@font-face { font-family: "Geist"; src: url(/fonts/geist-normal-300-700.woff2) format("woff2"); font-weight: 300 700; font-display: swap; }
@font-face { font-family: "Geist Mono"; src: url(/fonts/geist-mono-normal-400-600.woff2) format("woff2"); font-weight: 400 600; font-display: swap; }
@font-face { font-family: "Instrument Serif"; src: url(/fonts/instrument-serif-normal-400.woff2) format("woff2"); font-style: normal; font-weight: 400; font-display: swap; }

:root {
  --ink: #07090a;
  --text: #eceeea;
  --dim: rgba(236, 238, 234, 0.68);
  --faint: rgba(236, 238, 234, 0.42);
  --line: rgba(255, 255, 255, 0.1);
  --line-hi: rgba(255, 255, 255, 0.2);
  --bone: #e9e3d2;
  --bone-2: #d9d2bd;
  --bone-shade: #c8c0a7;
  --bone-detail: #8f8871;
  --tooth: #f1ece0;
  --cart: #bcc5bd;
  --cavity: #07090a;
  --accent: #ff5a36;
  --accent-2: #cf3c1c;
  --sans: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --serif: "Instrument Serif", "Iowan Old Style", Georgia, serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --spring: cubic-bezier(0.3, 1.3, 0.45, 1);
}

* { box-sizing: border-box; margin: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  background: var(--ink);
  color: var(--text);
  font: 400 17px/1.6 var(--sans);
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
:focus-visible { outline: 2px solid rgba(236, 238, 234, 0.85); outline-offset: 3px; border-radius: 6px; }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.wrap { width: min(1200px, calc(100% - 48px)); margin-inline: auto; }
.grain {
  position: fixed; inset: 0; z-index: -1; opacity: 0.07; pointer-events: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 .9 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}
.skip { position: absolute; left: 16px; top: -60px; z-index: 100; padding: 10px 16px; border-radius: 10px; background: var(--bone); color: #0b0e0f; font-weight: 600; font-size: 14px; }
.skip:focus { top: 12px; }

.eyebrow { font: 500 11px/1 var(--mono); text-transform: uppercase; letter-spacing: 0.14em; color: var(--faint); }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; height: 52px; padding: 0 26px; border-radius: 16px; font-weight: 600; font-size: 15px; letter-spacing: -0.005em; transition: transform 0.25s var(--spring), background 0.2s, color 0.2s; }
.btn:active { transform: scale(0.97); }
.btn.sm { height: 40px; padding: 0 18px; border-radius: 13px; font-size: 14px; }
.btn.primary { background: var(--bone); color: #0b0e0f; box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.75), 0 14px 26px -16px rgba(0, 0, 0, 0.9); }
.btn.primary:hover { background: #f6f1e3; }
.btn.ghost { background: rgba(255, 255, 255, 0.05); border: 1px solid var(--line); color: var(--dim); box-shadow: inset 1px 1px 0 rgba(255, 255, 255, 0.1); }
.btn.ghost:hover { color: var(--text); background: rgba(255, 255, 255, 0.09); }

/* ---------- glass ---------- */
.glass {
  position: relative;
  background: rgba(255, 255, 255, 0.04);
  -webkit-backdrop-filter: blur(22px) saturate(1.5);
  backdrop-filter: blur(22px) saturate(1.5);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: inset 1px 1px 0 rgba(255, 255, 255, 0.14), inset -1px -1px 0 rgba(255, 255, 255, 0.03), 0 30px 70px -34px rgba(0, 0, 0, 0.85);
}

/* ---------- navigation ---------- */
.nav { position: sticky; top: 0; z-index: 50; background: rgba(7, 9, 10, 0.62); -webkit-backdrop-filter: blur(22px) saturate(1.5); backdrop-filter: blur(22px) saturate(1.5); border-bottom: 1px solid var(--line); }
.nav-in { display: flex; align-items: center; gap: 32px; height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 12px; font: 400 24px/1 var(--serif); letter-spacing: 0; white-space: nowrap; }
.brand .mark { color: var(--bone); flex: none; }
.links { margin-left: auto; display: flex; gap: 30px; }
.links a { font-size: 14.5px; color: var(--dim); transition: color 0.2s; }
.links a:hover { color: var(--text); }

/* ---------- hero ---------- */
.hero { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 72px; align-items: center; padding-block: clamp(56px, 7vw, 104px) clamp(72px, 8vw, 112px); }
.hero h1 { font: 400 clamp(46px, 6.2vw, 90px)/0.98 var(--serif); letter-spacing: -0.015em; margin: 22px 0 30px; max-width: 11.5em; }
.lede { font-size: clamp(17px, 1.5vw, 20px); line-height: 1.6; color: var(--dim); max-width: 34em; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 38px; }
.meta { display: grid; grid-template-columns: repeat(3, auto); justify-content: start; gap: 8px 56px; margin-top: 64px; padding-top: 22px; border-top: 1px solid var(--line); }
.meta dt { font: 500 10.5px/1 var(--mono); text-transform: uppercase; letter-spacing: 0.14em; color: var(--faint); margin-bottom: 10px; }
.meta dd { font-size: 15px; }

