/* how: chapter 04, How It Works. The public version of the pipeline: five stages you can
   run, the repaired corpus, a live search, the recorded beliefs, a grounded answer, and
   the locked partner chapters. No settings, models, ports or prompts appear here. */

.shot [hidden] { display: none !important; }

/* ---------- shared bits ---------- */
.pipe-wire { position: relative; height: 2px; background: rgba(58, 53, 80, 0.9); }
.pipe-wire i { position: absolute; inset: 0; transform: scaleX(0); transform-origin: left; background: var(--lav); box-shadow: 0 0 8px rgba(171, 132, 249, 0.7); transition: transform 0.42s var(--ease); }
.pipe-wire.go i { transform: scaleX(1); }
.pipe-wire.gold i { background: var(--gold); box-shadow: 0 0 8px rgba(245, 197, 66, 0.7); }
.pipe-wire::after { content: ""; position: absolute; top: 50%; left: 0; width: 8px; height: 8px; margin: -4px 0 0 -4px; border-radius: 50%; background: #fff;
  box-shadow: 0 0 10px 2px var(--gold-hi), 0 0 22px var(--gold); opacity: 0; }
.pipe-wire.go::after { animation: packet 0.42s var(--ease) forwards; }
@keyframes packet { 0% { left: 0; opacity: 1; } 85% { opacity: 1; } 100% { left: 100%; opacity: 0; } }

/* the lock: a padlock in currentColor */
.lock { position: relative; display: inline-block; flex: none; width: 10px; height: 8px; margin-top: 5px; border-radius: 2px; background: currentColor; }
.lock::before { content: ""; position: absolute; left: 1.5px; top: -6px; width: 7px; height: 7px; box-sizing: border-box; border: 1.5px solid currentColor; border-bottom: 0; border-radius: 4px 4px 0 0; }

/* the chip that points a shot at its partner chapter */
.lock-chip { display: inline-flex; align-items: center; gap: 0.6rem; padding: 0.5rem 0.9rem 0.55rem; border-radius: 999px; border: 1px dashed color-mix(in srgb, var(--lav) 60%, var(--line));
  background: rgba(22, 15, 40, 0.72); font: 600 0.6rem/1 var(--mono); letter-spacing: 0.18em; text-transform: uppercase; color: var(--lav); transition: color 0.25s, border-color 0.25s, box-shadow 0.25s, transform 0.25s var(--pop); }
.lock-chip .lock { margin-top: 4px; }
.lock-chip:hover, .lock-chip:focus-visible { color: var(--gold-hi); border-color: var(--gold); box-shadow: 0 0 22px -6px rgba(245, 197, 66, 0.7); transform: translateY(-1px); }

