/* skiff website – design tokens modelled on a neutral shadcn palette,
   with one ember accent (Firecracker) as the brand colour */
:root {
  --background: oklch(100% 0 0);
  --foreground: oklch(14.5% 0 0);
  --card: oklch(100% 0 0);
  --muted-foreground: oklch(55.6% 0 0);
  --border: oklch(92.2% 0 0);
  --muted: oklch(97% .006 60);
  --accent: oklch(64% .2 40);
  --accent-soft: oklch(64% .2 40 / .12);
  --radius: .375rem;
  --max-width: 64rem;
  --font-sans: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: oklch(14.5% 0 0);
    --foreground: oklch(98.5% 0 0);
    --card: oklch(20.5% 0 0);
    --muted-foreground: oklch(70.8% 0 0);
    --border: oklch(100% 0 0 / .1);
    --muted: oklch(19% .008 60);
    --accent: oklch(74% .17 52);
    --accent-soft: oklch(74% .17 52 / .14);
  }
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  background: var(--background);
  color: var(--foreground);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--foreground); }

::selection { background: var(--accent-soft); }

code, .mono { font-family: var(--font-mono); }
p code { font-size: .9em; }

h1, h2, h3 { margin: 0; letter-spacing: -.01em; }

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* header / nav */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  padding-bottom: 1rem;
  flex-shrink: 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-mono);
  font-size: .875rem;
  font-weight: 600;
  letter-spacing: -.01em;
}

.brand::before {
  content: "";
  width: .5rem;
  height: .5rem;
  border-radius: 2px;
  background: var(--accent);
  box-shadow: 0 0 .5rem var(--accent);
}

.site-nav {
  display: flex;
  gap: 1.25rem;
  font-family: var(--font-mono);
  font-size: .875rem;
  color: var(--muted-foreground);
}
.site-nav a[aria-current="page"],
.site-nav a[aria-current="true"] {
  color: var(--foreground);
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 2px;
  text-underline-offset: 6px;
}

main { flex: 1; display: flex; flex-direction: column; }

/* hero */
.hero {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  padding-top: 4rem;
  padding-bottom: 4rem;
  text-align: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  height: 1.25rem;
  padding: 0 .5rem;
  border: 1px solid var(--accent);
  background: var(--accent-soft);
  font-family: var(--font-mono);
  font-size: .75rem;
  font-weight: 500;
  white-space: nowrap;
}

.hero h1 {
  max-width: 48rem;
  font-size: 2.25rem;
  font-weight: 600;
  line-height: 1.1;
  text-wrap: balance;
}

.hero .lead {
  max-width: 36rem;
  margin: 0;
  font-size: 1rem;
  color: var(--muted-foreground);
  text-wrap: balance;
}

@media (min-width: 640px) {
  .hero h1 { font-size: 3.75rem; }
  .hero .lead { font-size: 1.125rem; }
}

/* command boxes */
.cmd {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .75rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  font-family: var(--font-mono);
  font-size: .875rem;
  text-align: left;
}

.cmd .prompt { color: var(--accent); font-weight: 600; user-select: none; }
.cmd .text { flex: 1; min-width: 0; font-weight: 500; overflow-wrap: anywhere; }

.cmd button {
  margin-left: .25rem;
  padding: 0;
  border: 0;
  background: none;
  color: var(--muted-foreground);
  cursor: pointer;
  line-height: 0;
  transition: color .15s;
}
.cmd button:hover, .cmd button[data-copied] { color: var(--foreground); }
.cmd button svg { width: 1rem; height: 1rem; }

.hero .cmd { margin-top: 1rem; }
.hero .hint { margin: 0 0 .75rem; font-size: .75rem; color: var(--muted-foreground); }
.hero .hint a, .hint a, .link {
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-underline-offset: 2px;
}

/* terminal output block */
.term {
  width: 100%;
  overflow-x: auto;
  padding: .75rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  font-family: var(--font-mono);
  font-size: .8125rem;
  line-height: 2;
  text-align: left;
  white-space: pre;
}
.term .dim { color: var(--muted-foreground); }
@media (min-width: 640px) { .term, .cmd { font-size: .875rem; } }

/* sections */
section { border-top: 1px solid var(--border); }

.section {
  padding-top: 5rem;
  padding-bottom: 5rem;
}

.section--center {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.section h2 {
  font-size: 1.25rem;
  font-weight: 600;
}
@media (min-width: 640px) { .section h2 { font-size: 1.5rem; } }

.section .intro {
  max-width: 36rem;
  margin: .75rem 0 0;
  font-size: .875rem;
  line-height: 1.75;
  color: var(--muted-foreground);
}
@media (min-width: 640px) { .section .intro { font-size: 1rem; } }

.section--center .term { max-width: 36rem; margin-top: 2rem; }
.section--center .note {
  max-width: 36rem;
  margin: 1rem 0 0;
  font-size: .75rem;
  line-height: 1.5rem;
  color: var(--muted-foreground);
}

.grid {
  display: grid;
  gap: 2.5rem;
  margin-top: 2rem;
}
@media (min-width: 768px) {
  .grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

.card { min-width: 0; }
.card h3, .card h2 {
  padding-top: 1rem;
  border-top: 2px solid var(--accent);
  font-size: 1rem;
  font-weight: 600;
}
.card h3.small { font-size: .875rem; }
.card p {
  margin: 1rem 0 0;
  font-size: .875rem;
  line-height: 1.75;
  color: var(--muted-foreground);
}
.card .cmd, .card .term { margin-top: 1rem; }
.card .term { font-size: .75rem; }
.term--wrap { white-space: pre-wrap; overflow-wrap: anywhere; }
@media (min-width: 768px) { .grid--wide-left { grid-template-columns: 3fr 2fr; } }
.card .cmd + .cmd { margin-top: .75rem; }

.narrow { max-width: 36rem; }
.narrow h2 {
  padding-top: 1rem;
  border-top: 2px solid var(--accent);
  font-size: 1.125rem;
  font-weight: 600;
}
.narrow p {
  margin: 1rem 0 0;
  font-size: .875rem;
  line-height: 1.75;
  color: var(--muted-foreground);
}
@media (min-width: 640px) { .narrow p { font-size: 1rem; } }

/* footer */
.site-footer { border-top: 1px solid var(--border); }
.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: .25rem 1rem;
  padding-top: 2rem;
  padding-bottom: 2rem;
  font-family: var(--font-mono);
  font-size: .875rem;
  color: var(--muted-foreground);
}

/* legal page */
.legal { padding-top: 4rem; padding-bottom: 4rem; }
.legal h1 { font-size: 1.875rem; font-weight: 600; }
.legal h2 { margin-top: 2.5rem; font-size: 1.125rem; font-weight: 600; }
.legal p, .legal address {
  margin: 1rem 0 0;
  font-style: normal;
  font-size: .9375rem;
  line-height: 1.75;
  color: var(--muted-foreground);
}
.legal a { color: var(--foreground); text-decoration: underline; text-decoration-color: var(--accent); text-underline-offset: 2px; }

/* the legal page reuses .narrow for width only, not the ruled headings */
.legal .narrow h2 { padding-top: 0; border-top: 0; }
.legal .narrow h1 { border-top: 0; padding-top: 0; }

/* measured timings */
.card h3.stat {
  font-family: var(--font-mono);
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: -.02em;
}