/* KOFTA CENSUS — instrument-grade design system */
:root {
  --bg: #07090c;
  --bg-2: #0b0e13;
  --panel: #0e1218;
  --panel-2: #121722;
  --line: #1c2430;
  --line-soft: #141b25;
  --ink: #e8edf4;
  --ink-dim: #9aa7b8;
  --ink-faint: #5d6b7e;
  --cyan: #4fd8e8;
  --cyan-dim: #2a8fa0;
  --amber: #f0b54a;
  --green: #58d68d;
  --red: #e8654f;
  --mono: "JetBrains Mono", "SF Mono", ui-monospace, Menlo, monospace;
  --sans: "Inter", -apple-system, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg); color: var(--ink); font-family: var(--sans);
  font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased;
}
body::before {
  content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background:
    radial-gradient(900px 500px at 85% -10%, rgba(79,216,232,.07), transparent 60%),
    radial-gradient(700px 500px at -10% 30%, rgba(240,181,74,.04), transparent 60%);
}
a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }
.mono { font-family: var(--mono); }

/* Nav */
nav.site {
  position: sticky; top: 0; z-index: 50; backdrop-filter: blur(14px);
  background: rgba(7,9,12,.82); border-bottom: 1px solid var(--line-soft);
}
nav.site .wrap { display: flex; align-items: center; gap: 28px; height: 58px; }
.brand { font-family: var(--mono); font-weight: 700; font-size: 15px; letter-spacing: .12em; color: var(--ink); }
.brand b { color: var(--cyan); }
.brand:hover { text-decoration: none; }
nav.site .links { display: flex; gap: 22px; margin-left: auto; }
nav.site .links a { color: var(--ink-dim); font-size: 13.5px; font-family: var(--mono); letter-spacing: .04em; }
nav.site .links a:hover, nav.site .links a.active { color: var(--cyan); text-decoration: none; }
nav.site .cta {
  font-family: var(--mono); font-size: 12.5px; color: var(--bg) !important; background: var(--cyan);
  padding: 7px 14px; border-radius: 6px; font-weight: 600;
}
nav.site .cta:hover { background: #7fe6f2; text-decoration: none; }

/* Hero */
.hero { padding: 96px 0 72px; }
.eyebrow {
  font-family: var(--mono); font-size: 12px; letter-spacing: .22em; color: var(--cyan);
  text-transform: uppercase; margin-bottom: 20px; display: flex; align-items: center; gap: 10px;
}
.eyebrow::before { content: ""; width: 28px; height: 1px; background: var(--cyan-dim); }
h1 {
  font-size: clamp(34px, 5.4vw, 58px); line-height: 1.08; font-weight: 700;
  letter-spacing: -0.02em; max-width: 820px;
}
h1 .dim { color: var(--ink-faint); }
.hero p.sub { margin-top: 22px; font-size: 18px; color: var(--ink-dim); max-width: 640px; }
.hero .actions { margin-top: 36px; display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  font-family: var(--mono); font-size: 14px; padding: 12px 22px; border-radius: 8px;
  border: 1px solid var(--line); color: var(--ink); background: var(--panel);
}
.btn:hover { border-color: var(--cyan-dim); text-decoration: none; }
.btn.primary { background: var(--cyan); color: var(--bg); border-color: var(--cyan); font-weight: 600; }
.btn.primary:hover { background: #7fe6f2; }

/* Stat band */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1px; background: var(--line-soft); border: 1px solid var(--line-soft); border-radius: 12px; overflow: hidden; margin: 56px 0; }
.stat { background: var(--panel); padding: 26px 24px; }
.stat .k { font-family: var(--mono); font-size: 30px; font-weight: 700; color: var(--ink); }
.stat .k em { font-style: normal; font-size: 15px; color: var(--ink-faint); }
.stat .l { font-size: 13px; color: var(--ink-faint); margin-top: 6px; font-family: var(--mono); letter-spacing: .03em; }

/* Panels / sections */
section.block { padding: 64px 0; }
h2 { font-size: 30px; letter-spacing: -0.01em; margin-bottom: 14px; }
h3 { font-size: 19px; margin: 30px 0 10px; }
.lede { color: var(--ink-dim); max-width: 680px; }
.panel { background: var(--panel); border: 1px solid var(--line-soft); border-radius: 12px; padding: 28px; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 18px; margin-top: 28px; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 18px; margin-top: 28px; }
.card { background: var(--panel); border: 1px solid var(--line-soft); border-radius: 12px; padding: 24px; transition: border-color .2s; }
.card:hover { border-color: var(--cyan-dim); }
.card .tag { font-family: var(--mono); font-size: 11px; letter-spacing: .14em; color: var(--cyan); text-transform: uppercase; }
.card h3 { margin: 10px 0 8px; font-size: 17px; }
.card p { color: var(--ink-dim); font-size: 14.5px; }