/* ---------- 01 · the five stages ---------- */
.pipe-title { margin: 0.5rem 0 0; font-size: inherit; }
.pipe-title .slam { display: inline-block; font-size: clamp(2.3rem, 6vw, 5.4rem); }
.pipe { display: flex; align-items: stretch; max-width: 1240px; margin: clamp(1.8rem, 3.6vw, 3.2rem) auto 0; text-align: left; }
.pipe-step { flex: 1 1 0; min-width: 0; display: flex; }
.pipe-wire { flex: 0 0 clamp(12px, 2vw, 34px); align-self: center; }
.pipe-node { --c: var(--lav); flex: 1; display: block; color: var(--text); padding: 1rem 1.05rem 1.15rem; transition: border-color 0.35s, box-shadow 0.35s, background 0.35s, opacity 0.35s, transform 0.35s var(--pop); }
.pipe-node .n { font-size: 0.68rem; font-weight: 700; letter-spacing: 0.16em; }
.pipe-node b { font-size: clamp(0.9rem, 1.3vw, 1.2rem); margin-top: 0.6rem; }
.pipe-node small { font-size: 0.62rem; overflow-wrap: anywhere; }
.pipe-node:hover, .pipe-node:focus-visible { color: var(--text); transform: translateY(-4px); }
html.js .pipe-node:not(.lit) { opacity: 0.5; }
html.js .pipe-node:hover, html.js .pipe-node:focus-visible, html.js .pipe-node.sel { opacity: 1; }
.pipe-node.lit { box-shadow: 0 0 0 1px color-mix(in srgb, var(--c) 60%, transparent), 0 0 30px -8px var(--c); background: color-mix(in srgb, var(--c) 9%, #12101c); }
.pipe-node.hit { animation: hit 0.5s var(--ease); }
@keyframes hit { 0% { box-shadow: 0 0 0 2px var(--c), 0 0 50px 4px var(--c); transform: translateY(-6px); } 100% { transform: none; } }
.pipe-node.sel { border-color: var(--gold); }
.pipe-read { display: flex; justify-content: center; align-items: baseline; gap: 1rem; max-width: 900px; min-height: 3.3em; margin: 1.4rem auto 0; text-align: left; }
.pipe-read-k { flex: none; font: 700 0.62rem/1.6 var(--mono); letter-spacing: 0.26em; text-transform: uppercase; color: var(--gold); }
.pipe-read-v { font: 500 clamp(0.78rem, 1vw, 0.9rem)/1.6 var(--mono); color: var(--text-2); }
.pipe-read.flash .pipe-read-v { animation: readin 0.35s var(--ease); }
@keyframes readin { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }
.pipe-line { margin-top: 1rem; }
.pipe-legend { margin-top: 0.7rem; letter-spacing: 0.22em; }
.pipe-ctl { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 0.8rem; margin-top: 1.5rem; }
.pipe-run .key, .ret-fire .key, .ans-send .key { height: 1.7em; min-width: 1.7em; margin-left: 0.2rem; }
.pipe-run .key { color: #1a1206; border-color: rgba(26, 18, 6, 0.4); background: rgba(255, 255, 255, 0.35); }
.pipe-hint { margin-top: 1rem; justify-content: center; flex-wrap: wrap; }
.pipe-shot.done .pipe-node.is-green { box-shadow: 0 0 0 1px var(--mint), 0 0 40px -4px var(--mint); }

/* ---------- 02 · the repaired corpus ---------- */
.clean { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); gap: clamp(2rem, 4.5vw, 5rem); align-items: center; }
.clean-copy .head { margin-top: 0.7rem; font-size: clamp(1.9rem, 3.4vw, 3.2rem); }
.clean-claim { margin-top: 0.9rem; font-size: clamp(1.25rem, 1.85vw, 1.8rem); }
.claim-red { color: #ffd0d8; text-shadow: var(--glow-red); }
.clean-copy .lede { margin-top: 1rem; }
.clean-totals { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.8rem 1.6rem; max-width: 560px; margin-top: 1.5rem; }
.clean-totals div { padding-top: 0.6rem; border-top: 1px solid var(--line); }
.clean-totals dt { font: 500 0.58rem/1.4 var(--mono); letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); }
.clean-totals dd { margin: 0.35rem 0 0; font: 700 clamp(1.3rem, 2.1vw, 1.9rem)/1 var(--mono); color: var(--white); font-variant-numeric: tabular-nums; }
.clean-totals dd.red { color: #ff8095; text-shadow: var(--glow-red); }
.clean-totals dd.gold { color: var(--gold-hi); text-shadow: var(--glow-gold); }
.clean-copy .lock-chip { margin-top: 1.5rem; }

