@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Space+Mono:wght@400;700&display=swap');

:root {
  --bg: #eef0eb;
  --fg: #0b0f12;
  --muted: #6e7477;
  --line: rgba(11,15,18,.16);
  --panel: rgba(238,240,235,.80);
  --dark: #0b0f12;
  --dark-fg: #eef0eb;
  --accent: #c7ff3d;
  --warm: #ddd7c7;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: Inter, Arial, sans-serif;
}

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

button { font: inherit; }

.site-shell { min-height: 100vh; }

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 32px;
  mix-blend-mode: difference;
  color: #fff;
}

.brand {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .09em;
}

.brand span { opacity: .6; }

.nav {
  display: flex;
  gap: 24px;
  font-family: "Space Mono", monospace;
  font-size: 10px;
  text-transform: uppercase;
}

.nav a {
  position: relative;
  opacity: .6;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 1px;
  background: currentColor;
  transition: width .25s ease;
}

.nav a:hover,
.nav a.active { opacity: 1; }

.nav a:hover::after,
.nav a.active::after { width: 100%; }

.menu-toggle {
  display: none;
  border: 0;
  padding: 0;
  background: transparent;
  color: inherit;
  font-family: "Space Mono", monospace;
  font-size: 11px;
}

.hero {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  padding: 120px 32px 42px;
  display: grid;
  grid-template-columns: minmax(0,1fr) 340px;
  gap: 40px;
  align-items: end;
  background:
    radial-gradient(circle at 72% 20%, rgba(255,255,255,.88), transparent 34%),
    linear-gradient(135deg, #e7eae3 0%, #b6bdb4 48%, #606b68 100%);
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to top, rgba(4,10,12,.42), transparent 45%),
    linear-gradient(to right, transparent 65%, rgba(4,10,12,.20));
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  opacity: .25;
  background-image:
    linear-gradient(rgba(11,15,18,.18) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11,15,18,.18) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, #000 0%, transparent 78%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1050px;
}

.eyebrow {
  margin: 0 0 24px;
  font-family: "Space Mono", monospace;
  font-size: 10px;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.hero h1,
.section h2,
.facts-section h2,
.closing h2,
.season-card h2 {
  margin: 0;
  font-size: clamp(64px, 10vw, 160px);
  line-height: .82;
  letter-spacing: -.075em;
  font-weight: 700;
}

.hero h1 span {
  display: block;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--fg);
}

.hero-copy {
  max-width: 560px;
  margin: 34px 0 0;
  font-size: clamp(16px,1.6vw,21px);
  line-height: 1.5;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 34px;
}

.button {
  min-height: 48px;
  padding: 0 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: "Space Mono", monospace;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  border: 1px solid var(--fg);
  transition: transform .2s ease, background .2s ease, color .2s ease;
}

.button:hover { transform: translateY(-2px); }

.button-dark {
  background: var(--fg);
  color: var(--bg);
}

.button-ghost { background: rgba(255,255,255,.16); }

.weather-card {
  position: relative;
  z-index: 3;
  width: 100%;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  background: var(--panel);
  border: 1px solid rgba(255,255,255,.42);
  padding: 22px;
}

.weather-heading {
  display: flex;
  justify-content: space-between;
  font-family: "Space Mono", monospace;
  font-size: 10px;
  letter-spacing: .12em;
}

.weather-status { color: #3b5513; }

.weather-main {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.weather-main strong {
  font-size: 64px;
  line-height: .9;
  letter-spacing: -.07em;
}

.weather-main span {
  max-width: 130px;
  text-align: right;
  color: var(--muted);
  font-size: 13px;
}

.weather-details {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 16px;
  padding-top: 18px;
}

.weather-details span,
.contact-label {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-family: "Space Mono", monospace;
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.weather-details strong { font-size: 12px; }

.section {
  min-height: 86vh;
  padding: 120px 32px 90px;
  display: grid;
  grid-template-columns: 100px 1fr;
  border-top: 1px solid var(--line);
}

.section-number {
  font-family: "Space Mono", monospace;
  font-size: 11px;
}

.section h2 { font-size: clamp(70px,10vw,150px); }

.copy-grid {
  display: grid;
  grid-template-columns: repeat(3,minmax(0,1fr));
  gap: 48px;
  margin-top: 70px;
  max-width: 1250px;
}

