/* Public overview page at algobot.jshlabs.dev/. System fonts, no inline styles (CSP). */
:root {
  color-scheme: dark;
  --bg: #090d12;
  --panel: #101720;
  --panel-2: #0d131a;
  --line: #263444;
  --text: #eef4fa;
  --muted: #8da0b4;
  --cyan: #2de2d0;
  --blue: #5aa9ff;
  --amber: #f2b84b;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a { color: var(--cyan); }
h1, h2, h3 { margin: 0; line-height: 1.12; }
h2 { margin-bottom: 28px; font-size: clamp(28px, 3.4vw, 40px); }
h3 { font-size: 18px; }
p { margin: 0; }

.shell { width: min(1120px, calc(100% - 32px)); margin-inline: auto; }
.muted { color: var(--muted); }

.eyebrow {
  margin-bottom: 12px;
  color: var(--cyan);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px max(16px, calc((100% - 1120px) / 2));
  border-bottom: 1px solid var(--line);
  background: rgba(9, 13, 18, 0.94);
}

.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; text-decoration: none; }

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 6px;
  background: var(--cyan);
  color: var(--bg);
  font-size: 13px;
  font-weight: 800;
}

.site-nav nav { display: flex; flex-wrap: wrap; gap: 20px; }
.site-nav nav a { color: var(--muted); font-size: 14px; text-decoration: none; }
.site-nav nav a:hover { color: var(--text); }

.hero { padding: 96px 0 80px; }
.hero h1 { max-width: 860px; font-size: clamp(38px, 5.6vw, 64px); letter-spacing: -0.02em; }
.lede { max-width: 700px; margin-top: 24px; color: var(--muted); font-size: 19px; }

.status { display: flex; align-items: center; gap: 10px; margin-top: 32px; color: var(--muted); font-size: 14px; }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 4px rgba(45, 226, 208, 0.15); }

.strip { border-block: 1px solid var(--line); background: var(--panel-2); }
.strip-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.strip-grid div { display: grid; gap: 4px; padding: 26px 20px; border-left: 1px solid var(--line); }
.strip-grid div:first-child { border-left: 0; padding-left: 0; }
.strip-grid b { font-size: 22px; }
.strip-grid span { color: var(--muted); font-size: 14px; }

.section { padding: 88px 0; }
.band { border-block: 1px solid var(--line); background: var(--panel-2); }

.pipeline { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; margin: 0; padding: 0; list-style: none; }
.pipeline li { padding: 22px 20px; border: 1px solid var(--line); border-top: 3px solid var(--cyan); border-radius: 8px; background: var(--panel); }
.pipeline li:last-child { border-top-color: var(--blue); }
.pipeline .step { color: var(--cyan); font-size: 13px; font-weight: 700; }
.pipeline h3 { margin: 8px 0 10px; }
.pipeline p { color: var(--muted); font-size: 15px; }

.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.cards article { padding: 28px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); }
.cards h3 { margin: 12px 0 10px; font-size: 24px; }
.cards p { color: var(--muted); }
.cards ul { display: grid; gap: 8px; margin: 20px 0 0; padding-left: 1.2rem; }

.tag { display: inline-block; padding: 3px 10px; border: 1px solid; border-radius: 999px; font-size: 13px; font-weight: 700; }
.tag.live { color: var(--cyan); }
.tag.paper { color: var(--amber); }

.split { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 56px; align-items: start; }
.stack { display: grid; margin: 0; border-top: 1px solid var(--line); }
.stack div { display: grid; grid-template-columns: 120px 1fr; gap: 20px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.stack dt { color: var(--cyan); font-size: 14px; font-weight: 700; }
.stack dd { margin: 0; color: var(--muted); }

.principles { border-top: 1px solid var(--line); }
.principle-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.principle-grid div { padding-top: 16px; border-top: 2px solid var(--line); }
.principle-grid h3 { margin-bottom: 8px; }
.principle-grid p { color: var(--muted); font-size: 15px; }

.private { border-top: 1px solid var(--line); }
.private h2 { margin-bottom: 10px; }
.dash-links { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.dash-links a { padding: 10px 18px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); color: var(--text); font-weight: 600; text-decoration: none; }
.dash-links a:hover, .dash-links a:focus-visible { border-color: var(--cyan); }

footer { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; padding: 28px 0 40px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }

@media (max-width: 900px) {
  .pipeline { grid-template-columns: 1fr 1fr; }
  .principle-grid, .strip-grid { grid-template-columns: 1fr 1fr; }
  .strip-grid div:nth-child(3) { border-left: 0; padding-left: 0; }
  .split, .cards { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .site-nav nav { display: none; }
  .pipeline, .principle-grid, .strip-grid { grid-template-columns: 1fr; }
  .strip-grid div { border-left: 0; padding-left: 0; border-top: 1px solid var(--line); }
  .strip-grid div:first-child { border-top: 0; }
  .stack div { grid-template-columns: 1fr; gap: 4px; }
  .hero { padding: 64px 0 56px; }
}