/* CritOS site, draft v2 — one stylesheet, system fonts only: nothing is fetched from a third party. */

:root {
  --bg: #0a0d12;
  --bg-alt: #0d1117;
  --bg-raised: #131922;
  --bg-term: #0c1016;
  --line: #212a36;
  --line-strong: #2d3848;
  --text: #e6eaf0;
  --muted: #98a3b3;
  --dim: #6b7688;
  --accent: #ff5a4f;
  --accent-ink: #1c0402;
  --warn: #f0a868;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "Cascadia Code", "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --radius: 12px;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body { margin: 0; background: var(--bg); color: var(--text); font: 17px/1.65 var(--sans); }

a { color: var(--accent); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

code {
  font-family: var(--mono); font-size: 0.88em;
  background: var(--bg-term); border: 1px solid var(--line); border-radius: 5px; padding: 0.05em 0.35em;
}

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 780px; }
.center { text-align: center; }

.skip { position: absolute; left: -9999px; top: 0; background: var(--accent); color: var(--accent-ink); padding: 8px 14px; font-weight: 600; z-index: 10; }
.skip:focus { left: 16px; top: 12px; }

/* Top bar */
.bar { position: sticky; top: 0; z-index: 5; background: rgba(10, 13, 18, 0.92); border-bottom: 1px solid var(--line); }
@supports (backdrop-filter: blur(8px)) { .bar { background: rgba(10, 13, 18, 0.72); backdrop-filter: blur(10px); } }
.bar-inner { display: flex; align-items: center; justify-content: space-between; height: 62px; }
.brand { color: var(--text); text-decoration: none; font-family: var(--mono); font-weight: 700; font-size: 1.05rem; }
.brand-mark { color: var(--accent); margin-right: 0.45em; }
.bar nav ul { list-style: none; display: flex; align-items: center; gap: 24px; margin: 0; padding: 0; }
.bar nav a { color: var(--muted); text-decoration: none; font-size: 0.95rem; }
.bar nav a:hover { color: var(--text); }
.bar nav .nav-gh { color: var(--text); border: 1px solid var(--line-strong); border-radius: 8px; padding: 6px 12px; }
.bar nav .nav-gh:hover { border-color: var(--muted); }

/* Hero */
.hero {
  padding: 88px 0 80px;
  background:
    radial-gradient(800px 420px at 85% 10%, rgba(255, 90, 79, 0.09), transparent 70%),
    radial-gradient(700px 360px at 0% 0%, rgba(255, 90, 79, 0.06), transparent 70%),
    var(--bg);
}
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 0.8rem; color: var(--muted);
  border: 1px solid var(--line); border-radius: 999px; padding: 5px 12px; margin: 0 0 22px;
  background: var(--bg-raised);
}
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 10px var(--accent); }
h1 { font-size: clamp(2.3rem, 5vw, 3.9rem); line-height: 1.06; letter-spacing: -0.025em; margin: 0 0 22px; }
.lede { font-size: 1.18rem; color: var(--muted); max-width: 54ch; margin: 0 0 32px; }
.lede strong { color: var(--text); }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 22px; }
.cta-center { justify-content: center; }
.btn {
  display: inline-block; padding: 12px 22px; border: 1px solid var(--line-strong); border-radius: 10px;
  color: var(--text); text-decoration: none; font-weight: 600; background: var(--bg-raised);
}
.btn:hover { border-color: var(--muted); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { border-color: var(--text); }
.req-line { font-family: var(--mono); font-size: 0.82rem; color: var(--dim); margin: 0; }

/* Terminal window */
.term {
  margin: 0; background: var(--bg-term); border: 1px solid var(--line-strong); border-radius: var(--radius);
  overflow: hidden; box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}
.term-head {
  display: flex; align-items: center; gap: 7px; padding: 10px 14px;
  border-bottom: 1px solid var(--line); background: var(--bg-raised);
}
.term-head span { width: 11px; height: 11px; border-radius: 50%; background: var(--line-strong); }
.term-head em { font-style: normal; font-family: var(--mono); font-size: 0.78rem; color: var(--dim); margin-left: 8px; }
.term-sub { border-top: 1px solid var(--line); }
.term-sub em { margin-left: 0; }
.term-body {
  margin: 0; padding: 16px 18px; overflow-x: auto;
  font-family: var(--mono); font-size: 0.86rem; line-height: 1.7; color: var(--text);
}
.term-body code { background: none; border: 0; padding: 0; font-size: 1em; }
.prompt { color: var(--accent); user-select: none; }
.tree i { font-style: normal; color: var(--dim); }

/* Band — where other pages put customer logos */
.band { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--bg-alt); }
.band-list {
  list-style: none; margin: 0; padding: 22px 0;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
  font-size: 0.93rem; color: var(--muted);
}
.band-list li { padding-left: 16px; border-left: 2px solid var(--accent); }
.band-list strong { color: var(--text); display: block; }

