:root {
  color-scheme: dark;
  --ink: #f6f3eb;
  --muted: #9ba5b4;
  --faint: #697385;
  --void: #05070c;
  --night: #090d15;
  --panel: #0d131e;
  --panel-2: #111a28;
  --line: rgba(169, 194, 221, .16);
  --line-strong: rgba(169, 194, 221, .3);
  --signal: #66e4c1;
  --signal-soft: rgba(102, 228, 193, .12);
  --amber: #ffc96d;
  --danger: #ff8e86;
  --blue: #87b7ff;
  --max: 1240px;
  --radius: 18px;
  --font: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --serif: Iowan Old Style, Baskerville, "Times New Roman", serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--void); }
body { margin: 0; min-height: 100vh; color: var(--ink); background: var(--void); font-family: var(--font); font-size: 16px; line-height: 1.55; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button, textarea, select { font: inherit; }
button { color: inherit; }
img { display: block; max-width: 100%; }
.skip { position: fixed; top: -80px; left: 16px; z-index: 100; padding: 10px 14px; border-radius: 8px; background: var(--ink); color: var(--void); }
.skip:focus { top: 12px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.masthead { height: 68px; position: sticky; top: 0; z-index: 50; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 0 max(24px, calc((100vw - var(--max)) / 2)); border-bottom: 1px solid var(--line); background: rgba(5, 7, 12, .88); backdrop-filter: blur(22px); }
.brand { display: inline-flex; align-items: center; gap: 11px; font-size: 13px; letter-spacing: .14em; font-weight: 500; white-space: nowrap; }
.brand img { width: 27px; height: 27px; object-fit: contain; }
.brand b { font-weight: 800; color: var(--signal); }
.masthead nav { display: flex; align-items: center; gap: 24px; color: var(--muted); font-size: 13px; }
.masthead nav a:hover, .masthead nav a:focus-visible { color: var(--ink); }
.nav-cta { color: var(--void) !important; background: var(--signal); padding: 8px 13px; border-radius: 999px; font-weight: 700; }

.footer { max-width: var(--max); margin: 0 auto; min-height: 88px; padding: 26px 24px; border-top: 1px solid var(--line); color: var(--faint); font-size: 12px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.footer a:hover { color: var(--ink); }
.eyebrow { margin: 0; color: var(--signal); font-size: 11px; line-height: 1.2; font-weight: 750; text-transform: uppercase; letter-spacing: .17em; }

/* Consumer */
.surface-consumer { overflow-x: hidden; }
.consumer-layout { min-height: calc(100vh - 68px); display: grid; grid-template-columns: 244px minmax(0, 1fr); }
.atlas-rail { min-height: calc(100vh - 68px); padding: 18px 14px; border-right: 1px solid var(--line); background: #070a10; display: flex; flex-direction: column; gap: 22px; }
.new-thread { width: 100%; min-height: 42px; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); padding: 0 14px; text-align: left; cursor: pointer; font-size: 13px; }
.new-thread span { color: var(--signal); margin-right: 8px; }
.new-thread:hover { border-color: var(--line-strong); background: var(--panel-2); }
.rail-block { min-height: 0; flex: 1; }
.session-history { list-style: none; padding: 10px 0 0; margin: 0; display: grid; gap: 3px; }
.session-history li { min-width: 0; }
.session-history button { width: 100%; border: 0; border-radius: 8px; background: transparent; padding: 9px 8px; color: var(--muted); text-align: left; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; cursor: pointer; font-size: 12px; }
.session-history button:hover { background: var(--panel); color: var(--ink); }
.empty-history { padding: 12px 8px; color: var(--faint); font-size: 12px; }
.rail-network { display: flex; align-items: center; gap: 10px; padding: 12px; border-radius: 12px; background: var(--signal-soft); border: 1px solid rgba(102, 228, 193, .16); }
.rail-network strong, .rail-network small { display: block; }
.rail-network strong { font-size: 12px; }
