:root {
  --coal: #120c09;
  --plate: #1b130e;
  --seam: #3d2e22;
  --seam-hi: #5a4332;
  --bone: #f6ecd8;
  --dust: #b9ab94;
  --amber: #ffb23e;
  --amber-lo: #a8650f;
  --px: 'Silkscreen', monospace;
  --num: 'VT323', monospace;
  --gutter: 84px;
}
* { box-sizing: border-box; margin: 0; }
html { scroll-behavior: smooth; }
body { background: var(--coal); color: var(--bone); font: 22px/1.25 var(--num); -webkit-font-smoothing: none; overflow-x: hidden; }
a { color: inherit; }
canvas { image-rendering: pixelated; }
[hidden] { display: none !important; }

.btn { display: inline-block; font: 700 12px var(--px); letter-spacing: 0.06em; text-transform: uppercase; text-decoration: none; padding: 11px 16px; background: #2a1e16; color: var(--bone); border: 2px solid var(--seam-hi); border-bottom-width: 5px; cursor: pointer; }
.btn:hover { background: #35271c; }
.btn:active { border-bottom-width: 2px; transform: translateY(3px); }
.btn.primary { background: var(--amber); color: #201305; border-color: var(--amber-lo); }
.btn.primary:hover { background: #ffc15f; }
.btn.big { font-size: 15px; padding: 16px 22px; border-bottom-width: 7px; }
.btn.big:active { border-bottom-width: 2px; transform: translateY(5px); }

/* depth gauge down the left edge */
.gauge { position: fixed; left: 0; top: 0; bottom: 0; width: 56px; z-index: 30; pointer-events: none; }
.gauge-rule { position: absolute; left: 18px; top: 0; bottom: 0; width: 14px;
  background:
    linear-gradient(var(--seam-hi), var(--seam-hi)) 0 0 / 2px 100% no-repeat,
    repeating-linear-gradient(to bottom, var(--seam-hi) 0 2px, transparent 2px 16px) 0 0 / 8px 100% no-repeat,
    repeating-linear-gradient(to bottom, var(--dust) 0 2px, transparent 2px 80px) 0 0 / 14px 100% no-repeat; }
.gauge-read { position: absolute; left: 10px; top: 50%; transform: translateY(-50%); background: var(--amber); color: #201305; font: 22px/1 var(--num); padding: 3px 7px 2px; border: 2px solid #201305; white-space: nowrap; }

/* the surface: live feed with the sign on top */
.surface { position: relative; height: 100vh; min-height: 640px; overflow: hidden; border-bottom: 4px solid #0a0706; }
#feed { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.scrim { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(14, 9, 6, 0.93) 0, rgba(14, 9, 6, 0.8) 34%, rgba(14, 9, 6, 0.15) 68%, rgba(14, 9, 6, 0) 100%); }
.nav { position: absolute; top: 20px; left: var(--gutter); right: 28px; display: flex; gap: 26px; align-items: center; font: 400 11px var(--px); letter-spacing: 0.08em; text-transform: uppercase; z-index: 2; }
.nav a { text-decoration: none; color: var(--dust); }
.nav a:hover { color: var(--amber); }
.nav .brand { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 16px; color: var(--amber); margin-right: 14px; letter-spacing: 0.14em; }
.brand-pick { width: 30px; height: 30px; background: url(/logo.png) center / contain no-repeat; image-rendering: pixelated; }

.sign { position: absolute; left: var(--gutter); top: 50%; transform: translateY(-54%); z-index: 2; max-width: 880px; }
.live { font: 400 11px var(--px); letter-spacing: 0.16em; text-transform: uppercase; color: var(--dust); display: flex; align-items: center; gap: 9px; }
.live i { width: 9px; height: 9px; background: #ff5a48; animation: blink 1.2s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0.15; } }
h1 { font: 700 clamp(44px, 7.4vw, 118px)/0.92 var(--px); color: var(--amber); letter-spacing: -0.02em; text-transform: uppercase; margin: 14px 0 22px -0.04em; text-shadow: 0.06em 0.06em 0 #4b2804; }
h1 span { display: block; font-size: 0.42em; letter-spacing: 0.3em; color: var(--bone); text-shadow: none; margin: 0 0 0.25em 0.1em; }
.say { font-size: clamp(22px, 2vw, 30px); line-height: 1.1; color: var(--bone); }
.cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }

.tally { position: absolute; left: var(--gutter); right: 28px; bottom: 26px; display: flex; z-index: 2; background: var(--plate); border: 2px solid var(--seam); box-shadow: inset 0 2px 0 var(--seam-hi), 5px 5px 0 rgba(0, 0, 0, 0.55); }
.tally div { padding: 9px 22px 8px; border-left: 2px solid var(--seam); }
.tally div:first-child { border-left: 0; }
.tally dt { font: 400 9px var(--px); letter-spacing: 0.1em; text-transform: uppercase; color: var(--dust); }
.tally dd { font-size: 34px; line-height: 1; }
.tally .ticker { flex: 1; min-width: 0; }
.tally .ticker dd { font-size: 24px; line-height: 34px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color: var(--dust); }
.tally .ticker dd b { color: var(--bone); font-weight: 400; }
.tally .ticker dd i { color: var(--amber); font-style: normal; }

