:root {
  color-scheme: dark;
  --bg: #080b0f;
  --panel: #10151b;
  --panel-2: #151b22;
  --text: #eef3f7;
  --muted: #86929d;
  --line: rgba(214, 229, 241, .14);
  --cyan: #58e6ff;
  --green: #a8ff60;
  --violet: #a78bfa;
  --orange: #ff8d5c;
  --paper: #edf1ee;
  --ink: #101419;
  --radius: 22px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--text); background: var(--bg); font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif; line-height: 1.55; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
button { color: inherit; }
:focus-visible { outline: 3px solid var(--cyan); outline-offset: 3px; }
.is-hidden { display: none !important; }

.topbar { position: sticky; z-index: 40; top: 0; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; min-height: 70px; padding: 10px clamp(20px, 4vw, 60px); border-bottom: 1px solid var(--line); background: rgba(8,11,15,.88); backdrop-filter: blur(18px); }
.brand { display: inline-flex; align-items: center; gap: 11px; width: max-content; }.brand > span:last-child { display: grid; line-height: 1; gap: 5px; }.brand b { font-size: 14px; letter-spacing: .16em; }.brand small { color: var(--muted); font-size: 8px; letter-spacing: .18em; }
.brand-icon { position: relative; display: flex; align-items: center; gap: 3px; width: 36px; height: 36px; padding: 8px; border: 1px solid var(--line); border-radius: 10px; background: #121820; }.brand-icon i { width: 4px; border-radius: 3px; background: var(--cyan); }.brand-icon i:nth-child(1) { height: 10px; }.brand-icon i:nth-child(2) { height: 20px; background: var(--green); }.brand-icon i:nth-child(3) { height: 14px; background: var(--violet); }
.brand-mark { width: 40px; height: 40px; flex: 0 0 40px; border-radius: 10px; }
.topbar nav { display: flex; gap: 3px; padding: 4px; border: 1px solid var(--line); border-radius: 10px; background: rgba(255,255,255,.025); }.topbar nav a { display: inline-flex; min-height: 44px; align-items: center; padding: 7px 14px; border-radius: 7px; color: #aab4bc; font-size: 11px; }.topbar nav a:hover { color: #fff; background: rgba(255,255,255,.07); }
.session-state { justify-self: end; display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 10px; letter-spacing: .05em; }.session-state i { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 14px var(--green); }

main { overflow: clip; }.hero { position: relative; display: grid; grid-template-columns: minmax(0,.85fr) minmax(520px,1.15fr); gap: clamp(38px, 6vw, 96px); align-items: center; min-height: calc(100svh - 70px); padding: 90px clamp(24px, 6vw, 96px) 110px; background: radial-gradient(circle at 18% 18%, rgba(88,230,255,.1), transparent 28%), radial-gradient(circle at 78% 30%, rgba(167,139,250,.12), transparent 30%); }
.hero::before { content: ""; position: absolute; inset: 0; opacity: .17; pointer-events: none; background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px); background-size: 42px 42px; mask-image: linear-gradient(to bottom, black, transparent 85%); }
.hero-copy { position: relative; z-index: 2; }.kicker { display: flex; align-items: center; gap: 10px; margin: 0 0 25px; color: #aab4bc; font-size: 10px; font-weight: 700; letter-spacing: .15em; }.kicker span { padding: 5px 8px; border-radius: 5px; color: var(--ink); background: var(--green); }
.hero h1 { margin: 0; font-size: clamp(54px, 6.3vw, 94px); font-weight: 650; line-height: .98; letter-spacing: -.065em; }.hero h1 em { color: transparent; background: linear-gradient(90deg, var(--cyan), var(--green)); background-clip: text; font-style: normal; }
.hero-copy > p:not(.kicker) { max-width: 570px; margin: 30px 0 0; color: #a5b0b9; font-size: clamp(15px,1.4vw,19px); line-height: 1.8; }.hero-actions { display: flex; align-items: center; gap: 18px; margin-top: 37px; }.hero-actions small { color: var(--muted); font-size: 9px; letter-spacing: .08em; }
.primary-button { display: inline-flex; align-items: center; justify-content: center; gap: 18px; min-height: 52px; padding: 0 23px; border: 0; border-radius: 10px; color: var(--ink); background: var(--green); box-shadow: 0 10px 38px rgba(168,255,96,.13); cursor: pointer; font-weight: 800; transition: transform .2s, box-shadow .2s; }.primary-button:hover { transform: translateY(-2px); box-shadow: 0 15px 45px rgba(168,255,96,.21); }.primary-button span { font-size: 20px; }
.signal-list { display: flex; gap: 20px; margin: 38px 0 0; padding: 0; list-style: none; }.signal-list li { display: flex; align-items: center; gap: 7px; color: var(--muted); font-size: 10px; }.signal-list i { width: 5px; height: 5px; border-radius: 50%; background: var(--cyan); }