.clean-scan { display: grid; gap: 1.4rem; justify-items: center; }
.ocr { position: relative; width: min(100%, 580px); padding: clamp(1.2rem, 2.2vw, 2rem) clamp(1.2rem, 2.4vw, 2.2rem) clamp(2.6rem, 3.4vw, 3.2rem); overflow: hidden;
  border-radius: 6px; border: 1px solid rgba(232, 214, 170, 0.25); transform: rotate(-0.5deg);
  background: repeating-linear-gradient(0deg, rgba(232, 214, 170, 0.035) 0 1px, transparent 1px 3px), radial-gradient(ellipse at 35% 25%, #1d1a14, #0f0d0a 85%);
  box-shadow: 0 30px 80px -24px #000, 0 0 90px -30px rgba(242, 190, 120, 0.35); }
.ocr::before { content: ""; position: absolute; inset: 0; pointer-events: none; background: radial-gradient(circle at 82% 18%, rgba(0, 0, 0, 0.35), transparent 30%), radial-gradient(circle at 12% 88%, rgba(0, 0, 0, 0.4), transparent 26%); }
.ocr-head { display: flex; justify-content: space-between; gap: 1rem; padding-bottom: 0.7rem; margin-bottom: 1rem; border-bottom: 1px dashed rgba(232, 214, 170, 0.2);
  font: 500 0.6rem/1.3 var(--mono); letter-spacing: 0.2em; text-transform: uppercase; color: rgba(232, 214, 170, 0.55); }
.ocr-text { position: relative; font: 500 clamp(0.95rem, 1.22vw, 1.14rem)/1.85 var(--mono); color: #e6dcc4; letter-spacing: 0.01em; }
.dmg { color: #ff8095; background: rgba(255, 59, 92, 0.12); border-radius: 3px; padding: 0 0.12em; box-decoration-break: clone; -webkit-box-decoration-break: clone;
  text-shadow: -1.5px 0 rgba(92, 225, 255, 0.75), 1.5px 0 rgba(255, 59, 92, 0.9); animation: glitch 2.2s steps(1) infinite; transition: color 0.5s, background 0.6s, text-shadow 0.6s; }
.dmg:nth-child(2n) { animation-delay: -0.7s; } .dmg:nth-child(3n) { animation-delay: -1.3s; }
@keyframes glitch {
  0%, 100% { text-shadow: -1.5px 0 rgba(92, 225, 255, 0.75), 1.5px 0 rgba(255, 59, 92, 0.9); opacity: 1; }
  12% { text-shadow: 3px 0 rgba(92, 225, 255, 0.8), -3px 0 rgba(255, 59, 92, 0.9); }
  14% { opacity: 0.55; }
  16% { text-shadow: -1px 1px rgba(92, 225, 255, 0.8), 1px -1px rgba(255, 59, 92, 0.9); opacity: 1; }
  58% { text-shadow: -4px 0 rgba(92, 225, 255, 0.5), 2px 0 rgba(255, 59, 92, 0.9); }
  60% { text-shadow: -1.5px 0 rgba(92, 225, 255, 0.75), 1.5px 0 rgba(255, 59, 92, 0.9); }
}
.dmg.fixed { color: var(--gold-hi); background: rgba(245, 197, 66, 0.1); text-shadow: 0 0 12px rgba(245, 197, 66, 0.6); animation: fixin 0.7s var(--ease); }
@keyframes fixin { 0% { background: rgba(255, 245, 210, 0.7); color: #1a1206; } 100% { background: rgba(245, 197, 66, 0.1); } }
.ocr-beam { position: absolute; left: 0; right: 0; top: 0; height: 2px; opacity: 0; pointer-events: none; background: var(--gold-hi);
  box-shadow: 0 0 12px 2px rgba(245, 197, 66, 0.7), 0 0 50px 10px rgba(245, 197, 66, 0.18); }
.ocr-beam::after { content: ""; position: absolute; left: 0; right: 0; bottom: 2px; height: 70px; background: linear-gradient(0deg, rgba(245, 197, 66, 0.16), transparent); }
.ocr.sweeping .ocr-beam { opacity: 1; animation: beam var(--sweep, 2.6s) linear forwards; }
@keyframes beam { from { top: 0; } to { top: 100%; } }
.ocr-tag { position: absolute; left: clamp(1.2rem, 2.4vw, 2.2rem); right: clamp(1.2rem, 2.4vw, 2.2rem); bottom: 0.9rem; display: flex; justify-content: space-between; gap: 1rem;
  font: 500 0.6rem/1.2 var(--mono); letter-spacing: 0.16em; text-transform: uppercase; color: rgba(255, 128, 149, 0.9); }
.ocr-tag b { font-weight: 600; }
.ocr.repaired .ocr-tag { color: var(--gold); }
.ocr-words { display: grid; justify-items: center; gap: 0.7rem; }
.ocr-chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.6rem; list-style: none; }
.ocr-chips li { font: 500 0.95rem/1 var(--mono); padding: 0.5rem 0.75rem; border-radius: 8px; border: 1px solid rgba(255, 59, 92, 0.35); background: rgba(12, 10, 18, 0.85); transition: border-color 0.5s; }
.ocr-chips li:has(.fixed) { border-color: rgba(245, 197, 66, 0.5); }
.ocr-replay { cursor: pointer; }
.ocr-replay:hover { color: var(--gold-hi); }

