/* ownd.dk: a dark industrial control room. Plain CSS, no build. */

@font-face {
  font-family: "Press Start 2P";
  src: url("/fonts/press-start-2p.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}

:root {
  --bg: #0b0e13;
  --bg-2: #10151c;
  --panel: #161c25;
  --panel-2: #1d2530;
  --inset: #0d1117;
  --line: #273140;
  --bevel-hi: #3b4759;
  --bevel-lo: #05070a;
  --text: #c8d2dd;
  --muted: #8a97a6;
  --ink: #f3f6f9;
  --eu: #ffd23f;
  --eu-deep: #c99a12;
  --fire: #ff7a1a;
  --fire-hi: #ffb347;
  --uranium: #7dff4f;
  --cool: #4cb8ff;
  --ok: #4fdc6e;
  --danger: #ff4141;
  --steel: #9aa7b6;
  --font-pixel: "Press Start 2P", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;
  --wrap: 1140px;
  --gutter: clamp(16px, 4vw, 32px);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.65 var(--font-body);
  overflow-x: hidden;
}
img { max-width: 100%; }
a { color: var(--eu); text-underline-offset: 3px; }
a:hover { color: #fff; }
code { font-family: var(--font-mono); font-size: .92em; }
h1, h2, h3 { font-family: var(--font-pixel); color: var(--ink); line-height: 1.3; margin: 0; font-weight: 400; text-wrap: balance; }
body { font-synthesis: none; }
p { margin: 0 0 1em; }
:focus-visible { outline: 3px solid var(--eu); outline-offset: 3px; }
[hidden] { display: none !important; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }

.skip { position: absolute; left: -999px; top: 8px; z-index: 200; background: var(--eu); color: #000; padding: 8px 14px; font-weight: 700; }
.skip:focus { left: 8px; }

/* ---------- Top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 14, 19, .88);
  backdrop-filter: blur(8px);
  border-bottom: 2px solid #000;
  box-shadow: 0 1px 0 var(--line);
}
.topbar-in { display: flex; align-items: center; gap: 20px; min-height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font: 400 1.05rem/1 var(--font-pixel); }
.brand img { image-rendering: pixelated; }
.brand-dk { color: var(--steel); }
.nav { margin-left: auto; }
.nav ul { display: flex; gap: 4px; list-style: none; margin: 0; padding: 0; }
.nav a { display: block; padding: 10px 12px; color: var(--text); text-decoration: none; font: 400 .72rem/1 var(--font-pixel); }
.nav a:hover { color: var(--eu); background: var(--panel); }
.status-chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 12px; border: 2px solid #000; background: var(--panel);
  box-shadow: inset 2px 2px 0 var(--bevel-hi), inset -2px -2px 0 var(--bevel-lo);
  color: var(--text); text-decoration: none; font: 500 .85rem/1 var(--font-mono); white-space: nowrap;
}
.lamp { width: 10px; height: 10px; background: #59616c; box-shadow: 0 0 0 2px #000; flex: none; }
.is-online .lamp { background: var(--ok); box-shadow: 0 0 0 2px #000, 0 0 10px var(--ok); animation: blink 2.4s steps(1) infinite; }
.is-offline .lamp { background: var(--danger); box-shadow: 0 0 0 2px #000, 0 0 10px var(--danger); }
@keyframes blink { 0%, 92% { opacity: 1; } 93%, 100% { opacity: .35; } }

