:root {
  --bg: #FAFBFC;
  --frost: #EEF6FB;
  --text: #2D3436;
  --muted: #5A6270;
  --glacier: #4FC3F7;
  --deep-glacier: #1F8FD1;
  --moss: #6B9E78;
  --lava: #F26B38;
  --aurora: #9B6BF5;
  --card: #ffffff;
  --shadow: 0 18px 50px rgba(45, 52, 54, 0.08);
  --radius: 20px;
  --spine-w: 72px;
  --font: "DM Sans", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 24px;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--deep-glacier); }

.page-shell {
  display: grid;
  grid-template-columns: var(--spine-w) 1fr;
  min-height: 100vh;
}

.route-spine {
  position: sticky;
  top: 0;
  height: 100vh;
  background: linear-gradient(180deg, var(--text) 0%, #1a3a52 100%);
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px 0;
  z-index: 20;
}

.spine-brand {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 2px solid var(--glacier);
  border-radius: 10px;
  margin-bottom: 24px;
}

.spine-days {
  list-style: none;
  margin: 0;
  padding: 0;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.spine-days a {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  font-family: var(--mono);
  font-size: 0.7rem;
  transition: background 0.2s, color 0.2s;
}

.spine-days a:hover,
.spine-days a.is-active {
  background: var(--glacier);
  color: var(--text);
}

.spine-coords {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  opacity: 0.45;
  margin-top: 16px;
}

.main-flow { min-width: 0; }

.hero-fold {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  min-height: 88vh;
  background: var(--frost);
}

.hero-visual {
  position: relative;
  margin: 0;
  overflow: hidden;
}

.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 360px;
}

.hero-aurora-band {
  position: absolute;
  inset: auto 0 0 0;
  height: 38%;
  background: linear-gradient(180deg, transparent 0%, rgba(155, 107, 245, 0.35) 40%, rgba(79, 195, 247, 0.55) 100%);
  pointer-events: none;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(32px, 6vw, 72px);
}

.hero-kicker {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--moss);
  margin: 0 0 12px;
}

.hero-copy h1 {
  margin: 0 0 20px;
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.hero-copy h1 span {
  display: block;
  background: linear-gradient(120deg, var(--deep-glacier), var(--aurora));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-lead {
  margin: 0 0 28px;
  font-size: 1.08rem;
  color: var(--muted);
  max-width: 34ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn-primary,
.btn-ghost {
  display: inline-flex;
  align-items: center;
  padding: 14px 24px;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
  font-size: 0.95rem;
}

.btn-primary {
  background: linear-gradient(120deg, var(--glacier), var(--deep-glacier));
  color: #fff;
  box-shadow: 0 10px 28px rgba(31, 143, 209, 0.35);
}

.btn-ghost {
  border: 2px solid rgba(45, 52, 54, 0.12);
  color: var(--text);
  background: var(--card);
}

.stat-ribbon {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-bottom: 1px solid rgba(45, 52, 54, 0.08);
}

.stat-cell {
  padding: 28px 20px;
  text-align: center;
  border-right: 1px solid rgba(45, 52, 54, 0.06);
}

.stat-cell:last-child { border-right: none; }

.stat-cell strong {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--deep-glacier);
  line-height: 1;
  margin-bottom: 6px;
}

.stat-cell span {
  font-size: 0.82rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.section-head {
  padding: 56px clamp(24px, 5vw, 64px) 28px;
  max-width: 720px;
}

.section-head h2 {
  margin: 0 0 10px;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  letter-spacing: -0.02em;
}

.section-head p {
  margin: 0;
  color: var(--muted);
}

.stop-track {
  display: flex;
  gap: 18px;
  overflow-x: auto;
  padding: 0 clamp(24px, 5vw, 64px) 56px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.stop-card {
  flex: 0 0 min(300px, 78vw);
  scroll-snap-align: start;
  background: var(--card);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  border-top: 4px solid var(--glacier);
}

