/* CRUX — brutalist/terminal aesthetic */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:         #0A0A0B;
  --bg-elev:    #111114;
  --bg-rule:    #16161A;
  --ink:        #EDEDE8;
  --ink-dim:    #8A8A82;
  --ink-faint:  #4A4A46;
  --rule:       rgba(237,237,232,0.08);
  --rule-2:     rgba(237,237,232,0.16);

  --cyan:       #4ED7E6;
  --amber:      #E8B84A;
  --red:        #E5484D;
  --mint:       #6FE67A;
  --violet:     #9A7CFF;

  --nova:   var(--red);
  --atlas:  var(--cyan);
  --orion:  var(--mint);

  --mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  --sans: 'Space Grotesk', 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

html, body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}
body { overflow-x: hidden; }

/* ─────────────────────────────────────────────
   TERMINAL GRID BACKGROUND
───────────────────────────────────────────── */
.grid-bg {
  position: fixed; inset: 0;
  background-image:
    linear-gradient(to right, rgba(237,237,232,0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(237,237,232,0.04) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
  z-index: 0;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 90%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 40%, transparent 90%);
}
.noise {
  position: fixed; inset: 0; pointer-events: none; z-index: 1; opacity: 0.28;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.92' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
}

/* ─────────────────────────────────────────────
   CHROME: TOP + BOTTOM STATUS BARS
───────────────────────────────────────────── */
.chrome {
  position: fixed; left: 0; right: 0; z-index: 50;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--ink-dim);
  text-transform: uppercase;
  pointer-events: none;
}
.chrome > * { pointer-events: auto; }
.chrome-top    { top: 0; border-bottom: 1px solid var(--rule); background: rgba(10,10,11,0.9); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.chrome-bottom { bottom: 0; border-top: 1px solid var(--rule); background: rgba(10,10,11,0.9); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.chrome-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 10px 24px;
  gap: 24px;
}
.chrome-bottom .chrome-row { padding: 8px 24px; }
.chrome-left, .chrome-right { display: flex; gap: 24px; align-items: center; }
.chrome-right { justify-content: flex-end; }
.chrome em { font-style: normal; color: var(--ink); }
.blink { animation: blink 1.2s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* brand mark */
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  text-decoration: none; color: var(--ink);
}
.brand-mark {
  width: 18px; height: 18px;
  border: 1px solid var(--ink);
  position: relative;
}
.brand-mark::before,
.brand-mark::after {
  content: ''; position: absolute; background: var(--ink);
}
.brand-mark::before { inset: 0; width: 100%; height: 1px; top: 50%; }
.brand-mark::after  { inset: 0; height: 100%; width: 1px; left: 50%; }
.brand-name {
  font-family: var(--mono); font-size: 14px; font-weight: 600;
  letter-spacing: 0.28em; color: var(--ink);
}

.nav-links {
  display: flex; gap: 28px; list-style: none; padding: 0; margin: 0;
}
.nav-links a {
  color: var(--ink-dim); text-decoration: none;
  font-family: var(--mono); font-size: 13px;
  letter-spacing: 0.12em; text-transform: uppercase;
  transition: color 0.15s;
}
.nav-links a:hover { color: var(--ink); }

.pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px;
  border: 1px solid var(--rule-2);
  font-family: var(--mono); font-size: 13px;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
  background: transparent;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.pill:hover { background: rgba(237,237,232,0.06); border-color: var(--ink-dim); }
.pill-solid {
  background: var(--ink); color: var(--bg); border-color: var(--ink);
}
.pill-solid:hover { background: var(--cyan); border-color: var(--cyan); color: var(--bg); }

.dot-sig { width: 6px; height: 6px; background: var(--mint); display: inline-block; }
.dot-sig.live { animation: sig 1.6s ease-in-out infinite; }
@keyframes sig {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* ─────────────────────────────────────────────
   CINEMATIC STAGE
───────────────────────────────────────────── */
.stage {
  position: relative;
  z-index: 2;
}

.scroll-spine {
  position: relative;
  height: 700vh;
}

.viewport {
  position: sticky;
  top: 0;
  height: 100vh;
  width: 100%;
  overflow: hidden;
}

.scene {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 1600px;
  height: 900px;
  transform: translate(-50%, -50%);
  transform-origin: center center;
}