/* ---------- Hero ---------- */
.hero {
  position: relative; isolation: isolate; overflow: hidden;
  min-height: clamp(600px, 92vh, 860px);
  display: flex; align-items: flex-start;
  background: #05070f;
}
.scene { position: absolute; left: 0; bottom: 0; width: 100%; height: 100%; z-index: -2; image-rendering: pixelated; display: block; }
.hero-shade {
  position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(90deg, rgba(8, 10, 18, .82) 0%, rgba(8, 10, 18, .55) 42%, rgba(8, 10, 18, 0) 70%),
    linear-gradient(180deg, rgba(8, 10, 18, .2) 0%, rgba(8, 10, 18, 0) 40%);
}
.hero-in { padding-top: clamp(48px, 9vh, 110px); padding-bottom: 48px; }
.kicker { font: 500 .95rem/1.4 var(--font-mono); color: var(--eu); letter-spacing: .04em; text-transform: uppercase; margin-bottom: 18px; }
.kicker span { color: var(--muted); }
.wordmark { margin: 0 0 18px -4px; }
.wordmark img { display: block; width: min(620px, 92%); height: auto; filter: drop-shadow(0 6px 24px rgba(255, 140, 30, .25)); }
.motd { font: 400 1rem/1.6 var(--font-pixel); color: var(--ink); margin-bottom: 14px; }
.motd-src { font: 400 .9rem var(--font-body); color: var(--muted); }
.lead { max-width: 34em; font-size: 1.12rem; color: #dfe6ee; text-shadow: 0 1px 2px #000; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 12px 20px; border: 2px solid #000; cursor: pointer;
  font: 400 .8rem/1.2 var(--font-pixel); text-decoration: none;
  box-shadow: inset 3px 3px 0 rgba(255, 255, 255, .35), inset -3px -3px 0 rgba(0, 0, 0, .28), 0 4px 0 #000;
  transition: transform .06s, box-shadow .06s;
}
.btn:active { transform: translateY(3px); box-shadow: inset 3px 3px 0 rgba(255, 255, 255, .35), inset -3px -3px 0 rgba(0, 0, 0, .28), 0 1px 0 #000; }
.btn code { background: rgba(0, 0, 0, .18); padding: 3px 6px; font: 700 .95rem/1 var(--font-mono); }
.btn-eu { background: var(--eu); color: #15110a; }
.btn-eu:hover { background: #ffe066; color: #15110a; }
.btn-ghost { background: var(--panel-2); color: var(--ink); box-shadow: inset 3px 3px 0 var(--bevel-hi), inset -3px -3px 0 var(--bevel-lo), 0 4px 0 #000; }
.btn-ghost:hover { color: var(--eu); }
.btn.copied { background: var(--ok); }

/* ---------- Sections ---------- */
.section { padding: clamp(64px, 9vw, 112px) 0; position: relative; }
.section-alt { background: var(--bg-2); border-top: 2px solid #000; border-bottom: 2px solid #000; }
.section-head { max-width: 46em; margin-bottom: 40px; }
.section-head h2 { font-size: clamp(1.4rem, 3.4vw, 2.25rem); line-height: 1.35; margin-bottom: 16px; }
.section-head p { color: var(--muted); font-size: 1.05rem; }
.eyebrow { font: 600 .85rem/1 var(--font-mono); text-transform: uppercase; letter-spacing: .12em; color: var(--eu); margin-bottom: 14px; }
.eyebrow span { display: inline-block; padding: 3px 6px; margin-right: 8px; background: var(--eu); color: #000; }
.eyebrow-danger { color: var(--danger); }
.eyebrow-danger span { background: var(--danger); color: #000; }
.prose .big { font: 400 1.02rem/1.75 var(--font-pixel); color: var(--ink); }
.prose strong { color: var(--ink); }
.heart { color: var(--danger); font-family: var(--font-body); }

/* A machine panel: bevelled steel with rivets in the corners. */
.machine {
  position: relative;
  background:
    radial-gradient(circle at 9px 9px, #4a5668 2px, transparent 2.6px),
    radial-gradient(circle at calc(100% - 9px) 9px, #4a5668 2px, transparent 2.6px),
    radial-gradient(circle at 9px calc(100% - 9px), #4a5668 2px, transparent 2.6px),
    radial-gradient(circle at calc(100% - 9px) calc(100% - 9px), #4a5668 2px, transparent 2.6px),
    var(--panel);
  border: 2px solid #000;
  box-shadow: inset 3px 3px 0 var(--bevel-hi), inset -3px -3px 0 var(--bevel-lo), 0 10px 30px rgba(0, 0, 0, .35);
  padding: 26px;
}
.machine-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 18px; }
.machine-title { font: 400 .9rem/1.2 var(--font-pixel); color: var(--ink); }
.badge { font: 600 .75rem/1 var(--font-mono); padding: 5px 8px; background: var(--inset); border: 2px solid #000; color: var(--eu); white-space: nowrap; }
.badge-danger { color: var(--uranium); }