/* strata */
.stratum { position: relative; padding: 110px 28px 120px var(--gutter); background-color: var(--rock); background-image: var(--grit); background-size: 192px 192px; image-rendering: pixelated; }
.stratum::before { content: ''; position: absolute; left: 0; right: 0; top: 0; height: 32px; background: var(--edge) repeat-x; background-size: 512px 32px; image-rendering: pixelated; }
.s1 { --rock: #2e2219; }
.s2 { --rock: #25242b; }
.s3 { --rock: #2a181c; }
.s4 { --rock: #0e0907; padding-bottom: 150px; }
.wrap { max-width: 1120px; image-rendering: auto; }
.mark { font: 28px/1 var(--num); color: var(--amber); }
h2 { font: 700 clamp(28px, 4vw, 52px)/1 var(--px); text-transform: uppercase; letter-spacing: -0.01em; margin: 6px 0 44px; }

.steps { list-style: none; padding: 0; border-top: 2px solid rgba(255, 255, 255, 0.09); }
.steps li { display: grid; grid-template-columns: 120px 288px 1fr; gap: 28px; align-items: center; padding: 26px 0; border-bottom: 2px solid rgba(255, 255, 255, 0.09); }
.steps b { font: 400 96px/0.8 var(--num); color: var(--amber); }
.steps canvas { width: 288px; height: 192px; background: #17100c; border: 2px solid #0a0706; box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.05); }
.steps h3 { font: 700 20px var(--px); text-transform: uppercase; margin-bottom: 8px; }
.steps p { color: var(--dust); max-width: 46ch; font-size: 24px; line-height: 1.15; }

.chart { display: grid; grid-template-columns: 1.7fr 1fr; gap: 40px; align-items: start; }
table { width: 100%; border-collapse: collapse; }
th { font: 400 9px var(--px); letter-spacing: 0.1em; text-transform: uppercase; color: var(--dust); text-align: left; padding: 0 14px 10px 0; }
td { padding: 9px 14px 9px 0; border-top: 2px solid rgba(255, 255, 255, 0.09); vertical-align: middle; }
.ore-table td:first-child { width: 60px; padding-right: 10px; }
.ore-table canvas { width: 48px; height: 60px; display: block; }
.ore-table td:nth-child(2) { font: 700 14px var(--px); text-transform: uppercase; white-space: nowrap; }
.ore-table td:nth-child(3) { color: var(--bone); }
.ore-table td:nth-child(4) { color: var(--dust); font-size: 20px; }
.depth-table td { font-size: 28px; }
.depth-table td:first-child { font: 700 14px var(--px); text-transform: uppercase; }
.depth-table td:nth-child(2) { color: var(--amber); white-space: nowrap; }
.fine { color: var(--dust); margin-top: 28px; max-width: 80ch; }
.fine b { color: var(--bone); font-weight: 400; }
.fine a { color: var(--amber); }

.two { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.lead { margin-bottom: 14px; max-width: 44ch; }
.prompt, .calls { white-space: pre-wrap; word-break: break-word; font: 22px/1.2 var(--num); background: #0e0906; border: 2px dashed var(--seam-hi); padding: 16px; }
.prompt { user-select: all; color: var(--bone); }
.calls { border-style: solid; white-space: pre; overflow-x: auto; }
.calls i { font-style: normal; color: var(--amber); }
.calls u { text-decoration: none; color: var(--dust); }
.row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 16px; }

.board { list-style: none; padding: 0; margin-bottom: 40px; max-width: 760px; border-top: 2px solid rgba(255, 255, 255, 0.09); }
.board li { display: grid; grid-template-columns: 56px 1fr auto auto; gap: 18px; align-items: baseline; padding: 9px 0; border-bottom: 2px solid rgba(255, 255, 255, 0.09); }
.board .rank { font-size: 30px; color: var(--dust); }
.board li:nth-child(-n+3) .rank { color: var(--amber); }
.board .name { font: 700 15px var(--px); text-transform: uppercase; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.board .n { color: var(--dust); }
.board .sol { color: var(--amber); font-size: 28px; }
.s4 .btn.big { margin-top: 36px; }

.foot { background: #070504; padding: 26px 28px 30px var(--gutter); display: flex; flex-wrap: wrap; gap: 10px 28px; font: 400 10px var(--px); letter-spacing: 0.08em; text-transform: uppercase; color: var(--dust); border-top: 2px solid var(--seam); }
.foot a { text-decoration: none; }
.foot a:hover { color: var(--amber); }
.foot span { margin-right: auto; }

