/* Shared styles for gitchrono.com (home, /download, /changelog). */
:root {
  --bg: #111318;
  --bg-2: #171a20;
  --panel: #1d2128;
  --border: #2a2f39;
  --text: #e6e8ec;
  --muted: #9aa1ad;
  --faint: #6b717d;
  --cyan: #15a0bf;
  --blue: #2f7df6;
  --violet: #9b4fe0;
  --pink: #e0457b;
  --amber: #e3b341;
  --green: #3fb950;
  --radius: 14px;
  --max: 1160px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
code, .mono { font-family: "JetBrains Mono", ui-monospace, Menlo, monospace; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.split > *, .grid > *, .oc > *, .downloads > * { min-width: 0; }
body { overflow-x: hidden; }

/* nav */
nav { position: sticky; top: 0; z-index: 10; backdrop-filter: blur(12px); background: rgba(17, 19, 24, 0.72); border-bottom: 1px solid rgba(42, 47, 57, 0.6); }
nav .wrap { display: flex; align-items: center; gap: 28px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: -0.01em; }
.brand svg { width: 26px; height: 26px; }
nav .links { display: flex; gap: 22px; margin-left: auto; color: var(--muted); font-size: 14px; font-weight: 500; }
nav .links a:hover { color: var(--text); }

/* hero */
.hero { position: relative; padding: 96px 0 40px; text-align: center; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: -40% -20% auto; height: 760px; z-index: -1;
  background:
    radial-gradient(40% 50% at 30% 40%, rgba(47, 125, 246, 0.22), transparent 70%),
    radial-gradient(35% 45% at 70% 35%, rgba(155, 79, 224, 0.20), transparent 70%),
    radial-gradient(30% 40% at 50% 70%, rgba(21, 160, 191, 0.16), transparent 70%);
}
.eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px; border: 1px solid var(--border); border-radius: 999px; background: var(--bg-2); color: var(--muted); font-size: 13px; font-weight: 500; }
.eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 10px var(--green); }
h1 { margin: 22px auto 18px; max-width: 880px; font-size: clamp(40px, 6.4vw, 76px); line-height: 1.04; letter-spacing: -0.035em; font-weight: 800; }
h1 .grad { background: linear-gradient(90deg, var(--cyan), var(--blue) 35%, var(--violet) 70%, var(--pink)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lede { margin: 0 auto; max-width: 640px; color: var(--muted); font-size: clamp(17px, 2vw, 20px); }
.cta { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin: 34px 0 14px; }
.btn { display: inline-flex; align-items: center; gap: 10px; height: 48px; padding: 0 22px; border-radius: 12px; font-weight: 600; font-size: 15px; transition: transform .15s ease, background .15s ease, border-color .15s ease; }
.btn:hover { transform: translateY(-1px); }
button.btn { font-family: inherit; cursor: pointer; border: 0; color: var(--text); height: 40px; }
button.btn-primary { color: #0d0f13; }
button.btn-ghost { border: 1px solid var(--border); }
.btn svg { width: 18px; height: 18px; }
.btn-primary { background: var(--text); color: #0d0f13; }
.btn-primary:hover { background: #fff; }
.btn-ghost { border: 1px solid var(--border); background: var(--bg-2); }
.btn-ghost:hover { border-color: #3a404c; }
.fine { color: var(--faint); font-size: 13px; }

.shot { position: relative; margin: 56px auto 0; max-width: 1100px; }
.shot::before { content: ""; position: absolute; inset: 8% 6% -4%; z-index: -1; filter: blur(60px); background: linear-gradient(90deg, rgba(21,160,191,.35), rgba(47,125,246,.3), rgba(155,79,224,.35)); border-radius: 40px; }
.shot img { display: block; width: 100%; height: auto; border-radius: 14px; border: 1px solid #333945; box-shadow: 0 30px 80px rgba(0,0,0,.55); }

/* stats */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin: 80px auto 0; max-width: 900px; background: var(--border); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.stat { background: var(--bg-2); padding: 26px 24px; text-align: center; }
.stat b { display: block; font-size: 30px; letter-spacing: -0.02em; }
.stat span { color: var(--muted); font-size: 14px; }

/* sections */
section { padding: 110px 0 0; }
.kicker { color: var(--blue); font-weight: 600; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; }
h2 { margin: 10px 0 14px; font-size: clamp(30px, 4vw, 44px); line-height: 1.1; letter-spacing: -0.025em; }
.sub { max-width: 620px; color: var(--muted); font-size: 18px; margin: 0; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 44px; }
.card { position: relative; padding: 26px; border: 1px solid var(--border); border-radius: var(--radius); background: linear-gradient(180deg, var(--panel), var(--bg-2)); }
.card .ico { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 10px; margin-bottom: 18px; background: color-mix(in srgb, var(--c) 16%, transparent); color: var(--c); border: 1px solid color-mix(in srgb, var(--c) 35%, transparent); }
.card .ico svg { width: 20px; height: 20px; }
.card h3 { margin: 0 0 6px; font-size: 17px; letter-spacing: -0.01em; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }

/* architecture */
.split { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; margin-top: 44px; }
.code { padding: 22px 24px; border: 1px solid var(--border); border-radius: var(--radius); background: #0d0f13; font-size: 13.5px; line-height: 1.75; color: #c9ced6; overflow-x: auto; }
.code .c { color: var(--faint); }
.code .k { color: var(--violet); }
.code .s { color: var(--green); }
.code .f { color: var(--blue); }
.list { list-style: none; margin: 0; padding: 0; display: grid; gap: 18px; }
.list li { display: grid; grid-template-columns: 26px 1fr; gap: 12px; }
.list .n { display: grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; font-size: 12px; font-weight: 700; color: #0d0f13; background: var(--c); }
.list b { display: block; margin-bottom: 2px; }
.list span { color: var(--muted); font-size: 15px; }

/* downloads */
.downloads { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 44px; }
.arch { display: flex; gap: 8px; margin-top: 8px; flex-wrap: wrap; }
.arch a { flex: 1; min-width: 0; text-align: center; padding: 7px 10px; border: 1px solid var(--border); border-radius: 9px; font-size: 12px; color: var(--muted); background: var(--panel); white-space: nowrap; }
.arch a:hover { border-color: #3d4452; color: var(--text); }
.arch a.mine { border-color: color-mix(in srgb, var(--blue) 60%, var(--border)); color: var(--text); }
.dl { display: flex; flex-direction: column; gap: 6px; padding: 22px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg-2); transition: border-color .15s ease, transform .15s ease; }
.dl:hover { border-color: #3d4452; transform: translateY(-2px); }
.dl.recommended { border-color: color-mix(in srgb, var(--blue) 60%, var(--border)); box-shadow: 0 0 0 1px color-mix(in srgb, var(--blue) 30%, transparent) inset; }
.dl svg { width: 26px; height: 26px; margin-bottom: 8px; color: var(--text); }
.dl b { font-size: 16px; }
.dl span { color: var(--muted); font-size: 13px; }
.dl .file { margin-top: 6px; font-size: 12px; color: var(--faint); word-break: break-all; }
.release-meta { margin-top: 18px; color: var(--faint); font-size: 14px; }
.release-meta a { color: var(--muted); text-decoration: underline; text-underline-offset: 3px; }

/* open core */
.oc { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 44px; }
.tier { padding: 28px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg-2); }
.tier h3 { margin: 0 0 4px; font-size: 20px; }
.tier .price { color: var(--muted); margin-bottom: 18px; }
.tier ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; color: var(--muted); font-size: 15px; }
.tier li::before { content: "✓"; color: var(--green); font-weight: 700; margin-right: 10px; }
.tier.pro li::before { content: "◆"; color: var(--amber); }
.tier.pro { background: linear-gradient(180deg, rgba(227, 179, 65, 0.06), var(--bg-2) 60%); border-color: rgba(227, 179, 65, 0.25); }
.badge { display: inline-block; margin-left: 8px; padding: 2px 8px; border-radius: 999px; font-size: 11px; font-weight: 600; vertical-align: middle; color: var(--amber); border: 1px solid rgba(227, 179, 65, 0.4); }

footer { margin-top: 120px; padding: 40px 0 56px; border-top: 1px solid var(--border); color: var(--faint); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 20px; align-items: center; }
footer .links { margin-left: auto; display: flex; gap: 20px; }
footer a:hover { color: var(--text); }

@media (max-width: 900px) {
  .grid, .downloads { grid-template-columns: repeat(2, 1fr); }
  .split, .oc { grid-template-columns: 1fr; }
}
.faq { display: grid; gap: 10px; margin-top: 32px; max-width: 820px; }
.faq details { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 20px; }
.faq summary { cursor: pointer; font-weight: 600; }
.faq p { color: var(--muted); margin: 10px 0 0; line-height: 1.6; }
.consent { position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: 50; max-width: 720px; margin: 0 auto; display: flex; gap: 16px; align-items: center; justify-content: space-between; flex-wrap: wrap; padding: 16px 20px; background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: 0 10px 40px rgba(0,0,0,.5); }
.consent[hidden] { display: none; }
.consent p { margin: 0; color: var(--muted); font-size: 14px; flex: 1 1 280px; }
.consent div { display: flex; gap: 8px; }
@media (max-width: 600px) {
  .wrap { padding: 0 16px; }
  .code { font-size: 12px; }
  nav .links a:not(.gh):not([href="/download/"]) { display: none; }
  .grid, .downloads, .stats { grid-template-columns: 1fr; }
  .hero { padding-top: 64px; }
  section { padding-top: 80px; }
}

