: -25px;
}

.hero-heading {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  align-items: end;
}

.hero-logo {
  width: clamp(130px, 20vw, 220px);
  height: auto;
  border-radius: 0.7rem;
  border: 1px solid var(--line);
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.28);
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.72rem;
  color: var(--accent);
  margin: 0;
}

h1,
h2,
h3 {
  margin-top: 0.45rem;
  margin-bottom: 0.8rem;
  line-height: 1.1;
}

h1 {
  font-family: "Archivo Black", Impact, sans-serif;
  font-size: clamp(2rem, 5vw, 3.8rem);
  max-width: 16ch;
}

h1 span {
  color: var(--accent);
}

.hero-copy {
  max-width: 58ch;
  color: var(--muted);
}

.hero-points {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.hero-points article {
  border: 1px solid var(--line);
  border-radius: 0.85rem;
  padding: 0.85rem;
  background: rgba(11, 22, 25, 0.42);
}

.hero-points h2 {
  font-size: 1rem;
}

.hero-points p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.btn {
  display: inline-block;
  margin-top: 1.6rem;
  padding: 0.8rem 1.2rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0.01em;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent);
  color: #1d1b12;
  box-shadow: 0 8px 20px rgba(240, 180, 40, 0.28);
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
}

.stats {
  margin-top: 1.8rem;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.8rem;
}

.stats article {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 0.8rem;
  padding: 1rem;
}

.stat-number {
  margin: 0;
  font-family: "Archivo Black", Impact, sans-serif;
  font-size: 1.75rem;
  color: var(--accent);
}

.stat-label {
  margin: 0.2rem 0 0;
  color: var(--muted);
  font-weight: 600;
}

.features,
.route,
.fleet,
.cta,
.faq,
.itinerary {
  margin-top: 3rem;
}

.section-heading h2 {
  max-width: 20ch;
}

.feature-grid {
  display: grid;
  gap: 0.9rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.itinerary {
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  background: var(--surface);
  padding: 1.2rem;
}

.itinerary-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.itinerary-list li {
  border: 1px solid var(--line);
  border-radius: 0.85rem;
  background: rgba(11, 22, 25, 0.42);
  padding: 0.85rem;
}

.itinerary-day {
  margin: 0;
  color: var(--accent);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
}

.itinerary-stop {
  margin: 0.3rem 0 0;
  color: var(--muted);
  font-weight: 600;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  padding: 1.15rem;
}

.feature-card p {
  color: var(--muted);
  margin: 0;
}

.route {
  display: grid;
  gap: 1.2rem;
  grid-template-columns: 1.4fr 1fr;
  align-items: stretch;
}

.route-copy {
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  background: var(--surface);
  padding: 1.2rem;
}

.route-copy p,
.route-copy li,
.fleet p,
.cta p {
  color: var(--muted);
}

.route-copy ul {
  margin-bottom: 0;
}

.route-art {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  background: linear-gradient(160deg, #153038, #0f252d);
  overflow: hidden;
  min-height: 260px;
}

.river-line {
  position: absolute;
  left: 22%;
  top: -4%;
  width: 28%;
  height: 112%;
  background: linear-gradient(
    180deg,
    rgba(87, 169, 205, 0.06) 0%,
    rgba(87, 169, 205, 0.3) 55%,
    rgba(87, 169, 205, 0.08) 100%
  );
  transform: skewX(-10deg);
}

.contour {
  position: absolute;
  border: 1px solid rgba(242, 244, 236, 0.2);
  border-radius: 50%;
}

.contour-1 {
  width: 210px;
  height: 95px;
  right: 12%;
  top: 18%;
}

.contour-2 {
  width: 260px;
  height: 140px;
  right: -8%;
  top: 42%;
}

.contour-3 {
  width: 180px;
  height: 84px;
  left: -6%;
  top: 62%;
}

.fleet,
.cta {
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  padding: 1.2rem;
}

.fleet-visual {
  margin: 1.1rem 0 0;
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  overflow: hidden;
  background: rgba(7, 17, 21, 0.5);
}

.support-visual {
  margin: 1.1rem 0 0;
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  overflow: hidden;
  background: rgba(7, 17, 21, 0.5);
}

.fleet-visual img {
  display: block;
  width: 100%;
  height: auto;
}

.support-visual img {
  display: block;
  width: 100%;
  height: auto;
}

.fleet-visual figcaption {
  padding: 0.75rem 0.9rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.support-visual figcaption {
  padding: 0.75rem 0.9rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.faq {
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  padding: 1.2rem;
}

.faq-list {
  display: grid;
  gap: 0.85rem;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: 0.85rem;
  background: rgba(11, 22, 25, 0.36);
  padding: 0 1rem;
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 0.95rem 0;
  font-weight: 800;
  color: var(--text);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  float: right;
  color: var(--accent);
  font-size: 1.1rem;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item p {
  margin: 0 0 1rem;
  color: var(--muted);
  max-width: 70ch;
}

.site-footer {
  border-top: 1px solid var(--line);
  margin-top: 2.5rem;
  padding: 1rem 0 2rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.section-reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 650ms ease, transform 650ms ease;
}

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

@media (max-width: 900px) {
  .hero-points,
  .stats,
  .feature-grid,
  .route,
  .itinerary-list {
    grid-template-columns: 1fr 1fr;
  }

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

  .site-footer {
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .site-header {
    position: static;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.6rem;
  }

  .site-nav {
    flex-wrap: wrap;
    gap: 0.7rem;
  }

  .hero-points,
  .stats,
  .feature-grid,
  .itinerary-list {
    grid-template-columns: 1fr;
  }

  .hero-heading {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .hero-logo {
    width: min(60vw, 230px);
  }

  .fleet-visual figcaption {
    font-size: 0.85rem;
  }

  .support-visual figcaption {
    font-size: 0.85rem;
  }

  .hero {
    padding-top: 3rem;
  }
}