/* ---------- 03 · search ---------- */
.ret-shot { place-items: center stretch; }
.ret-cloud { position: absolute; top: 6%; right: 0; bottom: 4%; width: 64%; height: 90%; z-index: -1; pointer-events: none;
  -webkit-mask: radial-gradient(ellipse 50% 50% at 50% 50%, #000 55%, transparent 100%); mask: radial-gradient(ellipse 50% 50% at 50% 50%, #000 55%, transparent 100%); }
.ret { display: grid; grid-template-columns: minmax(0, 560px) minmax(0, 1fr); gap: 2rem; align-items: end; max-width: 1480px; margin: 0 auto; }
.ret-head { margin: 0.6rem 0 1.2rem; font-size: clamp(1.7rem, 3vw, 2.8rem); }
.query { padding: 1.05rem 1.5rem 1.25rem; border-color: color-mix(in srgb, var(--lav) 50%, var(--line)); }
.query-line { font: 700 0.7rem/1.3 var(--mono); letter-spacing: 0.16em; text-transform: uppercase; color: var(--lav); }
.query-q { margin-top: 0.8rem; min-height: 1.3em; font: italic 400 clamp(1.3rem, 2vw, 1.9rem)/1.25 var(--serif); color: var(--white); }
.query .caret { display: inline-block; width: 1.5px; height: 0.95em; margin-left: 3px; vertical-align: -0.1em; background: var(--white); animation: blink 1s steps(1) infinite; }
.top-title { margin-top: 1.4rem; font: 700 0.72rem/1.5 var(--mono); letter-spacing: 0.26em; text-transform: uppercase; color: var(--gold); }
.top6 { display: grid; gap: 0.45rem; margin-top: 0.8rem; }
.top6 li { position: relative; display: grid; grid-template-columns: 2.4em minmax(0, 1fr); align-items: center; gap: 0.8rem; padding: 0.52rem 1rem 0.74rem; border-radius: 10px;
  border: 1px solid rgba(245, 197, 66, 0.45); background: rgba(21, 21, 31, 0.9); font: 500 clamp(0.72rem, 0.92vw, 0.86rem)/1.3 var(--mono); }
.top6 b { color: var(--gold); }
.top6 span { color: var(--text); min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.top6 i { position: absolute; left: calc(2.4em + 1.8rem); bottom: 0.36rem; height: 3px; width: 0; background: var(--gold); box-shadow: 0 0 6px rgba(245, 197, 66, 0.6); transition: width 0.7s var(--ease) 0.1s; }
html.js .top6 li { opacity: 0; transform: translateX(34px); transition: opacity 0.35s var(--ease), transform 0.45s var(--ease); }
html.js .top6 li.lit { opacity: 1; transform: none; }
.top6 li.lit i, html:not(.js) .top6 i { width: calc(var(--r) * 110%); }
.top6 li.hit { animation: rowhit 0.6s var(--ease); }
@keyframes rowhit { 0% { box-shadow: 0 0 0 1px var(--gold), 0 0 26px rgba(245, 197, 66, 0.6); } 100% { box-shadow: none; } }
.ret-ctl { display: flex; flex-wrap: wrap; align-items: center; gap: 0.8rem; margin-top: 1.1rem; }
.ret-right { justify-self: end; text-align: right; display: grid; justify-items: end; gap: 0.8rem; }
.ret-ms { display: grid; justify-items: end; gap: 0.5rem; }
.ret-ms-n { font: 700 clamp(2.4rem, 4.6vw, 4.2rem)/1 var(--mono); color: var(--white); text-shadow: var(--glow-white); white-space: nowrap; }
.ret-fine { max-width: 44ch; }