/* Sections */
.section { padding: 96px 0; }
.alt { background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.kicker { font-family: var(--mono); font-size: 0.82rem; color: var(--accent); letter-spacing: 0.08em; text-transform: uppercase; margin: 0 0 12px; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); line-height: 1.15; letter-spacing: -0.015em; margin: 0 0 32px; }
h3 { font-size: 1.08rem; margin: 0 0 8px; }
.section p { margin: 0 0 16px; }
.big { font-size: 1.15rem; color: var(--muted); }
.accent-text { color: var(--text); font-weight: 600; }

/* The six points */
.points { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.points li {
  background: var(--bg-raised); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px 22px; transition: border-color 0.15s;
}
.points li:hover { border-color: var(--line-strong); }
.tag {
  display: inline-block; font-family: var(--mono); font-size: 0.74rem; color: var(--accent);
  background: rgba(255, 90, 79, 0.08); border: 1px solid rgba(255, 90, 79, 0.22);
  border-radius: 6px; padding: 2px 8px; margin-bottom: 14px;
}
.points p { color: var(--muted); margin: 0; font-size: 0.96rem; }
.aside { margin-top: 28px !important; font-size: 1.05rem; }

/* A day with it */
.day { list-style: none; margin: 0; padding: 0; counter-reset: day; position: relative; }
.day::before { content: ""; position: absolute; left: 15px; top: 8px; bottom: 8px; width: 1px; background: var(--line-strong); }
.day li {
  counter-increment: day; position: relative; padding: 0 0 26px 56px;
  display: grid; grid-template-columns: 230px 1fr; gap: 24px; align-items: baseline;
}
.day li::before {
  content: counter(day); position: absolute; left: 0; top: 0;
  width: 31px; height: 31px; border-radius: 50%; display: grid; place-items: center;
  background: var(--bg); border: 1px solid var(--accent); color: var(--accent);
  font-family: var(--mono); font-size: 0.85rem;
}
.cmd { font-family: var(--mono); font-size: 0.92rem; justify-self: start; }
.cmd-plain { color: var(--dim); }
.day p { margin: 0; color: var(--muted); }
.day strong { color: var(--text); }

/* In your repo */
.two-col { display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; align-items: center; }
.two-col p { color: var(--muted); }
.tiers { width: 100%; border-collapse: collapse; font-size: 0.9rem; margin-top: 20px; }
.tiers th, .tiers td { text-align: left; padding: 10px 10px 10px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.tiers thead th { font-family: var(--mono); font-size: 0.75rem; color: var(--dim); font-weight: 500; text-transform: uppercase; letter-spacing: 0.06em; }
.tiers tbody th { font-family: var(--mono); color: var(--accent); font-weight: 500; }
.tiers td { color: var(--muted); }

/* Is / is not */
.split { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.card { background: var(--bg-raised); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 28px; }
.card h3 { font-family: var(--mono); color: var(--accent); }
.card-not h3 { color: var(--warn); }
.card ul { margin: 0; padding-left: 1.1em; }
.card li { margin-bottom: 10px; color: var(--muted); }
.card li strong { color: var(--text); }

/* Install */
.req { border: 1px solid var(--line); border-left: 3px solid var(--warn); border-radius: 10px; padding: 16px 20px; margin-bottom: 40px; background: var(--bg-raised); color: var(--muted); }
.req strong { color: var(--text); }
.step { margin-bottom: 40px; }
.step h3 { display: flex; align-items: center; gap: 12px; font-size: 1.2rem; margin-bottom: 16px; }
.step-n { display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: var(--accent); color: var(--accent-ink); font-family: var(--mono); font-size: 0.95rem; }
.step p { color: var(--muted); }
.step .term { margin-bottom: 18px; box-shadow: none; }

/* Final call to action */
.final {
  padding: 96px 0; border-top: 1px solid var(--line);
  background: radial-gradient(700px 300px at 50% 0%, rgba(255, 90, 79, 0.10), transparent 70%), var(--bg);
}
.final h2 { margin-bottom: 12px; }
.final p { color: var(--muted); margin: 0 0 28px; }

/* Footer */
.foot { border-top: 1px solid var(--line); padding: 48px 0 36px; color: var(--muted); font-size: 0.92rem; background: var(--bg-alt); }
.foot-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 32px; }
.foot h3 { font-family: var(--mono); font-size: 0.78rem; color: var(--dim); text-transform: uppercase; letter-spacing: 0.08em; font-weight: 500; }
.foot ul { list-style: none; margin: 0; padding: 0; }
.foot li { margin-bottom: 8px; }
.foot nav a { color: var(--muted); text-decoration: none; }
.foot nav a:hover { color: var(--text); }
.foot-base { margin-top: 36px; padding-top: 20px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; }
.foot-base p { margin: 0; color: var(--dim); }