.editor-demo { position: relative; z-index: 2; min-height: 620px; border: 1px solid rgba(255,255,255,.16); border-radius: 20px; overflow: hidden; background: #0c1117; box-shadow: 0 40px 100px rgba(0,0,0,.45); transform: perspective(1200px) rotateY(-4deg) rotateX(1deg); }.demo-toolbar { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; height: 44px; padding: 0 14px; border-bottom: 1px solid var(--line); color: #6f7b85; font-size: 8px; letter-spacing: .12em; }.demo-toolbar > span { display: flex; gap: 5px; }.demo-toolbar > span i { width: 8px; height: 8px; border-radius: 50%; background: #38424c; }.demo-toolbar > span i:first-child { background: var(--orange); }.demo-toolbar time { justify-self: end; color: var(--cyan); font: 500 12px/1 monospace; }
.demo-body { display: grid; grid-template-columns: 48px 1fr; height: 345px; }.demo-body aside { display: grid; align-content: start; gap: 28px; padding: 22px 5px; border-right: 1px solid var(--line); color: #64717b; font-size: 7px; text-align: center; }.preview-panel { display: grid; grid-template-rows: 1fr 40px; padding: 22px 26px 0; }.preview-screen { position: relative; max-width: 500px; width: 100%; margin: auto; border-radius: 7px; overflow: hidden; background: linear-gradient(140deg,#191e25,#2c2230 60%,#17323a); }.frame-no { position: absolute; z-index: 5; top: 13px; left: 14px; color: rgba(255,255,255,.5); font: 8px/1 monospace; letter-spacing: .12em; }.visual-shape { position: absolute; border-radius: 50%; filter: blur(2px); }.shape-a { right: 8%; bottom: -32%; width: 220px; height: 220px; background: var(--orange); opacity: .55; }.shape-b { right: 30%; top: -40%; width: 180px; height: 180px; background: var(--violet); opacity: .42; }.preview-copy { position: absolute; z-index: 3; left: 9%; bottom: 15%; display: grid; gap: 8px; }.preview-copy small { color: var(--green); font-size: 8px; letter-spacing: .15em; }.preview-copy strong { font-size: clamp(22px,2.3vw,36px); line-height: 1.08; letter-spacing: -.04em; }.safe-zone { position: absolute; inset: 9%; border: 1px dashed rgba(88,230,255,.28); }.transport { display: flex; align-items: center; justify-content: center; gap: 8px; }.transport button { display: grid; place-items: center; width: 24px; height: 24px; border: 0; border-radius: 6px; color: #aab4bc; background: transparent; }.transport .play { color: var(--ink); background: var(--text); font-size: 8px; }.transport span { position: absolute; right: 30px; color: var(--muted); font-size: 7px; }
.demo-timeline { position: relative; height: 230px; padding: 25px 12px 12px 40px; border-top: 1px solid var(--line); background: #0a0e13; }.time-ruler { display: flex; justify-content: space-between; height: 19px; color: #56626c; font: 7px/1 monospace; }.track { position: relative; display: flex; gap: 3px; height: 46px; margin-bottom: 5px; }.track > b { position: absolute; left: -28px; top: 15px; color: #5e6973; font: 7px/1 monospace; }.clip, .caption-clip, .wave-clip { display: flex; align-items: center; padding: 0 8px; border-radius: 4px; overflow: hidden; color: #081014; background: var(--cyan); font-size: 7px; white-space: nowrap; }.clip-a { width: 10%; }.clip-b { width: 18%; background: var(--violet); }.clip-c { width: 42%; background: #5ed39a; }.clip-d { flex: 1; background: var(--orange); }.caption-clip { width: 34%; height: 28px; align-self: center; color: #e7e9eb; background: rgba(167,139,250,.35); }.caption-clip-b { width: 26%; }.wave-clip { width: 88%; height: 28px; align-self: center; justify-content: space-around; padding-inline: 4px; background: rgba(88,230,255,.12); }.wave-clip i { width: 2px; height: 8px; background: var(--cyan); box-shadow: 5px 0 var(--cyan),10px 0 var(--cyan); }.wave-clip i:nth-child(2n) { height: 17px; }.playhead { position: absolute; z-index: 4; top: 20px; bottom: 8px; left: 18%; width: 1px; background: var(--orange); }.playhead::before { content: ""; position: absolute; top: -3px; left: -4px; border: 4px solid transparent; border-top-color: var(--orange); }
.demo-note { position: absolute; z-index: 5; right: -16px; top: 24%; width: 190px; padding: 15px; border: 1px solid rgba(168,255,96,.3); border-radius: 10px; background: rgba(13,20,17,.94); box-shadow: 0 12px 35px rgba(0,0,0,.35); animation: float 5s ease-in-out infinite; }.demo-note span { color: var(--green); font-size: 7px; font-weight: 800; letter-spacing: .14em; }.demo-note p { margin: 7px 0 0; color: #b8c1c7; font-size: 9px; line-height: 1.55; }

