/* GenWave landing page — "Wireless" identity (warm retro radio).
   Token set + component conventions per the app repo's design-aesthetic skill. */

@font-face {
  font-family: "Fraunces";
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url("/assets/fonts/fraunces-variable-latin.woff2") format("woff2");
}

@font-face {
  font-family: "Fraunces";
  font-style: italic;
  font-weight: 400 600;
  font-display: swap;
  src: url("/assets/fonts/fraunces-italic-variable-latin.woff2") format("woff2");
}

@font-face {
  font-family: "Source Sans 3";
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url("/assets/fonts/source-sans-3-variable-latin.woff2") format("woff2");
}

:root {
  color-scheme: light dark;

  /* light — "cream enamel" */
  --bg: #F6EFE3;
  --surface: #FDF8EE;
  --surface-2: #EFE5D2;
  --line: #DDD0B8;
  --ink: #2B2320;
  --mute: #706256;
  --accent: #B94F29;
  --accent-ink: #FDF8EE;
  --accent-2: #6F632F;

  --font-display: "Fraunces", ui-serif, Georgia, "Times New Roman", serif;
  --font-body: "Source Sans 3", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    /* dark — "walnut & brass" */
    --bg: #1E1713;
    --surface: #2A211B;
    --surface-2: #241C16;
    --line: #3F342A;
    --ink: #F0E7D8;
    --mute: #A89A88;
    --accent: #D96A3D;
    --accent-ink: #1E1713;
    --accent-2: #B3A25E;
  }
}

* {
  box-sizing: border-box;
  /* No typeface here has a synthesized italic/bold worth showing — a class
     that requests a weight/style with no real face should fail visibly
     (fall back upright/regular) rather than render a faux-slanted fake. */
  font-synthesis: none;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.55;
}

.wrap {
  width: 100%;
  max-width: 880px;
  margin-inline: auto;
  padding-inline: 1.3rem;
}

a {
  color: var(--accent);
}

a:hover {
  text-decoration-thickness: 2px;
}

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

.skip-link {
  position: absolute;
  left: 0.6rem;
  top: -3rem;
  background: var(--accent);
  color: var(--accent-ink);
  padding: 0.6rem 1rem;
  border-radius: 6px;
  font-weight: 600;
  text-decoration: none;
  transition: top 120ms ease-out;
  z-index: 10;
}

.skip-link:focus {
  top: 0.6rem;
}

h1, h2 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 0.6em;
}

p {
  margin: 0 0 1em;
}

code, pre {
  font-family: var(--font-mono);
}

/* header */

.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--surface-2);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.6rem;
  padding-block: 0.9rem;
}

.wordmark {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 600;
  font-size: 1.35rem;
  color: var(--ink);
  text-decoration: none;
}

.site-header nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.1rem;
  font-size: 0.88rem;
}

.site-header nav a {
  color: var(--mute);
  text-decoration: none;
  font-weight: 600;
}

.site-header nav a:hover,
.site-header nav a:focus-visible {
  color: var(--accent);
}

/* eyebrow / on-air dot */

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  margin: 0 0 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent-2);
}

.on-air-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--accent);
  animation: on-air-pulse 1.6s ease-out infinite;
}

@keyframes on-air-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

@media (prefers-reduced-motion: reduce) {
  .on-air-dot {
    animation: none;
  }
}

/* hero */

.hero {
  padding-block: 3.4rem 2.6rem;
}

.hero-panel {
  background: var(--surface);
  border-radius: 6px;
  padding: 2rem clamp(1.3rem, 4vw, 2.6rem);
  box-shadow: 0 0 0 4px var(--bg), 0 0 0 5px var(--line);
}

.hero h1 {
  font-style: italic;
  font-size: clamp(2.4rem, 6vw, 3.6rem);
  margin-bottom: 0.4em;
}

.hero .lede {
  font-size: 1.1rem;
  color: var(--ink);
  max-width: 56ch;
}

.hero .lede.secondary {
  color: var(--mute);
  font-size: 1rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.6rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 1.15rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none;
  transition: background-color 120ms ease-out, border-color 120ms ease-out, color 120ms ease-out;
}

.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
  border: 1px solid var(--accent);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: color-mix(in srgb, var(--accent) 85%, black);
}

.btn-secondary {
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--line);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  border-color: var(--accent);
  color: var(--accent);
}

/* sections */

section {
  padding-block: 2.6rem;
}

section h2 {
  font-size: 1.5rem;
}

.section-lede {
  color: var(--mute);
  max-width: 62ch;
}

/* cold-start stat slot */

.stat-slot {
  padding-block: 0;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 1.4rem clamp(1.2rem, 4vw, 2rem);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.4rem 1.1rem;
}

.stat-label {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--accent-2);
  flex-basis: 100%;
}

.stat-value {
  font-family: var(--font-display);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  font-size: 2rem;
  color: var(--mute);
}

.stat-caption {
  margin: 0;
  color: var(--mute);
  font-size: 0.92rem;
  font-family: var(--font-display);
  font-style: italic;
}

/* install / one-liner */

.code-copy {
  position: relative;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 1rem 3.6rem 1rem 1.2rem;
}

.code-copy pre {
  margin: 0;
  overflow-x: auto;
}

.code-copy code {
  font-size: 0.92rem;
  color: var(--ink);
}

.copy-btn {
  position: absolute;
  top: 0.6rem;
  right: 0.6rem;
  min-height: 32px;
  padding: 0 0.75rem;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 120ms ease-out, color 120ms ease-out;
}

.copy-btn:hover,
.copy-btn:focus-visible {
  border-color: var(--accent);
  color: var(--accent);
}

.fineprint {
  color: var(--mute);
  font-size: 0.85rem;
  margin-top: 0.9rem;
}

.fineprint code {
  font-size: 0.85rem;
}

/* script viewer */

.script-body {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 1.2rem;
  overflow-x: auto;
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--ink);
  max-height: 32rem;
  overflow-y: auto;
}

/* links */

.links ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.links li {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.9rem 1.1rem;
}

.links a {
  font-weight: 600;
  text-decoration: none;
}

.links a:hover,
.links a:focus-visible {
  text-decoration: underline;
}

.links li span {
  color: var(--mute);
}

/* credits */

.credit-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.9rem;
}

.credit-grid li {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 1rem 1.1rem;
}

.credit-grid a {
  font-weight: 600;
  text-decoration: none;
  font-size: 0.98rem;
}

.credit-grid a:hover,
.credit-grid a:focus-visible {
  text-decoration: underline;
}

.credit-grid p {
  margin: 0.35rem 0 0;
  color: var(--mute);
  font-size: 0.86rem;
}

/* footer */

.site-footer {
  border-top: 1px solid var(--line);
  padding-block: 1.6rem;
  color: var(--mute);
  font-size: 0.85rem;
}

.site-footer a {
  color: var(--mute);
  font-weight: 600;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: var(--accent);
}

@media (max-width: 560px) {
  .hero {
    padding-block: 2.2rem 1.8rem;
  }

  .hero-panel {
    padding: 1.5rem 1.2rem;
  }

  .cta-row {
    flex-direction: column;
    align-items: stretch;
  }

  .code-copy {
    padding-inline: 1rem;
  }

  .copy-btn {
    position: static;
    margin-top: 0.8rem;
    width: 100%;
  }
}