.copy-grid p {
  margin: 0;
  color: #474d50;
  font-size: 16px;
  line-height: 1.75;
}

.copy-grid .lead-copy {
  color: var(--fg);
  font-size: 20px;
  line-height: 1.55;
}

.statement {
  margin-top: 90px;
  padding: 28px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 30px;
  font-family: "Space Mono", monospace;
  text-transform: uppercase;
}

.statement span {
  color: var(--muted);
  font-size: 10px;
}

.statement strong {
  font-size: clamp(17px,2vw,28px);
  text-align: right;
}

.seasons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
}

.season-card {
  position: relative;
  min-height: 850px;
  padding: 34px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.season-card.winter {
  background:
    radial-gradient(circle at 50% 20%, rgba(255,255,255,.85), transparent 40%),
    linear-gradient(160deg, #e9edf0 0%, #9ea9af 48%, #4a565d 100%);
}

.season-card.summer {
  background:
    radial-gradient(circle at 70% 15%, rgba(230,255,197,.45), transparent 38%),
    linear-gradient(160deg, #d4d7bd 0%, #79856a 50%, #29382e 100%);
  color: #f4f6ed;
}

.season-top {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font-family: "Space Mono", monospace;
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: .1em;
}

.season-content {
  position: relative;
  z-index: 2;
  max-width: 650px;
}

.season-card h2 {
  font-size: clamp(56px,7vw,110px);
}

.season-content p {
  max-width: 540px;
  margin: 28px 0 0;
  font-size: 16px;
  line-height: 1.7;
}

.summer .season-content p { color: rgba(244,246,237,.78); }

.season-word {
  position: absolute;
  right: -20px;
  bottom: -45px;
  font-size: clamp(100px,13vw,230px);
  line-height: .8;
  font-weight: 800;
  letter-spacing: -.08em;
  opacity: .10;
  pointer-events: none;
}

.mountain-section {
  background: #111719;
  color: var(--dark-fg);
}

.mountain-section .section-number,
.mountain-section .eyebrow { color: rgba(238,240,235,.5); }

.mountain-section .copy-grid p {
  color: rgba(238,240,235,.66);
}

.mountain-section .copy-grid .lead-copy { color: var(--dark-fg); }

.mountain-title {
  display: grid;
  grid-template-columns: minmax(0,1fr) 300px;
  gap: 40px;
  align-items: end;
}

.altitude {
  padding: 22px 0;
  border-top: 1px solid rgba(238,240,235,.2);
  border-bottom: 1px solid rgba(238,240,235,.2);
}

.altitude span,
.altitude small {
  display: block;
  font-family: "Space Mono", monospace;
  font-size: 9px;
  letter-spacing: .1em;
}

.altitude strong {
  display: block;
  margin: 12px 0 4px;
  font-size: 82px;
  line-height: .9;
  letter-spacing: -.07em;
}

.elevation-strip {
  margin-top: 90px;
  display: grid;
  grid-template-columns: auto minmax(100px,1fr) auto;
  align-items: center;
  gap: 20px;
  font-family: "Space Mono", monospace;
}

.elevation-strip div:first-child,
.elevation-strip div:last-child {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.elevation-strip span {
  font-size: 9px;
  color: rgba(238,240,235,.5);
}

.elevation-strip strong { font-size: 13px; }

.elevation-line {
  height: 1px;
  background: rgba(238,240,235,.25);
}

.elevation-line span {
  display: block;
  width: 65%;
  height: 1px;
  background: var(--accent);
}

.facts-section {
  padding: 120px 32px 90px;
  background: var(--warm);
}

.facts-heading {
  display: grid;
  grid-template-columns: 1fr 3fr;
  gap: 40px;
  align-items: start;
}

.facts-section h2 {
  font-size: clamp(66px,9vw,140px);
}

.facts-grid {
  margin-top: 80px;
  display: grid;
  grid-template-columns: repeat(3,1fr);
  border-top: 1px solid rgba(11,15,18,.25);
  border-left: 1px solid rgba(11,15,18,.25);
}

.fact {
  min-height: 190px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-right: 1px solid rgba(11,15,18,.25);
  border-bottom: 1px solid rgba(11,15,18,.25);
}

.fact span {
  font-family: "Space Mono", monospace;
  font-size: 9px;
  text-transform: uppercase;
  color: #60605a;
}