.mission-section, .routes-section, .timeline-section, .review-section { padding: 110px clamp(24px,7vw,112px); }.mission-section { color: var(--ink); background: var(--paper); }.routes-section { background: #0e1319; }.review-section { color: var(--ink); background: #dff3ee; }
.section-title { display: grid; grid-template-columns: 80px 1fr; gap: 25px; margin-bottom: 52px; }.section-title > span { display: grid; place-items: center; width: 44px; height: 44px; border: 1px solid currentColor; border-radius: 50%; color: #57616a; font: 600 11px/1 monospace; }.section-title p { margin: 0 0 12px; color: #6b7780; font-size: 9px; font-weight: 800; letter-spacing: .18em; }.section-title h2 { margin: 0; font-size: clamp(40px,5vw,70px); line-height: 1.05; letter-spacing: -.055em; }.section-title small { display: block; max-width: 650px; margin-top: 18px; color: var(--muted); }.light-title > span { color: var(--cyan); }.light-title p { color: var(--cyan); }
.mission-form { display: grid; grid-template-columns: 280px 1fr; max-width: 1120px; margin-left: auto; border: 1px solid rgba(16,20,25,.15); border-radius: var(--radius); overflow: hidden; background: #f7f9f7; box-shadow: 0 26px 70px rgba(27,39,43,.1); }.form-intro { position: relative; padding: 36px; color: #eaf1f3; background: #111820; }.form-intro::after { content: ""; position: absolute; right: 25px; bottom: 30px; width: 100px; height: 100px; border: 1px solid rgba(88,230,255,.2); border-radius: 50%; box-shadow: inset 0 0 0 18px rgba(88,230,255,.04),inset 0 0 0 34px rgba(88,230,255,.03); }.form-intro strong { font-size: 23px; }.form-intro p { margin: 17px 0; color: #89959f; font-size: 12px; line-height: 1.8; }.form-intro span { display: inline-flex; padding: 6px 9px; border-radius: 5px; color: var(--green); background: rgba(168,255,96,.08); font-size: 8px; letter-spacing: .08em; }.form-fields { display: grid; gap: 21px; padding: 34px; }.field-row { display: grid; grid-template-columns: repeat(2,1fr); gap: 16px; }.field-row-three { grid-template-columns: repeat(3,1fr); } label { display: grid; gap: 8px; } label > span, legend { color: #45505a; font-size: 10px; font-weight: 800; letter-spacing: .06em; } input, select, textarea { width: 100%; border: 1px solid rgba(16,20,25,.17); border-radius: 9px; color: var(--ink); background: #fff; } input, select { height: 46px; padding: 0 13px; } textarea { padding: 14px; resize: vertical; line-height: 1.7; } input:focus,select:focus,textarea:focus { border-color: #1a8597; outline: 0; box-shadow: 0 0 0 4px rgba(88,230,255,.13); }.material-field { position: relative; }.material-field span { display: flex; justify-content: space-between; }.material-field small { color: #84909a; font-weight: 400; }.material-field i { position: absolute; right: 12px; bottom: 9px; color: #84909a; font-size: 8px; font-style: normal; }.full-button { width: 100%; margin-top: 2px; }
.visually-hidden { position: absolute !important; width: 1px !important; height: 1px !important; margin: -1px !important; padding: 0 !important; overflow: hidden !important; clip: rect(0 0 0 0) !important; clip-path: inset(50%) !important; border: 0 !important; white-space: nowrap !important; }
.source-intake { display: grid; grid-template-columns: minmax(190px,.8fr) minmax(0,1.2fr); gap: 12px; padding: 18px; border: 1px solid rgba(16,20,25,.13); border-radius: 14px; background: #eef3f0; }
.source-intake-copy { grid-column: 1 / -1; display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }.source-intake-copy span { color: #29333b; font-size: 11px; font-weight: 900; }.source-intake-copy small { color: #77838b; font-size: 9px; }
.source-picker { display: flex; min-height: 154px; align-items: flex-start; justify-content: flex-end; padding: 18px; border: 1px dashed rgba(16,20,25,.28); border-radius: 11px; background: linear-gradient(145deg,#f9fbfa,#e3ebe6); cursor: pointer; flex-direction: column; transition: border-color .2s,transform .2s,background .2s; }.source-picker:hover,.source-picker.is-dragging { border-color: #168397; background: #e4f7f3; transform: translateY(-2px); }.source-picker b { color: #162028; font-size: 17px; }.source-picker > span { color: #6d7981; font-size: 9px; font-weight: 600; letter-spacing: .03em; }
.source-preview { display: grid; min-width: 0; min-height: 154px; place-items: center; overflow: hidden; border-radius: 11px; color: #e9f2f4; background: radial-gradient(circle at 70% 15%,rgba(88,230,255,.17),transparent 36%),#10161c; }.source-preview > div { display: grid; gap: 6px; padding: 20px; text-align: center; }.source-preview > div b { font-size: 13px; }.source-preview > div span { color: #84919a; font-size: 9px; }.source-preview img,.source-preview video { display: block; width: 100%; height: 100%; min-height: 154px; max-height: 230px; object-fit: cover; }.source-preview audio { width: calc(100% - 24px); }
.source-file-list { grid-column: 1 / -1; display: grid; gap: 7px; }.source-file-list > p { margin: 0; color: #748088; font-size: 9px; }.source-file-list article { display: flex; min-width: 0; min-height: 52px; align-items: center; justify-content: space-between; gap: 12px; padding: 6px 6px 6px 12px; border-radius: 9px; background: rgba(255,255,255,.72); }.source-file-list article > span { display: grid; min-width: 0; gap: 2px; }.source-file-list article b { overflow: hidden; color: #202a32; font-size: 10px; text-overflow: ellipsis; white-space: nowrap; }.source-file-list article small { color: #7a858d; font-size: 8px; }.source-file-list button { display: grid; width: 44px; height: 44px; flex: 0 0 44px; place-items: center; border: 0; border-radius: 8px; color: #4d5961; background: #e1e8e4; cursor: pointer; font-size: 20px; }

.route-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; }.route-card { position: relative; min-height: 500px; padding: 26px; border: 1px solid var(--line); border-radius: 18px; color: var(--text); text-align: left; background: #141a21; cursor: pointer; overflow: hidden; transition: transform .2s,border-color .2s,box-shadow .2s; }.route-card::before { content: ""; position: absolute; z-index: 2; inset: 0 0 auto; height: 4px; background: var(--cyan); transform: scaleX(0); transform-origin: left; transition: transform .25s; }.route-card:nth-child(2)::before { background: var(--violet); }.route-card:nth-child(3)::before { background: var(--green); }.route-card:hover { transform: translateY(-6px); border-color: rgba(88,230,255,.4); }.route-card[aria-pressed="true"] { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(88,230,255,.12),0 25px 60px rgba(0,0,0,.3); }.route-card[aria-pressed="true"]::before { transform: scaleX(1); }.route-top { display: flex; justify-content: space-between; align-items: center; }.route-top small { color: var(--cyan); font-size: 8px; font-weight: 800; letter-spacing: .13em; }.route-top b { font: 600 28px/1 monospace; }.route-top b i { color: #66727c; font: 400 8px/1 system-ui; }.route-visual { position: relative; display: block; aspect-ratio: 3 / 2; margin: 22px 0 4px; overflow: hidden; border: 1px solid var(--line); border-radius: 11px; background: #0b1015; }.route-visual img { display: block; width: 100%; height: 100%; object-fit: cover; filter: saturate(.85) contrast(1.04); transition: transform .35s,filter .35s; }.route-card:hover .route-visual img,.route-card[aria-pressed="true"] .route-visual img { transform: scale(1.025); filter: saturate(1) contrast(1.05); }.route-visual small { position: absolute; right: 8px; bottom: 8px; padding: 5px 7px; border-radius: 5px; color: var(--ink); background: var(--green); font-size: 7px; font-weight: 900; letter-spacing: .1em; }.route-card h3 { margin: 24px 0 14px; font-size: 31px; line-height: 1; letter-spacing: -.04em; }.route-card > p { min-height: 70px; margin: 0; color: #9ca7af; font-size: 12px; line-height: 1.7; }.first-frame { margin: 28px 0; padding: 17px; border: 1px solid var(--line); border-radius: 10px; background: #0e1318; }.first-frame small { color: var(--orange); font-size: 7px; font-weight: 800; letter-spacing: .12em; }.first-frame p { margin: 7px 0 0; font-size: 10px; line-height: 1.7; }.gain-loss { display: grid; gap: 13px; margin-top: auto; }.gain-loss span { display: grid; grid-template-columns: 38px 1fr; gap: 8px; color: #9ba6ae; font-size: 10px; line-height: 1.6; }.gain-loss b { color: #5d6973; }.route-card .check { position: absolute; right: 22px; bottom: 20px; display: grid; place-items: center; width: 26px; height: 26px; border: 1px solid var(--line); border-radius: 50%; }.route-card[aria-pressed="true"] .check { color: var(--ink); background: var(--cyan); }
.confirm-dock { position: sticky; z-index: 15; bottom: 18px; display: flex; align-items: center; justify-content: space-between; gap: 20px; max-width: 760px; margin: 32px auto 0; padding: 13px 13px 13px 22px; border: 1px solid rgba(255,255,255,.2); border-radius: 14px; background: rgba(7,10,14,.92); box-shadow: 0 18px 60px rgba(0,0,0,.45); backdrop-filter: blur(16px); }.confirm-dock div { display: grid; }.confirm-dock small { color: var(--muted); font-size: 7px; }.confirm-dock strong { font-size: 12px; }.confirm-dock button,.review-form button { min-height: 44px; padding: 0 18px; border: 0; border-radius: 8px; color: var(--ink); background: var(--green); cursor: pointer; font-weight: 800; }.confirm-dock button:disabled { opacity: .35; cursor: not-allowed; }
.tradeoff-consent { display: flex; align-items: center; gap: 10px; min-height: 44px; color: var(--paper); font-size: .78rem; cursor: pointer; }.tradeoff-consent input { width: 22px; height: 22px; margin: 0; flex: 0 0 22px; accent-color: var(--green); }.tradeoff-consent:has(input:disabled) { opacity: .5; cursor: not-allowed; }

