/* ============================================================================
   Celest — mission-control landing. Instrument world.
   Chassis navy · celestial teal→blue signal · hairline grid · authored telemetry
   ========================================================================== */

:root {
  /* chassis */
  --bg:        #081321;
  --bg-2:      #0a1a2f;
  --panel:     #0e2138;
  --panel-2:   #122a44;
  --raised:    #16324f;
  --line:      rgba(126,166,208,.14);
  --line-2:    rgba(126,166,208,.22);

  /* text */
  --text:      #dde8f4;
  --text-2:    #9cb0c8;
  --text-3:    #67809b;

  /* signal */
  --teal:      #40e0cf;
  --teal-2:    #34cadd;
  --blue:      #2f72ed;
  --blue-2:    #5b93ff;

  /* epistemics — the product's own semantics */
  --known:     #40e0cf;
  --unknown:   #7c90a8;
  --unavail:   #e6a743;
  --verified:  #7f9bff;

  /* severity */
  --high:      #f0805f;
  --crit:      #e75a86;
  --amber:     #e6a743;

  /* type */
  --display: 'Cabinet Grotesk', 'General Sans', system-ui, sans-serif;
  --body:    'General Sans', system-ui, -apple-system, sans-serif;
  --mono:    'JetBrains Mono', ui-monospace, monospace;

  /* motion */
  --ease: cubic-bezier(.22, .61, .36, 1);

  --maxw: 1200px;
  --pad:  clamp(20px, 5vw, 64px);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 88px; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  font-size: 17px;
  letter-spacing: -.005em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3 { font-family: var(--display); font-weight: 800; letter-spacing: -.03em; line-height: 1.04; margin: 0; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
strong { font-weight: 600; color: var(--text); }
em { font-style: italic; }
.mono { font-family: var(--mono); font-size: .86em; letter-spacing: 0; }

/* ---------- ambient celestial field ---------- */
.starfield {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(1.4px 1.4px at 12% 18%, rgba(255,255,255,.55), transparent 60%),
    radial-gradient(1.2px 1.2px at 78% 12%, rgba(255,255,255,.42), transparent 60%),
    radial-gradient(1.1px 1.1px at 34% 62%, rgba(180,230,255,.4), transparent 60%),
    radial-gradient(1.3px 1.3px at 88% 48%, rgba(255,255,255,.4), transparent 60%),
    radial-gradient(1px 1px at 58% 82%, rgba(255,255,255,.32), transparent 60%),
    radial-gradient(1.5px 1.5px at 22% 88%, rgba(160,255,235,.35), transparent 60%),
    radial-gradient(1px 1px at 68% 32%, rgba(255,255,255,.3), transparent 60%);
  opacity: .5;
}
.aurora {
  position: fixed; inset: -20% -10% auto -10%; height: 90vh; z-index: 0; pointer-events: none;
  background:
    radial-gradient(60% 55% at 78% 8%, rgba(47,114,237,.20), transparent 70%),
    radial-gradient(55% 55% at 12% 0%, rgba(64,224,207,.14), transparent 70%);
  filter: blur(8px);
}

/* keep content above ambient layers */
.nav, main, .footer, .cta-switch { position: relative; z-index: 2; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .5em;
  font-family: var(--body); font-weight: 600; font-size: 15px;
  padding: 11px 18px; border-radius: 11px; border: 1px solid transparent;
  transition: transform .18s var(--ease), background .18s var(--ease), border-color .18s var(--ease), box-shadow .18s var(--ease);
  white-space: nowrap; cursor: pointer;
}
.btn-lg { padding: 14px 24px; font-size: 16px; border-radius: 13px; }
.btn-primary {
  color: #04121b;
  background: linear-gradient(135deg, var(--teal) 0%, #43c7e6 55%, var(--blue-2) 130%);
  box-shadow: 0 6px 22px rgba(47,114,237,.28), inset 0 1px 0 rgba(255,255,255,.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 34px rgba(47,114,237,.4), inset 0 1px 0 rgba(255,255,255,.45); }
.btn-ghost {
  color: var(--text); background: rgba(126,166,208,.06); border-color: var(--line-2);
}
.btn-ghost:hover { background: rgba(126,166,208,.12); border-color: var(--teal-2); transform: translateY(-2px); }

