/* Blazar site design system.
   Dark-first palette sampled from the BLAZAR_Banner artwork: deep-space
   backgrounds, violet #7020f0 primary, light text. Light mode mirrors the
   tokens under prefers-color-scheme: light. No webfonts, no frameworks. */

:root {
  --violet: #7020f0;
  --violet-strong: #8b46ff;
  --violet-soft: rgba(112, 32, 240, 0.16);
  --cyan: #56d4dd;

  --bg: #0a0e16;
  --bg-raised: #10151f;
  --bg-overlay: #151b28;
  --border: #232b3b;
  --border-strong: #33405a;

  --ink: #e8edf5;
  --ink-soft: #aab4c5;
  --ink-dim: #78849a;

  --green: #3fb950;
  --amber: #d29922;
  --blue: #a5d6ff;
  --red: #f85149;

  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --radius: 12px;
  --radius-sm: 8px;
  --maxw: 1160px;
  --shadow-card: 0 1px 0 rgba(255, 255, 255, 0.03) inset, 0 12px 32px rgba(0, 0, 0, 0.35);
}

html[data-theme="light"] {
  --bg: #fbfbfd;
  --bg-raised: #ffffff;
  --bg-overlay: #f3f1fa;
  --border: #e3e0ec;
  --border-strong: #c9c4dc;
  --ink: #191527;
  --ink-soft: #4d4663;
  --ink-dim: #6f6885;
  --violet: #5b18c9;
  --violet-soft: rgba(112, 32, 240, 0.1);
  --shadow-card: 0 1px 2px rgba(25, 21, 39, 0.06), 0 12px 32px rgba(25, 21, 39, 0.08);
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--violet-strong); text-decoration: none; }
a:hover { text-decoration: underline; }

:focus-visible {
  outline: 2px solid var(--violet-strong);
  outline-offset: 2px;
  border-radius: 4px;
}

code, pre, kbd { font-family: var(--mono); font-size: 0.92em; }

/* ---------- top navigation ---------- */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink);
}
.brand:hover { text-decoration: none; color: var(--ink); }
.brand-mark { width: 26px; height: 26px; }
.brand-mark path { fill: var(--violet-strong); }
.brand-mark circle { fill: none; stroke: var(--ink-soft); stroke-width: 1.6; }

.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  color: var(--ink-soft);
  font-size: 14.5px;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
}
.nav-links a:hover { color: var(--ink); background: var(--bg-overlay); text-decoration: none; }
.nav-github { display: inline-flex; align-items: center; gap: 7px; }

@media (max-width: 720px) {
  .nav-links a { padding: 8px 7px; font-size: 13.5px; }
  .nav-github span, .nav-search { display: none; }
  .nav-github { padding: 8px; }
}

/* ---------- hero (landing) ---------- */

.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(1100px 520px at 18% -12%, rgba(112, 32, 240, 0.22), transparent 60%),
    radial-gradient(800px 420px at 95% 8%, rgba(86, 212, 221, 0.10), transparent 55%),
    var(--bg);
}

.hero-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 76px 24px 64px;
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
  gap: 48px;
  align-items: center;
}
@media (max-width: 940px) {
  .hero-inner { grid-template-columns: 1fr; padding-top: 56px; padding-bottom: 48px; }
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--violet-strong);
  background: var(--violet-soft);
  border: 1px solid color-mix(in srgb, var(--violet) 38%, transparent);
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 22px;
}

.hero h1 {
  margin: 0 0 18px;
  font-size: clamp(34px, 5.2vw, 54px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  font-weight: 800;
}
.hero h1 .grad {
  background: linear-gradient(92deg, var(--violet-strong) 10%, var(--cyan) 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-lede {
  margin: 0 0 26px;
  font-size: clamp(16.5px, 2vw, 19px);
  line-height: 1.6;
  color: var(--ink-soft);
  max-width: 54ch;
}