/* ---------- 04 · beliefs ---------- */
.bel { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: clamp(2rem, 4vw, 4.5rem); align-items: center; }
.bel-copy .head { margin-top: 0.7rem; font-size: clamp(1.8rem, 3.2vw, 3rem); }
.bel-copy .lede { margin-top: 1rem; }
.bel-flow { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0.6rem; margin-top: 1.5rem; }
.bel-flow .node { --c: var(--lav); }
.bel-flow .node small { font-size: 0.58rem; }
html.js .bel-flow .node:not(.lit) { opacity: 0.55; }
.bel-flow .node.lit { box-shadow: 0 0 0 1px color-mix(in srgb, var(--c) 60%, transparent), 0 0 26px -8px var(--c); }
.bel-line { margin-top: 1.4rem; font-size: clamp(1.25rem, 2vw, 1.85rem); }
.bel-links { display: flex; flex-wrap: wrap; align-items: center; gap: 0.8rem; margin-top: 1.4rem; }
.bel-links .btn, .said-ctl .btn { line-height: 1.35; text-align: center; }

.bel-board { display: grid; gap: 1rem; }
.bel-top { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 0.7rem 1rem; }
.bel-topics { display: flex; gap: 0.4rem; padding: 0.3rem; border-radius: 999px; border: 1px solid var(--line); background: rgba(12, 10, 18, 0.8); }
.bel-topics button { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.5rem 0.95rem; border-radius: 999px; font: 700 0.66rem/1 var(--mono); letter-spacing: 0.2em; text-transform: uppercase; color: var(--text-2); transition: color 0.2s, background 0.25s, box-shadow 0.25s; }
.bel-topics .key { min-width: 1.6em; height: 1.6em; font-size: 0.56rem; }
.bel-topics button:hover { color: var(--white); }
.bel-topics button[aria-pressed="true"] { color: #1a1206; background: linear-gradient(180deg, var(--gold-hi), var(--gold)); box-shadow: 0 0 20px -4px rgba(245, 197, 66, 0.7); }
.bel-topics button[aria-pressed="true"] .key { color: #1a1206; border-color: rgba(26, 18, 6, 0.35); background: rgba(255, 255, 255, 0.35); }
.bel-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.9rem; }
.bel-card { display: grid; align-content: start; gap: 0.85rem; padding: 1.05rem 1.2rem 1.2rem; min-height: 12rem; }
.bel-who { display: grid; grid-template-columns: auto minmax(0, 1fr); grid-template-rows: auto auto; align-items: center; gap: 0.3rem 0.8rem; }
.bel-who .orb { --s: 46px; grid-row: 1 / 3; box-shadow: 0 0 0 1.5px var(--c), 0 0 18px -4px var(--c); }
.bel-who b { align-self: end; font: 800 0.8rem/1.15 var(--sans); letter-spacing: 0.03em; text-transform: uppercase; color: var(--white); }
.bel-stance { justify-self: start; align-self: start; padding: 0.32em 0.7em; font: 700 0.54rem/1 var(--mono); letter-spacing: 0.2em; text-transform: uppercase; color: var(--c); }
.bel-q { font: italic 400 clamp(1.02rem, 1.3vw, 1.22rem)/1.45 var(--serif); color: var(--gold-hi); text-shadow: 0 0 18px rgba(245, 197, 66, 0.22); transition: opacity 0.3s var(--ease), transform 0.3s var(--ease), filter 0.3s; }
.bel-card.swap .bel-q, .bel-card.swap .bel-stance { opacity: 0; transform: translateY(6px); filter: blur(3px); }
.bel-stance { transition: opacity 0.3s var(--ease), transform 0.3s var(--ease), filter 0.3s; }
.bel-board .fine { max-width: none; }