.fact strong {
  font-size: clamp(24px,3vw,48px);
  line-height: .95;
  letter-spacing: -.05em;
}

.fact.wide { grid-column: span 3; }

.fact.wide strong { max-width: 1000px; }

.route-section { background: var(--bg); }

.route-grid {
  margin-top: 80px;
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 25px;
  align-items: stretch;
}

.route-block {
  padding: 24px;
  border: 1px solid var(--line);
  min-height: 300px;
  display: flex;
  flex-direction: column;
}

.route-block span {
  font-family: "Space Mono", monospace;
  font-size: 9px;
  color: var(--muted);
}

.route-block strong {
  display: block;
  margin-top: 20px;
  font-size: clamp(38px,5vw,70px);
  line-height: .9;
  letter-spacing: -.06em;
}

.route-block p {
  margin: auto 0 0;
  color: #555b5e;
  line-height: 1.65;
  font-size: 14px;
}

.route-block.highlighted {
  background: var(--fg);
  color: var(--bg);
}

.route-block.highlighted p,
.route-block.highlighted span {
  color: rgba(238,240,235,.66);
}

.route-arrow {
  align-self: center;
  font-family: "Space Mono", monospace;
  font-size: 24px;
}

.closing {
  min-height: 75vh;
  padding: 110px 32px 45px;
  background:
    radial-gradient(circle at 70% 35%, rgba(198,255,61,.18), transparent 25%),
    linear-gradient(145deg, #111719, #222b2a);
  color: var(--dark-fg);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.closing h2 {
  font-size: clamp(72px,11vw,170px);
}

.closing-map {
  align-self: flex-end;
  min-width: min(100%,400px);
  padding: 22px;
  border: 1px solid rgba(238,240,235,.28);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  font-family: "Space Mono", monospace;
}

.closing-map span {
  font-size: 10px;
  color: rgba(238,240,235,.58);
}

.closing-map strong {
  grid-column: span 2;
  margin-top: 20px;
  font-size: 12px;
  color: var(--accent);
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 20px;
  padding: 24px 32px;
  border-top: 1px solid var(--line);
  font-family: "Space Mono", monospace;
  font-size: 9px;
  letter-spacing: .06em;
}

@media (max-width: 1050px) {
  .nav { gap: 15px; }
  .copy-grid { grid-template-columns: 1fr 1fr; }
  .copy-grid .lead-copy { grid-column: span 2; }
  .route-grid { grid-template-columns: 1fr; }
  .route-arrow { transform: rotate(90deg); }
}

@media (max-width: 850px) {
  .site-header {
    padding: 20px;
    mix-blend-mode: normal;
    background: rgba(11,15,18,.88);
    color: white;
    backdrop-filter: blur(15px);
  }

  .menu-toggle { display: block; }

  .nav {
    display: none;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    padding: 20px;
    flex-direction: column;
    gap: 14px;
    background: rgba(11,15,18,.94);
  }

  .nav.open { display: flex; }

  .hero {
    grid-template-columns: 1fr;
    padding: 110px 20px 28px;
  }

  .weather-card { max-width: 420px; }

  .section {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 90px 20px 70px;
  }

  .copy-grid {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-top: 50px;
  }

  .copy-grid .lead-copy { grid-column: auto; }

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

  .season-card {
    min-height: 700px;
    padding: 24px 20px;
  }

  .mountain-title { grid-template-columns: 1fr; }

  .facts-section { padding: 90px 20px 70px; }

  .facts-heading { grid-template-columns: 1fr; }

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

  .fact.wide { grid-column: span 2; }

  .closing { padding: 90px 20px 35px; }

  .site-footer {
    grid-template-columns: 1fr;
    padding: 20px;
  }
}

@media (max-width: 560px) {
  .hero h1 { font-size: clamp(56px,18vw,90px); }
  .hero-copy { max-width: 92%; }

  .weather-main strong { font-size: 54px; }
  .weather-details { grid-template-columns: 1fr 1fr; }

  .section h2,
  .facts-section h2,
  .closing h2 { font-size: clamp(56px,17vw,90px); }

  .statement { flex-direction: column; }
  .statement strong { text-align: left; }

  .facts-grid { grid-template-columns: 1fr; }
  .fact.wide { grid-column: auto; }

  .elevation-strip { grid-template-columns: 1fr; }
  .elevation-line { width: 100%; }

  .closing-map { align-self: stretch; }
}