:root {
  --bg: #0B1220;
  --surface: #121B2E;
  --surface-2: #17233B;
  --line: #26334D;
  --text: #E5EAF2;
  --muted: #7C8CAD;
  --cyan: #4FD1E8;
  --amber: #F0A63A;
  --amber-dim: rgba(240, 166, 58, 0.15);
  --good: #7FD98A;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'IBM Plex Sans', sans-serif;
  line-height: 1.55;
}
.wrap { max-width: 960px; margin: 0 auto; padding: 0 24px; }

/* sticky top nav, shared across every page */
.topnav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 18, 32, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.topnav-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.topnav-brand {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 19px;
  color: var(--text);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}
.topnav-links { display: flex; gap: 26px; flex-wrap: wrap; }
.topnav-links a {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 15px;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  white-space: nowrap;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
}
.topnav-links a:hover { color: var(--cyan); }
.topnav-links a.active { color: var(--cyan); border-bottom-color: var(--cyan); }
.topnav-links a.nav-cta {
  background: var(--cyan);
  color: #06131A !important;
  padding: 8px 16px;
  border-radius: 5px;
  border-bottom: none !important;
  font-weight: 600;
}
.topnav-links a.nav-cta:hover { background: #6FE0F2; color: #06131A; }
.topnav-links a.nav-cta.active { background: #3AB8CC; }
@media (max-width: 720px) {
  .topnav-links { gap: 16px; }
  .topnav-links a { font-size: 13px; }
}

.hero {
  background-image:
    linear-gradient(rgba(79,209,232,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(79,209,232,0.05) 1px, transparent 1px);
  background-size: 28px 28px;
  padding: 72px 0 56px;
  border-bottom: 1px solid var(--line);
}
.eyebrow {
  font-family: 'IBM Plex Mono', monospace;
  color: var(--cyan);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 40px;
  line-height: 1.15;
  margin: 0 0 18px;
  max-width: 660px;
}
h1 span { color: var(--cyan); }
.sub { font-size: 16.5px; color: var(--muted); max-width: 600px; margin-bottom: 28px; }
.cta-row { display: flex; gap: 14px; flex-wrap: wrap; }
.cta {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
  padding: 11px 18px;
  border-radius: 3px;
  border: 1px solid var(--cyan);
  color: var(--cyan);
  text-decoration: none;
  display: inline-block;
}
.cta.filled { background: var(--cyan); color: #06131A; border-color: var(--cyan); }
.cta.ghost { border-color: var(--line); color: var(--muted); }

.page-header { padding: 44px 0 8px; }
.page-header h1 { font-size: 32px; max-width: 700px; }

section { padding: 48px 0; border-bottom: 1px solid var(--line); }
section.tight { padding: 32px 0; }
h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 22px;
  margin: 0 0 8px;
}
.section-note { color: var(--muted); font-size: 14.5px; margin-bottom: 24px; max-width: 640px; }

.graph-box {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 20px;
  margin-bottom: 8px;
}
.graph-frame {
  position: relative;
  height: 420px;
  overflow: hidden;
  border-radius: 4px;
  background: var(--surface-2);
}
.graph-inner {
  display: inline-block;
  transform-origin: 0 0;
}
.graph-toolbar {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 10px;
}
.graph-toolbar button, .graph-toolbar a {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  color: var(--muted);
  padding: 6px 12px;
  border-radius: 4px;
  cursor: pointer;
  text-decoration: none;
}
.graph-toolbar button:hover, .graph-toolbar a:hover { color: var(--cyan); border-color: var(--cyan); }

.module {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 20px 22px;
  margin-bottom: 14px;
}
.module-head {
  display: flex; justify-content: space-between; align-items: baseline;
  flex-wrap: wrap; gap: 8px; margin-bottom: 12px;
}
.module-name { font-family: 'IBM Plex Mono', monospace; font-size: 14.5px; color: var(--text); }
.conf-label { font-family: 'IBM Plex Mono', monospace; font-size: 12px; color: var(--muted); }
.conf-bar {
  width: 100%; height: 9px; border-radius: 2px; overflow: hidden; display: flex;
  margin-bottom: 14px;
  background: repeating-linear-gradient(45deg, var(--amber-dim) 0 4px, transparent 4px 8px);
}
.conf-fill { background: var(--cyan); height: 100%; }
.fact-row { font-size: 13.5px; color: var(--muted); margin: 4px 0; }
.fact-row b { color: var(--text); font-weight: 500; }
.next-step-row {
  font-size: 13.5px; margin-top: 6px; padding: 8px 12px;
  background: rgba(127, 217, 138, 0.08); border-left: 3px solid var(--good);
  border-radius: 0 4px 4px 0; color: #CFEFD3;
}
.risk {
  background: var(--amber-dim); border-left: 3px solid var(--amber);
  padding: 9px 13px; border-radius: 0 4px 4px 0; font-size: 13px; margin-top: 8px; color: #F3D9AE;
}
code.inline {
  font-family: 'IBM Plex Mono', monospace; background: var(--surface-2);
  padding: 1px 6px; border-radius: 3px; font-size: 12.5px;
}
.answer {
  background: var(--surface); border: 1px solid var(--line); border-left: 3px solid var(--cyan);
  padding: 18px 22px; border-radius: 0 6px 6px 0; margin-bottom: 14px;
}
.answer b { color: var(--cyan); }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 16px;
}
.feature-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px 20px;
}
.feature-card .icon { font-size: 24px; display: block; margin-bottom: 12px; }
.feature-card b { color: var(--cyan); display: block; margin-bottom: 7px; font-size: 15px; font-family: 'Space Grotesk', sans-serif; }
.feature-card p { margin: 0; font-size: 13.5px; color: var(--text); line-height: 1.55; }