/* ---------- 05 · the answer ---------- */
.ans { position: relative; display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 0.5fr) minmax(0, 1.3fr); grid-template-areas: "head head head" "in mid out"; gap: 1.4rem clamp(1rem, 2.6vw, 2.8rem); align-items: center; }
.ans > * { position: relative; z-index: 1; }
.ans > .ans-wires { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; }
.ans-head { grid-area: head; }
.ans-head .head { margin-top: 0.6rem; font-size: clamp(1.7rem, 3vw, 2.8rem); }
.ans-in { grid-area: in; display: grid; gap: clamp(1rem, 2.6vw, 2.4rem); }
.ans-box { padding: 1rem 1.3rem 1.1rem; border-radius: 12px; border: 1.5px solid color-mix(in srgb, var(--c) 50%, var(--line)); background: rgba(21, 21, 31, 0.94); transition: box-shadow 0.3s, border-color 0.3s; }
.ans-box .panel-label { letter-spacing: 0.26em; font-size: 0.68rem; }
.ans-box p { font: 500 0.78rem/1.5 var(--mono); color: var(--text-2); }
.ans-box p.q { font: italic 400 1.15rem/1.3 var(--serif); color: var(--text-2); }
.ans-box.pulse { box-shadow: 0 0 0 1px var(--c), 0 0 26px -6px var(--c); }
.ans-mid { grid-area: mid; display: grid; justify-items: center; gap: 0.9rem; text-align: center; }
.ans-hex { width: clamp(120px, 11.5vw, 180px); transition: transform 0.3s var(--pop); }
.ans-hex b { font-size: clamp(1rem, 1.6vw, 1.5rem); letter-spacing: 0.08em; }
.ans-hex.pulse { transform: scale(1.07); }
.ans-hex.pulse polygon { stroke: var(--white); }
.ans-model { max-width: 22ch; font-size: 0.56rem; line-height: 1.6; letter-spacing: 0.14em; }
.ans-out { grid-area: out; display: grid; gap: 0.9rem; }
.ans-voice { display: flex; flex-wrap: wrap; align-items: center; gap: 0.6rem 1rem; }
.voice-cap { display: grid; gap: 0.2rem; min-width: 0; flex: 1 1 220px; }
.voice-cap .voice-line { margin-top: 0; font-size: 1.05rem; }
.voice-cap .fine { font-size: 0.6rem; }
.said { padding: 1.15rem 1.4rem 1.25rem; border-color: color-mix(in srgb, var(--mint) 45%, var(--line)); background: linear-gradient(165deg, rgba(14, 22, 22, 0.95), rgba(9, 10, 15, 0.96)); }
.said-top { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 0.6rem 1rem; }
.said-ok { color: #04140f; background: var(--mint); box-shadow: 0 0 18px -2px rgba(69, 224, 180, 0.7); }
.said-a { margin-top: 0.9rem; font: italic 500 clamp(1.3rem, 2vw, 1.85rem)/1.3 var(--serif); color: var(--gold-hi); text-shadow: var(--glow-gold); }
.said-k { margin-top: 1rem; }
.said-src { display: flex; flex-wrap: wrap; gap: 0.45rem; }
.said-src li { padding: 0.42rem 0.7rem; border-radius: 6px; border: 1px solid rgba(245, 197, 66, 0.4); background: rgba(30, 24, 10, 0.55); font: 500 0.66rem/1.2 var(--mono); color: var(--text); }
html.js .said-src li { opacity: 0; transform: translateY(6px); transition: opacity 0.3s var(--ease), transform 0.35s var(--ease); }
html.js .said-src li.on { opacity: 1; transform: none; }
html.js .said-ok { opacity: 0; transform: scale(1.5); transition: opacity 0.25s, transform 0.4s var(--pop); }
html.js .said.done .said-ok { opacity: 1; transform: none; }
.said-ctl { display: flex; flex-wrap: wrap; align-items: center; gap: 0.7rem; margin-top: 1rem; }
.said .fine { margin-top: 0.8rem; }