.scene > .layer {
  position: absolute;
  inset: 0;
  transition: opacity 0.4s ease;
}

/* ─────────────────────────────────────────────
   ACT 1 — QUESTION
───────────────────────────────────────────── */
.act-1 {
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  padding: 0 60px;
}
.caret {
  font-family: var(--mono);
  color: var(--cyan);
  font-size: 16px;
  letter-spacing: 0.2em;
  margin-bottom: 32px;
}
.caret::before { content: '> '; }
.query {
  font-family: var(--mono);
  font-size: clamp(32px, 3.4vw, 54px);
  font-weight: 500;
  color: var(--ink);
  text-align: center;
  line-height: 1.25;
  max-width: 1200px;
  letter-spacing: -0.01em;
}
.query .hl-amber { color: var(--amber); }
.query .hl-red   { color: var(--red); }
.query .cursor {
  display: inline-block;
  width: 0.55ch; height: 1em;
  background: var(--ink);
  vertical-align: -0.12em;
  margin-left: 0.1em;
  animation: blink 1s steps(1) infinite;
}
.query-meta {
  margin-top: 56px;
  display: flex; gap: 48px;
  font-family: var(--mono); font-size: 14px; color: var(--ink-dim);
  letter-spacing: 0.1em; text-transform: uppercase;
}
.query-meta span em { color: var(--ink); font-style: normal; }

/* ─────────────────────────────────────────────
   ACT 2 — THREE TRACKS
───────────────────────────────────────────── */
.tracks {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  width: 100%;
  height: 100%;
  padding: 120px 40px 40px;
}
.track {
  border-left: 1px solid var(--rule-2);
  padding: 20px 28px;
  display: flex; flex-direction: column; gap: 14px;
  position: relative;
}
.track:last-child { border-right: 1px solid var(--rule-2); }

.track-head {
  display: flex; align-items: baseline; justify-content: space-between;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--rule);
}
.track-name {
  font-family: var(--mono); font-size: 13px; font-weight: 700;
  letter-spacing: 0.28em; text-transform: uppercase;
}
.track-meta {
  font-family: var(--mono); font-size: 12px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink-faint);
}
.track-nova  .track-name { color: var(--nova); }
.track-atlas .track-name { color: var(--atlas); }
.track-orion .track-name { color: var(--orion); }

.track-nova  { border-top: 2px solid var(--nova);  }
.track-atlas { border-top: 2px solid var(--atlas); }
.track-orion { border-top: 2px solid var(--orion); }

.track-body {
  font-family: var(--mono);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink-dim);
}
.track-body p { margin-bottom: 10px; }
.track-body mark {
  background: rgba(232,184,74,0.16);
  color: var(--amber);
  padding: 1px 3px;
  border-radius: 0;
}
.track-body .agree {
  background: rgba(111,230,122,0.14);
  color: var(--mint);
  padding: 1px 3px;
}
.track-body .conflict {
  background: rgba(229,72,77,0.14);
  color: var(--red);
  padding: 1px 3px;
}

/* ─────────────────────────────────────────────
   ACT 3-4 — CLAIM MAP
───────────────────────────────────────────── */
.claim-map {
  padding: 80px 60px;
  display: flex; flex-direction: column;
  height: 100%;
}
.claim-map-head {
  display: flex; align-items: baseline; justify-content: space-between;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--rule-2);
  margin-bottom: 24px;
}
.claim-map-title {
  font-family: var(--mono); font-size: 14px;
  letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--ink);
}
.claim-map-title::before { content: '[ '; color: var(--ink-dim); }
.claim-map-title::after  { content: ' ]'; color: var(--ink-dim); }
.claim-map-sub {
  font-family: var(--mono); font-size: 13px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink-dim);
}

.claim-map-body {
  display: grid;
  grid-template-columns: 2fr 80px 80px 80px;
  gap: 0;
  flex: 1;
  font-family: var(--mono);
  font-size: 14px;
}
.cm-header { display: contents; }
.cm-header > div {
  padding: 8px 12px;
  border-bottom: 1px solid var(--rule-2);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-dim);
}
.cm-header .ch-m { text-align: center; }