/* ---------- Status panel ---------- */
.status-panel { display: grid; grid-template-columns: 1fr; gap: 26px; }
.status-main { display: flex; align-items: center; gap: 18px; }
.big-lamp { width: 28px; height: 28px; flex: none; background: #59616c; border: 3px solid #000; box-shadow: inset 3px 3px 0 rgba(255, 255, 255, .25); }
.is-online .big-lamp { background: var(--ok); box-shadow: inset 3px 3px 0 rgba(255, 255, 255, .45), 0 0 22px var(--ok); }
.is-offline .big-lamp { background: var(--danger); box-shadow: inset 3px 3px 0 rgba(255, 255, 255, .45), 0 0 22px var(--danger); }
.status-state { font: 400 1.3rem/1.2 var(--font-pixel); color: var(--ink); margin: 0 0 4px; }
.status-motd { margin: 0; color: var(--muted); font-family: var(--font-mono); font-size: .95rem; }
.readouts { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 10px; margin: 0; }
.readouts > div { background: var(--inset); border: 2px solid #000; box-shadow: inset 2px 2px 0 #000, inset -2px -2px 0 #232c38; padding: 10px 14px; }
.readouts dt { font: 600 .72rem/1 var(--font-mono); color: var(--muted); text-transform: uppercase; letter-spacing: .1em; margin-bottom: 6px; }
.readouts dd { margin: 0; font: 600 1.05rem/1.2 var(--font-mono); color: var(--eu); }
.who-label { font: 600 .72rem/1 var(--font-mono); color: var(--muted); text-transform: uppercase; letter-spacing: .1em; margin-bottom: 10px; }
.who-list { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; margin: 0; padding: 0; }
.who-item, .who-guests { display: flex; align-items: center; gap: 10px; padding: 6px 12px 6px 6px; background: var(--inset); border: 2px solid #000; font: 400 .72rem/1 var(--font-pixel); color: var(--muted); opacity: .55; filter: grayscale(1); transition: opacity .3s, filter .3s; }
.who-item img { image-rendering: pixelated; border: 2px solid #000; }
.who-item.on, .who-guests { opacity: 1; filter: none; color: var(--ink); }
.who-item.on { box-shadow: 0 0 0 2px var(--ok); }
.who-item.on::after { content: "online"; font: 600 .7rem/1 var(--font-mono); color: var(--ok); text-transform: uppercase; letter-spacing: .08em; }
.who-guests { padding-left: 12px; }
.status-checked { margin: 0; font: .82rem/1.4 var(--font-mono); color: var(--muted); }
@media (min-width: 860px) {
  .status-panel { grid-template-columns: 1fr 1fr; }
  .readouts { grid-column: 1 / -1; grid-row: 2; grid-template-columns: repeat(4, 1fr); }
  .who { align-self: center; justify-self: end; }
  .status-checked { grid-column: 1 / -1; }
}

/* ---------- Story / tech tree ---------- */
.story-grid { display: grid; gap: 48px; }
@media (min-width: 900px) { .story-grid { grid-template-columns: 1fr 1.1fr; align-items: start; } .story-grid .prose { position: sticky; top: 100px; } }
.techtree { list-style: none; margin: 0; padding: 0; position: relative; }
.techtree::before {
  content: ""; position: absolute; left: 27px; top: 28px; bottom: 28px; width: 6px;
  background: #2c2016; border-left: 2px solid #000; border-right: 2px solid #000;
}
.techtree::after {
  content: ""; position: absolute; left: 29px; top: 28px; width: 2px; height: 46px;
  background: linear-gradient(transparent, var(--eu), transparent);
  animation: pulse-down 3.2s linear infinite;
  box-shadow: 0 0 8px var(--eu);
}
@keyframes pulse-down { from { transform: translateY(0); opacity: 1; } 90% { opacity: 1; } to { transform: translateY(calc(var(--tree-h, 640px) - 100px)); opacity: 0; } }
.techtree li { position: relative; display: flex; gap: 18px; align-items: flex-start; padding: 10px 0 18px; }
.techtree h3 { font-size: .9rem; line-height: 1.4; margin: 8px 0 8px; }
.techtree p { margin: 0; color: var(--muted); }
.node {
  position: relative; z-index: 1; flex: none; width: 60px; height: 60px;
  display: grid; place-items: center;
  background: var(--panel-2); border: 2px solid #000;
  box-shadow: inset 3px 3px 0 var(--bevel-hi), inset -3px -3px 0 var(--bevel-lo);
}
.node img, .mod-icon img { width: 40px; height: 40px; image-rendering: pixelated; display: block; }
.techtree .fav .node { box-shadow: inset 3px 3px 0 var(--bevel-hi), inset -3px -3px 0 var(--bevel-lo), 0 0 0 3px var(--fire), 0 0 22px rgba(255, 122, 26, .55); }
.techtree .fav h3 { color: var(--fire-hi); }
.techtree .danger .node { box-shadow: inset 3px 3px 0 var(--bevel-hi), inset -3px -3px 0 var(--bevel-lo), 0 0 0 3px var(--uranium), 0 0 22px rgba(125, 255, 79, .45); }
.techtree .danger h3 { color: var(--uranium); }