.timeline-section { background: #080b0f; }.decision-summary { display: grid; grid-template-columns: 1fr auto; gap: 30px; align-items: end; margin-bottom: 30px; }.decision-summary small { color: var(--green); font-size: 8px; letter-spacing: .15em; }.decision-summary h3 { margin: 9px 0; font-size: 36px; letter-spacing: -.04em; }.decision-summary p { max-width: 620px; margin: 0; color: var(--muted); }.decision-summary dl { display: flex; margin: 0; }.decision-summary dl div { min-width: 88px; padding: 0 18px; border-left: 1px solid var(--line); }.decision-summary dt { font: 600 23px/1 monospace; }.decision-summary dd { margin: 6px 0 0; color: var(--muted); font-size: 8px; }
.real-timeline { border: 1px solid var(--line); border-radius: 16px; overflow: hidden; background: #0d1218; }.timeline-tools { display: flex; align-items: center; justify-content: space-between; height: 50px; padding: 0 18px; border-bottom: 1px solid var(--line); }.timeline-tools > span { color: #85919b; font: 8px/1 monospace; letter-spacing: .13em; }.timeline-tools div { display: flex; align-items: center; gap: 9px; }.timeline-tools button { width: 25px; height: 25px; border: 1px solid var(--line); border-radius: 5px; background: #141b22; cursor: pointer; }.timeline-tools b { color: #77838c; font: 8px/1 monospace; }.timeline-ruler { display: flex; justify-content: space-between; padding: 10px 15px 7px 74px; color: #5c6872; font: 8px/1 monospace; }.timeline-tracks { display: grid; gap: 6px; padding: 8px 14px 18px; }.real-track { display: grid; grid-template-columns: 52px 1fr; gap: 8px; align-items: center; min-height: 52px; }.real-track > b { color: #68747e; font: 8px/1 monospace; }.clip-row { display: flex; gap: 3px; height: 46px; }.real-clip { position: relative; min-width: 38px; padding: 7px 9px; border: 1px solid rgba(88,230,255,.38); border-radius: 5px; overflow: hidden; color: #bfeef5; background: rgba(88,230,255,.13); cursor: pointer; text-align: left; }.real-clip:nth-child(2) { border-color: rgba(167,139,250,.4); color: #d3c8ff; background: rgba(167,139,250,.14); }.real-clip:nth-child(3) { border-color: rgba(168,255,96,.35); color: #d6ffb3; background: rgba(168,255,96,.11); }.real-clip:nth-child(4) { border-color: rgba(255,141,92,.4); color: #ffd2bf; background: rgba(255,141,92,.12); }.real-clip:nth-child(5) { border-color: rgba(255,255,255,.28); color: #dfe5e9; background: rgba(255,255,255,.08); }.real-clip:hover,.real-clip[aria-pressed="true"] { border-color: #fff; filter: brightness(1.25); }.real-clip strong { display: block; font-size: 9px; white-space: nowrap; }.real-clip small { color: currentColor; opacity: .68; font: 7px/1 monospace; }.audio-row .real-clip { display: flex; align-items: center; border-color: rgba(88,230,255,.2); background: repeating-linear-gradient(90deg,rgba(88,230,255,.25) 0 2px,transparent 2px 6px); }.timeline-detail { min-height: 150px; padding: 24px 28px; border-top: 1px solid var(--line); background: #10161c; }.timeline-detail > p { margin: 38px 0; color: var(--muted); text-align: center; }.clip-detail { display: grid; grid-template-columns: 110px 1fr 1fr; gap: 24px; }.clip-detail time { color: var(--cyan); font: 600 13px/1 monospace; }.clip-detail small { display: block; margin-bottom: 8px; color: #63707a; font-size: 7px; letter-spacing: .1em; }.clip-detail p { margin: 0; color: #bec6cb; font-size: 11px; line-height: 1.7; }
.delivery-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; margin-top: 16px; }.delivery-grid article { padding: 21px; border: 1px solid var(--line); border-radius: 12px; background: #10151b; }.delivery-grid small { color: var(--cyan); font-size: 7px; font-weight: 800; letter-spacing: .12em; }.delivery-grid article:nth-child(2) small { color: var(--orange); }.delivery-grid article:nth-child(3) small { color: var(--green); }.delivery-grid p { margin: 10px 0 0; color: #a6b0b7; font-size: 11px; line-height: 1.7; }.export-bar { display: grid; grid-template-columns: 1fr auto auto; gap: 10px; align-items: center; margin-top: 24px; padding: 20px; border-radius: 13px; color: var(--ink); background: var(--paper); }.export-bar div { display: grid; }.export-bar strong { font-size: 14px; }.export-bar span { color: #66727a; font-size: 9px; }.export-bar button { min-height: 42px; padding: 0 15px; border: 1px solid rgba(16,20,25,.2); border-radius: 8px; color: var(--ink); background: transparent; cursor: pointer; font-size: 10px; font-weight: 800; }.export-bar button:hover { color: #fff; background: var(--ink); }

