/* go-freedesktop landing — blue palette, sibling of the go-* family pages.
   Same token shape as the other org landings; only the hex values change so
   the pages read as one family. Accent: blue (#1E40AF blue-800 / #3B82F6). */
:root {
  --fg:       #0f1e3d;
  --bg:       #f5f9ff;
  --bg-2:     #dbeafe;
  --muted:    #1e40af;
  --accent:   #1e40af;
  --accent-2: #3b82f6;
  --accent-3: #93c5fd;
  --code-bg:  #dbeafe;
  --border:   #bfdbfe;
  --thread:   #1e40af;
  --hero-gradient-1: rgba(147, 197, 253, 0.30);
  --hero-gradient-2: rgba(30, 64, 175, 0.18);
}
@media (prefers-color-scheme: dark) {
  :root {
    --fg:       #dbeafe;
    --bg:       #0a0f1e;
    --bg-2:     #0f1e3d;
    --muted:    #93c5fd;
    --accent:   #60a5fa;
    --accent-2: #93c5fd;
    --accent-3: #bfdbfe;
    --code-bg:  #14213d;
    --border:   #1e3a5f;
    --thread:   #60a5fa;
    --hero-gradient-1: rgba(147, 197, 253, 0.22);
    --hero-gradient-2: rgba(30, 64, 175, 0.30);
  }
}
/* Explicit overrides for the manual toggle (button in nav), independent of the
   OS-level prefers-color-scheme media query above. No [data-theme] attribute =
   "system", which the media query already handles. */
:root[data-theme="dark"] {
  --fg:       #dbeafe;
  --bg:       #0a0f1e;
  --bg-2:     #0f1e3d;
  --muted:    #93c5fd;
  --accent:   #60a5fa;
  --accent-2: #93c5fd;
  --accent-3: #bfdbfe;
  --code-bg:  #14213d;
  --border:   #1e3a5f;
  --thread:   #60a5fa;
  --hero-gradient-1: rgba(147, 197, 253, 0.22);
  --hero-gradient-2: rgba(30, 64, 175, 0.30);
}
:root[data-theme="light"] {
  --fg:       #0f1e3d;
  --bg:       #f5f9ff;
  --bg-2:     #dbeafe;
  --muted:    #1e40af;
  --accent:   #1e40af;
  --accent-2: #3b82f6;
  --accent-3: #93c5fd;
  --code-bg:  #dbeafe;
  --border:   #bfdbfe;
  --thread:   #1e40af;
  --hero-gradient-1: rgba(147, 197, 253, 0.30);
  --hero-gradient-2: rgba(30, 64, 175, 0.18);
}

.theme-toggle {
  margin-left: 1.25rem;
  width: 1.9rem;
  height: 1.9rem;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-2);
  color: var(--muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  vertical-align: middle;
  transition: border-color 0.18s, color 0.18s;
}
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }
.theme-toggle-icon::before { content: "\1F310"; font-size: 0.95rem; } /* system: globe */
.theme-toggle[data-mode="light"] .theme-toggle-icon::before { content: "\2600\FE0F"; } /* sun */
.theme-toggle[data-mode="dark"] .theme-toggle-icon::before { content: "\1F319"; } /* moon */

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "Inter", ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--fg);
  background: var(--bg);
  margin: 0;
  line-height: 1.6;
}
.container { max-width: 1080px; margin: 0 auto; padding: 0 1.5rem; }
nav {
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
  font-size: 0.9rem;
  background: var(--bg);
}
nav .container { display: flex; justify-content: space-between; align-items: center; }
nav .brand { font-weight: 600; letter-spacing: -0.01em; color: var(--accent); display: inline-flex; align-items: center; gap: 0.5rem; }
nav .brand-logo { width: 28px; height: 28px; border-radius: 7px; vertical-align: middle; }
nav a { color: var(--muted); text-decoration: none; margin-left: 1.25rem; }
nav a:hover { color: var(--fg); }

/* ---------- HERO ---------- */
.hero { position: relative; padding: 3.5rem 0 2rem; overflow: hidden; }
.hero::before {
  content: "";
  position: absolute;
  inset: -10% -10% 30% -10%;
  background:
    radial-gradient(60% 60% at 20% 30%, var(--hero-gradient-1) 0%, transparent 70%),
    radial-gradient(50% 50% at 80% 70%, var(--hero-gradient-2) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}
.hero .container { position: relative; z-index: 1; }
.hero-logo {
  position: relative;
  z-index: 1;
  display: block;
  width: 96px;
  height: 96px;
  border-radius: 22px;
  margin: 0 0 1.25rem;
  box-shadow: 0 10px 30px -12px rgba(0,0,0,0.35);
}
.hero h1 { font-size: 3rem; margin: 0 0 1rem; letter-spacing: -0.03em; font-weight: 700; }
.hero h1 .accent {
  background: linear-gradient(135deg, var(--accent) 20%, var(--accent-2) 60%, var(--accent-3) 100%);
  -webkit-background-clip: text;
          background-clip: text;
  color: transparent;
}
.hero .tag { font-size: 1.2rem; color: var(--muted); margin: 0 0 1.6rem; font-style: italic; }
.hero .intro p { font-size: 1.05rem; margin: 0 0 1.2rem; max-width: 72ch; }

.pills { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 0 0 1.6rem; }
.pill {
  display: inline-block;
  padding: 0.2rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-2);
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* ---------- BODY SECTIONS ---------- */
h2 {
  margin-top: 3rem;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.4rem;
}
h3 { font-size: 1.05rem; margin-top: 1.5rem; }
code {
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;
  background: var(--code-bg);
  padding: 0.1em 0.35em;
  border-radius: 3px;
  font-size: 0.9em;
}
pre {
  background: var(--code-bg);
  padding: 1rem 1.25rem;
  border-radius: 6px;
  overflow-x: auto;
  font-size: 0.85rem;
  line-height: 1.5;
  border: 1px solid var(--border);
}
pre code { background: none; padding: 0; font-size: 1em; }
ul.features { padding-left: 1.2rem; }
ul.features li { margin-bottom: 0.5rem; }
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}
.card {
  border: 1px solid var(--border);
  padding: 1rem 1.2rem;
  border-radius: 8px;
  background: var(--bg);
  transition: border-color 0.18s, transform 0.18s;
}
.card:hover { border-color: var(--accent); transform: translateY(-1px); }
.card h4 { margin: 0 0 0.3rem; font-size: 0.95rem; font-weight: 600; }
.card .kind {
  float: right;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.05rem 0.5rem;
}
.card p  { margin: 0; font-size: 0.88rem; color: var(--muted); }
.card h4 a { color: inherit; text-decoration: none; }
.card h4 a:hover { color: var(--accent); }

footer {
  margin-top: 4rem;
  border-top: 1px solid var(--border);
  padding: 1.5rem 0;
  color: var(--muted);
  font-size: 0.85rem;
}
a { color: var(--accent); }
a:hover { color: var(--accent-2); }