:root {
  --night: #0B1B2B;
  --deep: #0F2A44;
  --sea: #134E6F;
  --foam: #E9F1F5;
  --mist: #9DB4C6;
  --parchment: #F3E9D2;
  --parchment-2: #E9DBB8;
  --ink: #2A2118;
  --ink-soft: #6B5B47;
  --sun: #E8433E;
  --sun-2: #FF7A45;
  --gold: #E9B44C;
  --serif: "Playfair Display", Georgia, "Times New Roman", serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mongol: "Noto Sans Mongolian", "Mongolian Baiti", sans-serif;
  --radius: 14px;
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--night);
  color: var(--foam);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--serif); line-height: 1.15; margin: 0; font-variant-numeric: lining-nums; }
.marker, .stat b, .steps .num { font-variant-numeric: lining-nums; }
h2 { font-size: clamp(32px, 5vw, 52px); font-weight: 800; }
h3 { font-size: 22px; font-weight: 600; }
p { margin: 0; }

.eyebrow {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 14px;
}
.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; padding: 0 16px; }
.section-head .sub { margin-top: 16px; color: var(--mist); font-size: 19px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 600; font-size: 16px;
  text-decoration: none;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-sun { background: linear-gradient(135deg, var(--sun), var(--sun-2)); color: #fff; box-shadow: 0 10px 30px -10px rgba(232, 67, 62, .7); }
.btn-ghost { border: 1.5px solid rgba(233, 241, 245, .35); color: var(--foam); }
.btn-ghost:hover { border-color: var(--foam); }
.btn-ink { background: var(--ink); color: var(--parchment); width: 100%; }
.btn.big { font-size: 18px; padding: 18px 34px; }

/* ---------- top bar ---------- */
.topbar {
  position: fixed; inset: 0 0 auto 0; z-index: 20;
  display: flex; align-items: center; gap: 24px;
  padding: 14px clamp(16px, 4vw, 40px);
  background: rgba(11, 27, 43, .72);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(233, 241, 245, .08);
}
.brand { font-family: var(--serif); font-weight: 800; font-size: 22px; text-decoration: none; }
.brand span { color: var(--sun); }
.topbar nav { display: flex; gap: 22px; margin-left: auto; }
.topbar nav a { text-decoration: none; font-size: 15px; color: var(--mist); }
.topbar nav a:hover { color: var(--foam); }
.lang {
  font: 600 13px var(--sans);
  letter-spacing: .08em;
  color: var(--night); background: var(--gold);
  border: 0; border-radius: 999px; padding: 7px 14px; cursor: pointer;
}
@media (max-width: 720px) { .topbar nav { display: none; } .lang { margin-left: auto; } }

/* ---------- hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 110px 16px 180px;
  background: linear-gradient(180deg, #071422 0%, var(--deep) 45%, #3b3550 72%, #b4553f 92%, #e8774a 100%);
  overflow: hidden;
}
.sky { position: absolute; inset: 0; pointer-events: none; }
.stars {
  position: absolute; inset: 0 0 40% 0;
  background-image:
    radial-gradient(1.5px 1.5px at 10% 20%, #fff 50%, transparent 51%),
    radial-gradient(1px 1px at 25% 60%, #fff 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 40% 12%, #fff 50%, transparent 51%),
    radial-gradient(1px 1px at 55% 40%, #fff 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 70% 18%, #fff 50%, transparent 51%),
    radial-gradient(1px 1px at 85% 55%, #fff 50%, transparent 51%),
    radial-gradient(1px 1px at 92% 10%, #fff 50%, transparent 51%),
    radial-gradient(1px 1px at 5% 75%, #fff 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 62% 70%, #fff 50%, transparent 51%),
    radial-gradient(1px 1px at 33% 85%, #fff 50%, transparent 51%);
  opacity: .8;
  animation: twinkle 5s ease-in-out infinite alternate;
}
@keyframes twinkle { from { opacity: .35; } to { opacity: .9; } }
.sun {
  position: absolute; left: 50%; bottom: 10px;
  width: 300px; height: 300px; margin-left: -150px;
  border-radius: 50%;
  background: radial-gradient(circle, #ffb36b 0%, var(--sun-2) 35%, rgba(232, 67, 62, .55) 60%, transparent 72%);
  filter: blur(2px);
  animation: rise 2.4s cubic-bezier(.2, .7, .2, 1) both;
}
@keyframes rise { from { transform: translateY(120px); opacity: 0; } to { transform: none; opacity: 1; } }