.cm-row { display: contents; }
.cm-row > div {
  padding: 16px 12px;
  border-bottom: 1px solid var(--rule);
  display: flex; align-items: center;
}
.cm-row .cm-claim { color: var(--ink); font-size: 14px; }
.cm-row .cm-num {
  font-family: var(--mono);
  color: var(--ink-faint);
  width: 24px;
  display: inline-block;
}
.cm-row .cm-cell { justify-content: center; }
.cm-mark {
  width: 14px; height: 14px;
  border: 1px solid var(--ink-faint);
  display: inline-block;
  position: relative;
}
.cm-mark.ok   { background: var(--mint); border-color: var(--mint); }
.cm-mark.mid  { background: var(--amber); border-color: var(--amber); }
.cm-mark.no   { background: var(--red); border-color: var(--red); }
.cm-mark.none { background: transparent; }

.cm-summary {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--rule-2);
  padding-top: 20px;
}
.cm-sum-cell {
  padding: 0 20px;
  border-right: 1px solid var(--rule);
}
.cm-sum-cell:last-child { border-right: none; }
.cm-sum-label {
  font-family: var(--mono); font-size: 12px;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ink-dim);
  margin-bottom: 8px;
}
.cm-sum-value {
  font-family: var(--mono);
  font-size: 36px; font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.cm-sum-value.mint  { color: var(--mint); }
.cm-sum-value.amber { color: var(--amber); }
.cm-sum-value.red   { color: var(--red); }

/* ─────────────────────────────────────────────
   OVERLAY TEXT LAYER
───────────────────────────────────────────── */
.overlay {
  position: absolute; inset: 0;
  pointer-events: none;
  display: flex; align-items: center; justify-content: center;
}
.overlay-inner { width: 1600px; height: 900px; position: relative; }

.big-headline {
  position: absolute;
  font-family: var(--sans);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 0.95;
}

.act-label {
  position: fixed;
  left: 24px; top: 50%;
  transform: translateY(-50%) rotate(-90deg);
  transform-origin: left center;
  font-family: var(--mono); font-size: 12px;
  letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--ink-faint);
  pointer-events: none;
  z-index: 40;
  white-space: nowrap;
}

.scroll-progress {
  position: fixed;
  top: 38px; left: 0;
  height: 1px;
  background: var(--cyan);
  z-index: 51;
  transition: width 0.1s linear;
}

/* ─────────────────────────────────────────────
   POST-STAGE SECTIONS
───────────────────────────────────────────── */
.post-stage { position: relative; z-index: 2; padding: 40px 0 0; }
.container { max-width: 1320px; margin: 0 auto; padding: 0 48px; }

.section-rule {
  border-top: 1px solid var(--rule-2);
  padding-top: 16px;
  margin-bottom: 60px;
  display: flex; justify-content: space-between; align-items: baseline;
  font-family: var(--mono); font-size: 13px;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--ink-dim);
}
.section-rule em { font-style: normal; color: var(--ink); }

/* VERTICALS */
.verticals-section { padding: 120px 0; }
.verticals-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--rule-2);
}
.v-card {
  padding: 36px 32px 40px;
  border-right: 1px solid var(--rule-2);
  position: relative;
  display: flex; flex-direction: column;
  min-height: 420px;
}
.v-card:last-child { border-right: none; }
.v-card-num {
  font-family: var(--mono); font-size: 13px;
  letter-spacing: 0.2em; color: var(--ink-faint);
  margin-bottom: 24px;
}
.v-card-status {
  font-family: var(--mono); font-size: 12px;
  letter-spacing: 0.2em; text-transform: uppercase;
  padding: 3px 8px; border: 1px solid;
  align-self: flex-start;
  margin-bottom: 24px;
}
.v-card-status.live { color: var(--mint); border-color: var(--mint); }
.v-card-status.next { color: var(--cyan); border-color: var(--cyan); }
.v-card-status.plan { color: var(--ink-faint); border-color: var(--ink-faint); }
.v-card h3 {
  font-family: var(--sans); font-size: 28px; font-weight: 500;
  letter-spacing: -0.02em; color: var(--ink); margin-bottom: 14px;
}
.v-card p { font-size: 14px; color: var(--ink-dim); line-height: 1.6; margin-bottom: 24px; }
.v-card-list { list-style: none; padding: 0; margin: 0 0 auto; font-family: var(--mono); font-size: 14px; }
.v-card-list li { padding: 8px 0; border-bottom: 1px solid var(--rule); color: var(--ink-dim); }
.v-card-list li::before { content: '— '; color: var(--ink-faint); }
.v-card-source {
  margin-top: 20px; font-family: var(--mono); font-size: 12px;
  letter-spacing: 0.12em; color: var(--ink-faint);
  padding-top: 16px; border-top: 1px solid var(--rule);
}

