/* godocumentor.org landing page — palette mirrors the generated docs theme */
:root {
  --bg: #ffffff;
  --bg-alt: #f6f8fa;
  --bg-code: #f6f8fa;
  --text: #1f2328;
  --text-muted: #656d76;
  --border: #d0d7de;
  --accent: #00add8;
  --accent-soft: #d6f3fb;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1117; --bg-alt: #161b22; --bg-code: #161b22; --text: #e6edf3;
    --text-muted: #8b949e; --border: #30363d; --accent: #5dc9e2; --accent-soft: #0a2e38;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; font-family: var(--sans); color: var(--text); background: var(--bg);
  line-height: 1.6; -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, pre { font-family: var(--mono); font-size: 0.9em; }
.wrap { max-width: 60rem; margin: 0 auto; padding: 0 1.25rem; }

/* Header */
header.site {
  position: sticky; top: 0; z-index: 10; background: var(--bg);
  border-bottom: 1px solid var(--border);
}
header.site .wrap { display: flex; align-items: center; gap: 1rem; height: 3.5rem; }
.brand { font-weight: 700; font-size: 1.1rem; font-family: var(--mono); display: inline-flex; align-items: center; gap: 0.5rem; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand-mark { display: block; }
.hero-mark { display: block; margin: 0 auto 1rem; }
.brand .accent { color: var(--accent); }
header.site nav { margin-left: auto; display: flex; gap: 1.25rem; font-size: 0.95rem; }
header.site nav a { color: var(--text-muted); }
header.site nav a:hover { color: var(--text); text-decoration: none; }

/* Hero */
.hero { text-align: center; padding: 4.5rem 0 3rem; border-bottom: 1px solid var(--border); }
.hero h1 { font-size: 2.6rem; margin: 0 0 0.5rem; letter-spacing: -0.02em; }
.hero h1 .accent { color: var(--accent); }
.hero .tagline { font-size: 1.3rem; color: var(--text); margin: 0 0 0.75rem; }
.hero .sub { font-size: 1.05rem; color: var(--text-muted); max-width: 40rem; margin: 0 auto 2rem; }
.btn-row { display: flex; gap: 0.75rem; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-block; padding: 0.6rem 1.3rem; border-radius: 8px; font-weight: 600;
  border: 1px solid var(--border); font-size: 1rem;
}
.btn:hover { text-decoration: none; }
.btn.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn.primary:hover { filter: brightness(1.08); }
.btn.disabled { opacity: 0.55; cursor: not-allowed; filter: none; }
.btn.disabled:hover { filter: none; }
.btn.secondary { background: var(--bg-alt); color: var(--text); }
.btn.secondary:hover { border-color: var(--accent); }

/* Sections */
section { padding: 3.5rem 0; border-bottom: 1px solid var(--border); }
section h2 { font-size: 1.7rem; margin: 0 0 0.4rem; letter-spacing: -0.01em; }
section .lead { color: var(--text-muted); margin: 0 0 2rem; max-width: 44rem; }

/* The gap */
.gap-grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); }
.gap-grid .item { background: var(--bg-alt); border: 1px solid var(--border); border-radius: 10px; padding: 1.1rem 1.2rem; }
.gap-grid .item h3 { margin: 0 0 0.3rem; font-size: 1.05rem; font-family: var(--mono); }
.gap-grid .item p { margin: 0; color: var(--text-muted); font-size: 0.95rem; }
.gap-grid .item.win { border-color: var(--accent); }
.gap-grid .item.win h3 { color: var(--accent); }

/* Features */
.feature-grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); }
.feature {
  background: var(--bg-alt); border: 1px solid var(--border); border-radius: 10px; padding: 1.2rem 1.3rem;
}
.feature h3 { margin: 0 0 0.4rem; font-size: 1.1rem; }
.feature p { margin: 0; color: var(--text-muted); font-size: 0.95rem; }

/* Code blocks */
pre {
  background: var(--bg-code); border: 1px solid var(--border); border-radius: 8px;
  padding: 0.9rem 1.1rem; overflow-x: auto;
}
pre code { font-size: 0.875rem; }
p code, li code, td code { background: var(--bg-code); padding: 0.12rem 0.4rem; border-radius: 5px; }

/* Flags table */
table { border-collapse: collapse; width: 100%; margin: 0.5rem 0; font-size: 0.95rem; }
th, td { text-align: left; padding: 0.5rem 0.7rem; border: 1px solid var(--border); vertical-align: top; }
thead { background: var(--bg-alt); }
td code { white-space: nowrap; }

/* How it works */
.steps { display: grid; gap: 1rem; grid-template-columns: 1fr 1fr; }
.step { background: var(--bg-alt); border: 1px solid var(--border); border-radius: 10px; padding: 1.2rem 1.3rem; }
.step .n { font-family: var(--mono); color: var(--accent); font-weight: 700; }
.step h3 { margin: 0.2rem 0 0.4rem; font-size: 1.1rem; }
.step p { margin: 0; color: var(--text-muted); font-size: 0.95rem; }

/* Footer */
footer.site { padding: 2.5rem 0 3.5rem; color: var(--text-muted); font-size: 0.9rem; }
footer.site .wrap { display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; align-items: center; }
footer.site a { color: var(--text-muted); }

@media (max-width: 40rem) {
  .hero h1 { font-size: 2rem; }
  .steps { grid-template-columns: 1fr; }
  header.site nav { gap: 0.9rem; }
}