/* ---------- the partner chapters ---------- */
.vault-head { max-width: 980px; margin: 0 auto; }
.vault-head .head { margin-top: 0.7rem; font-size: clamp(1.7rem, 2.9vw, 2.7rem); }
.vault-head .lede { margin: 0.8rem auto 0; }
.vault-grid { position: relative; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.8rem; max-width: 1180px; margin: clamp(1.3rem, 2.4vw, 2rem) auto 0; }
.vault-tile { --c: var(--lav); position: relative; display: grid; align-content: start; gap: 0.4rem; padding: 0.95rem 1.15rem 1.05rem; overflow: hidden; border-radius: 12px;
  border: 1.5px solid color-mix(in srgb, var(--c) 40%, var(--line)); background: repeating-linear-gradient(0deg, rgba(171, 132, 249, 0.035) 0 1px, transparent 1px 4px), linear-gradient(165deg, rgba(26, 18, 46, 0.94), rgba(10, 9, 17, 0.96)); }
.vault-tile.is-boss { --c: var(--gold); }
.vault-n { font: 400 0.7rem/1 var(--pixel); color: var(--c); text-shadow: 0 0 10px color-mix(in srgb, var(--c) 60%, transparent); }
.vault-tile b { margin-top: 0.3rem; font: 800 clamp(0.95rem, 1.3vw, 1.15rem)/1.1 var(--sans); text-transform: uppercase; color: var(--white); }
.vault-tile small { font: 400 0.68rem/1.5 var(--mono); color: var(--text-2); }
.redact { display: grid; gap: 0.32rem; margin-top: 0.45rem; }
.redact i { position: relative; display: block; width: var(--w); height: 0.5rem; overflow: hidden; border-radius: 2px; background: #1c1830; }
.redact i::after { content: ""; position: absolute; inset: 0; transform: translateX(-100%); background: linear-gradient(90deg, transparent, rgba(171, 132, 249, 0.28), transparent); }
.vault-shot.on .redact i::after { animation: shimmer 2.8s var(--ease) infinite; }
.vault-shot.on .redact i:nth-child(2)::after { animation-delay: 0.25s; }
.vault-shot.on .redact i:nth-child(3)::after { animation-delay: 0.5s; }
@keyframes shimmer { 0% { transform: translateX(-100%); } 60%, 100% { transform: translateX(100%); } }
.vault-lock { position: absolute; top: 1rem; right: 1.1rem; display: inline-flex; align-items: center; gap: 0.5rem; font: 400 0.5rem/1 var(--pixel); text-transform: uppercase; color: var(--c); }
.vault-lock .lock { margin-top: 3px; }
.vault-shot.on .vault-lock .lock { animation: lockpulse 2.6s ease-in-out infinite; }
@keyframes lockpulse { 0%, 100% { filter: none; } 50% { filter: drop-shadow(0 0 6px var(--c)); } }
.vault-ctl { justify-content: center; margin-top: clamp(1.2rem, 2vw, 1.7rem); }
.vault-fine { margin: 0.7rem auto 0; text-align: center; }