/* ENGINE */
.engine-section { padding: 120px 0; }
.engine-wrap { display: grid; grid-template-columns: 360px 1fr; gap: 80px; align-items: flex-start; }
.engine-title {
  font-family: var(--sans); font-size: 56px; font-weight: 500;
  line-height: 0.95; letter-spacing: -0.03em; margin-bottom: 18px;
}
.engine-sub { color: var(--ink-dim); font-size: 16px; line-height: 1.6; max-width: 340px; }
.engine-steps { border-top: 1px solid var(--rule-2); }
.engine-step {
  display: grid; grid-template-columns: 80px 1fr auto;
  align-items: baseline; gap: 32px;
  padding: 28px 0; border-bottom: 1px solid var(--rule-2);
  transition: background 0.2s;
}
.engine-step:hover { background: rgba(237,237,232,0.02); }
.engine-step-num { font-family: var(--mono); font-size: 14px; letter-spacing: 0.2em; color: var(--ink-faint); }
.engine-step-title { font-family: var(--sans); font-size: 22px; font-weight: 500; color: var(--ink); margin-bottom: 8px; letter-spacing: -0.01em; }
.engine-step-body { font-family: var(--sans); font-size: 14px; color: var(--ink-dim); line-height: 1.6; max-width: 540px; }
.engine-step-tag { font-family: var(--mono); font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--cyan); white-space: nowrap; }

/* STATS */
.stats-section {
  padding: 100px 0;
  border-top: 1px solid var(--rule-2);
  border-bottom: 1px solid var(--rule-2);
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding: 0 32px; border-right: 1px solid var(--rule); }
.stat:last-child { border-right: none; }
.stat-label { font-family: var(--mono); font-size: 12px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--ink-dim); margin-bottom: 20px; }
.stat-num { font-family: var(--sans); font-size: 72px; font-weight: 500; letter-spacing: -0.04em; line-height: 1; color: var(--ink); margin-bottom: 12px; }
.stat-desc { font-family: var(--mono); font-size: 13px; color: var(--ink-dim); line-height: 1.5; }

/* CTA */
.cta-section { padding: 160px 0; text-align: left; }
.cta-h { font-family: var(--sans); font-weight: 500; font-size: clamp(64px, 7vw, 120px); line-height: 0.92; letter-spacing: -0.04em; margin-bottom: 48px; max-width: 1100px; }
.cta-h .outline { -webkit-text-stroke: 1px var(--ink); color: transparent; }
.cta-sub { font-family: var(--mono); font-size: 16px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-dim); margin-bottom: 40px; }
.cta-buttons { display: flex; gap: 16px; }
.btn-big { padding: 18px 28px; font-family: var(--mono); font-size: 16px; letter-spacing: 0.16em; text-transform: uppercase; text-decoration: none; border: 1px solid var(--ink); color: var(--ink); background: transparent; transition: all 0.15s; display: inline-flex; align-items: center; gap: 12px; }
.btn-big:hover { background: var(--ink); color: var(--bg); }
.btn-big.solid { background: var(--ink); color: var(--bg); }
.btn-big.solid:hover { background: var(--cyan); border-color: var(--cyan); color: var(--bg); }

/* FOOTER */
footer {
  border-top: 1px solid var(--rule-2);
  padding: 48px 0;
  font-family: var(--mono); font-size: 13px;
  letter-spacing: 0.12em; color: var(--ink-dim);
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; }
.footer-col h4 { font-family: var(--mono); font-size: 12px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 16px; font-weight: 500; }
.footer-col a { display: block; color: var(--ink-dim); text-decoration: none; padding: 6px 0; text-transform: none; letter-spacing: 0.04em; font-size: 14px; }
.footer-col a:hover { color: var(--ink); }
.footer-meta { margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--rule); display: flex; justify-content: space-between; font-size: 12px; text-transform: uppercase; letter-spacing: 0.2em; color: var(--ink-faint); }