/* ---------- Mods ---------- */
.mods { display: grid; gap: 24px; }
@media (min-width: 860px) { .mods { grid-template-columns: 1fr 1fr; } }
.mod-top { display: flex; align-items: center; gap: 16px; margin-bottom: 16px; }
.mod-icon { width: 60px; height: 60px; flex: none; display: grid; place-items: center; background: var(--inset); border: 2px solid #000; }
.mod h3 { font-size: clamp(.92rem, 3.6vw, 1.2rem); overflow-wrap: anywhere; }
.mods > *, .crew > *, .rules > *, .steps > * { min-width: 0; }
.mod-ver { margin: 4px 0 0; font: 600 .85rem var(--font-mono); color: var(--eu); }
.mod-bc .mod-ver { color: var(--fire-hi); }
.tiers, .chips { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin: 0 0 18px; }
.tiers li, .chips li { font: 600 .85rem/1 var(--font-mono); padding: 7px 10px; background: var(--inset); border: 2px solid #000; color: var(--text); }
.tiers b { color: var(--eu); margin-right: 4px; }
.tiers .unit { background: none; border-color: transparent; color: var(--muted); }
.chips li { color: var(--fire-hi); }
.note { margin: 0; padding: 12px 14px; background: rgba(255, 210, 63, .07); border-left: 4px solid var(--eu); font-size: .95rem; }
.note strong { color: var(--eu); }

/* ---------- Crew ---------- */
.crew { display: grid; gap: 24px; }
@media (min-width: 900px) { .crew { grid-template-columns: 1fr 1fr; } }
.member { display: grid; gap: 22px; }
@media (min-width: 520px) { .member { grid-template-columns: 150px 1fr; } }
.head-stage { width: 150px; height: 170px; perspective: 700px; display: grid; place-items: center; margin: 0 auto; }
.head { --s: 96px; position: relative; width: var(--s); height: var(--s); transform-style: preserve-3d; transform: rotateX(-16deg) rotateY(-30deg); animation: head-spin 12s linear infinite; }
.member:nth-child(2) .head { animation-delay: -10.5s; }
.head img { position: absolute; inset: 0; width: var(--s); height: var(--s); image-rendering: pixelated; backface-visibility: hidden; }
.head .f-front { transform: translateZ(calc(var(--s) / 2)); }
.head .f-back { transform: rotateY(180deg) translateZ(calc(var(--s) / 2)); }
.head .f-right { transform: rotateY(-90deg) translateZ(calc(var(--s) / 2)); }
.head .f-left { transform: rotateY(90deg) translateZ(calc(var(--s) / 2)); }
.head .f-top { transform: rotateX(90deg) translateZ(calc(var(--s) / 2)); }
.head .f-bottom { transform: rotateX(-90deg) translateZ(calc(var(--s) / 2)); }
.head-stage::after { content: ""; position: absolute; }
@keyframes head-spin { from { transform: rotateX(-16deg) rotateY(0deg); } to { transform: rotateX(-16deg) rotateY(360deg); } }
.member-body h3 { font-size: 1.25rem; }
.role { margin: 6px 0 4px; font: 600 .85rem var(--font-mono); text-transform: uppercase; letter-spacing: .08em; color: var(--eu); }
.tagline { color: var(--ink); font-style: italic; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 0 0 18px; }
.stats > div { background: var(--inset); border: 2px solid #000; padding: 10px; }
.stats dt { font: 600 .66rem/1.2 var(--font-mono); text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin-bottom: 6px; }
.stats dd { margin: 0; font: 400 1.05rem/1.1 var(--font-pixel); color: var(--ink); }
.stats .hot { color: var(--uranium); text-shadow: 0 0 12px rgba(125, 255, 79, .6); }
.stats .good { color: var(--ok); }
.facts { margin: 0; padding-left: 1.1em; color: var(--muted); font-size: .95rem; }
.facts li { margin-bottom: 4px; }
.facts li::marker { content: "▪  "; color: var(--eu); }
@media (max-width: 420px) { .stats { grid-template-columns: repeat(2, 1fr); } }