/* ---------- eyebrow ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--mono); font-size: 12px; font-weight: 500; letter-spacing: .04em;
  text-transform: uppercase; color: var(--teal-2); margin: 0 0 18px;
}
.eyebrow.dark { color: #1c8aa0; }
.eyebrow-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 0 4px rgba(64,224,207,.15); }

/* ============================================================================
   NAV
   ========================================================================== */
.nav {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; gap: 20px;
  padding: 14px var(--pad);
  background: rgba(8,19,33,.72);
  backdrop-filter: blur(16px) saturate(1.3);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .25s var(--ease), background .25s var(--ease);
}
.nav.scrolled { background: rgba(8,19,33,.9); box-shadow: 0 10px 34px -12px rgba(0,0,0,.6); }
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark { width: 30px; height: 30px; border-radius: 9px; flex: none; filter: drop-shadow(0 3px 8px rgba(47,114,237,.4)); }
.brand-word { font-family: var(--display); font-weight: 800; font-size: 20px; letter-spacing: -.03em; }
.brand-tag {
  font-family: var(--mono); font-size: 10px; text-transform: uppercase; letter-spacing: .1em;
  color: var(--text-3); border: 1px solid var(--line); padding: 3px 7px; border-radius: 6px; margin-left: 2px;
}
.nav-links { display: flex; gap: 26px; margin-left: auto; }
.nav-links a { font-size: 15px; color: var(--text-2); transition: color .15s; }
.nav-links a:hover { color: var(--text); }
.nav-actions { display: flex; align-items: center; gap: 14px; }
.est-chip {
  font-family: var(--mono); font-size: 11px; letter-spacing: .02em; color: var(--text-2);
  border: 1px solid var(--line-2); border-radius: 8px; padding: 6px 10px;
  background: rgba(126,166,208,.05);
}

/* ============================================================================
   HERO
   ========================================================================== */
.hero {
  max-width: var(--maxw); margin: 0 auto;
  padding: clamp(30px, 4.5vh, 60px) var(--pad) clamp(40px, 6vh, 72px);
  display: grid; grid-template-columns: 1.06fr minmax(0, 500px); gap: clamp(32px, 4.5vw, 60px);
  align-items: center;
}
.hero-copy { max-width: 640px; }
.hero h1 { font-size: clamp(38px, 4.7vw, 61px); font-weight: 900; margin: 0 0 22px; }
.hero h1 .grad {
  background: linear-gradient(105deg, var(--teal) 0%, #45c9e8 45%, var(--blue-2) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lede { font-size: clamp(17px, 1.5vw, 20px); color: var(--text-2); max-width: 560px; margin-bottom: 30px; }
.lede strong { color: var(--text); }
.lede em { color: var(--teal-2); font-style: normal; }
.hero-cta { display: flex; gap: 13px; flex-wrap: wrap; margin-bottom: 26px; }
.hero-meta {
  display: inline-flex; align-items: center; gap: 9px; flex-wrap: wrap;
  font-size: 13.5px; color: var(--text-2);
  font-family: var(--mono); letter-spacing: -.01em;
}
.hero-meta strong { color: var(--text); font-weight: 600; }
.meta-dot { width: 7px; height: 7px; border-radius: 50%; flex: none; }
.meta-dot.live { background: var(--teal); box-shadow: 0 0 0 3px rgba(64,224,207,.18); }
.meta-dot.road { background: var(--text-3); }
.meta-sep { color: var(--line-2); margin: 0 3px; }

/* ---------- the console instrument ---------- */
.console {
  position: relative;
  background: linear-gradient(180deg, var(--panel) 0%, var(--bg-2) 100%);
  border: 1px solid var(--line-2);
  border-radius: 20px;
  padding: 16px;
  box-shadow: 0 30px 80px -30px rgba(0,0,0,.7), inset 0 1px 0 rgba(255,255,255,.05);
  overflow: hidden;
}
.console::before { /* faint instrument grid */
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 34px 34px; mask-image: radial-gradient(120% 90% at 50% 0%, #000 40%, transparent 78%);
}
.console > * { position: relative; }
.console-chrome { display: flex; align-items: center; justify-content: space-between; padding: 4px 6px 14px; }
.console-brand { display: flex; align-items: center; gap: 9px; }
.cc-mark { width: 26px; height: 26px; border-radius: 8px; }
.console-brand strong { display: block; font-family: var(--display); font-weight: 800; font-size: 14px; line-height: 1; }
.console-brand span { font-size: 11px; color: var(--text-3); }
.source-badge {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--mono); font-size: 11px; padding: 5px 9px; border-radius: 7px;
  background: rgba(230,167,67,.1); color: var(--amber); border: 1px solid rgba(230,167,67,.25);
}
.src-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--amber); animation: blink 2.4s var(--ease) infinite; }