.review-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 22px; max-width: 1080px; margin-left: auto; }.review-form,.revision-card { padding: 30px; border: 1px solid rgba(16,20,25,.13); border-radius: 17px; background: #f8fbf9; }.review-form { display: grid; gap: 22px; }.review-form fieldset { margin: 0; padding: 0; border: 0; }.review-form legend { margin-bottom: 10px; }.score-inputs { display: grid; grid-template-columns: repeat(5,1fr); gap: 6px; }.score-inputs label { display: block; }.score-inputs input { position: absolute; opacity: 0; }.score-inputs span { display: grid; place-items: center; height: 42px; border: 1px solid rgba(16,20,25,.15); border-radius: 7px; cursor: pointer; }.score-inputs input:checked + span { color: #fff; background: var(--ink); }.review-form button { background: var(--ink); color: #fff; }.revision-card { min-height: 390px; color: var(--text); background: #10161c; }.revision-empty { display: grid; place-items: center; align-content: center; min-height: 300px; padding: 30px; border: 1px dashed var(--line); border-radius: 12px; text-align: center; }.revision-empty span { color: var(--cyan); font: 8px/1 monospace; letter-spacing: .15em; }.revision-empty p { max-width: 360px; color: var(--muted); font-size: 12px; }.revision-card > div > small { color: var(--green); font-size: 8px; letter-spacing: .13em; }.revision-card h3 { margin: 20px 0 13px; font-size: 31px; letter-spacing: -.04em; }.revision-card p { color: #c4ccd1; line-height: 1.8; }.revision-card blockquote { margin: 22px 0 0; padding: 16px; border-left: 3px solid var(--cyan); color: #8f9aa3; background: rgba(255,255,255,.04); font-size: 11px; }.revision-history { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 20px; }.revision-history span { padding: 5px 8px; border-radius: 5px; color: #99a4ac; background: rgba(255,255,255,.07); font-size: 8px; }

footer { display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 30px; min-height: 140px; padding: 30px clamp(24px,7vw,112px); border-top: 1px solid var(--line); color: var(--muted); background: #070a0d; } footer p,footer a { font-size: 9px; } footer a { color: var(--green); letter-spacing: .1em; }.toast { position: fixed; z-index: 60; right: 22px; bottom: 22px; max-width: 370px; padding: 13px 17px; border: 1px solid rgba(168,255,96,.3); border-radius: 9px; color: #dfffc6; background: #121a15; box-shadow: 0 20px 60px rgba(0,0,0,.4); opacity: 0; transform: translateY(12px); pointer-events: none; transition: .24s; }.toast.is-visible { opacity: 1; transform: translateY(0); }
@keyframes float { 50% { transform: translateY(-8px); } }
@media (max-width: 1000px) { .topbar { grid-template-columns: 1fr auto; }.topbar nav { display: none; }.hero { grid-template-columns: 1fr; }.editor-demo { max-width: 760px; width: 100%; margin: auto; transform: none; }.mission-form { grid-template-columns: 1fr; }.form-intro { min-height: 190px; }.route-grid { grid-template-columns: 1fr; }.route-card { min-height: 0; }.decision-summary { grid-template-columns: 1fr; }.delivery-grid { grid-template-columns: 1fr; }.review-grid { grid-template-columns: 1fr; } }
@media (max-width: 650px) { .topbar { min-height: 62px; padding-inline: 16px; }.session-state { max-width: 120px; overflow: hidden; font-size: 8px; text-overflow: ellipsis; white-space: nowrap; }.hero { min-height: auto; padding: 78px 18px; }.hero h1 { font-size: clamp(48px,14vw,70px); }.hero-actions { align-items: flex-start; flex-direction: column; }.signal-list { flex-wrap: wrap; }.editor-demo { min-height: 500px; }.demo-body { height: 290px; }.demo-timeline { height: 190px; }.demo-note { right: 8px; top: 30%; }.preview-panel { padding: 15px 14px 0; }.mission-section,.routes-section,.timeline-section,.review-section { padding: 76px 18px; }.section-title { grid-template-columns: 45px 1fr; gap: 12px; }.section-title h2 { font-size: 39px; }.form-fields,.form-intro { padding: 24px; }.field-row,.field-row-three,.source-intake { grid-template-columns: 1fr; }.source-intake-copy,.source-file-list { grid-column: 1; }.source-intake-copy { align-items: flex-start; flex-direction: column; }.material-field span { gap: 5px; flex-direction: column; }.confirm-dock { align-items: stretch; flex-direction: column; }.confirm-dock button { width: 100%; }.decision-summary dl { width: 100%; }.decision-summary dl div { min-width: 0; flex: 1; padding-inline: 10px; }.clip-detail { grid-template-columns: 1fr; }.export-bar { grid-template-columns: 1fr; }.export-bar button { width: 100%; }.review-form,.revision-card { padding: 22px; } footer { grid-template-columns: 1fr; gap: 12px; padding-block: 40px; } }
@media (prefers-reduced-motion: reduce) { *,*::before,*::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; } }