/* ---------- the film · next chapter ---------- */
.film { display: grid; grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr); grid-template-areas: "copy player" "gate gate"; gap: 1.4rem clamp(2rem, 4vw, 4rem); align-items: center; }
.film-copy { grid-area: copy; }
.film-copy .head { margin-top: 0.6rem; font-size: clamp(1.7rem, 3vw, 2.8rem); }
.film-copy .lede { margin-top: 1rem; }
.film-links { display: flex; flex-wrap: wrap; align-items: center; gap: 0.8rem 1.4rem; margin-top: 1.4rem; }
.film-player { grid-area: player; }
.film-seek { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.film-gate { grid-area: gate; display: grid; gap: 0.5rem; }
.gate small, .gate-sub { display: block; margin-top: 0.5rem; font: 500 0.82rem/1.5 var(--sans); color: var(--text-2); }
.gate-back { justify-self: start; color: var(--text-2); }
.gate-back:hover { color: var(--gold-hi); }

/* ---------- the mark ---------- */
.mark-shot { min-height: 100svh; }

/* ---------- responsive ---------- */
@media (max-width: 1100px) {
  .pipe { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0.7rem; }
  .pipe-wire { display: none; }
  .ans { grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); grid-template-areas: "head head" "in out" "mid out"; }
  .ans-mid { grid-template-columns: auto 1fr; justify-items: start; text-align: left; align-items: center; }
  .ans > .ans-wires { display: none; }
  .bel { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 960px) {
  .clean { grid-template-columns: minmax(0, 1fr); }
  .vault-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  .film { grid-template-columns: minmax(0, 1fr); grid-template-areas: "copy" "player" "gate"; }
  .ret-shot { place-items: center; }
  .ret { grid-template-columns: minmax(0, 1fr); }
  .ret-cloud { position: relative; top: auto; right: auto; bottom: auto; width: 100%; height: 320px; z-index: 0; order: 2; margin-top: -40px; }
  .ret-right { justify-self: start; text-align: left; justify-items: start; }
  .ret-ms { justify-items: start; }
  .film-seek { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .pipe { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .pipe-wire { display: block; flex: none; width: 2px; height: 14px; justify-self: center; }
  .pipe-wire i { transform: scaleY(0); transform-origin: top; }
  .pipe-wire.go i { transform: scaleY(1); }
  .pipe-wire.go::after { animation: packetY 0.42s var(--ease) forwards; }
  @keyframes packetY { 0% { top: 0; left: 50%; opacity: 1; } 100% { top: 100%; left: 50%; opacity: 0; } }
  .pipe-node { display: grid; grid-template-columns: 2.2em minmax(0, 0.8fr) minmax(0, 1.2fr); align-items: baseline; gap: 0 0.7rem; padding: 0.6rem 0.8rem; }
  .pipe-node b, .pipe-node small { margin-top: 0; }
  .pipe-read { flex-direction: column; gap: 0.3rem; min-height: 5em; }
  .pipe-ctl .btn { width: 100%; }
  .pipe-hint { display: none; }
  .clean-scan { justify-items: stretch; }
  .ocr { transform: none; padding-bottom: 3.6rem; }
  .ocr-tag { flex-direction: column; gap: 0.25rem; }
  .top6 span { white-space: normal; }
  .bel-flow { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .bel-grid { grid-template-columns: minmax(0, 1fr); }
  .bel-card { min-height: 0; }
  .bel-top { flex-direction: column; align-items: flex-start; }
  .bel-links .btn { width: 100%; }
  .ans { grid-template-columns: minmax(0, 1fr); grid-template-areas: "head" "in" "mid" "out"; }
  .ans-mid { grid-template-columns: minmax(0, 1fr); justify-items: center; text-align: center; }
  .vault-grid { grid-template-columns: minmax(0, 1fr); }
  .vault-ctl .btn { width: 100%; }
  .film-seek { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (prefers-reduced-motion: reduce) {
  .pipe-wire::after { display: none; }
  .dmg { animation: none; }
  .ocr.sweeping .ocr-beam { display: none; }
  .vault-shot.on .redact i::after, .vault-shot.on .vault-lock .lock { animation: none; }
}