.console-body { display: flex; flex-direction: column; gap: 12px; }
.console-metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.metric {
  background: rgba(126,166,208,.045); border: 1px solid var(--line); border-radius: 11px;
  padding: 11px 12px; display: flex; flex-direction: column; gap: 1px;
}
.metric span { font-size: 10.5px; color: var(--text-3); }
.metric strong { font-family: var(--display); font-weight: 800; font-size: 24px; line-height: 1.1; letter-spacing: -.03em; }
.metric small { font-size: 9.5px; color: var(--text-3); margin-top: 2px; }
.metric strong.teal { color: var(--teal); }
.metric strong.amber { color: var(--amber); }
.metric strong.unknown { font-size: 14px; color: var(--unknown); font-style: italic; font-weight: 600; }
.metric.warn { border-color: rgba(230,167,67,.28); }

.agent-object { background: rgba(126,166,208,.05); border: 1px solid var(--line-2); border-radius: 13px; padding: 13px; }
.ao-head { display: flex; align-items: center; gap: 10px; margin-bottom: 11px; }
.ao-logo {
  width: 30px; height: 30px; border-radius: 9px; flex: none; display: grid; place-items: center;
  font-weight: 700; font-size: 14px; color: #06232b;
  background: linear-gradient(135deg, #7fecdd, #74a7ff);
}
.ao-logo.big { width: 48px; height: 48px; font-size: 22px; border-radius: 13px; margin-bottom: 4px; }
.ao-id { flex: 1; min-width: 0; }
.ao-id strong { display: block; font-size: 14px; line-height: 1.2; }
.ao-id span { font-size: 11px; color: var(--text-3); }
.pill { font-size: 11px; font-weight: 600; padding: 4px 9px; border-radius: 7px; white-space: nowrap; }
.pill.healthy { background: rgba(64,224,207,.12); color: var(--teal); }

.ao-rows { display: grid; gap: 1px; background: var(--line); border-radius: 9px; overflow: hidden; }
.ao-row { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 8px 11px; background: var(--panel); font-size: 12px; }
.ao-row span { color: var(--text-3); }
.ao-row b { font-weight: 600; font-family: var(--mono); font-size: 11px; }
.ao-row b.amber { color: var(--amber); }
.ao-row b.unknown { color: var(--unknown); font-style: italic; }
.ao-row.flag { background: rgba(230,167,67,.07); }

.ao-finding { display: flex; align-items: center; gap: 10px; margin-top: 11px; padding: 9px 11px; border: 1px solid rgba(240,128,95,.28); background: rgba(240,128,95,.07); border-radius: 10px; }
.sev { display: inline-flex; align-items: center; gap: 6px; font-family: var(--mono); font-size: 11px; font-weight: 500; white-space: nowrap; }
.sev i { width: 6px; height: 6px; border-radius: 50%; }
.sev.high { color: var(--high); } .sev.high i { background: var(--high); }
.ao-finding-txt { flex: 1; font-size: 12px; color: var(--text-2); }
.ao-finding-act { font-family: var(--mono); font-size: 11px; color: var(--teal-2); white-space: nowrap; }

.epistemics { display: flex; align-items: center; gap: 13px; flex-wrap: wrap; padding: 2px 4px; }
.ep-title { font-family: var(--mono); font-size: 10px; text-transform: uppercase; letter-spacing: .1em; color: var(--text-3); }
.ep { display: inline-flex; align-items: center; gap: 6px; font-size: 11.5px; color: var(--text-2); }
.ep i { width: 8px; height: 8px; border-radius: 2px; }
.ep.known i { background: var(--known); }
.ep.unknown i { background: var(--unknown); }
.ep.unavail i { background: var(--unavail); }
.ep.verified i { background: var(--verified); }