.rail-network small { margin-top: 2px; color: var(--muted); font-size: 10px; }
.pulse-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 0 5px rgba(102, 228, 193, .1); }
.ask-workspace { position: relative; min-width: 0; min-height: calc(100vh - 68px); padding: 34px 24px 170px; overflow: hidden; }
.ambient-grid { pointer-events: none; position: absolute; inset: 0; opacity: .38; background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 52px 52px; mask-image: linear-gradient(to bottom, black, transparent 70%); }
.conversation { position: relative; z-index: 1; width: min(820px, 100%); margin: 0 auto; }
.welcome { display: flex; flex-direction: column; justify-content: center; align-items: flex-start; padding: 24px 0; }
.signal-mark { width: 58px; height: 58px; border: 1px solid var(--line-strong); border-radius: 18px; display: grid; place-items: center; background: var(--panel); margin-bottom: 26px; }
.signal-mark img { width: 33px; height: 33px; object-fit: contain; }
.welcome h1, .company-hero h1, .trust-intro h1, .not-found h1 { margin: 12px 0 16px; font-family: var(--serif); font-weight: 450; letter-spacing: -.035em; line-height: 1.04; }
.welcome h1 { max-width: 690px; font-size: clamp(42px, 5.4vw, 64px); }
.welcome-copy { max-width: 650px; margin: 0; color: var(--muted); font-size: 18px; }
.prompt-starters { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; width: 100%; margin-top: 24px; }
.prompt-starters button { border: 1px solid var(--line); border-radius: 12px; background: rgba(13, 19, 30, .72); padding: 13px 15px; color: var(--muted); text-align: left; cursor: pointer; font-size: 13px; }
.prompt-starters button:hover { border-color: var(--line-strong); color: var(--ink); transform: translateY(-1px); }
.composer-wrap { position: fixed; z-index: 20; left: 244px; right: 0; bottom: 0; padding: 20px 24px 16px; background: linear-gradient(to bottom, transparent, rgba(5, 7, 12, .94) 24%, var(--void) 58%); }
.composer { width: min(820px, 100%); margin: 0 auto; border: 1px solid var(--line-strong); border-radius: 18px; background: rgba(13, 19, 30, .96); padding: 14px; }
.composer:focus-within { border-color: rgba(102, 228, 193, .5); }
.composer textarea { width: 100%; min-height: 30px; max-height: 180px; resize: none; border: 0; outline: none; background: transparent; color: var(--ink); padding: 2px 3px 12px; line-height: 1.5; }
.composer textarea::placeholder { color: var(--faint); }
.composer-tools { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.tool-left { display: flex; align-items: center; gap: 8px; }
.mic-button, .composer select { height: 31px; border: 1px solid var(--line); border-radius: 9px; background: var(--night); color: var(--muted); }
.mic-button { width: 31px; cursor: pointer; }
.mic-button.listening { color: var(--void); background: var(--signal); border-color: var(--signal); }
.composer select { padding: 0 8px; font-size: 11px; }
.send-button { min-width: 82px; height: 34px; display: flex; justify-content: space-between; align-items: center; gap: 12px; border: 0; border-radius: 10px; background: var(--signal); color: var(--void); padding: 0 10px 0 13px; font-size: 12px; font-weight: 750; cursor: pointer; }
.send-button b { width: 20px; height: 20px; border-radius: 6px; display: grid; place-items: center; background: rgba(5, 7, 12, .12); font-size: 14px; }
.send-button:disabled { opacity: .45; cursor: wait; }
.composer-note { width: min(820px, 100%); margin: 8px auto 0; color: var(--faint); text-align: center; font-size: 10px; }

.message { display: flex; margin: 24px 0; }
.message-user { justify-content: flex-end; }
.message-user .message-body { max-width: 74%; padding: 12px 15px; border-radius: 16px 16px 4px 16px; background: var(--panel-2); border: 1px solid var(--line); }
.message-assistant { justify-content: flex-start; }
