:root {
  color-scheme: dark;
  --bg: #08111f;
  --panel: #101d30;
  --panel-strong: #172842;
  --text: #e8eef8;
  --muted: #9fb0c7;
  --line: #28405f;
  --accent: #57d3b0;
  --accent-2: #74a7ff;
  --warn: #ffcf70;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 85% -10%, rgba(60, 117, 220, .25), transparent 34rem),
    radial-gradient(circle at 0 25%, rgba(48, 190, 153, .14), transparent 28rem),
    var(--bg);
  color: var(--text);
  line-height: 1.65;
}

a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { width: min(1120px, calc(100% - 2rem)); margin: 0 auto; }

header {
  border-bottom: 1px solid var(--line);
  background: rgba(8, 17, 31, .82);
  backdrop-filter: blur(14px);
  position: sticky;
  top: 0;
  z-index: 2;
}

nav { min-height: 4rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { color: var(--text); font-weight: 750; letter-spacing: .02em; }
.nav-links { display: flex; flex-wrap: wrap; gap: 1rem; }
.nav-links a { color: var(--muted); }

main { padding: 4.5rem 0 5rem; }
.hero { padding: 2rem 0 3rem; max-width: 850px; }
.eyebrow { color: var(--accent); font-size: .82rem; font-weight: 750; letter-spacing: .14em; text-transform: uppercase; }
h1 { font-size: clamp(2.5rem, 7vw, 5.5rem); line-height: 1.02; letter-spacing: -.045em; margin: .7rem 0 1.25rem; }
h2 { font-size: clamp(1.65rem, 4vw, 2.3rem); margin: 3.5rem 0 1rem; letter-spacing: -.025em; }
h3 { margin: 0 0 .5rem; }
.lead { color: var(--muted); font-size: clamp(1.05rem, 2.2vw, 1.35rem); max-width: 760px; }
.actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }
.button { display: inline-block; padding: .7rem 1rem; border: 1px solid var(--line); border-radius: .6rem; font-weight: 700; }
.button.primary { background: var(--accent); border-color: var(--accent); color: #062117; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1rem; }
.card { background: linear-gradient(145deg, rgba(23, 40, 66, .9), rgba(16, 29, 48, .9)); border: 1px solid var(--line); border-radius: .85rem; padding: 1.25rem; }
.card p { color: var(--muted); margin: .4rem 0 0; }
.metric { color: var(--accent); font-size: 1.65rem; font-weight: 800; }

.notice { border-left: 3px solid var(--warn); background: rgba(255, 207, 112, .08); padding: .8rem 1rem; color: var(--muted); }
.flow { display: flex; flex-wrap: wrap; align-items: center; gap: .6rem; margin: 1.5rem 0; }
.flow span { background: var(--panel-strong); border: 1px solid var(--line); border-radius: 999px; padding: .45rem .75rem; }
.flow b { color: var(--accent); }

.filters { display: flex; flex-wrap: wrap; gap: .7rem; margin: 1.25rem 0; }
input[type="search"] { width: min(100%, 30rem); background: var(--panel); color: var(--text); border: 1px solid var(--line); border-radius: .6rem; padding: .75rem .9rem; font: inherit; }
.chip { border: 1px solid var(--line); border-radius: 999px; background: transparent; color: var(--muted); padding: .45rem .75rem; cursor: pointer; }
.chip.active { background: var(--accent); color: #062117; border-color: var(--accent); }

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: .8rem; }
table { width: 100%; border-collapse: collapse; min-width: 760px; background: rgba(16, 29, 48, .72); }
th, td { text-align: left; padding: .8rem .9rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--accent); font-size: .8rem; letter-spacing: .08em; text-transform: uppercase; }
td { color: var(--muted); }
td strong, code { color: var(--text); }
code { background: rgba(116, 167, 255, .1); padding: .12rem .28rem; border-radius: .25rem; }
tr:last-child td { border-bottom: 0; }
.tag { white-space: nowrap; color: var(--accent); font-size: .8rem; font-weight: 700; }

pre.mermaid { background: rgba(16, 29, 48, .72); border: 1px solid var(--line); border-radius: .85rem; padding: 1.25rem; overflow-x: auto; margin: 1.5rem 0; }

.epics { counter-reset: epic 111; }
.epic { display: grid; grid-template-columns: 5rem 1fr; gap: 1rem; padding: 1.2rem 0; border-bottom: 1px solid var(--line); }
.epic::before { counter-increment: epic; content: "EPIC " counter(epic); color: var(--accent); font-size: .75rem; font-weight: 800; letter-spacing: .08em; }
.epic h3, .epic p { margin: 0; }
.epic p { color: var(--muted); }

footer { border-top: 1px solid var(--line); padding: 2rem 0 3rem; color: var(--muted); }

@media (max-width: 640px) {
  main { padding-top: 2rem; }
  nav { align-items: flex-start; padding: .85rem 0; }
  .nav-links { justify-content: flex-end; }
  .epic { grid-template-columns: 1fr; gap: .25rem; }
}