.lifecycle-rail { display: flex; gap: 4px; padding: 3px; background: var(--bg); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.lr { flex: 1; text-align: center; font-family: var(--mono); font-size: 9.5px; padding: 7px 2px; border-radius: 7px; color: var(--text-3); white-space: nowrap; }
.lr.on { background: rgba(64,224,207,.13); color: var(--teal); }
.lr.next { background: rgba(127,155,255,.13); color: var(--verified); box-shadow: inset 0 0 0 1px rgba(127,155,255,.3); }

.console-demo-tag {
  display: block; text-align: right; margin: 11px 2px 2px; z-index: 3;
  font-family: var(--mono); font-size: 9.5px; letter-spacing: .06em; text-transform: uppercase;
  color: var(--text-3);
}
.console-scan {
  position: absolute; left: 0; right: 0; top: 0; height: 140px; z-index: 1; pointer-events: none;
  background: linear-gradient(180deg, rgba(64,224,207,.1), transparent);
  animation: scan 6s var(--ease) infinite;
}
@keyframes scan { 0%,100% { transform: translateY(-20%); opacity: 0; } 45% { opacity: 1; } 60% { transform: translateY(340px); opacity: 0; } }
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: .35; } }

/* ---------- provider marquee ---------- */
.providers { max-width: var(--maxw); margin: 0 auto; padding: 8px var(--pad) 40px; text-align: center; }
.providers-label { display: block; font-family: var(--mono); font-size: 12px; color: var(--text-3); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 16px; }
.provider-row { display: flex; align-items: center; justify-content: center; gap: 16px; flex-wrap: wrap; font-family: var(--display); font-weight: 700; font-size: clamp(15px, 2vw, 21px); color: var(--text-2); }
.provider-row i { color: var(--teal-2); font-style: normal; opacity: .6; }

/* ============================================================================
   SECTION SCAFFOLD
   ========================================================================== */
section { position: relative; }
.section-head { max-width: 780px; margin: 0 auto clamp(40px, 6vh, 64px); text-align: center; }
.section-head h2 { font-size: clamp(30px, 4.2vw, 50px); }
.section-sub { font-size: clamp(16px, 1.4vw, 19px); color: var(--text-2); margin-top: 20px; }
.section-sub.dark { color: #4a6076; }

.continuity, .problem, .lifecycle, .stack, .whynow, .founder, .cta {
  max-width: var(--maxw); margin: 0 auto; padding: clamp(64px, 10vh, 120px) var(--pad);
}

/* ---------- continuity ---------- */
.continuity-grid { display: grid; grid-template-columns: 1fr auto 1fr; gap: clamp(16px, 3vw, 40px); align-items: stretch; }
.then, .now {
  background: linear-gradient(180deg, var(--panel), var(--bg-2)); border: 1px solid var(--line-2);
  border-radius: 18px; padding: 28px;
}
.now { border-color: rgba(64,224,207,.28); box-shadow: 0 24px 60px -34px rgba(47,114,237,.5); }
.then .tag, .now .tag {
  display: inline-block; font-family: var(--mono); font-size: 11px; letter-spacing: .04em;
  color: var(--text-3); border: 1px solid var(--line); border-radius: 7px; padding: 4px 9px; margin-bottom: 16px;
}
.now .now-tag { color: var(--teal); border-color: rgba(64,224,207,.3); background: rgba(64,224,207,.07); }
.then h3, .now h3 { font-size: 23px; margin-bottom: 12px; }
.now h3 { color: var(--teal); }
.then p, .now p { color: var(--text-2); font-size: 15.5px; }
.continuity-arrow { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; color: var(--teal-2); }
.continuity-arrow svg { width: 96px; }
.continuity-arrow span { font-family: var(--mono); font-size: 11px; color: var(--text-3); text-align: center; line-height: 1.4; }
.pull {
  margin: clamp(40px, 6vh, 64px) auto 0; max-width: 860px; text-align: center;
  font-family: var(--display); font-weight: 700; font-size: clamp(22px, 3vw, 34px); letter-spacing: -.03em;
  line-height: 1.25; color: var(--text); border: 0;
  background: linear-gradient(105deg, var(--teal), var(--blue-2)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}