.hero-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 30px; }
.chip {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--ink-soft);
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4.5px 12px;
}
.chip b { color: var(--ink); font-weight: 600; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-weight: 600;
  font-size: 15px;
  padding: 11px 20px;
  border-radius: 10px;
  border: 1px solid transparent;
  transition: transform 120ms ease, box-shadow 120ms ease, background 120ms ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--violet) 0%, #5835d1 100%);
  box-shadow: 0 8px 22px rgba(112, 32, 240, 0.35);
}
.btn-primary:hover { box-shadow: 0 10px 28px rgba(112, 32, 240, 0.5); }
.btn-ghost {
  color: var(--ink);
  background: var(--bg-raised);
  border-color: var(--border-strong);
}
.btn-ghost:hover { background: var(--bg-overlay); }
.btn .carrot { opacity: 0.7; }

.hero-meta { margin-top: 18px; font-size: 13.5px; color: var(--ink-dim); font-family: var(--mono); }

.hero-art {
  position: relative;
  border-radius: var(--radius);
  border: 1px solid var(--border-strong);
  background: var(--bg-raised);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.hero-art img { display: block; width: 100%; height: auto; }
.hero-art figcaption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 26px 16px 10px;
  font-size: 12.5px;
  color: #cdd6e3;
  background: linear-gradient(transparent, rgba(4, 6, 10, 0.88));
  font-family: var(--mono);
}

/* ---------- landing sections ---------- */

.section { max-width: var(--maxw); margin: 0 auto; padding: 64px 24px; }
.section-head { margin-bottom: 34px; }
.section-head h2 {
  margin: 0 0 8px;
  font-size: clamp(24px, 3.2vw, 32px);
  letter-spacing: -0.015em;
  font-weight: 750;
}
.section-head p { margin: 0; color: var(--ink-soft); max-width: 70ch; }

.grid-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
@media (max-width: 940px) { .grid-cards { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .grid-cards { grid-template-columns: 1fr; } }

.card {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow-card);
}
.card h3 { margin: 12px 0 8px; font-size: 17px; font-weight: 700; letter-spacing: -0.01em; }
.card p { margin: 0; font-size: 14.5px; color: var(--ink-soft); }
.card .glyph {
  width: 38px; height: 38px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: var(--violet-soft);
  border: 1px solid color-mix(in srgb, var(--violet) 30%, transparent);
}
.card .glyph svg { width: 20px; height: 20px; stroke: var(--violet-strong); fill: none; stroke-width: 1.8; }

.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 820px) { .stat-row { grid-template-columns: 1fr; } }
/* benchmarks page uses a wider grid for its six headline cards */
.stat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin: 26px 0; }
@media (max-width: 820px) { .stat-grid { grid-template-columns: 1fr; } }
.bench-chart {
  display: block;
  width: 100%;
  height: auto;
  margin: 10px 0 22px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px;
}
/* landing architecture diagram frame */
.arch-figure {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  overflow-x: auto;
}
.arch-figure svg { display: block; min-width: 640px; }
.stat {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  text-align: left;
}
.stat .n { font-family: var(--mono); font-size: clamp(26px, 3.4vw, 34px); font-weight: 700; color: var(--violet-strong); letter-spacing: -0.02em; }
.stat .l { font-size: 14px; color: var(--ink-soft); margin-top: 6px; }
.stat .src { font-size: 12px; color: var(--ink-dim); margin-top: 10px; font-family: var(--mono); }

.engine-strip { display: flex; flex-wrap: wrap; gap: 10px; }
.engine-pill {
  display: flex; flex-direction: column; gap: 3px;
  border: 1px solid var(--border);
  background: var(--bg-raised);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  min-width: 150px;
  flex: 1 1 150px;
}
.engine-pill b { font-family: var(--mono); font-size: 14.5px; font-weight: 600; color: var(--ink); }
.engine-pill span { font-size: 12.5px; color: var(--ink-dim); }

/* terminal window used on the landing page */

.term {
  border-radius: var(--radius);
  border: 1px solid var(--border-strong);
  background: #0d1117;
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.term-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 10px 14px;
  background: #161b22;
  border-bottom: 1px solid #30363d;
}
.term-bar i { width: 11px; height: 11px; border-radius: 50%; }
.term-bar i:nth-child(1) { background: #ff5f57; }
.term-bar i:nth-child(2) { background: #febc2e; }
.term-bar i:nth-child(3) { background: #28c840; }
.term-title { margin-left: auto; margin-right: auto; font-family: var(--mono); font-size: 11.5px; color: #8b949e; }
.term-body {
  margin: 0;
  padding: 18px 20px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.75;
  color: #e6edf3;
}
.term-body .p { color: #3fb950; }
.term-body .c { color: #8b949e; }
.term-body .o { color: #a5d6ff; }