.hero-inner {
  position: relative; z-index: 2;
  width: 100%; max-width: var(--max); margin: 0 auto;
  display: grid; grid-template-columns: 1.4fr 1fr; gap: 56px; align-items: center;
}
.hero h1 { font-size: clamp(40px, 6.4vw, 76px); font-weight: 800; letter-spacing: -.01em; }
.hero h1 em { font-style: italic; font-weight: 600; color: var(--gold); }
.hero .lead { margin-top: 24px; font-size: clamp(17px, 1.6vw, 20px); color: #d5e2ea; max-width: 560px; }
.cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.hero-text > * { animation: up .9s cubic-bezier(.2, .7, .2, 1) both; }
.hero-text > *:nth-child(2) { animation-delay: .1s; }
.hero-text > *:nth-child(3) { animation-delay: .2s; }
.hero-text > *:nth-child(4) { animation-delay: .3s; }
@keyframes up { from { transform: translateY(24px); opacity: 0; } to { transform: none; opacity: 1; } }

.porthole { margin: 0; justify-self: center; text-align: center; animation: up 1s .25s both; }
.porthole img {
  width: min(320px, 70vw); height: min(320px, 70vw); object-fit: cover; object-position: 50% 50%;
  border-radius: 50%;
  border: 10px solid #c9973f;
  box-shadow: 0 0 0 4px #7a5320, 0 0 0 14px rgba(233, 180, 76, .18), 0 30px 60px -20px rgba(0, 0, 0, .7);
}
.porthole figcaption { display: flex; align-items: center; justify-content: center; gap: 12px; margin-top: 18px; }
.porthole .name { font-family: var(--serif); font-size: 18px; }
.mongol {
  font-family: var(--mongol);
  writing-mode: vertical-lr;
  -webkit-writing-mode: vertical-lr;
  font-size: 20px; color: var(--gold); line-height: 1;
}

.waves { position: absolute; left: 0; bottom: -1px; width: 100%; height: 160px; z-index: 1; }
.waves path { animation: drift linear infinite; }
.waves .w1 { fill: rgba(19, 78, 111, .55); animation-duration: 18s; }
.waves .w2 { fill: rgba(15, 42, 68, .8); animation-duration: 12s; animation-direction: reverse; }
.waves .w3 { fill: var(--night); animation-duration: 8s; }
@keyframes drift { from { transform: translateX(0); } to { transform: translateX(-720px); } }

@media (max-width: 860px) {
  .hero { padding-top: 96px; }
  .hero-inner { grid-template-columns: 1fr; gap: 36px; text-align: center; }
  .porthole { order: -1; }
  .porthole img { width: 190px; height: 190px; }
  .hero .lead { margin-left: auto; margin-right: auto; }
  .cta { justify-content: center; }
}

/* ---------- stats ---------- */
.stats {
  width: min(var(--max), calc(100% - 32px)); margin: -40px auto 0;
  position: relative; z-index: 3;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: rgba(233, 241, 245, .1);
  border-radius: var(--radius); overflow: hidden;
}
.stat { background: var(--deep); padding: 28px 22px; }
.stat b { display: block; font-family: var(--serif); font-size: 46px; font-weight: 800; color: var(--gold); line-height: 1; }
.stat b small { font-size: 20px; color: var(--mist); font-weight: 600; }
.stat span { display: block; margin-top: 10px; font-size: 14px; color: var(--mist); line-height: 1.45; }
@media (max-width: 860px) { .stats { grid-template-columns: repeat(2, 1fr); margin-top: 0; } }

/* ---------- voyage ---------- */
.voyage {
  padding: 130px 16px 120px;
  background:
    linear-gradient(rgba(233, 241, 245, .035) 1px, transparent 1px) 0 0 / 64px 64px,
    linear-gradient(90deg, rgba(233, 241, 245, .035) 1px, transparent 1px) 0 0 / 64px 64px,
    var(--night);
}
.route { position: relative; max-width: var(--max); margin: 0 auto; }
.route-svg { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; pointer-events: none; }
.route-path-bg { fill: none; stroke: rgba(233, 241, 245, .22); stroke-width: 2; stroke-dasharray: 2 10; stroke-linecap: round; }
.route-path { fill: none; stroke: var(--gold); stroke-width: 3; stroke-linecap: round; }
.ship { transition: transform .08s linear; }