/* ---------- problem ---------- */
.fragment-map { display: grid; grid-template-columns: 1.3fr auto 1fr; gap: clamp(16px, 3vw, 36px); align-items: center; margin-bottom: 44px; }
.frag-scatter { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.frag { border: 1px solid var(--line); background: rgba(126,166,208,.04); border-radius: 11px; padding: 12px 13px; transition: transform .3s var(--ease), border-color .3s; }
.frag span { display: block; font-weight: 600; font-size: 13.5px; }
.frag small { font-size: 11px; color: var(--text-3); font-family: var(--mono); }
.frag:hover { border-color: var(--line-2); transform: translateY(-2px); }
.frag.f1:hover { transform: translate(-3px,-3px); } .frag.f2:hover { transform: translate(3px,-3px); }
.frag.f5:hover { transform: translate(-3px,3px); } .frag.f6:hover { transform: translate(3px,3px); }
.frag-join { display: flex; flex-direction: column; align-items: center; gap: 8px; color: var(--teal-2); }
.frag-join svg { width: 38px; opacity: .8; }
.frag-join span { font-family: var(--mono); font-size: 11px; color: var(--text-3); }
.frag-canonical {
  display: flex; flex-direction: column; text-align: center; align-items: center;
  border: 1px solid rgba(64,224,207,.3); border-radius: 16px; padding: 22px;
  background: linear-gradient(180deg, rgba(64,224,207,.06), var(--bg-2));
  box-shadow: 0 24px 60px -34px rgba(47,114,237,.5);
}
.frag-canonical strong { font-size: 17px; }
.frag-canonical span { font-size: 12px; color: var(--text-3); }
.frag-canonical .prov { font-family: var(--mono); font-size: 10.5px; color: var(--teal-2); margin-top: 6px; }
.unanswered { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.unanswered li { background: var(--bg-2); padding: 20px; font-size: 14.5px; color: var(--text-2); }
.unanswered li em { color: var(--teal-2); font-style: normal; font-weight: 600; }

/* ---------- lifecycle ---------- */
.pipeline { display: grid; grid-template-columns: repeat(7, 1fr); gap: 8px; margin-bottom: 40px; }
.stage { position: relative; border: 1px solid var(--line); background: rgba(126,166,208,.04); border-radius: 13px; padding: 16px 13px; display: flex; flex-direction: column; gap: 7px; min-height: 172px; }
.stage.done { border-color: rgba(64,224,207,.28); background: linear-gradient(180deg, rgba(64,224,207,.07), transparent); }
.stage-idx { font-family: var(--mono); font-size: 11px; color: var(--text-3); }
.stage.done .stage-idx { color: var(--teal); }
.stage-name { font-family: var(--display); font-weight: 800; font-size: 16px; letter-spacing: -.02em; }
.stage p { font-size: 12px; color: var(--text-3); flex: 1; }
.stage-state { font-family: var(--mono); font-size: 10px; text-transform: uppercase; letter-spacing: .06em; padding: 3px 7px; border-radius: 6px; align-self: flex-start; }
.stage-state.live { color: var(--teal); background: rgba(64,224,207,.12); }
.stage-state.road { color: var(--text-3); background: rgba(126,166,208,.08); }
.principles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.principle { border-left: 2px solid var(--teal); padding: 4px 0 4px 16px; }
.principle strong { display: block; font-family: var(--display); font-weight: 800; font-size: 16px; margin-bottom: 5px; }
.principle span { font-size: 13.5px; color: var(--text-3); }

/* ---------- stack ---------- */
.stack-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; align-items: stretch; }
.layer { position: relative; border: 1px solid var(--line); border-radius: 14px; padding: 20px 16px; background: rgba(126,166,208,.035); display: flex; flex-direction: column; gap: 10px; }
.layer.core { border-color: rgba(64,224,207,.3); background: linear-gradient(180deg, rgba(47,114,237,.09), rgba(64,224,207,.04)); }
.layer-k { font-family: var(--display); font-weight: 800; font-size: 17px; letter-spacing: -.02em; }
.layer.core .layer-k { color: var(--teal); }
.layer p { font-size: 13px; color: var(--text-3); flex: 1; }
.layer-badge { font-family: var(--mono); font-size: 10px; text-transform: uppercase; letter-spacing: .05em; color: var(--verified); border: 1px solid rgba(127,155,255,.3); padding: 3px 7px; border-radius: 6px; align-self: flex-start; }
.stack-foot { max-width: 760px; margin: 34px auto 0; text-align: center; color: var(--text-2); font-size: 15.5px; }
.stack-foot .mono { color: var(--teal-2); }