.message-assistant .message-body { width: 100%; }
.answer-card { border-top: 1px solid var(--line); padding-top: 22px; }
.answer-head { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 14px; }
.answer-head h2 { margin: 0; font-family: var(--serif); font-size: 30px; font-weight: 500; line-height: 1.15; }
.source-pill, .verdict-pill { display: inline-flex; align-items: center; min-height: 26px; border-radius: 999px; border: 1px solid var(--line); padding: 0 9px; color: var(--muted); font-size: 10px; white-space: nowrap; }
.verdict-pill { color: var(--signal); border-color: rgba(102, 228, 193, .28); background: var(--signal-soft); text-transform: uppercase; letter-spacing: .08em; }
.verdict-pill.misleading, .verdict-pill.conditional { color: var(--amber); border-color: rgba(255, 201, 109, .28); background: rgba(255, 201, 109, .08); }
.verdict-pill.contradicted { color: var(--danger); border-color: rgba(255, 142, 134, .3); background: rgba(255, 142, 134, .08); }
.answer-copy { margin: 0; color: #e5e9ee; font-size: 17px; line-height: 1.72; }
.answer-grid { margin-top: 20px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.answer-section { padding: 15px; border: 1px solid var(--line); border-radius: 13px; background: rgba(13, 19, 30, .55); }
.answer-section h3 { margin: 0 0 8px; color: var(--muted); font-size: 10px; text-transform: uppercase; letter-spacing: .12em; }
.answer-section ul { margin: 0; padding-left: 18px; color: var(--muted); font-size: 13px; }
.answer-section li + li { margin-top: 6px; }
.source-link { margin-top: 18px; display: inline-flex; align-items: center; gap: 8px; color: var(--signal); font-size: 12px; }
.source-link:hover { text-decoration: underline; }
.source-list { margin-top: 18px; display: flex; flex-wrap: wrap; align-items: center; gap: 7px 12px; }
.source-list .source-link { margin-top: 0; }
.source-label { color: var(--faint); font-size: 10px; text-transform: uppercase; letter-spacing: .1em; }
.confidence { margin-left: 8px; color: var(--faint); font-size: 10px; }
.feedback-row { display: flex; align-items: center; gap: 7px; margin-top: 18px; }
.feedback-row span { margin-right: 4px; color: var(--faint); font-size: 10px; }
.feedback-row button { border: 1px solid var(--line); border-radius: 8px; background: transparent; padding: 5px 9px; color: var(--muted); font-size: 10px; cursor: pointer; }
.feedback-row button:hover, .feedback-row button.selected { border-color: var(--line-strong); color: var(--ink); background: var(--panel); }
.typing { display: flex; gap: 5px; padding: 12px 0; }
.typing-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--signal); animation: pulse 1.1s infinite ease-in-out; }
.typing-dot:nth-child(2) { animation-delay: .16s; }
.typing-dot:nth-child(3) { animation-delay: .32s; }
@keyframes pulse { 0%, 75%, 100% { opacity: .24; transform: translateY(0); } 35% { opacity: 1; transform: translateY(-4px); } }
.error-card { padding: 14px; border: 1px solid rgba(255, 142, 134, .3); border-radius: 12px; color: #ffd2cf; background: rgba(255, 142, 134, .07); }

/* Company and trust */
.editorial-main { max-width: var(--max); margin: 0 auto; padding: 82px 24px 110px; }
.company-hero { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(320px, .75fr); gap: 70px; align-items: center; min-height: 620px; }
.company-hero h1, .trust-intro h1 { font-size: clamp(48px, 6vw, 82px); }
.company-hero > div > p:not(.eyebrow), .trust-intro > p:not(.eyebrow) { max-width: 720px; color: var(--muted); font-size: 19px; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.primary-link, .secondary-link { min-height: 42px; display: inline-flex; align-items: center; gap: 12px; border-radius: 999px; padding: 0 17px; font-size: 12px; font-weight: 700; }
.primary-link { background: var(--signal); color: var(--void); }
.secondary-link { border: 1px solid var(--line-strong); color: var(--muted); }
