/* Poseidon — a dive from the surface to Challenger Deep. */

:root {
  --ink: #e9f5f8;
  --ink-2: rgba(233, 245, 248, .72);
  --ink-3: rgba(233, 245, 248, .48);
  --line: rgba(150, 215, 230, .16);
  --line-2: rgba(150, 215, 230, .28);
  --panel: rgba(3, 17, 27, .58);
  --panel-2: rgba(3, 14, 22, .78);
  --cyan: #63f2ff;
  --amber: #ffbd59;
  --violet: #b49cff;
  --coral: #ff8a7a;
  --steel: #cfd9e2;
  --green: #6ff2b0;
  --serif: "Instrument Serif", "Iowan Old Style", Georgia, serif;
  --sans: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --gutter: clamp(16px, 5vw, 72px);
  --maxw: 1180px;
  --kind: var(--cyan);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  color: var(--ink);
  font: 400 16px/1.62 var(--sans);
  /* What you see without WebGL or JS: the same dive, as a gradient. */
  background: #03121c linear-gradient(180deg, #0c3a4f 0, #0a3446 8%, #06263a 20%, #04182a 38%, #020c16 60%, #01060c 82%, #000 100%);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
html.gl body { background: #03121c; }

a { color: inherit; text-decoration-color: rgba(99, 242, 255, .45); text-underline-offset: 3px; }
a:hover { color: var(--cyan); }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 4px; }
code, kbd { font-family: var(--mono); font-size: .86em; }
code { color: var(--cyan); background: rgba(99, 242, 255, .07); padding: .08em .35em; border-radius: 5px; }
kbd { border: 1px solid var(--line-2); border-bottom-width: 2px; border-radius: 5px; padding: 0 .4em; color: var(--ink); }
strong, b { font-weight: 600; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: fixed; left: 12px; top: -60px; z-index: 50; background: var(--cyan); color: #001; padding: 8px 14px; border-radius: 8px; }
.skip:focus { top: 12px; }
.muted { color: var(--ink-3); }

/* ───────────── Layers ───────────── */
#ocean, #life { position: fixed; inset: 0; width: 100%; height: 100%; display: none; }
#ocean { z-index: 0; }
#life { z-index: 1; pointer-events: none; }
html.gl #ocean { display: block; }
html.js #life { display: block; }
.lamp {
  position: fixed; inset: 0; z-index: 2; pointer-events: none; opacity: var(--lamp, 0);
  background: radial-gradient(260px circle at var(--mx, 50%) var(--my, 50%), rgba(140, 230, 255, .07), transparent 70%);
}
main { position: relative; z-index: 3; }

/* ───────────── HUD ───────────── */
.hud-top {
  position: fixed; z-index: 20; top: 0; left: 0; right: 0;
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px var(--gutter) 22px; pointer-events: none;
  background: linear-gradient(rgba(1, 9, 15, .72), rgba(1, 9, 15, .35) 60%, transparent);
}
.hud-top > * { pointer-events: auto; }
.brand { display: inline-flex; gap: 10px; align-items: center; text-decoration: none; font: 500 12px/1 var(--mono); letter-spacing: .32em; }
.brand svg { width: 26px; height: 26px; color: var(--cyan); filter: drop-shadow(0 0 6px rgba(99, 242, 255, .5)); }
.hud-tools { display: flex; gap: 8px; }
.tool {
  width: 38px; height: 38px; display: grid; place-items: center; cursor: pointer;
  border-radius: 10px; border: 1px solid var(--line-2); color: var(--ink);
  background: rgba(3, 17, 27, .45); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  font: 600 13px/1 var(--mono);
  transition: border-color .2s, color .2s, box-shadow .2s;
}
.tool:hover { border-color: var(--cyan); color: var(--cyan); }
.tool svg { width: 18px; height: 18px; }
.tool .wave { opacity: .25; transition: opacity .2s; }
.tool[aria-pressed="true"] { color: var(--cyan); border-color: var(--cyan); box-shadow: 0 0 18px -4px var(--cyan); }
.tool[aria-pressed="true"] .wave { opacity: 1; }

.gauge {
  position: fixed; z-index: 15; right: clamp(10px, 2.2vw, 30px); top: 50%; transform: translateY(-50%);
  height: min(62vh, 560px); width: 120px; pointer-events: none;
}
.gauge-track { position: absolute; right: 0; top: 0; bottom: 0; width: 2px; background: var(--line); border-radius: 2px; }
.gauge-fill { position: absolute; left: 0; right: 0; top: 0; height: var(--p, 0%); background: linear-gradient(var(--cyan), rgba(99, 242, 255, .2)); border-radius: 2px; }
.gauge-mark { position: absolute; right: -5px; top: var(--p, 0%); width: 12px; height: 12px; margin-top: -6px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 4px rgba(99, 242, 255, .15), 0 0 16px var(--cyan); }
.gauge-ticks { list-style: none; margin: 0; padding: 0; }
.gauge-ticks li { position: absolute; right: 14px; top: var(--t); transform: translateY(-50%); pointer-events: auto; }
.gauge-ticks a {
  display: block; text-align: right; text-decoration: none; white-space: nowrap;
  font: 500 10px/1.25 var(--mono); letter-spacing: .08em; color: var(--ink-3); transition: color .2s;
}
.gauge-ticks a::after { content: ""; position: absolute; right: -16px; top: 50%; width: 8px; height: 1px; background: var(--line-2); }
.gauge-ticks a small { display: block; font-size: 9px; opacity: .7; }
.gauge-ticks a:hover, .gauge-ticks li.on a { color: var(--ink); }