/* ---------- docs ---------- */

.doc-shell {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 40px 24px 72px;
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 48px;
}
@media (max-width: 940px) {
  .doc-shell { grid-template-columns: 1fr; gap: 24px; padding-top: 24px; }
  .doc-side { border-bottom: 1px solid var(--border); padding-bottom: 18px; }
  .doc-side-sticky { position: static; }
}

.doc-side-sticky { position: sticky; top: 84px; max-height: calc(100vh - 108px); overflow-y: auto; padding-right: 6px; }
.doc-side-home { display: block; font-size: 13px; color: var(--ink-dim); margin-bottom: 14px; font-family: var(--mono); }
.doc-side-section {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin: 18px 0 6px;
}
.doc-side-link {
  display: block;
  padding: 5.5px 10px;
  border-radius: 7px;
  font-size: 13.8px;
  color: var(--ink-soft);
}
.doc-side-link:hover { background: var(--bg-overlay); color: var(--ink); text-decoration: none; }
.doc-side-link.active {
  color: var(--ink);
  background: var(--violet-soft);
  border-left: 2px solid var(--violet-strong);
  padding-left: 8px;
  font-weight: 600;
}

.doc-header { margin-bottom: 28px; padding-bottom: 22px; border-bottom: 1px solid var(--border); }
.doc-eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--violet-strong);
  margin-bottom: 8px;
}
.doc-body h1 { margin: 0; font-size: clamp(27px, 3.6vw, 36px); letter-spacing: -0.02em; line-height: 1.15; }
.doc-lede { margin: 12px 0 0; color: var(--ink-soft); font-size: 16.5px; max-width: 72ch; }

.doc-pager {
  margin-top: 48px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  gap: 14px;
}
.pager-prev, .pager-next {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-raised);
  max-width: 46%;
}
.pager-next { margin-left: auto; text-align: right; }
.pager-prev:hover, .pager-next:hover { border-color: var(--violet-strong); text-decoration: none; }
.pager-dir { font-size: 11.5px; color: var(--ink-dim); font-family: var(--mono); letter-spacing: 0.07em; text-transform: uppercase; }
.pager-title { font-size: 14.5px; color: var(--ink); font-weight: 600; }

.doc-edit { display: inline-block; margin-top: 20px; font-size: 13px; color: var(--ink-dim); }
.doc-edit:hover { color: var(--violet-strong); }

/* markdown body */

.doc-body h2 { margin: 44px 0 14px; font-size: 24px; letter-spacing: -0.015em; padding-bottom: 8px; border-bottom: 1px solid var(--border); }
.doc-body h3 { margin: 32px 0 10px; font-size: 18.5px; }
.doc-body h4 { margin: 26px 0 8px; font-size: 16px; }
.doc-body p { margin: 0 0 14px; max-width: 86ch; }
.doc-body ul, .doc-body ol { margin: 0 0 14px; padding-left: 26px; max-width: 84ch; }
.doc-body li { margin: 4px 0; }
.doc-body blockquote {
  margin: 16px 0;
  padding: 10px 18px;
  border-left: 3px solid var(--violet-strong);
  background: var(--violet-soft);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--ink-soft);
}
.doc-body hr { border: 0; border-top: 1px solid var(--border); margin: 34px 0; }

.doc-body code {
  background: var(--bg-overlay);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 1.5px 6px;
  font-size: 0.875em;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.doc-body pre {
  background: #0d1117;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  overflow-x: auto;
  line-height: 1.6;
  color: #e6edf3;
  font-size: 13px;
}
.doc-body pre code { background: none; border: 0; padding: 0; font-size: inherit; color: inherit; }

