/* Landing page styles for docs/index.html.
   Palette: graphite chrome from the product UI (web/src/lib/theme.css),
   with the copper brand accent from the logo and banner, and the SPA's
   status hues (emerald/amber/red) reserved for data and terminal output. */

:root {
  /* brand */
  --copper: #c87533;
  --copper-light: #e89a4f;
  /* graphite chrome (web/src/lib/theme.css) */
  --bg: #0b0e11;
  --bg-raised: #11161b;
  --bg-panel: #151b21;
  --bg-hover: #1c242c;
  --border: #242d36;
  --border-strong: #33404c;
  --text: #d8dee4;
  --text-dim: #8b98a5;
  --text-faint: #5b6772;
  --accent: #5eb1ef;
  --accent-dim: #2d5d84;
  /* status hues — data only */
  --ok: #34d399;
  --warn: #f59e0b;
  --fail: #ef4444;
}

/* Override just-the-docs defaults for the landing page */
.main-content { max-width: 100%; padding: 0; }
.side-bar { display: none; }
@media (min-width: 66.5rem) { .main-content { margin-left: 0; } }

/* ── Hero ──────────────────────────────────────────── */
.hero {
  background:
    radial-gradient(900px 420px at 50% -140px, rgba(200, 117, 51, 0.16), rgba(200, 117, 51, 0) 70%),
    linear-gradient(180deg, var(--bg-raised) 0%, var(--bg) 100%);
  padding: 4rem 2rem 3rem;
  text-align: center;
  border-bottom: 1px solid var(--border);
}
.hero-logo { max-width: 120px; margin-bottom: 1.5rem; }
.hero h1 {
  font-size: 3rem; font-weight: 800; color: #fff;
  margin: 0 0 0.5rem; letter-spacing: -0.02em;
}
.hero h1 span { color: var(--copper); }
.hero .tagline {
  font-size: 1.25rem; color: var(--text-dim);
  max-width: 720px; margin: 0 auto 2rem; line-height: 1.6;
}

/* ── Install box ──────────────────────────────────── */
.install-box {
  background: var(--bg-panel); border: 1px solid var(--border);
  border-radius: 8px; padding: 1rem 1.5rem;
  max-width: 620px; margin: 0 auto 1.5rem;
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 0.95rem; color: var(--copper-light);
  display: flex; align-items: center; justify-content: space-between;
  cursor: pointer; transition: border-color 0.2s;
}
.install-box:hover { border-color: var(--copper); }
.install-box .prompt { color: var(--text-dim); margin-right: 0.5rem; }
.install-box .copy-hint {
  color: var(--text-faint); font-size: 0.75rem;
  font-family: -apple-system, sans-serif;
}

.hero-buttons { margin-top: 1.5rem; }
.hero-buttons a {
  display: inline-block; padding: 0.75rem 2rem;
  border-radius: 6px; font-weight: 600; font-size: 1rem;
  text-decoration: none; margin: 0 0.5rem 0.5rem;
  transition: all 0.2s;
}
.btn-primary-custom {
  background: var(--copper); color: #fff;
}
.btn-primary-custom:hover { background: var(--copper-light); color: #fff; }
.btn-secondary-custom {
  background: transparent; color: var(--text);
  border: 1px solid var(--border-strong);
}
.btn-secondary-custom:hover { border-color: var(--copper); color: var(--copper-light); }

/* ── Banner ───────────────────────────────────────── */
.banner {
  max-width: 900px; margin: 2rem auto 0;
  border-radius: 12px; overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}
.banner img { width: 100%; display: block; }

/* ── Stats bar ────────────────────────────────────── */
.stats {
  display: flex; justify-content: center; gap: 3rem;
  padding: 2rem; background: var(--bg-raised);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.stat { text-align: center; }
.stat .num { font-size: 2rem; font-weight: 800; color: var(--copper); }
.stat .label {
  font-size: 0.85rem; color: var(--text-dim);
  text-transform: uppercase; letter-spacing: 0.05em;
}

/* ── Flow diagram ─────────────────────────────────── */
.flow-section {
  max-width: 1100px; margin: 0 auto; padding: 3rem 2rem 1rem;
  text-align: center;
}
.flow-section h2 { color: #fff; margin-bottom: 0.75rem; }
.flow-section .lead {
  color: var(--text-dim); max-width: 720px;
  margin: 0 auto 2rem; line-height: 1.6;
}
.flow {
  display: flex; flex-wrap: wrap; justify-content: center;
  align-items: stretch; gap: 0.75rem;
}
.flow-step {
  background: var(--bg-panel); border: 1px solid var(--border);
  border-radius: 10px; padding: 1rem 1.25rem;
  min-width: 120px; flex: 1; max-width: 160px;
  display: flex; flex-direction: column; justify-content: center;
}
.flow-step .step-name {
  color: var(--copper-light); font-weight: 700; font-size: 0.95rem;
  margin-bottom: 0.35rem;
}
.flow-step .step-desc { color: var(--text-dim); font-size: 0.8rem; line-height: 1.45; }
.flow-arrow {
  color: var(--copper); font-size: 1.5rem; font-weight: 700;
  align-self: center;
}
.flow-loop {
  margin-top: 1.5rem; color: var(--text-dim); font-size: 0.85rem;
}
.flow-loop .loop-arrow { color: var(--copper); }