/* ─────────────────────────────────────────────
   AUTH PAGES
───────────────────────────────────────────── */
.auth-page {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  position: relative; z-index: 2;
}
.auth-frame { display: flex; align-items: center; justify-content: center; padding: 40px 24px; }
.auth-card { width: 100%; max-width: 420px; }
.auth-kicker { font-family: var(--mono); font-size: 13px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--cyan); margin-bottom: 24px; }
.auth-kicker::before { content: '> '; }
.auth-h { font-family: var(--sans); font-weight: 500; font-size: 44px; line-height: 1.02; letter-spacing: -0.03em; color: var(--ink); margin-bottom: 12px; }
.auth-sub { font-family: var(--mono); font-size: 14px; color: var(--ink-dim); letter-spacing: 0.06em; margin-bottom: 40px; line-height: 1.6; }
.auth-form { display: flex; flex-direction: column; gap: 20px; }

.field label { display: block; font-family: var(--mono); font-size: 12px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--ink-dim); margin-bottom: 10px; }
.field input { width: 100%; padding: 14px 0; background: transparent; border: none; border-bottom: 1px solid var(--rule-2); color: var(--ink); font-family: var(--mono); font-size: 16px; outline: none; transition: border-color 0.15s; }
.field input::placeholder { color: var(--ink-faint); }
.field input:focus { border-color: var(--cyan); }

.auth-submit { margin-top: 8px; display: inline-flex; align-items: center; justify-content: space-between; width: 100%; padding: 16px 20px; background: var(--ink); border: 1px solid var(--ink); color: var(--bg); font-family: var(--mono); font-size: 14px; letter-spacing: 0.2em; text-transform: uppercase; cursor: pointer; transition: all 0.15s; }
.auth-submit:hover { background: var(--cyan); border-color: var(--cyan); }
.auth-submit .arrow { font-family: var(--mono); font-size: 16px; }

.divider { display: flex; align-items: center; gap: 16px; font-family: var(--mono); font-size: 12px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--ink-faint); margin: 4px 0; }
.divider::before, .divider::after { content: ''; flex: 1; height: 1px; background: var(--rule-2); }

.oauth-btn { display: flex; align-items: center; justify-content: center; gap: 12px; width: 100%; padding: 14px 20px; background: transparent; border: 1px solid var(--rule-2); color: var(--ink); font-family: var(--mono); font-size: 14px; letter-spacing: 0.18em; text-transform: uppercase; text-decoration: none; cursor: pointer; transition: all 0.15s; }
.oauth-btn:hover { border-color: var(--ink); background: rgba(237,237,232,0.04); }

.auth-footer-link { margin-top: 32px; font-family: var(--mono); font-size: 13px; color: var(--ink-dim); letter-spacing: 0.06em; }
.auth-footer-link a { color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--rule-2); padding-bottom: 2px; transition: border-color 0.15s; }
.auth-footer-link a:hover { border-color: var(--cyan); color: var(--cyan); }

.magic-sent { padding: 24px; border: 1px solid var(--mint); background: rgba(111,230,122,0.05); font-family: var(--mono); font-size: 16px; color: var(--ink); line-height: 1.6; }
.magic-sent strong { color: var(--mint); }

.legal { margin-top: 28px; font-family: var(--mono); font-size: 12px; color: var(--ink-faint); letter-spacing: 0.04em; line-height: 1.6; }
.legal a { color: var(--ink-dim); text-decoration: underline; text-decoration-color: var(--rule-2); }

.auth-ascii { position: fixed; right: 40px; bottom: 60px; font-family: var(--mono); font-size: 12px; line-height: 1.3; color: var(--ink-faint); white-space: pre; pointer-events: none; opacity: 0.7; letter-spacing: 0.04em; }

/* ─────────────────────────────────────────────
   UTILS
───────────────────────────────────────────── */
.hide-until-visible { opacity: 0; }
.fade-in { animation: fadein 0.6s ease forwards; }
@keyframes fadein { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

@media (max-width: 1100px) {
  .scene { transform: translate(-50%, -50%) scale(0.72); }
  .engine-wrap { grid-template-columns: 1fr; gap: 40px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .scene { transform: translate(-50%, -50%) scale(0.48); }
  .verticals-grid { grid-template-columns: 1fr; }
  .v-card { border-right: none; border-bottom: 1px solid var(--rule-2); }
  .v-card:last-child { border-bottom: none; }
  .nav-links { display: none; }
  .stats-grid { grid-template-columns: 1fr; gap: 24px; }
  .stat { border-right: none; border-bottom: 1px solid var(--rule); padding-bottom: 24px; }