/* Responsive */
@media (max-width: 960px) {
  .hero-grid, .two-col { grid-template-columns: 1fr; }
  .points { grid-template-columns: repeat(2, 1fr); }
  .band-list { grid-template-columns: repeat(2, 1fr); }
  .day li { grid-template-columns: 1fr; gap: 6px; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .hero { padding: 56px 0 56px; }
  .section, .final { padding: 64px 0; }
  .points, .split, .band-list, .foot-grid { grid-template-columns: 1fr; }
  .hide-sm { display: none; }
  .bar nav ul { gap: 16px; }
  .term-body { font-size: 0.78rem; }
}

/* Long commands wrap in the hero instead of hiding behind a scrollbar; the tree gets the wider column */
.hero .term-body { white-space: normal; }
.hero .term-body .ln { display: block; white-space: pre-wrap; overflow-wrap: anywhere; padding-left: 2.6em; text-indent: -2.6em; }
.two-col { grid-template-columns: 1fr 1.45fr; }
.tree { font-size: 0.8rem; }
@media (max-width: 960px) { .two-col { grid-template-columns: 1fr; } }

/* Round 2 — the ruled positioning: the nothing-behind-it line, the idea, the chain */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

.none-line { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; }
.none-line li {
  font-family: var(--mono); font-size: 0.8rem; color: var(--text);
  border: 1px solid var(--line-strong); border-radius: 999px; padding: 4px 12px; background: var(--bg-raised);
}
.none-line li::before { content: "∅"; color: var(--accent); margin-right: 0.5em; }

.term figcaption { font-family: var(--mono); font-size: 0.75rem; color: var(--dim); padding: 10px 18px 12px; border-top: 1px solid var(--line); }

.angle { list-style: none; margin: 0 0 24px; padding: 0; }
.angle li { padding: 12px 0 12px 18px; border-left: 2px solid var(--line-strong); color: var(--muted); margin-bottom: 4px; }
.angle li strong { color: var(--text); display: block; }

.chain { list-style: none; margin: 0; padding: 0; }
.link {
  display: grid; grid-template-columns: 200px 1fr; gap: 32px;
  background: var(--bg-raised); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 30px; margin-bottom: 14px; position: relative;
}
.link + .link::before {
  content: "↓"; position: absolute; top: -21px; left: 44px;
  color: var(--accent); font-family: var(--mono); font-size: 1rem;
}
.link-head { display: flex; flex-direction: column; gap: 4px; }
.link-n { font-family: var(--mono); color: var(--accent); font-size: 0.85rem; }
.link-name { font-family: var(--mono); font-size: 1.35rem; font-weight: 700; letter-spacing: 0.02em; text-transform: uppercase; }
.link-body p { color: var(--muted); }
.link-body p:last-child { margin-bottom: 0; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tags .tag { margin: 0; }
.gov { list-style: none; margin: 0; padding: 0; }
.gov li { color: var(--muted); padding: 10px 0; border-bottom: 1px solid var(--line); }
.gov li:last-child { border-bottom: 0; padding-bottom: 0; }
.gov strong { color: var(--text); }
.bridge { margin: 0 0 14px; padding: 18px 30px; text-align: center; }
.bridge p {
  margin: 0; font-size: 1.2rem; font-style: italic; color: var(--text);
}
.bridge p::before, .bridge p::after { content: "—"; color: var(--accent); margin: 0 0.6em; font-style: normal; }
.link-body .tiers { margin-top: 8px; }

@media (max-width: 760px) {
  .link { grid-template-columns: 1fr; gap: 12px; padding: 22px; }
  .link-name { font-size: 1.15rem; }
  .bridge p { font-size: 1.05rem; }
}

/* Round 2b — the tagline leads; what it does gets the weight, what it is not steps back */
.hero h1 { font-size: clamp(2.4rem, 5.4vw, 4.2rem); max-width: 15ch; }
.subhead { font-size: clamp(1.25rem, 2.2vw, 1.6rem); font-weight: 600; color: var(--accent); margin: -6px 0 18px; line-height: 1.3; }
.pills { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; }
.pills li {
  font-family: var(--mono); font-size: 0.8rem; color: var(--text);
  border: 1px solid var(--line-strong); border-radius: 999px; padding: 4px 12px; background: var(--bg-raised);
}
.pills li::before { content: "✓"; color: var(--accent); margin-right: 0.5em; }
.split { grid-template-columns: 1.6fr 1fr; align-items: start; }
.card-not { background: transparent; border-style: dashed; }
.card-not h3 { color: var(--dim); }
.card-not li { font-size: 0.93rem; color: var(--dim); }
@media (max-width: 640px) { .split { grid-template-columns: 1fr; } }

/* The problem, widened: four short cards instead of one paragraph */
.problems { list-style: none; margin: 28px 0 28px; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; text-align: left; }
.problems li { background: var(--bg-raised); border: 1px solid var(--line); border-left: 3px solid var(--accent); border-radius: 10px; padding: 16px 18px; color: var(--muted); font-size: 0.98rem; }
.problems strong { display: block; color: var(--text); margin-bottom: 4px; }
@media (max-width: 640px) { .problems { grid-template-columns: 1fr; } }