.readout {
  position: fixed; z-index: 15; left: var(--gutter); bottom: 14px;
  display: flex; gap: 18px; align-items: flex-end; pointer-events: none;
  padding: 9px 14px; border-radius: 12px; border: 1px solid var(--line);
  background: rgba(1, 10, 16, .62); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  font: 500 11px/1.3 var(--mono); text-shadow: 0 1px 8px rgba(0, 0, 0, .6);
  opacity: 0; transform: translateY(8px); transition: opacity .6s, transform .6s;
}
.readout.on, html.no-js .readout { opacity: 1; transform: none; }
.readout div { display: flex; flex-direction: column; }
.readout .k { color: var(--ink-3); font-size: 9px; letter-spacing: .18em; text-transform: uppercase; }
.readout .v { font-variant-numeric: tabular-nums; color: var(--ink); min-width: 7ch; }
.readout #r-depth { font-size: 15px; color: var(--cyan); }
.readout .zone-name .v { transition: color .4s; }
.readout .zone-name.flash .v { color: var(--cyan); }

/* ───────────── Type ───────────── */
.zone { position: relative; padding: clamp(110px, 18vh, 200px) var(--gutter) clamp(60px, 10vh, 120px); max-width: calc(var(--maxw) + 2 * var(--gutter)); margin: 0 auto; }
.zone-head { max-width: 780px; margin-bottom: clamp(36px, 6vh, 64px); }
.eyebrow { font: 500 11px/1.4 var(--mono); letter-spacing: .2em; text-transform: uppercase; color: var(--ink-3); margin: 0 0 18px; display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: baseline; }
.eyebrow .d { color: var(--cyan); letter-spacing: .1em; }
.eyebrow.tight { margin-bottom: 8px; }
h1, h2, h3, h4 { margin: 0; font-weight: 400; }
h2 { font: 400 clamp(2.6rem, 6.4vw, 5.4rem)/1 var(--serif); letter-spacing: -.01em; text-wrap: balance; }
.lede { font-size: clamp(1.05rem, 1.6vw, 1.22rem); color: var(--ink-2); margin: 22px 0 0; text-wrap: pretty; }
.lede a { color: var(--ink); }

/* ───────────── Surface ───────────── */
.hero {
  min-height: 100svh; padding: 120px var(--gutter) 80px; max-width: calc(var(--maxw) + 2 * var(--gutter)); margin: 0 auto;
  display: flex; flex-direction: column; justify-content: center;
  text-shadow: 0 2px 30px rgba(0, 10, 20, .55);
}
.coords { font: 500 11px/1 var(--mono); letter-spacing: .26em; text-transform: uppercase; color: var(--ink-2); margin: 0 0 22px; }
.h1-name {
  display: block; font: 400 clamp(4.6rem, 17vw, 13.5rem)/.86 var(--serif); letter-spacing: -.025em;
  background: linear-gradient(180deg, #fff 30%, #9fe7f5 100%); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.h1-sub { display: block; max-width: 18ch; margin-top: 18px; font: 400 clamp(1.7rem, 4vw, 3rem)/1.08 var(--serif); color: var(--ink); text-wrap: balance; }
.h1-sub em { color: #aef3ff; }
.hero-lede { max-width: 54ch; font-size: clamp(1rem, 1.5vw, 1.15rem); color: var(--ink-2); margin: 26px 0 0; }
.hero-stats { list-style: none; padding: 0; margin: 34px 0 0; display: flex; flex-wrap: wrap; gap: 14px 34px; }
.hero-stats li { font: 400 clamp(1.8rem, 3.2vw, 2.4rem)/1 var(--serif); }
.hero-stats b { font-weight: 400; font-variant-numeric: tabular-nums; }
.hero-stats span { display: block; margin-top: 6px; font: 500 10px/1 var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--ink-3); }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.btn {
  display: inline-flex; align-items: center; gap: 10px; padding: 13px 20px; border-radius: 999px; cursor: pointer;
  font: 500 14px/1 var(--sans); text-decoration: none; border: 1px solid var(--line-2); color: var(--ink);
  transition: transform .2s, box-shadow .2s, border-color .2s, background .2s;
}
.btn:hover { transform: translateY(-1px); color: var(--ink); }
.btn-primary { background: var(--ink); color: #021019; border-color: var(--ink); }
.btn-primary:hover { color: #021019; box-shadow: 0 8px 30px -8px rgba(160, 240, 255, .8); }
.btn-ghost { background: rgba(3, 17, 27, .35); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }
.btn-ghost:hover { border-color: var(--cyan); }
.hero-hint { margin: 46px 0 0; font: 500 11px/1.5 var(--mono); letter-spacing: .1em; color: var(--ink-3); }
.hero-hint span { display: inline-block; animation: bob 2.4s ease-in-out infinite; color: var(--cyan); }
@keyframes bob { 50% { transform: translateY(5px); } }