.priority-banner {
  background: linear-gradient(135deg, rgba(79,209,232,0.10), rgba(79,209,232,0.02));
  border: 1.5px solid var(--cyan);
  border-radius: 10px;
  padding: 28px 30px;
  margin-bottom: 24px;
}
.priority-banner .label {
  font-family: 'IBM Plex Mono', monospace; font-size: 13px; color: var(--cyan);
  text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 12px; font-weight: 600;
}
.priority-banner .headline {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 16px;
  line-height: 1.4;
}
.priority-banner .headline b { color: var(--cyan); }
.priority-banner .step-row {
  font-size: 15px; margin-top: 10px; padding: 12px 14px;
  background: rgba(255,255,255,0.03); border-radius: 6px;
}
.priority-banner .step-row b { color: var(--text); }
.roadmap-cta {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.roadmap-cta p { margin: 0; font-size: 14px; color: var(--muted); max-width: 480px; }
.roadmap-cta p b { color: var(--text); }

.scan-box { background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 22px; margin-top: 8px; }
.scan-row { display: flex; gap: 10px; flex-wrap: wrap; }
.scan-input {
  flex: 1; min-width: 220px; background: var(--surface-2); border: 1px solid var(--line);
  border-radius: 4px; color: var(--text); font-family: 'IBM Plex Mono', monospace;
  font-size: 14px; padding: 12px 14px;
}
.scan-input::placeholder { color: var(--muted); }
.scan-btn {
  font-family: 'IBM Plex Mono', monospace; font-size: 13px; font-weight: 500;
  padding: 12px 20px; border-radius: 4px; border: none; background: var(--cyan);
  color: #06131A; cursor: pointer;
}
.scan-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.scan-status { font-family: 'IBM Plex Mono', monospace; font-size: 12.5px; color: var(--muted); margin-top: 10px; display: flex; align-items: center; gap: 8px; }
.spinner {
  width: 13px; height: 13px; border-radius: 50%;
  border: 2px solid var(--line); border-top-color: var(--cyan);
  display: inline-block; animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.scan-error { color: #F3A0A0; font-size: 13px; margin-top: 10px; }
.scan-note { font-size: 12px; color: var(--muted); margin-top: 12px; }
.filter-btn {
  font-family: 'IBM Plex Mono', monospace; font-size: 12.5px; background: var(--surface-2); border: 1px solid var(--line);
  color: var(--muted); padding: 8px 16px; border-radius: 16px; cursor: pointer;
}
.filter-btn.active { background: var(--cyan); color: #06131A; border-color: var(--cyan); font-weight: 600; }

.ai-box {
  margin-top: 14px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 16px 18px;
}
.ai-source {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11.5px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 14px;
}
.ai-source span { text-transform: none; letter-spacing: 0; }
.ai-section { margin-bottom: 14px; }
.ai-section:last-child { margin-bottom: 0; }
.ai-label {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 13.5px;
  font-weight: 600;
  margin-bottom: 6px;
}
.ai-label.ai-summary { color: var(--cyan); }
.ai-label.ai-risks { color: var(--amber); }
.ai-label.ai-uncertain { color: var(--muted); }
.ai-para { font-size: 14px; color: var(--text); line-height: 1.6; }
.ai-list { margin: 0; padding-left: 20px; }
.ai-list li { font-size: 13.5px; color: var(--text); line-height: 1.55; margin-bottom: 6px; }
.ai-list li b { color: var(--amber); }
footer { padding: 40px 0 64px; color: var(--muted); font-size: 13px; }
footer a { color: var(--cyan); }

@media (max-width: 600px) {
  h1 { font-size: 28px; }
  .hero { padding: 48px 0 40px; }
}