/* inner pages (/download, /changelog) */
.page-head { position: relative; padding: 72px 0 0; overflow: hidden; }
.page-head::before {
  content: ""; position: absolute; inset: -60% -20% auto; height: 560px; z-index: -1;
  background:
    radial-gradient(35% 50% at 25% 40%, rgba(47, 125, 246, 0.18), transparent 70%),
    radial-gradient(30% 45% at 75% 35%, rgba(155, 79, 224, 0.16), transparent 70%);
}
.page-head h1 { margin: 12px 0 14px; max-width: none; font-size: clamp(34px, 5vw, 54px); }
.page-head .lede { margin: 0; }
.crumbs { color: var(--faint); font-size: 14px; }
.crumbs a:hover { color: var(--text); }
.page section { padding-top: 72px; }
.page h2 { font-size: clamp(26px, 3.2vw, 34px); }
.prose a, .steps a, .callout a { color: var(--text); text-decoration: underline; text-underline-offset: 3px; text-decoration-color: var(--faint); }
:not(pre) > code { padding: 1px 6px; border-radius: 6px; background: var(--panel); border: 1px solid var(--border); font-size: .88em; }

.steps { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 28px; }
/* Linux gets the full row so its commands fit. */
.steps [data-os="linux"] { grid-column: 1 / -1; }
.steps > * { min-width: 0; }
.steps h3 { display: flex; align-items: center; gap: 10px; }
.steps h3 svg { width: 20px; height: 20px; }
.steps ol { margin: 12px 0 0; padding-left: 20px; color: var(--muted); font-size: 15px; }
.steps li + li { margin-top: 8px; }
.steps .note { margin-top: 14px; color: var(--faint); font-size: 14px; }
pre.cmd { margin: 10px 0 0; padding: 12px 14px; background: #0d0f13; border: 1px solid var(--border); border-radius: 10px; font-size: 12.5px; line-height: 1.7; color: #c9ced6; overflow-x: auto; }
.callout { margin-top: 20px; padding: 14px 18px; border: 1px solid color-mix(in srgb, var(--amber) 35%, var(--border)); background: color-mix(in srgb, var(--amber) 7%, var(--bg-2)); border-radius: 12px; color: var(--muted); font-size: 15px; }
.callout b, .callout strong { color: var(--text); }
.reqs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin-top: 28px; background: var(--border); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.reqs > div { background: var(--bg-2); padding: 18px 20px; }
.reqs b { display: block; margin-bottom: 4px; }
.reqs span { color: var(--muted); font-size: 14px; }

/* changelog */
.release { display: grid; grid-template-columns: 210px 1fr; gap: 36px; padding: 44px 0; border-top: 1px solid var(--border); }
.release:first-of-type { border-top: 0; }
.release > * { min-width: 0; }
.release .when { position: sticky; top: 88px; align-self: start; }
.release .when h2 { margin: 0; font-size: 28px; }
.release .when h2 a:hover { color: var(--blue); }
.release time { display: block; margin-top: 4px; color: var(--faint); font-size: 14px; }
.release .latest { display: inline-block; margin-top: 10px; padding: 2px 9px; border-radius: 999px; font-size: 12px; font-weight: 600; color: var(--green); border: 1px solid color-mix(in srgb, var(--green) 45%, transparent); }
.release .files { margin-top: 14px; display: grid; gap: 6px; font-size: 13px; }
.release .files a { color: var(--muted); }
.release .files a:hover { color: var(--text); }
.prose { color: var(--muted); }
.prose > :first-child { margin-top: 0; }
.prose h3 { margin: 26px 0 8px; color: var(--text); font-size: 19px; letter-spacing: -0.01em; }
.prose h4 { margin: 20px 0 6px; color: var(--text); font-size: 15px; }
.prose p { margin: 10px 0; }
.prose ul { margin: 8px 0; padding-left: 20px; }
.prose li + li { margin-top: 5px; }
.prose strong { color: var(--text); }
.prose table { margin: 12px 0; border-collapse: collapse; font-size: 14px; }
.prose th, .prose td { padding: 7px 12px; border: 1px solid var(--border); text-align: left; }
.prose .callout { margin: 0 0 16px; }

@media (max-width: 900px) {
  .steps, .reqs { grid-template-columns: 1fr; }
  .release { grid-template-columns: 1fr; gap: 14px; }
  .release .when { position: static; }
}