/* ───────────── Sunlight ───────────── */
.about-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(30px, 6vw, 80px); align-items: start; }
.prose p { font-size: 1.08rem; color: var(--ink-2); margin: 0 0 1.1em; max-width: 60ch; }
.prose strong { color: var(--ink); }
.rules { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.rules li { display: grid; grid-template-columns: 44px 1fr; gap: 12px; padding: 16px 0; border-top: 1px solid var(--line); }
.rules li:last-child { border-bottom: 1px solid var(--line); }
.rules .n { font: 500 11px/1.9 var(--mono); color: var(--cyan); letter-spacing: .1em; }
.rules h3 { font: 400 1.5rem/1.15 var(--serif); }
.rules p { margin: 4px 0 0; color: var(--ink-2); font-size: .95rem; }

/* ───────────── Cards ───────────── */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 330px), 1fr)); gap: 16px; }
.card {
  --kind: var(--cyan);
  position: relative; display: flex; flex-direction: column; gap: 10px;
  padding: 22px 22px 18px; border-radius: 18px; border: 1px solid var(--line);
  background:
    radial-gradient(420px circle at var(--cx, 50%) var(--cy, -20%), color-mix(in srgb, var(--kind) 13%, transparent), transparent 60%),
    var(--panel);
  transition: border-color .3s, box-shadow .3s, transform .3s;
  overflow: hidden; isolation: isolate;
}
.card[data-kind="game"] { --kind: var(--amber); }
.card[data-kind="app"] { --kind: var(--violet); }
.card[data-kind="client"] { --kind: var(--coral); }
.card[data-kind="atec"] { --kind: var(--steel); }
.card:hover, .card.ping {
  border-color: color-mix(in srgb, var(--kind) 55%, transparent);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--kind) 25%, transparent) inset, 0 20px 60px -24px color-mix(in srgb, var(--kind) 55%, transparent);
  transform: translateY(-2px);
}
.card.ping { animation: ping 1.6s ease-out; }
@keyframes ping { 0% { box-shadow: 0 0 0 0 var(--kind); } 100% { box-shadow: 0 0 0 26px transparent; } }
.card.wide { grid-column: span 2; }
@media (max-width: 760px) { .card.wide { grid-column: auto; } }
.card header { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; padding-right: 66px; }
.card h3 { font: 400 1.75rem/1.05 var(--serif); }
.cjk { font-family: "Songti SC", "Noto Serif SC", "Noto Serif TC", serif; font-size: .7em; color: var(--ink-3); margin-left: 4px; white-space: nowrap; }
.card .pitch { margin: 0; color: var(--ink); font-weight: 500; }
.card > p { margin: 0; color: var(--ink-2); font-size: .95rem; }
.card .hl { margin: 4px 0 0; padding: 0; list-style: none; display: grid; gap: 8px; }
.card .hl li { position: relative; padding-left: 16px; font-size: .9rem; color: var(--ink-2); }
.card .hl li::before { content: ""; position: absolute; left: 0; top: .62em; width: 6px; height: 6px; border-radius: 50%; background: var(--kind); box-shadow: 0 0 8px var(--kind); opacity: .85; }
.card .hl b { color: var(--ink); }
.card footer { margin-top: auto; padding-top: 10px; display: grid; gap: 8px; }
.stack { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.stack li { font: 500 10.5px/1 var(--mono); padding: 5px 8px; border-radius: 6px; border: 1px solid var(--line); color: var(--ink-2); background: rgba(255, 255, 255, .02); }
.meta { margin: 0; font: 500 11px/1.4 var(--mono); color: var(--ink-3); letter-spacing: .02em; }
.links { margin: 0; font-size: .88rem; line-height: 1.8; }
.links a { margin-right: 10px; color: var(--kind); text-decoration: none; border-bottom: 1px solid color-mix(in srgb, var(--kind) 40%, transparent); }
.links a:hover { border-bottom-color: var(--kind); }

.status {
  flex: none; display: inline-flex; align-items: center; gap: 6px; margin-top: 4px;
  font: 500 9.5px/1 var(--mono); letter-spacing: .16em; text-transform: uppercase;
  color: var(--ink-3); padding: 5px 8px 5px 7px; border-radius: 999px; border: 1px solid var(--line);
}
.status::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
[data-status="live"] .status { color: var(--green); border-color: rgba(111, 242, 176, .3); }
[data-status="live"] .status::before { animation: blink 2s ease-in-out infinite; box-shadow: 0 0 8px var(--green); }
[data-status="building"] .status { color: var(--amber); border-color: rgba(255, 189, 89, .3); }
[data-status="experiment"] .status, [data-status="concept"] .status { color: var(--violet); border-color: rgba(180, 156, 255, .3); }
@keyframes blink { 50% { opacity: .35; } }