/* ---------- Electric furnace ---------- */
.furnace-grid, .reactor-grid { display: grid; gap: 40px; align-items: start; }
@media (min-width: 900px) {
  .furnace-grid { grid-template-columns: 1fr 1.05fr; }
  .reactor-grid { grid-template-columns: 1.25fr 1fr; }
}
.hint { color: var(--muted); }
.hint-wink { color: var(--fire-hi); }
.furnace-stage {
  position: relative; display: flex; align-items: center; justify-content: space-between; gap: 18px;
  padding: 22px; background: var(--inset); border: 2px solid #000;
  box-shadow: inset 3px 3px 0 #000, inset -3px -3px 0 #232c38;
  min-height: 150px;
}
.furnace.running .furnace-stage { box-shadow: inset 3px 3px 0 #000, inset -3px -3px 0 #232c38, inset 0 0 40px rgba(255, 122, 26, .25); }
.slots { display: flex; align-items: center; gap: 14px; flex: 1; justify-content: center; }
.slot-wrap { display: grid; justify-items: center; gap: 6px; }
.slot-label { font: 600 .7rem/1 var(--font-mono); color: var(--muted); text-transform: uppercase; letter-spacing: .1em; }
.slot {
  position: relative; width: 64px; height: 64px; display: grid; place-items: center; padding: 0;
  background: #2a323d; border: 0;
  box-shadow: inset 3px 3px 0 #11161d, inset -3px -3px 0 #4a5566;
  font: inherit; color: inherit;
}
.slot img { width: 44px; height: 44px; image-rendering: pixelated; }
.slot-out { cursor: pointer; }
.slot-out:hover { background: #333d4a; }
.count { position: absolute; right: 4px; bottom: 4px; font: 400 .7rem/1 var(--font-pixel); color: #fff; text-shadow: 2px 2px 0 #000; }
.arrow { position: relative; width: 70px; height: 30px; background: #2a323d; clip-path: polygon(0 30%, 62% 30%, 62% 0, 100% 50%, 62% 100%, 62% 70%, 0 70%); }
.arrow-fill { position: absolute; inset: 0 auto 0 0; width: 0; background: linear-gradient(90deg, var(--fire), var(--fire-hi)); }
.energy { display: grid; justify-items: center; gap: 6px; }
.energy-label { font: 700 .75rem/1 var(--font-mono); color: var(--eu); }
.energy-bar { position: relative; width: 22px; height: 92px; background: #2a323d; border: 2px solid #000; box-shadow: inset 2px 2px 0 #11161d; }
.energy-fill { position: absolute; left: 0; right: 0; bottom: 0; height: 0; background: repeating-linear-gradient(0deg, var(--eu) 0 6px, var(--eu-deep) 6px 8px); box-shadow: 0 0 10px rgba(255, 210, 63, .5); }
.controls { display: flex; flex-wrap: wrap; gap: 14px 22px; margin-top: 18px; align-items: flex-end; }
.control-group { display: grid; gap: 8px; }
.control-label { font: 600 .7rem/1 var(--font-mono); color: var(--muted); text-transform: uppercase; letter-spacing: .1em; }
.control-power { display: flex; gap: 10px; align-items: center; }
.btn-row { display: flex; flex-wrap: wrap; gap: 6px; }
.key, .switch, .volt button {
  display: inline-flex; align-items: center; gap: 8px; cursor: pointer;
  padding: 8px 11px; border: 2px solid #000; background: var(--panel-2); color: var(--ink);
  font: 400 .66rem/1.2 var(--font-pixel);
  box-shadow: inset 2px 2px 0 var(--bevel-hi), inset -2px -2px 0 var(--bevel-lo);
}
.key img { width: 18px; height: 18px; image-rendering: pixelated; }
.key:hover, .switch:hover, .volt button:hover { background: #26303d; }
.key:active, .switch:active, .volt button:active { box-shadow: inset 2px 2px 0 var(--bevel-lo), inset -2px -2px 0 var(--bevel-hi); }
.switch-lamp { width: 10px; height: 10px; background: #59616c; box-shadow: 0 0 0 2px #000; }
.switch[aria-pressed="true"] .switch-lamp { background: var(--ok); box-shadow: 0 0 0 2px #000, 0 0 8px var(--ok); }
.volt { display: inline-flex; }
.volt button { margin-left: -2px; }
.volt button[aria-checked="true"] { background: var(--eu); color: #15110a; box-shadow: inset 2px 2px 0 rgba(255, 255, 255, .4), inset -2px -2px 0 rgba(0, 0, 0, .25); }
.volt button[data-volt="128"][aria-checked="true"] { background: var(--fire-hi); }
.volt button[data-volt="512"][aria-checked="true"] { background: var(--danger); color: #fff; }
.log { margin: 16px 0 6px; padding: 10px 12px; min-height: 2.9em; background: var(--inset); border: 2px solid #000; font: .9rem/1.45 var(--font-mono); color: var(--ok); }
.log.warn { color: var(--eu); }
.log.bad { color: var(--danger); }
.pocket { margin: 0; font: .85rem/1.4 var(--font-mono); color: var(--muted); }
.furnace-stage.broken { display: block; padding: 0; }
.furnace-stage.broken > :not(.wreck) { display: none; }
.wreck {
  display: grid; place-content: center; text-align: center; gap: 4px; padding: 22px 18px; min-height: 150px;
  background: radial-gradient(ellipse at center, #2b1a10 0%, #0d0907 70%);
}
.wreck-title { margin: 0 0 6px; font: 400 1.2rem/1.2 var(--font-pixel); color: var(--fire); }
.wreck p { font-size: .9rem; max-width: 30em; }
.wreck .btn { justify-self: center; font-size: .7rem; padding: 10px 14px; }
.furnace.shake, .reactor.shake { animation: shake .45s linear; }
@keyframes shake {
  0%, 100% { transform: translate(0, 0); }
  10% { transform: translate(-6px, 3px); } 20% { transform: translate(5px, -4px); } 30% { transform: translate(-7px, -2px); }
  40% { transform: translate(6px, 4px); } 50% { transform: translate(-4px, -5px); } 60% { transform: translate(4px, 3px); }
  70% { transform: translate(-3px, 2px); } 80% { transform: translate(2px, -2px); } 90% { transform: translate(-1px, 1px); }
}