  /* ── Font readability ───────────────────────────────────── */
  /* Prevent iOS Safari auto-zoom: inputs must be ≥ 16px */
  input, textarea, select { font-size: 16px; }
  .field input { font-size: 16px; }

  /* Auth pages */
  .auth-h    { font-size: 32px; }
  .auth-sub  { font-size: 16px; line-height: 1.6; }
  .magic-sent { font-size: 16px; }
  .auth-footer-link { font-size: 14px; }
  .field label { font-size: 13px; letter-spacing: 0.14em; }

  /* Landing demo tracks */
  .track-body { font-size: 14px; line-height: 1.7; }
  .cm-row .cm-claim { font-size: 16px; }

  /* Chrome bars: tighten padding */
  .chrome-row { padding: 8px 16px; gap: 12px; }
  .brand-name { font-size: 13px; }
}

/* ─────────────────────────────────────────────
   LIGHT THEME
───────────────────────────────────────────── */
[data-theme="light"] {
  --bg:        #F5F5F0;
  --bg-elev:   #EBEBE5;
  --bg-rule:   #E0E0DA;
  --ink:       #1A1A18;
  --ink-dim:   #484842;
  --ink-faint: #888880;
  --rule:      rgba(0,0,0,0.07);
  --rule-2:    rgba(0,0,0,0.14);
}

[data-theme="light"] body {
  background: var(--bg);
  color: var(--ink);
}

/* Grid background — invert dot color */
[data-theme="light"] .grid-bg {
  background-image:
    linear-gradient(to right, rgba(0,0,0,0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0,0,0,0.05) 1px, transparent 1px);
}

/* Noise — reduce on light */
[data-theme="light"] .noise { opacity: 0.08; }

/* Chrome bars */
[data-theme="light"] .chrome-top,
[data-theme="light"] .chrome-bottom {
  background: rgba(245,245,240,0.95);
  border-color: var(--rule-2);
}

/* Brand */
[data-theme="light"] .brand-mark,
[data-theme="light"] .brand-mark::before,
[data-theme="light"] .brand-mark::after {
  border-color: var(--ink);
  background: var(--ink);
}

/* Pills */
[data-theme="light"] .pill { color: var(--ink); border-color: var(--rule-2); }
[data-theme="light"] .pill:hover { background: rgba(0,0,0,0.05); }
[data-theme="light"] .pill-solid { background: var(--ink); color: var(--bg); }

/* Auth card */
[data-theme="light"] .auth-card { color: var(--ink); }
[data-theme="light"] .field input {
  color: var(--ink);
  border-bottom-color: var(--rule-2);
}
[data-theme="light"] .auth-submit {
  background: var(--ink); color: var(--bg); border-color: var(--ink);
}
[data-theme="light"] .magic-sent {
  background: rgba(111,230,122,0.08);
}

/* App workspaces — sticky bars & panels */
[data-theme="light"] .query-bar,
[data-theme="light"] .study-panel {
  background: rgba(245,245,240,0.97);
}
[data-theme="light"] .app-track,
[data-theme="light"] .app-tracks { border-color: var(--rule-2); }

/* Track bodies */
[data-theme="light"] .app-track .track-body,
[data-theme="light"] .track-body { color: var(--ink-dim); }

/* Claim map */
[data-theme="light"] .claim-map-section { border-color: var(--rule-2); }
[data-theme="light"] .cm-row .cm-claim  { color: var(--ink); }

/* Upload zones */
[data-theme="light"] .upload-zone {
  border-color: var(--rule-2);
  background: transparent;
}
[data-theme="light"] .upload-zone:hover { background: rgba(0,0,0,0.02); }

/* Draft preview — keep white background in light mode (it IS a document) */
[data-theme="light"] .draft-text { background: #fff; }

/* Summary / result boxes */
[data-theme="light"] .summary-box,
[data-theme="light"] .summary-section { border-color: var(--rule-2); }

/* Diagram wrap */
[data-theme="light"] .diagram-wrap { background: #f0f0ec; border-color: var(--rule-2); }