:root {
  color-scheme: light;
  --ink: #111318;
  --muted: #67707d;
  --paper: #f4efe6;
  --panel: rgba(255, 251, 245, 0.9);
  --line: rgba(17, 19, 24, 0.12);
  --hot: #da5a2f;
  --alert: #b93824;
  --blue: #2151d1;
  --green: #1c7b54;
  --fog: #dbe5ff;
  --shadow: 0 28px 80px rgba(17, 19, 24, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(33, 81, 209, 0.16), transparent 28%),
    radial-gradient(circle at 85% 12%, rgba(218, 90, 47, 0.16), transparent 24%),
    linear-gradient(90deg, rgba(17,19,24,.04) 1px, transparent 1px) 0 0 / 44px 44px,
    linear-gradient(0deg, rgba(17,19,24,.03) 1px, transparent 1px) 0 0 / 44px 44px,
    var(--paper);
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, Georgia, serif;
  line-height: 1.45;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px clamp(18px, 4vw, 44px);
  background: rgba(244, 239, 230, 0.85);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  text-decoration: none;
  text-transform: lowercase;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.brand img { width: 34px; height: 34px; object-fit: contain; }
nav { display: flex; gap: 16px; flex-wrap: wrap; }
nav a {
  color: var(--muted);
  text-decoration: none;
  font: 700 13px/1.2 ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

main { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }

.hero {
  min-height: calc(100vh - 72px);
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.72fr);
  gap: clamp(24px, 5vw, 68px);
  align-items: center;
  padding: clamp(54px, 8vw, 112px) 0;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--blue);
  font: 800 12px/1.2 ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

h1, h2, h3 { margin: 0; line-height: 0.95; }
h1 { font-size: clamp(54px, 9vw, 120px); max-width: 980px; }
h2 { font-size: clamp(30px, 4.8vw, 68px); max-width: 680px; }
h3 { font-size: clamp(24px, 3vw, 34px); }

.lead {
  max-width: 760px;
  margin: 24px 0 0;
  color: #323846;
  font-size: clamp(18px, 2vw, 25px);
}

.cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 30px;
}

.button,
.mode-tab {
  border: 1px solid var(--line);
  border-radius: 999px;
  min-height: 48px;
  padding: 12px 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
  font: 800 14px/1.2 ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0.03em;
}

.button:hover,
.mode-tab:hover { transform: translateY(-2px); box-shadow: 0 14px 36px rgba(17, 19, 24, 0.12); }
.button.primary,
.mode-tab.active { background: var(--ink); color: #fff; border-color: var(--ink); }
.button.secondary { background: rgba(255, 255, 255, 0.72); }

.hero-panel,
.control-card,
.brief-card,
.evidence,
.pipeline,
.next-step {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.hero-panel {
  padding: clamp(22px, 4vw, 40px);
  position: relative;
  overflow: hidden;
}

.hero-panel::before {
  content: "";
  position: absolute;
  inset: 16px;
  border: 1px solid rgba(17, 19, 24, 0.08);
  pointer-events: none;
}

.dial {
  display: grid;
  place-items: center;
  width: min(100%, 280px);
  aspect-ratio: 1;
  margin: 10px auto 22px;
  border-radius: 50%;
  background:
    radial-gradient(circle at center, rgba(255,251,245,0.92) 0 58%, transparent 59%),
    conic-gradient(var(--green) 0 40%, var(--blue) 40% 72%, var(--hot) 72% 100%);
}

.dial span {
  display: block;
  color: var(--muted);
  font: 800 11px/1.2 ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.dial strong { display: block; font-size: clamp(62px, 8vw, 104px); }

.signal-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.signal-grid div {
  min-height: 84px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid var(--line);
}

.signal-grid span {
  display: block;
  color: var(--muted);
  font: 800 11px/1.2 ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.signal-grid b {
  display: block;
  margin-top: 8px;
  font-size: 20px;
}

.panel-note {
  margin: 16px 0 0;
  color: #333847;
  font-size: 16px;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: 18px;
  padding-bottom: 22px;
}

.control-card,
.brief-card,
.evidence,
.pipeline,
.next-step { padding: clamp(18px, 3vw, 34px); }

.section-head { margin-bottom: 18px; }
.mode-switch { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; }

.mode-summary,
.brief-body,
.evidence-grid,
.next-body { display: grid; gap: 14px; }

.status-card,
.brief-panel,
.evidence-card,
.next-card {
  padding: 16px 18px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.76);
}

.status-card.pass { border-left: 6px solid var(--green); }
.status-card.blocked,
.next-card.blocked,
.blocked-card { border-left: 6px solid var(--alert); }

.status-card b,
.brief-panel small,
.evidence-card small,
.next-card small,
.snapshot-label {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font: 800 11px/1.2 ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.snapshot-box {
  margin-top: 16px;
  padding: 16px 18px;
  background: #111318;
  color: #f7f4ee;
  border: 1px solid rgba(255,255,255,0.08);
}

pre {
  margin: 0;
  overflow: auto;
  font: 13px/1.55 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.brief-panel p,
.status-card p,
.next-card p,
.evidence-card p { margin: 0; font-size: 17px; color: #252b36; }

.brief-panel.accent {
  background: linear-gradient(135deg, rgba(33,81,209,0.12), rgba(219,229,255,0.58));
}

.list-panel ul,
.status-card ul {
  margin: 10px 0 0;
  padding-left: 18px;
}

.strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  padding: 18px 0 30px;
}

.strip-card {
  padding: 18px;
  background: #141820;
  color: #f7f4ee;
  border: 1px solid rgba(255,255,255,0.08);
}

.strip-card span {
  display: block;
  color: rgba(247,244,238,0.7);
  font: 800 11px/1.2 ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.strip-card strong { display: block; margin-top: 8px; font-size: 22px; }

.evidence { margin-bottom: 24px; }

.evidence-grid {
  grid-template-columns: repeat(2, 1fr);
}

.evidence-card code {
  display: inline-block;
  margin: 12px 0 10px;
  padding: 6px 8px;
  background: #edf2ff;
  color: #1f3b92;
  font: 700 12px/1.3 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.evidence-card a {
  display: inline-block;
  color: var(--blue);
  font: 800 12px/1.2 ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  text-decoration: none;
}

.pipeline {
  display: grid;
  grid-template-columns: minmax(220px, 0.38fr) minmax(0, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}

.pipeline-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.pipeline-list li {
  padding: 14px 16px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
}

.pipeline-list li[data-status="blocked"] { border-left: 6px solid var(--alert); }
.pipeline-list li[data-status="pass"] { border-left: 6px solid var(--green); }
.pipeline-list strong { display: block; font-size: 20px; margin-bottom: 4px; }
.pipeline-list p { margin: 0; color: #2b313e; }
.pipeline-list span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font: 700 12px/1.3 ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.next-step { margin-bottom: 64px; }

footer {
  border-top: 1px solid var(--line);
  padding: 24px clamp(18px, 4vw, 44px) 34px;
  color: var(--muted);
  font: 700 14px/1.4 ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

@media (max-width: 900px) {
  .topbar { align-items: flex-start; }
  .hero,
  .workspace,
  .pipeline,
  .strip,
  .evidence-grid { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  h1 { font-size: clamp(46px, 14vw, 76px); }
  h2 { font-size: clamp(30px, 10vw, 52px); }
}