/* the ride down */
.descent { position: fixed; inset: 0; z-index: 100; background: #070504; display: grid; place-items: center; overflow: hidden; }
.shaft { position: absolute; top: -400px; bottom: -400px; left: 50%; width: 260px; margin-left: -130px;
  background:
    linear-gradient(90deg, #3d2e22 0 12px, transparent 12px calc(100% - 12px), #3d2e22 calc(100% - 12px)),
    repeating-linear-gradient(to bottom, #1d1510 0 76px, #5a4332 76px 84px, #1d1510 84px 100px);
  animation: fall 0.28s linear infinite; }
@keyframes fall { to { transform: translateY(-100px); } }
#cage { position: relative; width: 160px; height: 176px; animation: rattle 0.12s steps(2) infinite; }
@keyframes rattle { 50% { transform: translate(1px, 2px); } }
.descent p { position: absolute; bottom: 12vh; left: 0; right: 0; text-align: center; font: 64px/1 var(--num); color: var(--amber); }
.descent p::before { content: '−'; }

@media (max-width: 900px) {
  :root { --gutter: 62px; }
  body { font-size: 20px; }
  .nav a:not(.brand):not(.x-btn) { display: none; }
  .tally div:nth-child(3), .tally div:nth-child(4), .tally .ticker { display: none; }
  .tally div { flex: 1; padding: 8px 14px 7px; }
  .scrim { background: linear-gradient(180deg, rgba(14, 9, 6, 0.88) 0, rgba(14, 9, 6, 0.72) 60%, rgba(14, 9, 6, 0.4) 100%); }
  .sign { right: 20px; }
  h1 { font-size: 7.6vw; }
  .stratum { padding: 80px 20px 90px var(--gutter); }
  .steps li { grid-template-columns: 1fr; gap: 12px; }
  .steps b { font-size: 64px; }
  .steps canvas { width: 240px; height: 160px; }
  .chart, .two { grid-template-columns: 1fr; }
  .ore-table th:nth-child(4), .ore-table td:nth-child(4) { display: none; }
  .board li { grid-template-columns: 40px 1fr auto; }
  .board .n { display: none; }
  .btn.big { font-size: 12px; padding: 14px 16px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .shaft, #cage, .live i { animation: none; }
}

/* ---------- who is on shift ---------- */
.s0 { --rock: #3a2b1f; }
.crew { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(430px, 1fr)); gap: 16px; }
.crew-card { display: grid; grid-template-columns: 168px 1fr; text-decoration: none; background: var(--plate); border: 2px solid var(--seam); box-shadow: inset 0 2px 0 var(--seam-hi), 4px 4px 0 rgba(0, 0, 0, 0.5); }
.crew-card:hover { border-color: var(--amber-lo); }
.crew-card canvas { width: 168px; height: 108px; display: block; border-right: 2px solid var(--seam); background: #17100c; }
.crew-body { padding: 8px 12px; min-width: 0; display: grid; grid-template-columns: 1fr auto; align-content: start; column-gap: 8px; }
.crew-name { font: 700 13px var(--px); text-transform: uppercase; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.crew-time { color: var(--amber); font-size: 22px; line-height: 1; }
.crew-what, .crew-note, .crew-foot { grid-column: 1 / 3; font-size: 19px; line-height: 1.1; color: var(--dust); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.crew-what { color: var(--bone); margin-top: 4px; }
.crew-what i { display: inline-block; width: 9px; height: 9px; margin-right: 7px; }
.crew-note { color: var(--amber); min-height: 21px; }
.co-tag { font: 400 8px var(--px); border: 2px solid var(--seam-hi); padding: 1px 4px; color: var(--dust); margin-left: 6px; vertical-align: middle; letter-spacing: 0.06em; }

/* ---------- the walkthrough ---------- */
.stages { list-style: none; padding: 0; }
.stage { display: grid; grid-template-columns: 480px 1fr; gap: 44px; align-items: center; padding: 34px 0; border-top: 2px solid rgba(255, 255, 255, 0.09); }
.stage:nth-child(even) { grid-template-columns: 1fr 480px; }
.stage:nth-child(even) .scene { order: 2; }
.scene { width: 480px; max-width: 100%; aspect-ratio: 5 / 3; background: #17100c; border: 2px solid #0a0706; box-shadow: 0 0 0 2px var(--seam), 6px 6px 0 rgba(0, 0, 0, 0.5); overflow: hidden; }
.scene canvas { width: 100%; height: 100%; display: block; }
.tell .num { font: 400 72px/0.8 var(--num); color: var(--amber); display: block; }
.tell h3 { font: 700 24px var(--px); text-transform: uppercase; margin: 8px 0 10px; }
.tell p { font-size: 24px; line-height: 1.15; max-width: 48ch; }
.tell p b, .facts b { color: var(--amber); font-weight: 400; }
.facts { list-style: none; padding: 0; margin-top: 14px; max-width: 52ch; }
.facts li { position: relative; padding: 5px 0 5px 22px; color: var(--dust); font-size: 21px; line-height: 1.15; }
.facts li::before { content: ''; position: absolute; left: 2px; top: 13px; width: 8px; height: 8px; background: var(--amber); }

