/* Wiretap brand — theworker02 · see docs/brand.md */
@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;600;700&family=IBM+Plex+Sans:wght@400;500;600&display=swap");

:root {
  --wt-bg: #0b0f12;
  --wt-bg-elevated: #121a1e;
  --wt-bg-card: #151e23;
  --wt-grid: #1a2a30;
  --wt-ink: #148f8a;
  --wt-teal: #2a9d8f;
  --wt-gold: #d4a373;
  --wt-gold-dim: #b8894f;
  --wt-fg: #f3f6f7;
  --wt-fg-muted: #7d949c;
  --wt-cream: #f0e6d0;
  --wt-danger: #c45a5a;
  --wt-max: 54rem;
  --wt-font-mono: "IBM Plex Mono", ui-monospace, "Cascadia Code", Consolas, monospace;
  --wt-font-sans: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--wt-font-sans);
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--wt-fg);
  background:
    radial-gradient(ellipse 80% 50% at 10% -10%, rgba(20, 143, 138, 0.18), transparent 55%),
    radial-gradient(ellipse 60% 40% at 90% 0%, rgba(212, 163, 115, 0.08), transparent 50%),
    var(--wt-bg);
}

a {
  color: var(--wt-gold);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
}
a:hover { color: var(--wt-cream); }

img { max-width: 100%; height: auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--wt-grid);
  background: rgba(11, 15, 18, 0.9);
  backdrop-filter: blur(12px);
}

.site-header-inner {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0.85rem 1.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.25rem;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--wt-fg);
  text-decoration: none;
  font-family: var(--wt-font-mono);
  font-weight: 700;
  letter-spacing: 0.2em;
  font-size: 0.92rem;
}
.brand-link img { width: 2.1rem; height: 2.1rem; border-radius: 0.45rem; }

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.1rem;
  margin-left: auto;
  font-size: 0.9rem;
}
.nav a {
  color: var(--wt-fg-muted);
  text-decoration: none;
  padding: 0.2rem 0;
}
.nav a:hover,
.nav a[aria-current="page"] { color: var(--wt-gold); }

main {
  max-width: var(--wt-max);
  margin: 0 auto;
  padding: 2.75rem 1.5rem 4.5rem;
}
main.wide { max-width: 72rem; }

.hero {
  padding: 2.5rem 0 2.75rem;
  border-bottom: 1px solid var(--wt-grid);
  margin-bottom: 2.75rem;
}
.hero-logo {
  display: block;
  width: min(100%, 38rem);
  margin: 0 0 1.75rem;
  border-radius: 0.5rem;
}
.hero h1 {
  margin: 0 0 0.85rem;
  font-family: var(--wt-font-mono);
  font-size: clamp(1.85rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: 0.14em;
}
.hero .tagline {
  margin: 0 0 1.5rem;
  max-width: 38rem;
  color: var(--wt-fg-muted);
  font-size: 1.12rem;
}

.cta-row { display: flex; flex-wrap: wrap; gap: 0.75rem; }

.btn {
  display: inline-block;
  padding: 0.6rem 1.15rem;
  border: 1px solid var(--wt-teal);
  background: var(--wt-bg-elevated);
  color: var(--wt-fg);
  font-family: var(--wt-font-mono);
  font-size: 0.85rem;
  text-decoration: none;
  border-radius: 0.25rem;
  transition: border-color 0.15s ease, background 0.15s ease, transform 0.15s ease;
}
.btn:hover {
  border-color: var(--wt-gold);
  color: var(--wt-cream);
  background: var(--wt-bg-card);
  transform: translateY(-1px);
}
.btn-primary {
  border-color: var(--wt-gold);
  background: linear-gradient(135deg, #0f3d3a, #148f8a 70%);
}

h2 {
  margin-top: 2.4rem;
  font-family: var(--wt-font-mono);
  font-size: 1.15rem;
  letter-spacing: 0.06em;
  color: var(--wt-gold);
  border-bottom: 1px solid var(--wt-grid);
  padding-bottom: 0.4rem;
}
h3 { margin-top: 1.5rem; font-size: 1.05rem; }

.lead { color: var(--wt-fg-muted); font-size: 1.05rem; }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15.5rem, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}
.feature {
  padding: 1.15rem 1.2rem;
  background: var(--wt-bg-card);
  border: 1px solid var(--wt-grid);
  border-left: 3px solid var(--wt-ink);
  border-radius: 0 0.35rem 0.35rem 0;
}
.feature h3 {
  margin: 0 0 0.45rem;
  font-family: var(--wt-font-mono);
  font-size: 0.95rem;
  color: var(--wt-gold);
}
.feature p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--wt-fg-muted);
}

pre, code { font-family: var(--wt-font-mono); font-size: 0.88em; }
code {
  color: var(--wt-cream);
  background: var(--wt-bg-elevated);
  padding: 0.12em 0.4em;
  border-radius: 0.2rem;
}
pre {
  overflow-x: auto;
  padding: 1.1rem 1.2rem;
  background: #070a0c;
  border: 1px solid var(--wt-grid);
  border-radius: 0.35rem;
  color: var(--wt-fg);
  line-height: 1.5;
}
pre code { padding: 0; background: none; color: inherit; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  margin: 1rem 0;
}
th, td {
  text-align: left;
  padding: 0.6rem 0.7rem;
  border-bottom: 1px solid var(--wt-grid);
  vertical-align: top;
}
th {
  color: var(--wt-gold);
  font-family: var(--wt-font-mono);
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
}

.note {
  padding: 0.95rem 1.1rem;
  border-left: 3px solid var(--wt-gold);
  background: var(--wt-bg-elevated);
  color: var(--wt-fg-muted);
  border-radius: 0 0.35rem 0.35rem 0;
}

.site-footer {
  max-width: 72rem;
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
  border-top: 1px solid var(--wt-grid);
  color: var(--wt-fg-muted);
  font-size: 0.85rem;
}
.site-footer a { color: var(--wt-fg-muted); }
.site-footer a:hover { color: var(--wt-gold); }

.ascii {
  font-size: 0.7rem;
  line-height: 1.25;
  color: var(--wt-teal);
  overflow-x: auto;
  opacity: 0.85;
}

.meta-pill {
  display: inline-block;
  margin-right: 0.5rem;
  padding: 0.2rem 0.55rem;
  border: 1px solid var(--wt-grid);
  border-radius: 999px;
  color: var(--wt-fg-muted);
  font-family: var(--wt-font-mono);
  font-size: 0.75rem;
}

@media (max-width: 640px) {
  .nav { margin-left: 0; width: 100%; }
  .hero h1 { letter-spacing: 0.08em; }
}