.primary-link:hover, .secondary-link:hover { transform: translateY(-1px); }
.constellation-card { min-height: 420px; border: 1px solid var(--line); border-radius: 30px; background: var(--night); padding: 30px; display: flex; flex-direction: column; justify-content: space-between; }
.constellation-card p { margin: 0; color: var(--muted); font-size: 13px; }
.constellation-card p b { display: block; color: var(--ink); font-family: var(--serif); font-size: 62px; font-weight: 500; line-height: 1; }
.orbit { position: relative; width: min(300px, 100%); aspect-ratio: 1; margin: 0 auto; border: 1px solid var(--line); border-radius: 50%; display: grid; place-items: center; }
.orbit::before, .orbit::after { content: ""; position: absolute; inset: 18%; border: 1px solid var(--line); border-radius: 50%; }
.orbit::after { inset: 37%; }
.orbit img { width: 52px; z-index: 1; }
.node { position: absolute; padding: 4px 7px; border-radius: 999px; background: var(--panel-2); border: 1px solid var(--line); color: var(--muted); font-size: 8px; letter-spacing: .08em; }
.n1 { top: 4%; left: 38%; } .n2 { right: -2%; top: 38%; } .n3 { right: 12%; bottom: 8%; } .n4 { left: 5%; bottom: 18%; } .n5 { left: -6%; top: 32%; }
.architecture-band { margin: 42px 0 88px; padding: 24px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); display: grid; grid-template-columns: repeat(7, auto); align-items: center; gap: 16px; }
.architecture-band article { min-width: 0; }
.architecture-band article span { color: var(--signal); font-size: 10px; }
.architecture-band article b { display: block; margin-top: 6px; font-size: 14px; }
.architecture-band article p { margin: 5px 0 0; color: var(--faint); font-size: 11px; }
.architecture-band i { color: var(--faint); font-style: normal; }
.company-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.company-grid article { background: var(--void); padding: 30px; }
.company-grid h2 { margin: 10px 0; font-family: var(--serif); font-size: 29px; font-weight: 500; }
.company-grid article > p:not(.eyebrow) { color: var(--muted); font-size: 13px; }
.company-grid a { display: inline-block; margin-top: 12px; color: var(--signal); font-size: 11px; }
.developer-panel { margin-top: 72px; display: grid; grid-template-columns: 1.2fr .8fr; gap: 64px; padding: 44px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--night); }
.developer-panel h2 { margin: 10px 0; font-family: var(--serif); font-size: 38px; font-weight: 500; }
.developer-panel p:not(.eyebrow) { color: var(--muted); }
.developer-panel dl { margin: 0; display: grid; align-content: center; }
.developer-panel dl div { display: grid; grid-template-columns: 58px 1fr; gap: 12px; padding: 11px 0; border-bottom: 1px solid var(--line); }
.developer-panel dt { color: var(--signal); font-size: 10px; font-weight: 750; }
.developer-panel dd { margin: 0; color: var(--muted); font-family: ui-monospace, monospace; font-size: 12px; }
.trust-intro { padding: 70px 0 50px; max-width: 900px; }
.trust-home { min-height: 510px; display: flex; flex-direction: column; justify-content: center; }
.proof-strip { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.proof-strip div { padding: 24px 18px; border-right: 1px solid var(--line); }
.proof-strip div:last-child { border-right: 0; }
.proof-strip b, .proof-strip span { display: block; }
.proof-strip b { font-family: var(--serif); font-size: 36px; font-weight: 500; }
.proof-strip span { color: var(--faint); font-size: 11px; }
.principle-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; margin-top: 30px; background: var(--line); border: 1px solid var(--line); }
.principle-grid article { min-height: 230px; padding: 30px; background: var(--void); }
.principle-grid article > span { color: var(--signal); font-size: 10px; }
.principle-grid h2 { font-family: var(--serif); font-size: 30px; font-weight: 500; }