/* ---------- Reactor ---------- */
.section-hazard { background: linear-gradient(180deg, #120c0c 0%, var(--bg) 100%); padding-top: 0; }
.hazard-band { height: 18px; background: repeating-linear-gradient(-45deg, #f5c400 0 16px, #111 16px 32px); border-bottom: 2px solid #000; margin-bottom: clamp(56px, 8vw, 96px); }
.reactor { --heat: 0; }
.reactor::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  box-shadow: inset 0 0 60px rgba(255, 60, 30, calc(var(--heat) * .9));
}
.core {
  display: grid; grid-template-columns: repeat(9, 1fr); gap: 3px;
  padding: 8px; background: #07090c; border: 2px solid #000;
  box-shadow: inset 0 0 calc(var(--heat) * 50px) rgba(255, 80, 30, calc(var(--heat) * .8));
}
.cell {
  aspect-ratio: 1; padding: 0; border: 0; cursor: pointer;
  background: #232a34; box-shadow: inset 2px 2px 0 #0e1218, inset -2px -2px 0 #3a4554;
  display: grid; place-items: center;
}
.cell img { width: 82%; height: 82%; image-rendering: pixelated; pointer-events: none; }
.cell:hover { background: #2e3744; }
.cell.empty { background: #14181e; }
.cell.pulled { animation: pulled .3s steps(2); }
@keyframes pulled { 50% { background: var(--danger); } }
.cell.uranium img { filter: drop-shadow(0 0 4px rgba(125, 255, 79, .7)); }
.gauge { margin-top: 18px; }
.gauge-top { display: flex; justify-content: space-between; font: 600 .8rem/1 var(--font-mono); color: var(--muted); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 8px; }
.gauge-top span:last-child { color: var(--ink); }
.gauge-sub { margin: 8px 0 0; }
.gauge-bar { position: relative; height: 22px; background: #07090c; border: 2px solid #000; overflow: hidden; }
.gauge-bar::after { content: ""; position: absolute; inset: 0; background: repeating-linear-gradient(90deg, transparent 0 9%, rgba(0, 0, 0, .55) 9% 10%); }
.gauge-fill { position: absolute; inset: 0 auto 0 0; width: 0; background: linear-gradient(90deg, var(--ok) 0%, var(--eu) 55%, var(--fire) 75%, var(--danger) 100%); background-size: var(--gauge-size, 100%) 100%; }
.reactor-controls { margin-top: 16px; }
.reactor.critical { animation: alarm-border .5s steps(1) infinite; }
@keyframes alarm-border { 50% { border-color: var(--danger); box-shadow: inset 3px 3px 0 var(--bevel-hi), inset -3px -3px 0 var(--bevel-lo), 0 0 0 3px var(--danger), 0 0 40px rgba(255, 65, 65, .5); } }
.reactor.off .core { filter: saturate(.3) brightness(.8); }
.reactor-notes h3 { font-size: 1.05rem; line-height: 1.4; margin-bottom: 16px; }
.c-vent { color: var(--steel); }
.c-cool { color: var(--cool); }
.c-uran { color: var(--uranium); }
.meltdowns { font: 600 1rem var(--font-mono); color: var(--danger); padding: 12px 14px; border: 2px dashed var(--danger); }
body.irradiated::after {
  content: ""; position: fixed; inset: 0; z-index: 90; pointer-events: none;
  background: rgba(125, 255, 79, .22); mix-blend-mode: screen; animation: rad 1.1s ease-out forwards;
}
@keyframes rad { from { opacity: 1; } to { opacity: 0; } }