.slip { padding: 14px 16px; display: flex; flex-direction: column; background: #0e0906; }
.slip-head { display: flex; align-items: center; gap: 8px; font: 700 12px var(--px); text-transform: uppercase; }
.slip-head i { width: 12px; height: 12px; }
.slip-head em { margin-left: auto; font: 400 9px var(--px); font-style: normal; color: var(--dust); border: 2px solid var(--seam-hi); padding: 2px 5px; }
.slip h4 { font: 700 15px var(--px); text-transform: uppercase; margin: 8px 0 4px; }
.slip-body { font-size: 18px; line-height: 1.08; color: var(--dust); min-height: 58px; }
.slip-data { flex: 1; min-height: 0; overflow: hidden; margin-top: 6px; padding: 7px 9px; font: 17px/1.05 var(--num); color: var(--bone); background: #17100c; border: 2px solid var(--seam); white-space: pre-wrap; word-break: break-all; }
.slip-answer { display: flex; align-items: center; gap: 8px; margin-top: 8px; min-height: 26px; opacity: 0; }
.slip-answer.on { opacity: 1; }
.slip-answer span { font: 400 9px var(--px); text-transform: uppercase; color: var(--dust); white-space: nowrap; }
.slip-answer code { flex: 1; min-width: 0; font: 18px var(--num); color: var(--amber); white-space: nowrap; overflow: hidden; }
.slip-answer b { font: 700 11px var(--px); text-transform: uppercase; color: #201305; background: var(--amber); padding: 4px 7px; transform: rotate(-4deg) scale(0); }
.slip-answer b.on { transform: rotate(-4deg) scale(1); transition: transform 0.18s steps(3); }

/* ---------- callouts ---------- */
.callouts { position: fixed; right: 20px; top: 62px; z-index: 40; width: 370px; max-width: calc(100vw - 84px); display: flex; flex-direction: column; gap: 8px; pointer-events: none; }
.callout { display: grid; grid-template-columns: 32px 1fr auto; gap: 10px; align-items: center; padding: 8px 12px 8px 10px; background: var(--plate); border: 2px solid var(--seam-hi); box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.6); animation: co-in 0.3s steps(5); }
.callout.money { border-color: var(--amber-lo); }
.callout.out { opacity: 0; transform: translateX(40px); transition: all 0.35s steps(5); }
@keyframes co-in { from { transform: translateX(60px); opacity: 0; } }
.callout canvas { width: 32px; height: 32px; }
.co-text { min-width: 0; }
.co-text b { display: block; font: 700 11px var(--px); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.co-text > span { display: block; font-size: 18px; line-height: 1.05; color: var(--dust); }
.co-amt { text-align: right; font-size: 24px; line-height: 1; color: var(--amber); white-space: nowrap; }
.co-amt small { display: block; font-size: 16px; color: var(--dust); }

@media (max-width: 1000px) {
  .stage, .stage:nth-child(even) { grid-template-columns: 1fr; gap: 18px; }
  .stage:nth-child(even) .scene { order: 0; }
  .crew { grid-template-columns: 1fr; }
  .crew-card { grid-template-columns: 112px 1fr; }
  .crew-card canvas { width: 112px; height: 72px; }
  .tell p { font-size: 21px; }
  .callouts { top: auto; bottom: 12px; right: 10px; }
  .callout:not(:last-child) { display: none; }
}
.crew-name { display: flex; align-items: center; }
.crew-name .co-tag { flex: none; }
@media (max-width: 1000px) {
  .stage, .stage:nth-child(even) { grid-template-columns: minmax(0, 1fr); }
  .scene { width: 100%; max-width: 480px; }
  .wrap { min-width: 0; }
  .crew-card { min-width: 0; }
  .callouts { width: auto; left: 62px; }
}
@media (max-width: 1000px) {
  .chart, .two { grid-template-columns: minmax(0, 1fr); }
  .two > div, .chart > * { min-width: 0; }
}

.nav .x-btn { margin-left: auto; display: flex; align-items: center; gap: 8px; padding: 8px 12px; background: var(--plate); color: var(--bone); border: 2px solid var(--seam-hi); border-bottom-width: 4px; }
.nav .x-btn:hover { color: var(--amber); border-color: var(--amber-lo); }
.x-btn svg { width: 16px; height: 16px; display: block; }