.chapters { list-style: none; margin: 0; padding: 0; position: relative; }
.chapter {
  display: grid; grid-template-columns: 1fr 160px 1fr; align-items: center;
  margin-bottom: 56px;
}
.chapter:last-child { margin-bottom: 0; }
.chapter .card { grid-column: 1; grid-row: 1; }
.chapter .marker { grid-column: 2; grid-row: 1; justify-self: end; }
.chapter:nth-child(even) .card { grid-column: 3; }
.chapter:nth-child(even) .marker { justify-self: start; }

.marker {
  position: relative; z-index: 2;
  width: 46px; height: 46px; border-radius: 50%;
  display: grid; place-items: center;
  font: 700 16px var(--serif);
  color: var(--night); background: var(--parchment);
  box-shadow: 0 0 0 6px rgba(233, 180, 76, .25), 0 0 0 1px var(--gold);
  transition: background .4s, transform .4s;
}
.chapter.reached .marker { background: var(--gold); transform: scale(1.1); }
.horizon .marker { background: transparent; color: var(--gold); border: 2px dashed var(--gold); box-shadow: none; }

.card {
  background: linear-gradient(180deg, rgba(19, 78, 111, .35), rgba(15, 42, 68, .55));
  border: 1px solid rgba(233, 241, 245, .1);
  border-radius: var(--radius);
  padding: 26px 28px;
  opacity: 0; transform: translateY(30px);
  transition: opacity .7s ease, transform .7s cubic-bezier(.2, .7, .2, 1);
}
.chapter.in .card { opacity: 1; transform: none; }
.card .where { font-size: 13px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--gold); margin-bottom: 8px; }
.card h3 { margin-bottom: 10px; }
.card p { color: #c9d8e2; font-size: 16px; }
.card.highlight { border-color: rgba(233, 180, 76, .6); box-shadow: 0 20px 50px -25px rgba(233, 180, 76, .45); }
.horizon .card { border-style: dashed; background: transparent; }
.tags { list-style: none; padding: 0; margin: 16px 0 0; display: flex; flex-wrap: wrap; gap: 8px; }
.tags li { font-size: 12.5px; padding: 4px 10px; border-radius: 999px; background: rgba(233, 241, 245, .08); color: var(--mist); }
.card .link { display: inline-block; margin-top: 14px; color: var(--gold); font-weight: 600; text-decoration: none; }
.card .link:hover { text-decoration: underline; }

@media (max-width: 860px) {
  .chapter { grid-template-columns: 64px 1fr; margin-bottom: 36px; }
  .chapter .card, .chapter:nth-child(even) .card { grid-column: 2; }
  .chapter .marker, .chapter:nth-child(even) .marker { grid-column: 1; justify-self: start; }
  .chapter:nth-child(even) .marker { margin-left: 12px; }
  .card { padding: 20px; }
}

/* ---------- code ---------- */
.code { background: var(--parchment); color: var(--ink); padding: 110px 16px; }
.code .eyebrow { color: var(--sun); }
.code .section-head .sub { color: var(--ink-soft); }
.steps {
  list-style: none; padding: 0; margin: 0 auto; max-width: var(--max);
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px;
  counter-reset: step;
}
.steps li { border-top: 2px solid var(--ink); padding-top: 22px; }
.steps .num { font: italic 600 40px var(--serif); color: var(--sun); }
.steps h3 { margin: 8px 0 10px; font-size: 26px; }
.steps p { color: var(--ink-soft); }
@media (max-width: 860px) { .steps { grid-template-columns: 1fr; } }