/* ---------- Rules & steps ---------- */
.rules, .steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 22px; }
@media (min-width: 860px) { .rules { grid-template-columns: repeat(3, 1fr); } }
.rule { padding-top: 30px; }
.rule-n { display: block; font: 400 2.4rem/1 var(--font-pixel); color: var(--eu); margin-bottom: 10px; }
.rule h3 { font-size: 1rem; line-height: 1.45; margin-bottom: 12px; }
.rule p { margin: 0; color: var(--muted); }
.rule-danger { background:
    repeating-linear-gradient(-45deg, rgba(245, 196, 0, .06) 0 14px, transparent 14px 28px),
    var(--panel); }
.rule-danger .rule-n { color: var(--danger); }
.steps { counter-reset: step; }
@media (min-width: 700px) { .steps { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1040px) { .steps { grid-template-columns: repeat(4, 1fr); } }
.step { counter-increment: step; position: relative; padding: 26px 22px 22px; background: var(--panel); border: 2px solid #000; border-top: 6px solid var(--eu); }
.step::before { content: counter(step); display: block; font: 400 1.6rem/1 var(--font-pixel); color: var(--eu); margin-bottom: 12px; }
.step h3 { font-size: .9rem; line-height: 1.45; margin-bottom: 12px; }
.step p { color: var(--muted); font-size: .97rem; }
.step .btn { font-size: .72rem; }
.files { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.files li { display: grid; gap: 2px; padding: 8px 10px; background: var(--inset); border: 2px solid #000; font-size: .95rem; }
.files code { color: var(--muted); font-size: .78rem; word-break: break-all; }