.sigil { position: absolute; top: 14px; right: 14px; width: 62px; height: 62px; color: var(--kind); opacity: .9; z-index: -1; transition: transform 1.2s cubic-bezier(.2, .7, .2, 1), opacity .3s; filter: drop-shadow(0 0 6px color-mix(in srgb, var(--kind) 60%, transparent)); }
.card:hover .sigil { transform: rotate(60deg) scale(1.12); opacity: 1; }
.card.wide .sigil { width: 84px; height: 84px; }
.card.wide header { padding-right: 90px; }
.sigil svg { width: 100%; height: 100%; display: block; overflow: visible; }

/* Logbook + plankton */
.logbook, .plankton { margin-top: 26px; padding: 22px; border: 1px dashed var(--line-2); border-radius: 18px; background: rgba(2, 12, 19, .35); }
.logbook-title { font: 500 11px/1.4 var(--mono); letter-spacing: .2em; text-transform: uppercase; color: var(--ink-3); margin: 0 0 12px; }
.logbook ul, .plankton ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; }
.card-lite { display: grid; grid-template-columns: 200px 1fr auto; gap: 16px; align-items: baseline; padding: 11px 0; border-top: 1px solid var(--line); transition: background .3s; }
.card-lite.ping { background: rgba(99, 242, 255, .06); }
.card-lite b { font: 400 1.2rem/1.2 var(--serif); }
.card-lite span { color: var(--ink-2); font-size: .92rem; }
.card-lite em, .card-lite a { font: 500 10px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); font-style: normal; text-decoration: none; white-space: nowrap; }
.card-lite a { color: var(--cyan); }
.plankton li { padding: 10px 0; border-top: 1px solid var(--line); color: var(--ink-2); font-size: .92rem; }
.plankton li b { display: inline-block; min-width: 230px; font: 400 1.15rem/1.2 var(--serif); color: var(--ink); margin-right: 10px; }
@media (max-width: 760px) {
  .card-lite { grid-template-columns: 1fr auto; }
  .card-lite span { grid-column: 1 / -1; grid-row: 2; }
  .plankton li b { display: block; }
}

/* ───────────── Twilight: sonar + live ───────────── */
.fleet-top { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 16px; margin-bottom: 16px; }
.sonar { margin: 0; padding: 18px; border: 1px solid var(--line); border-radius: 18px; background: rgba(1, 14, 12, .62); display: flex; flex-direction: column; align-items: center; gap: 10px; }
.sonar canvas { width: 100%; max-width: 460px; aspect-ratio: 1; height: auto; cursor: crosshair; touch-action: pan-y; }
.sonar figcaption { font: 500 10.5px/1.5 var(--mono); color: var(--ink-3); text-align: center; letter-spacing: .04em; }
.live { padding: 22px; border: 1px solid var(--line); border-radius: 18px; background: var(--panel); display: flex; flex-direction: column; gap: 18px; }
.live-title { margin: 0; font: 500 11px/1 var(--mono); letter-spacing: .2em; text-transform: uppercase; display: flex; gap: 10px; align-items: center; }
.live-title .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 10px var(--green); animation: blink 1.6s infinite; }
.live.down .live-title .dot { background: var(--coral); box-shadow: 0 0 10px var(--coral); }
.live-sub { margin: -8px 0 0; color: var(--ink-3); font-size: .88rem; }
.live-block { border-top: 1px solid var(--line); padding-top: 14px; }
.live-block .k { margin: 0 0 8px; font: 500 10px/1 var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--ink-3); }
.gas { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.gas li { display: flex; flex-direction: column; gap: 4px; }
.gas span { font: 500 10px/1 var(--mono); color: var(--ink-3); }
.gas b { font: 400 1.5rem/1 var(--serif); font-variant-numeric: tabular-nums; }
.big { margin: 0; font: 400 clamp(1.8rem, 3.4vw, 2.6rem)/1 var(--serif); font-variant-numeric: tabular-nums; }
.age { margin: 8px 0 0; font: 500 10.5px/1.4 var(--mono); color: var(--ink-3); }
.sig { margin: 0; font: 500 13px/1.4 var(--mono); }
.sig.ok { color: var(--green); }
.sig.bad { color: var(--coral); }
.flash-num { animation: flashnum .9s ease-out; }
@keyframes flashnum { 0% { color: var(--cyan); text-shadow: 0 0 14px var(--cyan); } }