.principle-grid p { color: var(--muted); font-size: 13px; }
.method-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px 60px; }
.method-list article { padding-top: 17px; border-top: 1px solid var(--line); }
.method-list b { font-family: var(--serif); font-size: 25px; font-weight: 500; }
.method-list p { color: var(--muted); font-size: 13px; }
.network-cluster { margin-top: 62px; }
.cluster-title { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; padding-bottom: 13px; border-bottom: 1px solid var(--line); }
.cluster-title span { color: var(--faint); font-size: 10px; }
.authority-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 12px; }
.authority-card { min-height: 250px; padding: 20px; border: 1px solid var(--line); border-radius: 14px; background: var(--night); display: flex; flex-direction: column; justify-content: space-between; }
.authority-card:hover { border-color: var(--line-strong); transform: translateY(-2px); }
.authority-card b, .authority-card small { display: block; }
.authority-card b { margin-top: 13px; font-family: var(--serif); font-size: 24px; font-weight: 500; }
.authority-card small { color: var(--faint); }
.authority-state { color: var(--signal); font-size: 9px; text-transform: uppercase; letter-spacing: .12em; }
.authority-card > p { color: var(--muted); font-size: 12px; }
.authority-card footer { display: flex; gap: 12px; align-items: center; border-top: 1px solid var(--line); padding-top: 12px; color: var(--faint); font-size: 9px; }
.authority-card footer i { margin-left: auto; color: var(--signal); font-style: normal; }
.not-found { min-height: 70vh; max-width: 700px; margin: 0 auto; padding: 120px 24px; }
.not-found h1 { font-size: 64px; }
.not-found p:not(.eyebrow) { color: var(--muted); }

@media (max-width: 920px) {
  .masthead { padding: 0 18px; }
  .masthead nav a:not(.nav-cta) { display: none; }
  .consumer-layout { grid-template-columns: 1fr; }
  .atlas-rail { display: none; }
  .composer-wrap { left: 0; }
  .company-hero { grid-template-columns: 1fr; gap: 20px; min-height: auto; padding: 40px 0 70px; }
  .constellation-card { min-height: 360px; }
  .architecture-band { grid-template-columns: repeat(4, 1fr); }
  .architecture-band i { display: none; }
  .company-grid, .authority-grid { grid-template-columns: repeat(2, 1fr); }
  .developer-panel { grid-template-columns: 1fr; gap: 30px; }
}

@media (max-width: 620px) {
  .masthead { height: 60px; }
  .brand { font-size: 11px; }
  .nav-cta { padding: 7px 10px; font-size: 10px; }
  .ask-workspace { min-height: calc(100vh - 60px); padding: 20px 16px 164px; }
  .welcome { min-height: calc(100vh - 260px); padding: 38px 0; }
  .welcome h1 { font-size: 45px; }
  .welcome-copy { font-size: 15px; }
  .prompt-starters { grid-template-columns: 1fr; margin-top: 25px; }
  .composer-wrap { padding: 16px 12px 10px; }
  .composer { padding: 11px; border-radius: 15px; }
  .composer-note { display: none; }
  .message-user .message-body { max-width: 90%; }
  .answer-head { align-items: flex-start; flex-direction: column; }
  .answer-head h2 { font-size: 25px; }
  .answer-grid { grid-template-columns: 1fr; }
  .footer { align-items: flex-start; flex-direction: column; padding: 25px 18px; }
  .editorial-main { padding: 54px 18px 80px; }
  .company-hero h1, .trust-intro h1 { font-size: 47px; }
  .company-hero > div > p:not(.eyebrow), .trust-intro > p:not(.eyebrow) { font-size: 16px; }
  .architecture-band { grid-template-columns: repeat(2, 1fr); gap: 20px; margin-bottom: 55px; }
  .company-grid, .principle-grid, .method-list, .authority-grid, .proof-strip { grid-template-columns: 1fr; }
  .proof-strip div { border-right: 0; border-bottom: 1px solid var(--line); }
  .developer-panel { padding: 25px; }
  .constellation-card { min-height: 330px; padding: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}