/* Badges */
.badge { font-family: var(--mono); font-size: 10.5px; letter-spacing: .1em; padding: 3px 8px; border-radius: 4px; text-transform: uppercase; }
.badge.measured { background: rgba(88,214,141,.12); color: var(--green); border: 1px solid rgba(88,214,141,.3); }
.badge.modeled { background: rgba(240,181,74,.1); color: var(--amber); border: 1px solid rgba(240,181,74,.3); }
.badge.sample { background: rgba(154,167,184,.1); color: var(--ink-dim); border: 1px solid var(--line); }

/* Table */
.table-tools { display: flex; gap: 12px; flex-wrap: wrap; margin: 24px 0 14px; }
.table-tools input, .table-tools select {
  background: var(--panel); border: 1px solid var(--line); color: var(--ink);
  font-family: var(--mono); font-size: 13px; padding: 9px 12px; border-radius: 8px;
}
.table-tools input:focus, .table-tools select:focus { outline: none; border-color: var(--cyan-dim); }
.table-scroll { overflow-x: auto; border: 1px solid var(--line-soft); border-radius: 12px; }
table.census { width: 100%; border-collapse: collapse; font-family: var(--mono); font-size: 13px; }
table.census th {
  text-align: left; padding: 13px 16px; background: var(--panel-2); color: var(--ink-faint);
  font-weight: 500; letter-spacing: .06em; font-size: 11px; text-transform: uppercase;
  cursor: pointer; user-select: none; white-space: nowrap;
}
table.census th:hover { color: var(--cyan); }
table.census th .arrow { color: var(--cyan); margin-left: 4px; }
table.census td { padding: 13px 16px; border-top: 1px solid var(--line-soft); white-space: nowrap; }
table.census tbody tr { background: var(--panel); }
table.census tbody tr:hover { background: var(--panel-2); }
table.census td.gpu { color: var(--ink); font-weight: 600; }
table.census td.num { text-align: right; }
.err-good { color: var(--green); } .err-mid { color: var(--amber); } .err-bad { color: var(--red); }

/* Pricing */
.price-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; margin-top: 32px; }
.price-card { background: var(--panel); border: 1px solid var(--line-soft); border-radius: 14px; padding: 30px; display: flex; flex-direction: column; }
.price-card.featured { border-color: var(--cyan-dim); box-shadow: 0 0 40px rgba(79,216,232,.06); }
.price-card .tier { font-family: var(--mono); font-size: 12px; letter-spacing: .18em; color: var(--cyan); text-transform: uppercase; }
.price-card .amount { font-family: var(--mono); font-size: 40px; font-weight: 700; margin: 12px 0 4px; }
.price-card .amount span { font-size: 15px; color: var(--ink-faint); font-weight: 400; }
.price-card ul { list-style: none; margin: 20px 0 26px; flex: 1; }
.price-card li { padding: 8px 0 8px 24px; position: relative; color: var(--ink-dim); font-size: 14.5px; border-bottom: 1px solid var(--line-soft); }
.price-card li::before { content: "▸"; position: absolute; left: 2px; color: var(--cyan); }
.price-card .btn { text-align: center; }

/* Code / docs */
pre {
  background: var(--bg-2); border: 1px solid var(--line-soft); border-radius: 10px;
  padding: 18px 20px; overflow-x: auto; font-family: var(--mono); font-size: 13px; line-height: 1.7; margin: 14px 0;
}
code { font-family: var(--mono); font-size: .92em; color: var(--cyan); }
pre code { color: var(--ink-dim); }
.doc-section { margin-bottom: 44px; }

/* FAQ */
details { background: var(--panel); border: 1px solid var(--line-soft); border-radius: 10px; margin-bottom: 10px; }
details summary { padding: 18px 22px; cursor: pointer; font-weight: 600; font-size: 15.5px; list-style: none; }
details summary::before { content: "+"; color: var(--cyan); margin-right: 12px; font-family: var(--mono); }
details[open] summary::before { content: "–"; }
details .a { padding: 0 22px 20px 46px; color: var(--ink-dim); font-size: 15px; }

/* Footer */
footer.site { border-top: 1px solid var(--line-soft); margin-top: 80px; padding: 40px 0 60px; }
footer.site .cols { display: flex; flex-wrap: wrap; gap: 40px; justify-content: space-between; }
footer.site .col h4 { font-family: var(--mono); font-size: 11px; letter-spacing: .16em; color: var(--ink-faint); text-transform: uppercase; margin-bottom: 12px; }
footer.site .col a { display: block; color: var(--ink-dim); font-size: 14px; padding: 4px 0; }
footer.site .fine { margin-top: 32px; font-family: var(--mono); font-size: 12px; color: var(--ink-faint); }

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }
@media (max-width: 720px) {
  nav.site .links { display: none; }
  .hero { padding: 60px 0 48px; }
}