/* ── Features grid ────────────────────────────────── */
.features {
  max-width: 1100px; margin: 0 auto;
  padding: 3rem 2rem;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}
.section-heading {
  max-width: 1100px; margin: 0 auto; padding: 2rem 2rem 0;
}
.section-heading h2 { color: #fff; margin-bottom: 0.5rem; }
.section-heading p { color: var(--text-dim); line-height: 1.6; }
.feature-card {
  background: var(--bg-panel); border: 1px solid var(--border);
  border-radius: 10px; padding: 1.5rem;
  transition: border-color 0.2s, transform 0.2s;
}
.feature-card:hover { border-color: var(--copper); transform: translateY(-2px); }
.feature-card .piece {
  display: inline-block; font-size: 0.7rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--copper); margin-bottom: 0.5rem;
}
.feature-card h3 {
  font-size: 1.1rem; color: #fff; margin: 0 0 0.5rem;
}
.feature-card p { color: var(--text-dim); font-size: 0.9rem; line-height: 1.6; margin: 0; }
.feature-card code { color: var(--text); }

/* ── Terminal demo ────────────────────────────────── */
.demo-section {
  max-width: 800px; margin: 0 auto; padding: 2rem 2rem 3rem;
}
.demo-section h2 { text-align: center; color: #fff; margin-bottom: 1.5rem; }
.terminal {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 10px; overflow: hidden;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}
.terminal-bar {
  background: var(--bg-raised); padding: 0.5rem 1rem;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 6px;
}
.terminal-dot { width: 12px; height: 12px; border-radius: 50%; }
.terminal-dot.red { background: #ff5f57; }
.terminal-dot.yellow { background: #febc2e; }
.terminal-dot.green { background: #28c840; }
.terminal-body {
  padding: 1.25rem; font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.85rem; line-height: 1.7; color: var(--text);
  overflow-x: auto;
}
.terminal-body .prompt-sign { color: var(--copper); }
.terminal-body .cmd { color: #fff; }
.terminal-body .output { color: var(--text-dim); }
.terminal-body .success { color: var(--ok); }
.terminal-body .info { color: var(--accent); }

/* ── Architecture ─────────────────────────────────── */
.arch-section {
  max-width: 900px; margin: 0 auto; padding: 2rem;
  text-align: center;
}
.arch-section h2 { color: #fff; margin-bottom: 1.5rem; }
.arch-section img {
  max-width: 100%; border-radius: 10px;
  border: 1px solid var(--border);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}

/* ── Screenshot gallery ───────────────────────────── */
.shots {
  max-width: 1100px; margin: 0 auto; padding: 0 2rem 3rem;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(480px, 1fr));
  gap: 1.5rem;
}
@media (max-width: 560px) {
  .shots { grid-template-columns: 1fr; }
}
.shot-card {
  background: var(--bg-panel); border: 1px solid var(--border);
  border-radius: 10px; overflow: hidden;
  transition: border-color 0.2s, transform 0.2s;
}
.shot-card:hover { border-color: var(--copper); transform: translateY(-2px); }
.shot-card img {
  width: 100%; display: block;
  border-bottom: 1px solid var(--border);
}
.shot-card .caption {
  padding: 0.9rem 1.1rem; color: var(--text-dim);
  font-size: 0.85rem; line-height: 1.5;
}
.shot-card .caption b { color: #fff; display: block; font-size: 0.95rem; margin-bottom: 0.2rem; }

/* ── CTA ──────────────────────────────────────────── */
.cta {
  text-align: center; padding: 3rem 2rem;
  background:
    radial-gradient(700px 300px at 50% -80px, rgba(200, 117, 51, 0.12), rgba(200, 117, 51, 0) 70%),
    linear-gradient(180deg, var(--bg-raised), var(--bg));
  border-top: 1px solid var(--border);
}
.cta h2 { color: #fff; font-size: 1.8rem; margin-bottom: 1rem; }
.cta p { color: var(--text-dim); margin-bottom: 1.5rem; max-width: 520px; margin-left: auto; margin-right: auto; }

/* ── Footer ───────────────────────────────────────── */
.landing-footer {
  text-align: center; padding: 2rem;
  color: var(--text-dim); font-size: 0.85rem;
  border-top: 1px solid var(--border);
}
.landing-footer a { color: var(--copper-light); text-decoration: none; }
.landing-footer a:hover { text-decoration: underline; }
.footer-links { display: flex; justify-content: center; gap: 2rem; margin-bottom: 1rem; flex-wrap: wrap; }