/* rouge github-dark token colors */
.highlight .c, .highlight .cm, .highlight .c1, .highlight .cs { color: #8b949e; }
.highlight .k, .highlight .kn, .highlight .ow { color: #ff7b72; }
.highlight .s, .highlight .s1, .highlight .s2, .highlight .se { color: #a5d6ff; }
.highlight .n, .highlight .na, .highlight .nf { color: #d2a8ff; }
.highlight .mi, .highlight .mf, .highlight .mo { color: #79c0ff; }
.highlight .nt { color: #7ee787; }
.highlight .gd { color: #ffa198; background: rgba(248, 81, 73, 0.15); }
.highlight .gi { color: #7ee787; background: rgba(63, 185, 80, 0.15); }

.doc-body table {
  border-collapse: collapse;
  width: 100%;
  margin: 18px 0 22px;
  font-size: 14px;
  display: block;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.doc-body th, .doc-body td {
  border-bottom: 1px solid var(--border);
  padding: 9px 14px;
  text-align: left;
  vertical-align: top;
}
.doc-body th {
    background: var(--bg-overlay);
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--ink-soft);
    white-space: nowrap;
}
.doc-body tr:last-child td { border-bottom: 0; }
.doc-body td code { white-space: nowrap; }

.doc-body img { max-width: 100%; height: auto; border-radius: var(--radius-sm); }
.doc-body details { border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 10px 16px; margin: 14px 0; background: var(--bg-raised); }
.doc-body summary { cursor: pointer; font-weight: 600; }

/* ---------- search page ---------- */

.search-wrap { max-width: 760px; margin: 0 auto; padding: 72px 24px 96px; }
.search-wrap h1 { margin: 0 0 6px; font-size: 30px; letter-spacing: -0.02em; }
.search-sub { color: var(--ink-soft); margin: 0 0 26px; }
.search-box { position: relative; margin-bottom: 10px; }
.search-box input {
  width: 100%;
  padding: 14px 16px 14px 44px;
  font-size: 16px;
  font-family: var(--mono);
  color: var(--ink);
  background: var(--bg-raised);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
}
.search-box input:focus { outline: 2px solid var(--violet-strong); outline-offset: 1px; }
.search-box svg {
  position: absolute; left: 14px; top: 50%; transform: translateY(-50%);
  width: 18px; height: 18px; stroke: var(--ink-dim); fill: none; stroke-width: 1.8;
}
.search-hint { font-size: 12.5px; color: var(--ink-dim); font-family: var(--mono); margin-bottom: 26px; }
.search-result { padding: 14px 0; border-bottom: 1px solid var(--border); }
.search-result a { font-size: 16px; font-weight: 650; color: var(--ink); }
.search-result a:hover { color: var(--violet-strong); }
.search-result .url { font-family: var(--mono); font-size: 12px; color: var(--ink-dim); margin-left: 8px; }
.search-result p { margin: 4px 0 0; font-size: 13.8px; color: var(--ink-soft); }
.search-result mark { background: var(--violet-soft); color: var(--violet-strong); padding: 0 2px; border-radius: 3px; }

/* ---------- footer ---------- */

.site-footer { border-top: 1px solid var(--border); background: var(--bg-raised); }
.footer-inner { max-width: var(--maxw); margin: 0 auto; padding: 40px 24px 46px; }
.footer-brand { margin-bottom: 18px; }
.footer-name { font-family: var(--mono); font-weight: 700; font-size: 17px; margin-right: 12px; }
.footer-tag { color: var(--ink-soft); font-size: 14px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 4px 22px; margin-bottom: 22px; }
.footer-links a { color: var(--ink-soft); font-size: 14px; }
.footer-links a:hover { color: var(--ink); }
.footer-meta { font-size: 12.5px; color: var(--ink-dim); max-width: 80ch; line-height: 1.7; }

/* ---------- misc ---------- */

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--violet); color: #fff; padding: 8px 16px; border-radius: 0 0 8px 0; z-index: 100;
}
.skip-link:focus { left: 0; }

.err-404 { text-align: center; padding: 110px 24px 140px; }
.err-404 h1 { font-size: clamp(60px, 12vw, 120px); margin: 0; font-family: var(--mono); background: linear-gradient(92deg, var(--violet-strong), var(--cyan)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.err-404 p { color: var(--ink-soft); margin: 10px 0 26px; }