/* ---------- crew wanted ---------- */
.crew {
  padding: 120px 16px;
  background: radial-gradient(ellipse at top, var(--sea) 0%, var(--deep) 45%, var(--night) 100%);
}
.posters {
  max-width: var(--max); margin: 0 auto;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
}
.poster {
  position: relative;
  display: flex; flex-direction: column;
  background:
    radial-gradient(ellipse at 20% 10%, rgba(255, 255, 255, .45), transparent 60%),
    linear-gradient(160deg, var(--parchment), var(--parchment-2));
  color: var(--ink);
  border-radius: 6px;
  padding: 26px 22px 22px;
  box-shadow: 0 30px 50px -25px rgba(0, 0, 0, .8), inset 0 0 0 1px rgba(42, 33, 24, .15), inset 0 0 40px rgba(122, 83, 32, .18);
  transform: rotate(var(--tilt, 0deg));
  transition: transform .3s ease;
}
.poster:nth-child(1) { --tilt: -1.5deg; }
.poster:nth-child(2) { --tilt: 1deg; }
.poster:nth-child(3) { --tilt: -.6deg; }
.poster:nth-child(4) { --tilt: 1.4deg; }
.poster:hover { transform: rotate(0) translateY(-6px); }
.poster::before {
  content: ""; position: absolute; top: -9px; left: 50%; margin-left: -9px;
  width: 18px; height: 18px; border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #ff8a7a, var(--sun) 60%, #8f1f1b);
  box-shadow: 0 3px 6px rgba(0, 0, 0, .5);
}
.poster-top {
  text-align: center; font: 800 24px var(--serif); letter-spacing: .14em; text-transform: uppercase;
  border-top: 2px solid var(--ink); border-bottom: 2px solid var(--ink); padding: 6px 0;
}
.poster-icon {
  margin: 18px auto; width: 96px; height: 96px; border-radius: 50%;
  display: grid; place-items: center;
  color: var(--ink); background: rgba(42, 33, 24, .08);
  border: 2px solid rgba(42, 33, 24, .5);
}
.poster-icon svg { width: 56px; height: 56px; }
.poster h3 { text-align: center; font-size: 24px; margin-bottom: 14px; }
.poster dl { margin: 0 0 16px; font-size: 14.5px; line-height: 1.45; flex: 1; }
.poster dt { font-size: 11.5px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--sun); margin-top: 10px; }
.poster dd { margin: 2px 0 0; }
.reward {
  text-align: center; font: italic 600 17px var(--serif);
  border-top: 1px dashed rgba(42, 33, 24, .5); padding-top: 12px; margin-bottom: 14px;
}
@media (max-width: 1020px) { .posters { grid-template-columns: repeat(2, 1fr); gap: 32px; } }
@media (max-width: 560px) { .posters { grid-template-columns: 1fr; } }

/* ---------- logbook ---------- */
.log { padding: 120px 16px; background: var(--night); }
.log-grid {
  max-width: var(--max); margin: 0 auto;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.entry {
  display: block; text-decoration: none;
  background: var(--deep); border-radius: var(--radius); overflow: hidden;
  border: 1px solid rgba(233, 241, 245, .08);
  transition: transform .25s ease, border-color .25s ease;
}
a.entry:hover { transform: translateY(-4px); border-color: rgba(233, 180, 76, .5); }
.entry img, .type-thumb { width: 100%; aspect-ratio: 767 / 410; object-fit: cover; }
.entry > div:last-child { padding: 16px 18px 18px; }
.entry h3 { font-size: 18px; }
.entry p { font-size: 13.5px; color: var(--mist); margin-top: 4px; }
.type-thumb { display: grid; place-items: center; }
.mongol-thumb { background: linear-gradient(135deg, #1d3b5c, #0F2A44); }
.mongol-thumb span { font-family: var(--mongol); writing-mode: vertical-lr; -webkit-writing-mode: vertical-lr; font-size: 30px; color: var(--gold); }
.fhir-thumb { background: linear-gradient(135deg, var(--sun), #9c2a26); }
.fhir-thumb span { font: 800 44px var(--serif); letter-spacing: .1em; color: #fff; }
@media (max-width: 1020px) { .log-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .log-grid { grid-template-columns: 1fr; } }

/* ---------- contact ---------- */
.contact {
  text-align: center; padding: 120px 16px 130px;
  background: linear-gradient(180deg, var(--night) 0%, #3b3550 60%, #b4553f 100%);
}
.bottle { width: 160px; margin: 0 auto 24px; color: var(--gold); animation: bob 3.5s ease-in-out infinite; }
@keyframes bob { 50% { transform: translateY(-8px) rotate(-4deg); } }
.contact .sub { color: #e2d6cf; font-size: 19px; margin: 14px auto 34px; max-width: 520px; }
.contact .btn.big { max-width: 100%; overflow-wrap: anywhere; }
.socials { display: flex; justify-content: center; gap: 28px; margin-top: 30px; }
.socials a { color: var(--foam); font-weight: 500; text-decoration: none; border-bottom: 1px solid rgba(233, 241, 245, .4); }
.socials a:hover { border-color: var(--foam); }

.footer { background: #b4553f; color: rgba(255, 255, 255, .85); text-align: center; font-size: 14px; padding: 22px 16px; }

/* Mongolian Cyrillic runs longer; give headings a touch less size */
html[lang="mn"] .hero h1 { font-size: clamp(36px, 5.6vw, 66px); }
html[lang="mn"] .poster-top { font-size: 19px; letter-spacing: .08em; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
  .card { opacity: 1; transform: none; }
}