/* ───────────── Abyss: the hull ───────────── */
.hull {
  position: relative; padding: clamp(22px, 4vw, 40px); border-radius: 22px;
  border: 1px solid rgba(207, 217, 226, .2);
  background:
    repeating-linear-gradient(90deg, transparent 0 119px, rgba(207, 217, 226, .035) 119px 120px),
    linear-gradient(160deg, rgba(40, 52, 62, .55), rgba(8, 12, 16, .82) 60%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .06), inset 0 -40px 80px rgba(0, 0, 0, .35), 0 40px 120px -40px #000;
}
.hull-head { display: flex; justify-content: space-between; gap: 20px; }
.hull h3 { font: 400 clamp(2.4rem, 5vw, 3.8rem)/1 var(--serif); }
.hull-sub { margin: 10px 0 0; color: var(--ink-2); max-width: 56ch; }
.rivets { display: grid; grid-template-columns: repeat(2, 10px); gap: 10px; flex: none; }
.rivets i { width: 10px; height: 10px; border-radius: 50%; background: radial-gradient(circle at 35% 35%, #9aa7b2, #2a333b 70%); box-shadow: 0 1px 1px rgba(0, 0, 0, .6); }
.gauges { list-style: none; margin: 30px 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.gauges li { padding: 16px; border-radius: 14px; border: 1px solid rgba(207, 217, 226, .14); background: rgba(0, 0, 0, .28); }
.gauges b { display: block; font: 400 clamp(2rem, 3.6vw, 2.8rem)/1 var(--serif); font-variant-numeric: tabular-nums; color: #fff; }
.gauges span { display: block; margin-top: 8px; font: 500 10px/1.4 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); }
.ratio { margin-top: 22px; }
.ratio .k { margin: 0 0 8px; font: 500 10px/1 var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--ink-3); }
.bar { display: flex; height: 30px; border-radius: 8px; overflow: hidden; font: 500 11px/30px var(--mono); }
.bar span { width: 0; padding: 0 10px; white-space: nowrap; overflow: hidden; transition: width 1.6s cubic-bezier(.2, .7, .2, 1); }
.in .bar span, .no-js .bar span { width: var(--w); }
.bar .t { --w: 52%; background: linear-gradient(90deg, rgba(111, 242, 176, .5), rgba(111, 242, 176, .25)); color: #eafff4; }
.bar .a { --w: 48%; background: rgba(207, 217, 226, .14); color: var(--ink-2); text-align: right; }

.fsm { margin: 30px 0 0; padding: 18px; border-radius: 14px; border: 1px solid rgba(207, 217, 226, .12); background: rgba(0, 0, 0, .3); color: rgba(207, 217, 226, .45); }
.fsm { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.fsm svg { width: 100%; min-width: 620px; height: auto; display: block; }
.fsm rect { fill: rgba(10, 16, 22, .9); stroke: rgba(207, 217, 226, .35); stroke-width: 1.2; }
.fsm .hot rect { stroke: var(--cyan); fill: rgba(99, 242, 255, .08); }
.fsm .side rect { stroke-dasharray: 4 3; }
.fsm text { fill: var(--ink); font: 500 14px var(--sans); text-anchor: middle; }
.fsm text.s { font: 500 10px var(--mono); fill: var(--ink-3); }
.fsm .side text { font-size: 12px; fill: var(--ink-2); }
.fsm .loop { font: 500 11px var(--mono); fill: var(--ink-3); letter-spacing: .06em; }
.fsm .token { fill: var(--cyan); filter: drop-shadow(0 0 6px var(--cyan)); }
.fsm figcaption { margin-top: 12px; font: 500 11px/1.5 var(--mono); color: var(--ink-3); }
.hull-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(20px, 3vw, 36px); margin-top: 30px; }
.hull-cols h4 { font: 500 11px/1 var(--mono); letter-spacing: .18em; text-transform: uppercase; color: var(--steel); margin-bottom: 12px; padding-bottom: 10px; border-bottom: 1px solid rgba(207, 217, 226, .16); }
.hull-cols ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.hull-cols li { font-size: .9rem; color: var(--ink-2); padding-left: 14px; position: relative; }
.hull-cols li::before { content: "▸"; position: absolute; left: 0; color: var(--steel); opacity: .6; font-size: .8em; top: .15em; }
.hull-foot { margin-top: 26px; }
.card.slim { margin-top: 16px; max-width: 760px; }

/* ───────────── Trench ───────────── */
.pipeline { list-style: none; margin: 0 0 30px; padding: 0; display: grid; grid-template-columns: repeat(8, 1fr); gap: 8px; counter-reset: s; }
.pipeline li {
  position: relative; padding: 16px 14px; border-radius: 14px; border: 1px solid rgba(111, 242, 176, .18);
  background: rgba(2, 16, 12, .55); font-size: .84rem; color: var(--ink-2); overflow: hidden;
}
.pipeline li::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--green), transparent); transform: translateX(-100%);
  animation: flow 4s linear infinite; animation-delay: calc(var(--i, 0) * .5s);
}
@keyframes flow { 60%, 100% { transform: translateX(100%); } }
.pipeline .st { display: block; font: 400 1.35rem/1.1 var(--serif); color: var(--ink); margin-bottom: 6px; }
.pipeline li:nth-child(1) { --i: 0; }
.pipeline li:nth-child(2) { --i: 1; }
.pipeline li:nth-child(3) { --i: 2; }
.pipeline li:nth-child(4) { --i: 3; }
.pipeline li:nth-child(5) { --i: 4; }
.pipeline li:nth-child(6) { --i: 5; }
.pipeline li:nth-child(7) { --i: 6; }
.pipeline li:nth-child(8) { --i: 7; }
.pipeline .rb { border-style: dashed; border-color: rgba(255, 189, 89, .35); }
.pipeline .rb .st { color: var(--amber); }
.pipeline .rb::after { display: none; }
@media (max-width: 1100px) { .pipeline { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 560px) { .pipeline { grid-template-columns: repeat(2, 1fr); } }