/* ============================================================================
   PROOF (inverted — a printed ledger)
   ========================================================================== */
.proof {
  background: linear-gradient(180deg, #eef3f7 0%, #e6edf3 100%);
  color: #17293c;
  padding: clamp(64px, 10vh, 120px) 0;
}
.proof .section-head { padding: 0 var(--pad); }
.proof h2 { color: #12283e; }
.proof .eyebrow.dark { color: #1c7f95; }
.proof .eyebrow-dot { background: #1c9bb4; box-shadow: 0 0 0 4px rgba(28,155,180,.15); }
.chip { display: inline-flex; align-items: center; font-family: var(--mono); font-size: 11px; font-weight: 500; padding: 2px 8px; border-radius: 6px; white-space: nowrap; }
.live-chip { color: #0d7a67; background: #cdeee6; }
.exp-chip  { color: #9a6a12; background: #f6e6c4; }
.road-chip { color: #5b6b7d; background: #dde5ec; }
.ledger {
  max-width: 1040px; margin: 0 auto; padding: 0 var(--pad);
  display: flex; flex-direction: column;
}
.ledger-row {
  display: grid; grid-template-columns: 1.2fr 2fr auto; gap: 20px; align-items: center;
  padding: 16px 20px; border-bottom: 1px solid #d3dde6;
}
.ledger-row:first-child { border-radius: 12px 12px 0 0; }
.ledger-row.head { background: #dde6ee; font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: .07em; color: #5b6b7d; }
.ledger-row:not(.head) { background: #f6f9fb; }
.ledger-row:not(.head):nth-child(even) { background: #f0f5f8; }
.ledger-row > span:first-child { font-family: var(--display); font-weight: 700; font-size: 15px; color: #17293c; letter-spacing: -.01em; }
.ledger-row > span:nth-child(2) { font-size: 13.5px; color: #48586a; }
.ledger-row > span:last-child { justify-self: end; }
.proof-foot { max-width: 900px; margin: 30px auto 0; padding: 0 var(--pad); text-align: center; font-size: 15px; color: #48586a; }
.proof-foot em { color: #12283e; font-style: normal; font-weight: 600; }
.proof-foot .mono { color: #0d7a67; }

/* ---------- why now / moats ---------- */
.whynow-lead { max-width: 760px; margin: 0 auto clamp(40px,6vh,60px); text-align: center; }
.whynow-lead h2 { font-size: clamp(28px, 3.6vw, 44px); }
.moats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.moat { border: 1px solid var(--line); border-radius: 14px; padding: 22px 20px; background: rgba(126,166,208,.035); }
.moat-n { font-family: var(--mono); font-size: 12px; color: var(--teal-2); }
.moat strong { display: block; font-family: var(--display); font-weight: 800; font-size: 17px; margin: 8px 0 8px; }
.moat p { font-size: 13.5px; color: var(--text-3); }

/* ---------- founder ---------- */
.founder-card { display: grid; grid-template-columns: auto 1fr; gap: clamp(24px,4vw,48px); align-items: center; border: 1px solid var(--line-2); border-radius: 22px; padding: clamp(28px,4vw,52px); background: linear-gradient(135deg, var(--panel) 0%, var(--bg-2) 70%); box-shadow: 0 30px 80px -40px rgba(0,0,0,.7); }
.founder-mark svg { width: clamp(64px, 8vw, 104px); height: clamp(64px, 8vw, 104px); border-radius: 22px; filter: drop-shadow(0 10px 30px rgba(47,114,237,.5)); }
.founder-body h2 { font-size: clamp(22px, 2.6vw, 32px); margin-bottom: 18px; }
.founder-body p { color: var(--text-2); font-size: 16px; max-width: 640px; }
.founder-body strong { color: var(--teal-2); }