/* ---------- Footer ---------- */
.footer { padding: 48px 0 56px; border-top: 2px solid #000; background: #07090c; color: var(--muted); font-size: .9rem; }
.footer-in { display: grid; gap: 24px; }
@media (min-width: 860px) { .footer-in { grid-template-columns: 1fr 1fr; } }
.footer-brand { font: 400 1.1rem/1 var(--font-pixel); color: var(--ink); margin-bottom: 10px; }
.footer-brand span { color: var(--steel); }
.footer a { color: var(--text); }
.footer-small { font-size: .82rem; }

/* ---------- Meltdown overlay ---------- */
.boom { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 16px; overflow-y: auto; background: rgba(6, 4, 3, .9); }
.boom-flash { position: absolute; inset: 0; background: #fff; animation: flash 1.2s ease-out forwards; pointer-events: none; }
@keyframes flash { 0% { opacity: 1; } 15% { opacity: 1; background: #fff6c8; } 100% { opacity: 0; background: #ff7a1a; } }
.boom-card { position: relative; max-width: 520px; text-align: center; padding: 30px 26px; background: #140c08; border: 2px solid #000; box-shadow: 0 0 0 3px var(--fire), 0 0 80px rgba(255, 122, 26, .45); animation: rise .6s .5s both; }
@keyframes rise { from { transform: translateY(24px) scale(.96); opacity: 0; } to { transform: none; opacity: 1; } }
.boom-crater { width: 100%; max-width: 360px; height: auto; image-rendering: pixelated; margin: 0 auto 16px; display: block; }
.boom h2 { font-size: clamp(1.4rem, 6vw, 2.3rem); line-height: 1.3; color: var(--fire); text-shadow: 4px 4px 0 #000; margin-bottom: 14px; }
.boom p { color: var(--text); }

/* ---------- Small screens ---------- */
@media (max-width: 760px) {
  .topbar-in { flex-wrap: wrap; gap: 6px 12px; padding-top: 8px; padding-bottom: 0; min-height: 0; }
  .status-chip { margin-left: auto; }
  .nav { order: 3; width: 100%; margin: 0 calc(var(--gutter) * -1); width: calc(100% + var(--gutter) * 2); overflow-x: auto; }
  .nav ul { padding: 0 calc(var(--gutter) - 7px) 4px; gap: 0; }
  .nav a { font-size: .6rem; padding: 10px 7px; }
  .hero-shade { background: linear-gradient(180deg, rgba(8, 10, 18, .78) 0%, rgba(8, 10, 18, .55) 55%, rgba(8, 10, 18, .1) 100%); }
  .furnace-stage { flex-direction: column; }
  .energy { grid-auto-flow: column; align-items: center; }
  .energy-bar { width: 140px; height: 18px; }
  .energy-fill { top: 0; bottom: 0; height: auto !important; width: var(--fill, 0%); background: repeating-linear-gradient(90deg, var(--eu) 0 6px, var(--eu-deep) 6px 8px); }
  .machine { padding: 20px 16px; }
}
@media (max-width: 400px) {
  .slot { width: 54px; height: 54px; }
  .slot img { width: 36px; height: 36px; }
  .arrow { width: 48px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001s !important; animation-iteration-count: 1 !important; transition: none !important; }
  .head { animation: none; transform: rotateX(-16deg) rotateY(-30deg); }
  .techtree::after { display: none; }
  .boom-flash { display: none; }
  .boom-card { animation: none; }
}

/* Copy fallback textarea, kept off-screen */
.sr-copy { position: fixed; left: -9999px; top: 0; opacity: 0; }

/* ---------- 404 ---------- */
.lost { min-height: 100vh; display: grid; place-items: center; text-align: center; padding: 32px 16px; }
.lost .machine { max-width: 560px; }
.lost h1 { font-size: clamp(2.4rem, 12vw, 4.5rem); color: var(--eu); text-shadow: 5px 5px 0 #000; margin-bottom: 10px; }
.lost h2 { font-size: 1.05rem; line-height: 1.4; margin-bottom: 16px; }
.lost p { color: var(--muted); }