.rigs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.rig { padding: 20px; border-radius: 16px; border: 1px solid var(--line); background: var(--panel-2); }
.rig h4 { font: 400 1.4rem/1.1 var(--serif); margin-bottom: 8px; }
.rig p { margin: 0; font-size: .9rem; color: var(--ink-2); }
.ecg { width: 100%; height: 36px; margin-top: 12px; color: var(--green); stroke-dasharray: 340; stroke-dashoffset: 340; animation: ecg 3s linear infinite; filter: drop-shadow(0 0 4px var(--green)); }
@keyframes ecg { to { stroke-dashoffset: -340; } }
.colophon { margin-top: 30px; padding: 26px; border-radius: 18px; border: 1px solid var(--line); background: linear-gradient(135deg, rgba(99, 242, 255, .05), rgba(180, 156, 255, .04)); }
.colophon h3 { font: 400 1.9rem/1 var(--serif); margin-bottom: 10px; }
.colophon p { margin: 0 0 10px; color: var(--ink-2); max-width: 80ch; }

/* ───────────── Floor ───────────── */
.floor { min-height: 100svh; display: flex; flex-direction: column; justify-content: center; text-align: center; padding-bottom: 30px; }
.floor-inner { max-width: 760px; margin: 0 auto; }
.floor .eyebrow { justify-content: center; }
.contact { margin: 34px 0 6px; }
.mail { font: 400 clamp(2rem, 6vw, 4rem)/1.1 var(--serif); text-decoration: none; background: linear-gradient(90deg, var(--cyan), var(--violet)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.mail:hover { filter: brightness(1.2); }
.contact-links { margin: 0 0 34px; font: 500 13px/1 var(--mono); }
.site-foot { margin-top: auto; padding: 80px 0 64px; font: 500 10.5px/1.5 var(--mono); color: var(--ink-3); letter-spacing: .04em; }

/* ───────────── Terminal ───────────── */
.term {
  position: fixed; z-index: 40; left: 50%; bottom: clamp(12px, 5vh, 48px); transform: translateX(-50%);
  width: min(760px, calc(100vw - 24px)); height: min(460px, 70vh);
  display: flex; flex-direction: column; border-radius: 14px; overflow: hidden;
  border: 1px solid rgba(99, 242, 255, .3); background: rgba(1, 8, 13, .92);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 30px 100px -20px #000, 0 0 60px -30px var(--cyan);
  font: 400 13px/1.55 var(--mono);
}
.term[hidden] { display: none; }
.term-bar { display: flex; align-items: center; gap: 12px; padding: 9px 12px; border-bottom: 1px solid var(--line); color: var(--ink-3); font-size: 11px; }
.lights { display: flex; gap: 6px; }
.lights i { width: 10px; height: 10px; border-radius: 50%; background: #ff5f57; }
.lights i:nth-child(2) { background: #febc2e; }
.lights i:nth-child(3) { background: #28c840; }
.term-x { margin-left: auto; background: none; border: 0; color: var(--ink-2); font-size: 20px; line-height: 1; cursor: pointer; padding: 0 4px; }
.term-out { flex: 1; overflow-y: auto; padding: 12px 16px; white-space: pre-wrap; word-break: break-word; }
.term-out .c { color: var(--cyan); }
.term-out .a { color: var(--amber); }
.term-out .g { color: var(--green); }
.term-out .m { color: var(--ink-3); }
.term-out .r { color: var(--coral); }
.term-out a { color: var(--cyan); }
.term-in { display: flex; gap: 10px; align-items: center; padding: 10px 16px; border-top: 1px solid var(--line); }
.term-in label { color: var(--cyan); }
.term-in input { flex: 1; background: none; border: 0; outline: none; color: var(--ink); font: inherit; caret-color: var(--cyan); }

/* ───────────── Reveal ───────────── */
html.js [data-reveal] { opacity: 0; transform: translateY(26px); transition: opacity .9s cubic-bezier(.2, .7, .2, 1), transform .9s cubic-bezier(.2, .7, .2, 1); }
html.js [data-reveal].in { opacity: 1; transform: none; }
html.js .cards .card { opacity: 0; transform: translateY(30px); transition: opacity .8s cubic-bezier(.2, .7, .2, 1), transform .8s cubic-bezier(.2, .7, .2, 1), border-color .3s, box-shadow .3s; }
html.js .cards .card.in { opacity: 1; transform: none; }
html.js .cards .card.in:hover { transform: translateY(-2px); }