/* Interactive controls and timeline density are finalized after responsive rules. */
.transport > i { display: grid; place-items: center; width: 24px; height: 24px; border-radius: 6px; color: #aab4bc; font-style: normal; }
.gain-loss > span { display: grid; grid-template-columns: 38px 1fr; gap: 8px; }
.gain-loss > span > span { display: block; grid-template-columns: none; }
.timeline-tools { min-height: 60px; height: auto; }
.timeline-tools button { width: 44px; height: 44px; border-radius: 7px; }
.timeline-tools b { min-width: 42px; text-align: center; }
.timeline-tracks { overflow-x: auto; }
.real-track { width: 100%; min-width: 100%; transition: width .2s ease; }
.real-clip { min-width: 44px; min-height: 44px; }
.export-bar button,
.score-inputs span { min-height: 44px; }
.score-inputs label { position: relative; min-width: 0; }
.score-inputs input {
  inset: 50% auto auto 50%;
  width: 1px;
  height: 1px;
  margin: 0;
  overflow: hidden;
  clip-path: inset(50%);
  pointer-events: none;
}
.topbar > .brand,
footer > a { min-height: 44px; }
footer > a { display: inline-flex; align-items: center; }

/* The story stage is task state: only one four-frame chapter is mounted at once. */
.story-stage { padding: 96px clamp(18px,5vw,72px); background: #0d1218; color: var(--paper); overflow: clip; scroll-margin-top: 72px; }
.story-header { display: grid; grid-template-columns: minmax(0,1.3fr) minmax(240px,.7fr); gap: 40px; align-items: end; max-width: 1320px; margin: 0 auto 34px; }
.story-header > div > p { color: var(--green); font-size: 10px; font-weight: 900; letter-spacing: .24em; }
.story-header h2 { max-width: 780px; margin: 12px 0 0; font-size: clamp(40px,6vw,78px); line-height: .98; letter-spacing: -.055em; }
.story-header > p { max-width: 430px; margin: 0; color: var(--muted); line-height: 1.7; }
.story-progress { display: grid; grid-template-columns: repeat(6,minmax(0,1fr)); max-width: 1320px; margin: 0 auto 22px; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.story-progress button { min-width: 0; min-height: 52px; padding: 9px 12px; border: 0; border-right: 1px solid var(--line); color: var(--muted); background: #10161d; cursor: pointer; text-align: left; font: inherit; font-size: 11px; }
.story-progress button:last-child { border-right: 0; }.story-progress button span { display: block; margin-bottom: 3px; color: #68737a; font-size: 8px; letter-spacing: .16em; }
.story-progress button[aria-current="step"] { color: var(--ink); background: var(--green); font-weight: 850; }.story-progress button[aria-current="step"] span { color: #34412c; }
.story-layout { display: grid; grid-template-columns: minmax(0,1fr) minmax(230px,310px); gap: 22px; max-width: 1320px; margin: 0 auto; }
.story-frames { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px; min-width: 0; }
.story-frame { position: relative; min-width: 0; margin: 0; aspect-ratio: 3 / 2; overflow: hidden; border: 1px solid var(--line); border-radius: 14px; background: #111820; }
.story-frame img { width: 100%; height: 100%; object-fit: cover; display: block; filter: saturate(.92) contrast(1.02); transition: transform .5s ease, filter .5s ease; }
.story-frame:hover img { transform: scale(1.015); filter: saturate(1) contrast(1.04); }
.story-frame figcaption { position: absolute; inset: auto 0 0; display: flex; align-items: flex-end; gap: 10px; padding: 38px 14px 12px; background: linear-gradient(transparent,rgba(3,6,9,.94)); }
.story-frame figcaption span { color: var(--green); font-size: 9px; font-weight: 900; }.story-frame figcaption p { margin: 0; color: #eef4e9; font-size: clamp(10px,1.15vw,13px); line-height: 1.4; }
.story-caption { display: flex; min-width: 0; min-height: 100%; padding: 24px; border-radius: 14px; background: var(--green); color: var(--ink); flex-direction: column; }
.story-caption > span { font-size: 10px; font-weight: 900; letter-spacing: .16em; }.story-caption > p:first-of-type { margin: auto 0 8px; font-size: 11px; font-weight: 900; letter-spacing: .16em; }
.story-caption h3 { margin: 0; font-size: clamp(28px,3.3vw,48px); line-height: 1.02; letter-spacing: -.045em; }.story-caption > p:last-child { margin: 18px 0 0; color: #33402d; font-size: 12px; line-height: 1.65; }

@media (max-width: 800px) {
  .story-header,.story-layout { grid-template-columns: 1fr; }.story-progress { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; }.story-progress button { flex: 0 0 112px; min-height: 52px; scroll-snap-align: start; border-bottom: 0; }.story-caption { min-height: 260px; }.story-caption > p:first-of-type { margin-top: 50px; }
}

@media (max-width: 520px) {
  .story-stage { padding: 76px 16px; }.story-header { gap: 18px; margin-bottom: 24px; }.story-header h2 { font-size: clamp(40px,12.6vw,58px); }.story-frames { grid-template-columns: 1fr; }.story-frame { border-radius: 11px; }.story-caption { min-height: 230px; padding: 20px; }
}