.plate { padding: 30px 26px 0; }
.plate::before { content: ""; position: absolute; inset: 14px; border: 1px solid rgba(255, 255, 255, 0.05); border-radius: 18px; pointer-events: none; }
.plate svg { display: block; width: 100%; height: auto; }
.plate figcaption { display: flex; justify-content: space-between; gap: 12px; padding: 16px 6px 20px; font-size: 10px; text-transform: uppercase; letter-spacing: 0.16em; color: var(--faint); }

/* ---------- sections ---------- */
.sec { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: 24px; padding-block: 104px; border-top: 1px solid var(--line); }
.sec-label { grid-column: 1 / 4; padding-top: 14px; font-size: 11px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.14em; color: var(--faint); }
.sec-label span { color: var(--text); margin-right: 12px; }
.sec-body { grid-column: 4 / 13; min-width: 0; }
.sec h2 { font: 400 clamp(34px, 4vw, 58px)/1.06 var(--serif); letter-spacing: -0.01em; max-width: 16em; }
.intro { margin-top: 22px; font-size: 19px; line-height: 1.55; color: var(--dim); max-width: 36em; }

.title { margin-top: 56px; padding: 44px; }
.title-head { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 6fr); gap: 56px; align-items: end; }
.title h3 { font: 400 clamp(60px, 6.6vw, 96px)/0.95 var(--serif); letter-spacing: -0.015em; margin: 18px 0 8px; }
.sub { font-size: 12px; text-transform: uppercase; letter-spacing: 0.14em; color: var(--dim); margin-bottom: 22px; }
.title p { color: var(--dim); font-size: 16.5px; line-height: 1.62; }
.title .eyebrow { color: var(--faint); }
.title .sub { color: var(--dim); }
.title .btn { margin-top: 28px; }
.title-copy p { max-width: 34em; }
.shot { margin-top: 44px; }
.shot img { display: block; width: 100%; height: auto; border-radius: 16px; border: 1px solid var(--line-hi); box-shadow: 0 24px 60px -30px rgba(0, 0, 0, 0.9); }
.shot figcaption { margin-top: 14px; font-size: 13.5px; color: var(--faint); line-height: 1.5; }

.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; margin-top: 64px; }
.mini { font: 500 11px/1 var(--mono); text-transform: uppercase; letter-spacing: 0.14em; color: var(--faint); margin-bottom: 18px; }
.rows > div { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 20px; padding: 18px 0; border-top: 1px solid var(--line); }
.rows > div:last-child { border-bottom: 1px solid var(--line); }
.rows dt { font: 400 24px/1.15 var(--serif); letter-spacing: 0; }
.rows dd { color: var(--dim); font-size: 15.5px; line-height: 1.55; padding-top: 3px; }
.rows.two { display: grid; grid-template-columns: 1fr 1fr; column-gap: 56px; margin-top: 52px; }
.rows.two > div { display: block; padding: 26px 0 30px; border-bottom: 0; }
.rows.two dt { font-size: 28px; margin-bottom: 10px; }
.rows.two dd { padding-top: 0; font-size: 16px; max-width: 30em; }
.more { margin-top: 56px; color: var(--dim); font-size: 16px; }

.rules { list-style: none; padding: 0; display: grid; grid-template-columns: 1fr 1fr; column-gap: 56px; margin-top: 52px; }
.rules li { padding: 26px 0 40px; border-top: 1px solid var(--line); }
.rules .num { display: block; font-size: 11px; letter-spacing: 0.14em; color: var(--faint); margin-bottom: 18px; }
.rules h3 { font: 400 32px/1.1 var(--serif); letter-spacing: -0.005em; margin-bottom: 12px; }
.rules p { color: var(--dim); font-size: 16px; max-width: 28em; }

.faq { margin-top: 44px; border-bottom: 1px solid var(--line); }
.faq details { border-top: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 26px 0; font: 400 clamp(22px, 2.2vw, 28px)/1.2 var(--serif); letter-spacing: 0; transition: color 0.2s; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; flex: none; font: 400 26px/1 var(--mono); color: var(--faint); transition: transform 0.35s var(--spring), color 0.2s; }
.faq summary:hover { color: #fff; }
.faq summary:hover::after { color: var(--text); }
.faq details[open] summary::after { transform: rotate(45deg); color: var(--text); }
.faq details p { padding: 0 0 30px; max-width: 40em; color: var(--dim); font-size: 17px; }