/* ---------- CTA ---------- */
.cta { text-align: center; }
.cta-inner {
  max-width: 800px; margin: 0 auto; padding: clamp(44px,6vw,72px) clamp(28px,5vw,64px);
  border: 1px solid rgba(64,224,207,.28); border-radius: 26px;
  background:
    radial-gradient(120% 130% at 50% -10%, rgba(47,114,237,.22), transparent 60%),
    linear-gradient(180deg, var(--panel), var(--bg-2));
  box-shadow: 0 40px 100px -40px rgba(47,114,237,.6);
}
.cta h2 { font-size: clamp(28px, 4vw, 46px); margin-bottom: 18px; }
.cta-inner > p { font-size: 17px; color: var(--text-2); max-width: 560px; margin: 0 auto 30px; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-bottom: 22px; }
.cta-fine { font-family: var(--mono); font-size: 12px; color: var(--text-3); letter-spacing: -.01em; }

/* ============================================================================
   FOOTER
   ========================================================================== */
.footer {
  max-width: var(--maxw); margin: 0 auto; padding: 44px var(--pad) 56px;
  border-top: 1px solid var(--line);
  display: grid; grid-template-columns: 1.4fr 1fr auto; gap: 28px; align-items: start;
}
.footer-brand { display: flex; align-items: center; gap: 13px; }
.footer-brand .brand-mark { width: 40px; height: 40px; border-radius: 11px; }
.footer-brand strong { display: block; font-family: var(--display); font-weight: 800; font-size: 18px; }
.footer-brand span { font-size: 13px; color: var(--text-3); max-width: 320px; display: block; }
.footer-links { display: flex; flex-wrap: wrap; gap: 10px 22px; }
.footer-links a { font-size: 14px; color: var(--text-2); }
.footer-links a:hover { color: var(--teal-2); }
.footer-meta { display: flex; flex-direction: column; gap: 6px; text-align: right; font-family: var(--mono); font-size: 12px; color: var(--text-3); }

/* ---------- CTA variant preview switch ---------- */
.cta-switch {
  position: fixed; left: 16px; bottom: 16px; z-index: 60;
  display: flex; align-items: center; gap: 4px; padding: 5px;
  background: rgba(8,19,33,.9); backdrop-filter: blur(10px);
  border: 1px solid var(--line-2); border-radius: 12px; box-shadow: 0 12px 30px rgba(0,0,0,.5);
}
.cta-switch-label { font-family: var(--mono); font-size: 10px; text-transform: uppercase; letter-spacing: .1em; color: var(--text-3); padding: 0 6px; }
.cta-switch button { font-family: var(--mono); font-size: 12px; color: var(--text-2); background: transparent; border: 0; padding: 6px 10px; border-radius: 8px; cursor: pointer; transition: .15s; }
.cta-switch button:hover { color: var(--text); }
.cta-switch button.active { background: linear-gradient(135deg, var(--teal), var(--blue-2)); color: #04121b; font-weight: 600; }

/* ============================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 1080px) {
  .hero { grid-template-columns: 1fr; }
  .console { max-width: 560px; }
  .unanswered, .moats { grid-template-columns: repeat(2, 1fr); }
  .pipeline { grid-template-columns: repeat(4, 1fr); }
  .stack-grid { grid-template-columns: repeat(3, 1fr); }
  .principles { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  .nav-links { display: none; }
  .continuity-grid { grid-template-columns: 1fr; }
  .continuity-arrow { transform: rotate(90deg); margin: 4px 0; }
  .continuity-arrow span { transform: rotate(-90deg); white-space: nowrap; }
  .fragment-map { grid-template-columns: 1fr; }
  .frag-join { transform: rotate(90deg); }
  .frag-join span { transform: rotate(-90deg); }
  .console-metrics { grid-template-columns: repeat(2, 1fr); }
  .pipeline { grid-template-columns: repeat(2, 1fr); }
  .stack-grid { grid-template-columns: repeat(2, 1fr); }
  .footer { grid-template-columns: 1fr; }
  .footer-meta { text-align: left; }
  .ledger-row { grid-template-columns: 1fr auto; gap: 6px 14px; }
  .ledger-row > span:nth-child(2) { grid-column: 1 / -1; order: 3; }
  .ledger-row.head > span:nth-child(2) { display: none; }
}
@media (max-width: 520px) {
  body { font-size: 16px; }
  .est-chip { display: none; }
  .unanswered, .moats, .pipeline, .stack-grid, .principles, .console-metrics { grid-template-columns: 1fr; }
  .hero h1 { font-size: 38px; }
  .cta-switch-label { display: none; }
  .brand-tag { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; scroll-behavior: auto !important; transition: none !important; }
}