.conflict-card { max-width: 1080px; margin: 0 auto 22px; padding: 24px; border: 1px solid rgba(255,141,92,.35); border-radius: 16px; background: linear-gradient(135deg,rgba(255,141,92,.1),rgba(12,17,23,.5)); }
.conflict-card > small { color: var(--orange); font-size: 8px; font-weight: 850; letter-spacing: .16em; }.conflict-card h3 { max-width: 900px; margin: 10px 0; font-size: clamp(20px,2.4vw,34px); line-height: 1.22; letter-spacing: -.03em; }.conflict-card > p { margin: 0; color: #aab4bc; line-height: 1.7; }
.conflict-card > div { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 8px; margin-top: 18px; }.conflict-card > div span { min-width: 0; padding: 10px; border-radius: 8px; color: #c5cdd2; background: rgba(255,255,255,.05); font-size: 10px; line-height: 1.5; }.conflict-card > div b { margin-right: 7px; color: var(--cyan); font-size: 8px; }
.route-grid { grid-auto-rows: 1fr; }
.route-card { display: flex; height: 100%; flex-direction: column; }
.first-frame { display: block; }
.criteria { display: grid; gap: 7px; margin: 0 0 24px; }.criteria > span { display: grid; grid-template-columns: 34px minmax(0,1fr) 24px; gap: 7px; align-items: center; font-size: 8px; }.criteria b { color: #7f8b94; font-weight: 700; }.criteria i { position: relative; height: 4px; border-radius: 999px; background: #29323a; overflow: hidden; }.criteria i::after { content: ""; position: absolute; inset: 0 auto 0 0; width: var(--value); border-radius: inherit; background: var(--cyan); }.criteria em { color: #aeb8bf; font-style: normal; text-align: right; }
.causal-explain { display: grid; gap: 5px; margin: 20px 36px 0 0; padding-top: 14px; border-top: 1px solid var(--line); color: #7f8b94; font-size: 8px; line-height: 1.5; }.causal-explain small { color: var(--green); font-size: 7px; font-weight: 850; letter-spacing: .12em; }.causal-explain span:first-of-type { color: #c6ced3; font-size: 10px; }
.next-round { margin-top: 22px; padding: 18px; border: 1px solid rgba(185,255,102,.3); border-radius: 12px; background: rgba(185,255,102,.07); }.next-round > small { color: var(--green); font-size: 8px; font-weight: 900; letter-spacing: .13em; }.next-round h4 { margin: 10px 0; font-size: 22px; }.next-round > strong { display: block; margin-top: 14px; color: var(--cyan); font-size: 9px; }.next-round p { margin: 6px 0; font-size: 11px; }
.next-candidates { display: grid; gap: 6px; margin-top: 16px; }.next-candidates span { display: grid; grid-template-columns: 22px 1fr auto; gap: 8px; padding: 8px; border-radius: 7px; background: rgba(255,255,255,.06); font-size: 10px; }.next-candidates b { color: var(--green); }.next-candidates em { color: var(--cyan); font-style: normal; }

@media (max-width: 650px) {
  .conflict-card { padding: 18px; }.conflict-card > div { grid-template-columns: 1fr; }.criteria { margin-bottom: 18px; }.causal-explain { margin-top: 16px; }.route-card { min-height: 0; }
}

/* Safe-area, keyboard, and narrow-viewport release contract. */
html { max-width: 100%; overflow-x: clip; scroll-padding-top: calc(78px + env(safe-area-inset-top)); scroll-padding-bottom: calc(28px + env(safe-area-inset-bottom)); }
body { max-width: 100%; min-width: 0; overflow-x: clip; }
button, a, input, select, textarea { touch-action: manipulation; }
input, select, textarea { scroll-margin-block: 110px calc(180px + env(safe-area-inset-bottom)); }
.topbar { padding-top: calc(10px + env(safe-area-inset-top)); padding-left: max(clamp(16px,4vw,60px),env(safe-area-inset-left)); padding-right: max(clamp(16px,4vw,60px),env(safe-area-inset-right)); }
.confirm-dock { bottom: calc(14px + env(safe-area-inset-bottom)); }
.toast { right: max(14px,env(safe-area-inset-right)); bottom: calc(14px + env(safe-area-inset-bottom)); }
footer { padding-bottom: calc(30px + env(safe-area-inset-bottom)); padding-left: max(clamp(16px,7vw,112px),env(safe-area-inset-left)); padding-right: max(clamp(16px,7vw,112px),env(safe-area-inset-right)); }
.hero,.editor-demo,.mission-form,.route-grid,.route-card,.real-timeline,.review-grid,.story-layout { min-width: 0; max-width: 100%; }
@supports (height: 100dvh) { .hero { min-height: calc(100dvh - 70px); } }

@media (max-width: 430px) {
  input, select, textarea { font-size: 16px; }
  .topbar { grid-template-columns: minmax(0,1fr) auto; padding-inline: max(14px,env(safe-area-inset-left)) max(14px,env(safe-area-inset-right)); }
  .brand { min-width: 0; }.brand > span:last-child { min-width: 0; }.brand small { letter-spacing: .1em; }.session-state { max-width: 80px; white-space: nowrap; }
  .hero { width: 100%; padding: 72px 16px 76px; }.hero h1 { font-size: clamp(43px,13.4vw,58px); }.hero-actions,.hero-actions .primary-button { width: 100%; }.signal-list { gap: 10px 14px; }
  .editor-demo { width: 100%; min-height: 470px; border-radius: 14px; }.demo-toolbar { grid-template-columns: auto minmax(0,1fr) auto; gap: 6px; }.demo-toolbar b { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; text-align: center; }.demo-body { grid-template-columns: 38px minmax(0,1fr); height: 265px; }.demo-body aside { overflow: hidden; }.demo-timeline { height: 160px; padding-left: 34px; }.demo-note { right: 8px; width: min(180px,62vw); }
  .story-stage,.mission-section,.routes-section,.timeline-section,.review-section { width: 100%; padding: 70px 16px; }.story-progress { max-width: 100%; }.story-progress button { flex-basis: 104px; }
  .section-title { grid-template-columns: 40px minmax(0,1fr); }.section-title h2 { overflow-wrap: anywhere; font-size: clamp(34px,10.5vw,44px); }
  .form-fields,.form-intro,.route-card,.review-form,.revision-card { padding: 20px; }.route-card h3 { margin-top: 24px; }.route-card > p { min-height: 0; }
  .confirm-dock { width: 100%; max-width: 100%; padding: 14px; }.tradeoff-consent { align-items: start; }.tradeoff-consent span { line-height: 1.5; }
  .decision-summary dl { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); }.timeline-ruler { padding-left: 58px; }.real-track { grid-template-columns: 40px minmax(520px,1fr); }.timeline-tracks { overscroll-behavior-inline: contain; }
  .export-bar { padding: 16px; }.score-inputs { gap: 4px; }.score-inputs span { min-height: 44px; height: 44px; }
}

@media (max-width: 390px) {
  .topbar .brand small { display: none; }.brand-mark { width: 36px; height: 36px; flex-basis: 36px; }
  .hero { padding-inline: 14px; }.hero-copy > p:not(.kicker) { font-size: 15px; }.editor-demo { min-height: 450px; }.demo-note { top: 27%; }
  .story-stage,.mission-section,.routes-section,.timeline-section,.review-section { padding-inline: 14px; }.story-header h2 { font-size: 44px; }.story-frame figcaption p { font-size: 10px; }
  .form-fields,.form-intro,.route-card,.review-form,.revision-card { padding: 18px; }.confirm-dock { padding: 12px; }.next-round { padding: 14px; }
}