/* ---------- footer ---------- */
.foot { border-top: 1px solid var(--line); padding-top: 72px; }
.foot-in { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 3fr) minmax(0, 3fr); gap: 48px; }
.foot-brand p { margin-top: 18px; color: var(--dim); font-size: 15.5px; max-width: 22em; }
.foot-col { display: flex; flex-direction: column; gap: 12px; }
.foot-col h2 { font: 500 11px/1 var(--mono); text-transform: uppercase; letter-spacing: 0.14em; color: var(--faint); margin-bottom: 8px; }
.foot-col a { color: var(--dim); font-size: 15px; transition: color 0.2s; }
.foot-col a:hover { color: var(--text); }
.foot-base { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px 24px; margin-top: 72px; padding-block: 28px 44px; border-top: 1px solid var(--line); font-size: 11px; letter-spacing: 0.06em; color: var(--faint); }

/* ---------- annotated plate (same drawing the game uses) ---------- */
.sk .o { fill: var(--cavity); stroke: var(--cavity); stroke-width: 2.4px; stroke-linejoin: round; }
.sk .o.ol { fill: none; stroke-linecap: round; }
.sk .o.thin { stroke-width: 1.1px; }
.sk .f-bone { fill: var(--bone); }
.sk .f-bone2 { fill: var(--bone-2); }
.sk .f-tooth { fill: var(--tooth); }
.sk .fl { fill: none; stroke-linecap: round; }
.sk .f-cart { stroke: var(--cart); }
.sk .s { fill: var(--bone-shade); }
.sk .d { fill: none; stroke: var(--bone-detail); stroke-linecap: round; }
.sk .hit { display: none; }
.sk .layer-voids path { fill: var(--cavity); }
.sk .layer-rims path { fill: var(--bone-2); }
.sk .layer-bones, .sk .layer-rims { transition: opacity 0.4s var(--ease); }
.sk.focus .layer-bones, .sk.focus .layer-rims { opacity: 0.58; }
.sk .hl { --hi: var(--accent); --hi-2: var(--accent-2); animation: hlin 0.35s var(--ease); }
.sk .hl .f { fill: var(--hi); }
.sk .hl .fl { stroke: var(--hi); }
.sk .hl .s { fill: var(--hi-2); }
.sk .hl .d { stroke: rgba(0, 0, 0, 0.3); }
@keyframes hlin { from { opacity: 0; } }

.sk .lab { cursor: default; }
.sk .lab .halo { stroke: var(--cavity); stroke-width: 4.5px; fill: none; }
.sk .lab .leader { stroke: rgba(236, 238, 234, 0.8); stroke-width: 1.4px; fill: none; transition: stroke 0.25s; }
.sk .lab .pin { fill: #0b0e0f; stroke: var(--bone); stroke-width: 2.4px; transition: fill 0.25s, stroke 0.25s; }
.sk .lab text { font: 500 19px var(--mono); fill: var(--text); transition: fill 0.25s; }
.sk .lab text .n { fill: var(--faint); }
.sk .lab.on .leader { stroke: var(--accent); }
.sk .lab.on .pin { fill: var(--accent); stroke: var(--cavity); }
.sk .lab.on text { fill: var(--accent); }
.sk .lab.on text .n { fill: var(--accent); }
.sk .lab .area { fill: transparent; }

/* ---------- tablet ---------- */
@media (max-width: 1020px) {
  .hero { grid-template-columns: minmax(0, 1fr); gap: 56px; }
  .plate { max-width: 560px; width: 100%; margin-inline: auto; }
  .sec { display: block; padding-block: 80px; }
  .sec-label { margin-bottom: 24px; padding-top: 0; }
  .title { padding: 32px; }
  .title-head { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .shot { margin-top: 36px; }
  .foot-in { grid-template-columns: 1fr 1fr; }
  .foot-brand { grid-column: 1 / -1; }
}

/* ---------- phone ---------- */
@media (max-width: 720px) {
  body { font-size: 16.5px; }
  .wrap { width: calc(100% - 36px); }
  .nav-in { height: 60px; gap: 16px; }
  .links { display: none; }
  .nav .btn { margin-left: auto; }
  .brand { font-size: 21px; gap: 10px; }
  .hero { padding-block: 44px 64px; gap: 44px; }
  .meta { grid-template-columns: 1fr 1fr; gap: 22px 28px; }
  .meta > div:first-child { grid-column: 1 / -1; }
  .cta-row .btn { flex: 1 1 100%; }
  .sec { padding-block: 64px; }
  .title { padding: 22px; border-radius: 24px; margin-top: 40px; }
  .detail-grid, .rules, .rows.two { grid-template-columns: minmax(0, 1fr); }
  .detail-grid { gap: 40px; margin-top: 48px; }
  .rows > div { grid-template-columns: 96px minmax(0, 1fr); gap: 14px; }
  .rows dt { font-size: 22px; }
  .foot { padding-top: 56px; }
  .foot-base { margin-top: 48px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}