/* Kraken: it rises in front of everything, and the screen shakes a little. */
html.kraken #life { z-index: 30; }
html.quake main { animation: quake .5s linear 3; }
@keyframes quake { 25% { transform: translate(2px, -1px); } 50% { transform: translate(-2px, 1px); } 75% { transform: translate(1px, 2px); } }

/* ───────────── Responsive ───────────── */
@media (max-width: 1000px) {
  .about-grid, .fleet-top { grid-template-columns: 1fr; }
  .hull-cols, .rigs { grid-template-columns: 1fr 1fr; }
  .gauges { grid-template-columns: 1fr 1fr; }
  .gauge { display: none; }
}
@media (max-width: 640px) {
  .rivets { display: none; }
  .hull-cols, .rigs { grid-template-columns: 1fr; }
  .readout { gap: 12px; bottom: 10px; }
  .readout > div:nth-child(3), .readout > div:nth-child(4) { display: none; }
  .card { padding: 18px 16px 16px; }
  .card h3 { font-size: 1.5rem; }
  .gas b { font-size: 1.2rem; }
  .hero-stats { gap: 14px 22px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  html.js [data-reveal], html.js .cards .card { opacity: 1; transform: none; }
  .fsm .token { display: none; }
}

/* ═════════════ Two views: plain (default) and engineer's ═════════════ */
[data-view="simple"] .deep,
[data-view="deep"] .simple { display: none !important; }
/* In the plain view, cards keep their story and drop the spec sheet. */
[data-view="simple"] .card :is(.hl, .stack, .meta:not(.keep)) { display: none; }
[data-view="simple"] #fleet .card > p:not(.pitch) { display: none; }

.view-switch {
  display: inline-flex; padding: 3px; gap: 2px; border-radius: 11px; border: 1px solid var(--line-2);
  background: rgba(3, 17, 27, .5); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.view-switch button {
  border: 0; cursor: pointer; padding: 0 12px; height: 30px; border-radius: 8px;
  font: 500 12px/1 var(--sans); color: var(--ink-2); background: transparent; transition: background .2s, color .2s;
}
.view-switch button[aria-pressed="true"] { background: var(--ink); color: #021019; }
.view-switch button:not([aria-pressed="true"]):hover { color: var(--cyan); }
@media (max-width: 420px) { .view-switch button { padding: 0 9px; font-size: 11px; } }

.nerd-invite { margin: 34px 0 0; color: var(--ink-3); font-size: .95rem; display: flex; flex-wrap: wrap; gap: 6px 10px; align-items: baseline; }
.link-btn { background: none; border: 0; padding: 0; cursor: pointer; font: inherit; color: var(--cyan); text-decoration: underline; text-underline-offset: 3px; text-decoration-color: rgba(99, 242, 255, .45); }
.link-btn:hover { text-decoration-color: var(--cyan); }
.deep-label { margin: 0 0 14px; font: 500 10.5px/1 var(--mono); letter-spacing: .18em; text-transform: uppercase; color: var(--cyan); display: flex; align-items: center; gap: 10px; }
.deep-label::before { content: "{ }"; letter-spacing: 0; opacity: .7; }
.deep-block { margin-top: 26px; }

.toast {
  position: fixed; z-index: 45; left: 50%; top: 70px; transform: translateX(-50%);
  max-width: min(560px, calc(100vw - 32px)); padding: 12px 16px; border-radius: 12px;
  border: 1px solid rgba(99, 242, 255, .35); background: rgba(1, 10, 16, .9); color: var(--ink-2);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); font-size: .9rem; box-shadow: 0 20px 60px -20px #000;
  animation: toast .35s ease-out;
}
.toast b { color: var(--ink); }
@keyframes toast { from { opacity: 0; transform: translate(-50%, -8px); } }

/* ───────────── Services ───────────── */
.services { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.services li { position: relative; padding: 22px; border-radius: 18px; border: 1px solid var(--line); background: var(--panel); display: flex; flex-direction: column; gap: 8px; }
.services h3 { font: 400 1.6rem/1.1 var(--serif); }
.services p { margin: 0; color: var(--ink-2); font-size: .95rem; }
.services .eg { margin-top: auto; padding-top: 8px; font-size: .85rem; color: var(--cyan); }
.services .eg::before { content: "→ "; }
.svc-ico { font-size: 22px; line-height: 1; color: var(--cyan); filter: drop-shadow(0 0 8px rgba(99, 242, 255, .5)); }

.compare { margin-top: 26px; padding: 22px; border-radius: 18px; border: 1px solid var(--line); background: var(--panel-2); overflow-x: auto; }
.compare h3 { font: 400 1.7rem/1.1 var(--serif); margin-bottom: 14px; }
.compare table { width: 100%; border-collapse: collapse; min-width: 560px; font-size: .95rem; }
.compare th, .compare td { text-align: left; padding: 12px 14px; border-top: 1px solid var(--line); vertical-align: top; }
.compare thead th { border-top: 0; font: 500 10.5px/1.3 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); }
.compare tbody th { font-weight: 500; color: var(--ink); width: 22%; }
.compare td { color: var(--ink-3); }
.compare td:last-child { color: var(--ink); background: rgba(99, 242, 255, .045); }
.compare thead th:last-child { color: var(--cyan); }