@media (max-width: 320px) {
  .topbar { padding-inline: max(10px,env(safe-area-inset-left)) max(10px,env(safe-area-inset-right)); }.session-state { max-width: 62px; }.hero { padding-inline: 12px; }.hero h1 { font-size: 40px; }.kicker { gap: 6px; font-size: 8px; }.primary-button { padding-inline: 14px; }
  .editor-demo { min-height: 430px; }.demo-body { grid-template-columns: 32px minmax(0,1fr); height: 250px; }.preview-panel { padding-inline: 8px; }.demo-timeline { height: 155px; }.demo-note { width: 168px; }
  .story-stage,.mission-section,.routes-section,.timeline-section,.review-section { padding-inline: 12px; }.story-header h2 { font-size: 39px; }.section-title { grid-template-columns: 36px minmax(0,1fr); gap: 8px; }.section-title h2 { font-size: 32px; }
  .form-fields,.form-intro,.route-card,.review-form,.revision-card { padding: 16px; }.decision-summary dl div { padding-inline: 6px; }.decision-summary dt { font-size: 18px; }.export-bar,.confirm-dock { padding: 10px; }.next-round { padding: 12px; }
}

/* Fifty distinct field scenes form a usable evidence index, with twenty on the direct path. */
.field-story-v3 { padding: 100px clamp(18px,5vw,72px); color: var(--paper); background: linear-gradient(180deg,#091015,#0d171b); overflow: clip; }
.field-story-v3-header { display: grid; grid-template-columns: minmax(0,1.25fr) minmax(260px,.75fr); gap: 42px; align-items: end; max-width: 1320px; margin: 0 auto 30px; }
.field-story-v3-header > div > p { margin: 0 0 12px; color: var(--cyan); font-size: 9px; font-weight: 900; letter-spacing: .2em; }
.field-story-v3-header h2 { max-width: 850px; margin: 0; font-size: clamp(42px,6vw,76px); line-height: .99; letter-spacing: -.055em; }
.field-story-v3-header > p { margin: 0; color: #9ba8ae; font-size: 13px; line-height: 1.75; }
.field-story-v3-filters { display: flex; gap: 8px; max-width: 1320px; margin: 0 auto; padding: 10px 0 12px; overflow-x: auto; scrollbar-width: thin; }
.field-story-v3-control { min-height: 44px; padding: 10px 15px; border: 1px solid #26343a; border-radius: 999px; color: #c8d2d4; background: #101a1f; cursor: pointer; flex: 0 0 auto; font: inherit; font-size: 11px; font-weight: 780; }
.field-story-v3-control:hover { border-color: var(--cyan); color: #fff; }
.field-story-v3-control[aria-pressed="true"] { border-color: var(--green); color: var(--ink); background: var(--green); }
.field-story-v3-status { max-width: 1320px; min-height: 22px; margin: 8px auto 20px; color: #7e9097; font-size: 10px; line-height: 1.6; }
.field-story-v3-status:focus-visible { outline: 2px solid var(--cyan); outline-offset: 4px; }
.field-story-v3-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px; max-width: 1320px; margin: 0 auto; }
.field-story-v3-card { display: grid; grid-template-columns: minmax(170px,.82fr) minmax(0,1.18fr); min-width: 0; overflow: hidden; border: 1px solid #253137; border-radius: 15px; background: #10181d; content-visibility: auto; contain-intrinsic-size: 260px; }
.field-story-v3-card figure { position: relative; min-width: 0; min-height: 100%; margin: 0; overflow: hidden; background: #111a20; }
.field-story-v3-card img { display: block; width: 100%; height: 100%; min-height: 220px; object-fit: cover; }
.field-story-v3-card figure > span { position: absolute; left: 10px; top: 10px; display: grid; place-items: center; min-width: 34px; min-height: 34px; padding: 5px; border-radius: 999px; color: var(--ink); background: var(--green); font-size: 9px; font-weight: 900; }
.field-story-v3-card > div { min-width: 0; padding: 20px; }
.field-story-v3-card small { color: var(--cyan); font-size: 8px; font-weight: 850; letter-spacing: .08em; }
.field-story-v3-card h3 { margin: 9px 0 7px; color: #f1f7f3; font-size: clamp(17px,1.7vw,23px); line-height: 1.2; letter-spacing: -.025em; }
.field-story-v3-card p { margin: 0 0 15px; color: #9ba8ae; font-size: 11px; line-height: 1.65; }
.field-story-v3-card dl { display: grid; gap: 7px; margin: 0; }
.field-story-v3-card dl div { display: grid; grid-template-columns: 32px minmax(0,1fr); gap: 7px; }
.field-story-v3-card dt { color: var(--green); font-size: 8px; font-weight: 850; }
.field-story-v3-card dd { min-width: 0; margin: 0; color: #788990; font-size: 9px; line-height: 1.5; }
.field-story-v3-more { display: block; margin: 24px auto 0; border-radius: 10px; }
.field-story-v3-more[hidden] { display: none; }

@media (max-width: 920px) {
  .field-story-v3-header { grid-template-columns: 1fr; gap: 18px; }
  .field-story-v3-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .field-story-v3 { padding: 76px 16px; }
  .field-story-v3-header h2 { font-size: clamp(39px,11.5vw,56px); }
  .field-story-v3-card { grid-template-columns: 1fr; }
  .field-story-v3-card figure { aspect-ratio: 3 / 2; }
  .field-story-v3-card img { min-height: 0; }
}

@media (max-width: 390px) {
  .field-story-v3 { padding-inline: 14px; }
  .field-story-v3-grid { grid-template-columns: minmax(0,1fr); gap: 12px; }
  .field-story-v3-card > div { padding: 17px; }
  .field-story-v3-control { padding-inline: 13px; }
}

@media (max-width: 320px) {
  .field-story-v3 { padding-inline: 12px; }
  .field-story-v3-header h2 { font-size: 37px; }
}