/* ColdStart.io — small static stylesheet. No JavaScript, no dependencies. */

:root {
  --bg: #fbfcfd;
  --panel: #ffffff;
  --ink: #131820;
  --muted: #5b6676;
  --line: #e2e8f0;
  --accent: #0e7f95;
  --accent-ink: #ffffff;
  --frost: #e8f6f9;
  --code-bg: #f4f7f9;
  --live: #0f766e;
  --live-bg: #d7f2ec;
  --soon: #7c5a11;
  --soon-bg: #fbf0d4;
  --radius: 12px;
  --pad: clamp(1.25rem, 4vw, 2.5rem);
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1117;
    --panel: #151b23;
    --ink: #e8edf3;
    --muted: #97a3b2;
    --line: #242d38;
    --accent: #4fd0e6;
    --accent-ink: #06222a;
    --frost: #132a31;
    --code-bg: #0b1017;
    --live: #6ee7c8;
    --live-bg: #10332c;
    --soon: #f0c65d;
    --soon-bg: #33290f;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.65 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto,
        "Helvetica Neue", Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
}

h1, h2, h3 { line-height: 1.2; letter-spacing: -0.02em; margin: 0 0 .5em; }
h1 { font-size: clamp(2rem, 5.5vw, 3.25rem); }
h2 { font-size: clamp(1.4rem, 3vw, 1.9rem); }
h3 { font-size: 1.05rem; }
p { margin: 0 0 1rem; }
a { color: var(--accent); }
a:hover { text-decoration: none; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

code {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: .9em;
  background: var(--code-bg);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: .1em .35em;
}

pre {
  margin: 0;
  background: var(--code-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
  overflow-x: auto;
}
pre code { background: none; border: 0; padding: 0; font-size: .85rem; line-height: 1.6; }

.wrap { width: min(72rem, 100% - 2.5rem); margin-inline: auto; }
.band { padding-block: clamp(2rem, 5vw, 3.5rem); }
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip-path: inset(50%); white-space: nowrap;
}

.skip {
  position: absolute; left: -999px;
  background: var(--accent); color: var(--accent-ink);
  padding: .6rem 1rem; border-radius: 0 0 var(--radius) 0; z-index: 10;
}
.skip:focus { left: 0; top: 0; }

/* Header and footer ------------------------------------------------------ */

header.site {
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  position: sticky; top: 0; z-index: 5;
  backdrop-filter: blur(8px);
}

.bar {
  display: flex; flex-wrap: wrap; gap: .75rem 1.5rem;
  align-items: center; justify-content: space-between;
  padding-block: .85rem;
}

.brand, .brand-foot {
  display: inline-flex; align-items: center; gap: .5rem;
  font-weight: 650; letter-spacing: -.02em; font-size: 1.1rem;
  color: var(--ink); text-decoration: none;
}
.mark { color: var(--accent); }
.tld { color: var(--muted); font-weight: 500; }

header nav ul, footer nav ul {
  display: flex; flex-wrap: wrap; gap: .35rem 1.25rem;
  list-style: none; margin: 0; padding: 0;
}
header nav a, footer nav a {
  color: var(--muted); text-decoration: none; font-size: .94rem;
}
header nav a:hover, footer nav a:hover { color: var(--accent); }

footer.site { border-top: 1px solid var(--line); margin-top: 2rem; }
.foot {
  display: flex; flex-wrap: wrap; gap: 1rem 2rem;
  align-items: center; justify-content: space-between;
  padding-block: 2rem;
}
.legal { color: var(--muted); font-size: .85rem; margin: 0; flex-basis: 100%; }

/* Hero ------------------------------------------------------------------- */

.hero {
  background:
    radial-gradient(60rem 22rem at 18% -10%, var(--frost), transparent 70%),
    var(--bg);
  border-bottom: 1px solid var(--line);
  padding-block: clamp(3rem, 9vw, 6rem);
}
.eyebrow {
  text-transform: uppercase; letter-spacing: .13em;
  font-size: .76rem; font-weight: 650; color: var(--accent); margin-bottom: .9rem;
}
.hero h1 { max-width: 18ch; }
.lede { font-size: clamp(1.05rem, 2vw, 1.22rem); color: var(--muted); max-width: 58ch; }
.section-lede { color: var(--muted); max-width: 62ch; }
.fineprint { color: var(--muted); font-size: .86rem; margin: 0; }

.actions { display: flex; flex-wrap: wrap; gap: .75rem; margin: 1.6rem 0 1rem; }
.btn {
  display: inline-block; padding: .7rem 1.3rem;
  border: 1px solid var(--line); border-radius: 999px;
  background: var(--panel); color: var(--ink);
  text-decoration: none; font-weight: 600; font-size: .95rem;
  transition: transform .15s ease, border-color .15s ease;
}
.btn:hover { transform: translateY(-1px); border-color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }

/* Cards, steps, roadmap -------------------------------------------------- */

.cards { list-style: none; margin: 1.75rem 0 0; padding: 0; display: grid; gap: 1rem; }
.cards.three { grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); }
.cards.two { grid-template-columns: repeat(auto-fit, minmax(24rem, 1fr)); }
.cards li {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--pad);
}
.cards p:last-child { margin-bottom: 0; }

.steps {
  list-style: none; counter-reset: step;
  margin: 1.75rem 0 0; padding: 0;
  display: grid; gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
}
.steps li {
  counter-increment: step;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--pad);
}
.steps li::before {
  content: counter(step);
  display: grid; place-items: center;
  width: 2rem; height: 2rem; margin-bottom: .9rem;
  border-radius: 50%;
  background: var(--frost); color: var(--accent);
  font-weight: 700; font-size: .9rem;
}
.steps p:last-child { margin-bottom: 0; }

.tag {
  display: inline-block; vertical-align: middle;
  margin-left: .45rem; padding: .16em .6em;
  border-radius: 999px; font-size: .68rem; font-weight: 700;
  letter-spacing: .05em; text-transform: uppercase;
}
.tag.live { background: var(--live-bg); color: var(--live); }
.tag.soon { background: var(--soon-bg); color: var(--soon); }

.roadmap { list-style: none; margin: 1.75rem 0 0; padding: 0; display: grid; gap: .75rem; }
.roadmap li {
  display: flex; gap: 1rem; align-items: flex-start;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.15rem var(--pad);
}
.roadmap .tag { margin: .2rem 0 0; flex: none; }
.roadmap h3 { margin-bottom: .25rem; }
.roadmap p { margin: 0; color: var(--muted); }

/* Device configs --------------------------------------------------------- */

.configs {
  display: grid; gap: 1rem; margin-top: 1.75rem;
  grid-template-columns: repeat(auto-fit, minmax(19rem, 1fr));
  /* Size each card to its own snippet instead of the tallest in the row. */
  align-items: start;
}
/* Wrap long one-line commands rather than hiding them in a scroll area. */
.configs pre code { white-space: pre-wrap; overflow-wrap: anywhere; }
.configs article {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--pad);
}
.configs h3 { color: var(--muted); font-size: .85rem; text-transform: uppercase; letter-spacing: .07em; }

/* Closing sections ------------------------------------------------------- */

.cta {
  text-align: center;
  background: var(--frost);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) * 1.5);
  padding: clamp(2rem, 5vw, 3.25rem) var(--pad);
  margin-block: clamp(2.5rem, 6vw, 4.5rem);
}
.cta p { color: var(--muted); max-width: 46ch; margin-inline: auto; }
.cta .actions { justify-content: center; }

.lore {
  border-top: 1px solid var(--line);
  color: var(--muted);
}
.lore p { max-width: 62ch; }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}