.stop-nature { border-top-color: var(--lava); }
.stop-guides { border-top-color: var(--moss); }
.stop-aurora { border-top-color: var(--aurora); }
.stop-challenges { border-top-color: var(--lava); }
.stop-trip { border-top-color: var(--deep-glacier); }

.stop-icon { font-size: 2rem; margin-bottom: 12px; }
.stop-card h3 { margin: 0 0 10px; font-size: 1.15rem; }
.stop-card p { margin: 0; font-size: 0.92rem; color: var(--muted); }

.ring-road-panel {
  background: linear-gradient(135deg, var(--frost) 0%, #fff 50%, rgba(107, 158, 120, 0.12) 100%);
  padding: clamp(48px, 8vw, 88px) clamp(24px, 5vw, 64px);
}

.ring-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  max-width: 1100px;
}

.ring-copy h2 { margin: 0 0 16px; font-size: clamp(1.5rem, 3vw, 2rem); }
.ring-lead { color: var(--muted); margin: 0 0 24px; }

.route-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.route-list li {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  background: var(--card);
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(45, 52, 54, 0.05);
  font-size: 0.95rem;
}

.route-days {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  color: #fff;
  background: var(--deep-glacier);
  padding: 4px 10px;
  border-radius: 999px;
  white-space: nowrap;
}

.ring-visual {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transform: rotate(2deg);
}

.gallery-band {
  display: flex;
  justify-content: center;
  gap: clamp(20px, 4vw, 40px);
  padding: 64px clamp(24px, 5vw, 64px);
  flex-wrap: wrap;
}

.gallery-tile {
  margin: 0;
  width: min(320px, 88vw);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  background: var(--card);
}

.gallery-tile img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

.gallery-tile figcaption {
  padding: 14px 18px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--muted);
}

.tilt-left { transform: rotate(-2.5deg); }
.tilt-right { transform: rotate(2.5deg); }

.about-band {
  max-width: 680px;
  padding: 0 clamp(24px, 5vw, 64px) 64px;
}

.about-band h2 { margin: 0 0 12px; font-size: 1.5rem; }
.about-band p { margin: 0; color: var(--muted); }

.legal-stack {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr));
  gap: 24px;
  padding: 48px clamp(24px, 5vw, 64px) 32px;
  background: var(--text);
  color: rgba(255,255,255,0.88);
}

.legal-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 28px;
}

.legal-card h2 {
  margin: 0 0 16px;
  color: #fff;
  font-size: 1.3rem;
}

.legal-card h3 {
  margin: 20px 0 8px;
  font-size: 0.95rem;
  color: var(--glacier);
}

.legal-card p {
  margin: 0 0 12px;
  font-size: 0.92rem;
  line-height: 1.65;
}

.site-foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 24px clamp(24px, 5vw, 64px);
  background: #1a2228;
  color: rgba(255,255,255,0.5);
  font-size: 0.85rem;
}

.site-foot nav { display: flex; gap: 20px; }
.site-foot a { color: var(--glacier); text-decoration: none; }

@media (max-width: 900px) {
  .page-shell { grid-template-columns: 1fr; }

  .route-spine {
    position: fixed;
    bottom: 0;
    top: auto;
    left: 0;
    right: 0;
    height: auto;
    flex-direction: row;
    padding: 10px 16px;
    background: rgba(45, 52, 54, 0.96);
    backdrop-filter: blur(8px);
  }

  .spine-brand,
  .spine-coords { display: none; }

  .spine-days {
    flex-direction: row;
    justify-content: space-between;
    width: 100%;
    flex: unset;
  }

  .spine-days a {
    width: 38px;
    height: 38px;
    font-size: 0.62rem;
  }

  .main-flow { padding-bottom: 72px; }
  .hero-fold { grid-template-columns: 1fr; }
  .hero-visual { order: -1; max-height: 42vh; }
  .ring-grid { grid-template-columns: 1fr; }
  .ring-visual { transform: none; max-width: 420px; margin: 0 auto; }
  .stat-ribbon { grid-template-columns: 1fr; }
  .stat-cell { border-right: none; border-bottom: 1px solid rgba(45, 52, 54, 0.06); }
}