/* ───────────── Case studies ───────────── */
.case { --kind: var(--coral); position: relative; isolation: isolate; overflow: hidden; padding: clamp(22px, 3vw, 32px); border-radius: 20px; border: 1px solid var(--line-2); background: var(--panel); display: flex; flex-direction: column; gap: 12px; }
.case + .case, .case-pair { margin-top: 16px; }
.case-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.case-pair .case { margin-top: 0; }
.case header { padding-right: 90px; }
.case .sigil { width: 84px; height: 84px; top: 18px; right: 18px; }
.case:hover .sigil { transform: rotate(60deg) scale(1.1); }
.case-kind { margin: 0 0 6px; font: 500 10.5px/1.4 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--coral); }
.case h3 { font: 400 clamp(2rem, 4vw, 2.8rem)/1 var(--serif); }
.case-need { margin: 0; color: var(--ink-2); max-width: 70ch; }
.case-need b { color: var(--ink); font-weight: 500; }
.case-built { list-style: none; margin: 4px 0 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr)); gap: 10px 22px; }
.case-built li { position: relative; padding-left: 22px; color: var(--ink-2); font-size: .95rem; }
.case-built li::before { content: "✓"; position: absolute; left: 0; color: var(--green); }
.case .deep .hl { list-style: none; margin: 6px 0 10px; padding: 12px 0 0; border-top: 1px dashed var(--line-2); display: grid; gap: 8px; }
.case .deep .hl li { font-size: .88rem; color: var(--ink-2); padding-left: 14px; position: relative; }
.case .deep .hl li::before { content: "{"; position: absolute; left: 0; color: var(--cyan); font-family: var(--mono); font-size: .8em; }
.case-foot { margin: auto 0 0; padding-top: 6px; font: 500 12px/1.5 var(--mono); color: var(--ink-3); }
.case-foot a { color: var(--cyan); }

/* ───────────── How we work ───────────── */
.steps { list-style: none; margin: 0 0 40px; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.steps li { padding: 22px; border-radius: 18px; border: 1px solid var(--line); background: var(--panel); }
.steps .n { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; border: 1px solid var(--cyan); color: var(--cyan); font: 500 13px/1 var(--mono); margin-bottom: 12px; box-shadow: 0 0 16px -4px var(--cyan); }
.steps h3 { font: 400 1.5rem/1.1 var(--serif); margin-bottom: 6px; }
.steps p { margin: 0; color: var(--ink-2); font-size: .93rem; }
.prose-title { font: 400 clamp(2rem, 4vw, 3rem)/1 var(--serif); margin-bottom: 16px; }

/* ───────────── Lab ───────────── */
.lab-block + .lab-block { margin-top: 56px; }
.block-title { font: 400 clamp(1.7rem, 3vw, 2.3rem)/1.1 var(--serif); margin-bottom: 8px; }
.block-title .muted { font-size: .55em; font-family: var(--sans); }
.block-lede { margin: 0 0 18px; color: var(--ink-2); max-width: 70ch; }
.lab-block > .block-title + .cards { margin-top: 18px; }

/* ───────────── Care ───────────── */
.care { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.care li { padding: 22px; border-radius: 18px; border: 1px solid rgba(111, 242, 176, .2); background: rgba(2, 16, 12, .55); }
.care h3 { font: 400 1.45rem/1.1 var(--serif); margin-bottom: 6px; }
.care p { margin: 0; color: var(--ink-2); font-size: .93rem; }

/* ───────────── FAQ ───────────── */
.floor { text-align: left; }
.faq { max-width: 860px; width: 100%; margin: 0 auto 90px; }
.faq h2 { margin-bottom: 24px; }
.faq .eyebrow { justify-content: flex-start; }
.faq-item { border-top: 1px solid var(--line-2); }
.faq-item:last-child { border-bottom: 1px solid var(--line-2); }
.faq-item summary {
  cursor: pointer; list-style: none; padding: 18px 40px 18px 0; position: relative;
  font: 400 clamp(1.25rem, 2.2vw, 1.55rem)/1.25 var(--serif); color: var(--ink);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 4px; top: 50%; transform: translateY(-50%); font: 300 24px/1 var(--sans); color: var(--cyan); transition: transform .25s; }
.faq-item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq-item summary:hover { color: var(--cyan); }
.faq-item p { margin: 0 0 20px; color: var(--ink-2); max-width: 70ch; }
.floor-inner { text-align: center; }

@media (max-width: 1000px) {
  .services { grid-template-columns: 1fr 1fr; }
  .steps, .care { grid-template-columns: 1fr 1fr; }
  .case-pair { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .hud-top { background: linear-gradient(rgba(1, 9, 15, .94), rgba(1, 9, 15, .8) 70%, transparent); }
  .brand span { letter-spacing: .22em; }
  .services, .steps, .care { grid-template-columns: 1fr; }
  .view-switch { order: -1; }
}