/* ============================================================
   Capitrack — shared site styles (landing + docs)
   Tokens lifted verbatim from the app's style.css
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600;700&display=swap');

:root {
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 18px;
  --maxw: 1180px;
  --transition: 0.2s ease;
}

/* ---------- Dark theme (default, matches the app) ---------- */
:root,
[data-theme="dark"] {
  --bg: #0f1117;
  --bg-soft: #12141d;
  --bg-card: #161822;
  --bg-card-hover: #1c1f2e;
  --bg-input: #1c1f2e;
  --border: #262940;
  --border-light: #1c1f2e;
  --text: #e4e5f0;
  --text-strong: #ffffff;
  --text-muted: #8688a5;
  --text-dim: #565978;
  --success: #22c55e;
  --success-bg: rgba(34,197,94,0.12);
  --danger: #ef4444;
  --danger-bg: rgba(239,68,68,0.12);
  --warning: #f59e0b;
  --code-bg: #0b0d13;
  --grid-line: rgba(255,255,255,0.035);
  --shadow-lg: 0 24px 70px -20px rgba(0,0,0,0.7);
  --shadow-card: 0 2px 10px rgba(0,0,0,0.25);
}

/* ---------- Light theme ---------- */
[data-theme="light"] {
  --bg: #f5f6fa;
  --bg-soft: #eef0f6;
  --bg-card: #ffffff;
  --bg-card-hover: #f0f1f5;
  --bg-input: #f0f1f5;
  --border: #e2e4ea;
  --border-light: #eceef3;
  --text: #1a1d27;
  --text-strong: #0c0e16;
  --text-muted: #6b7085;
  --text-dim: #9ca0b8;
  --success: #059669;
  --success-bg: rgba(5,150,105,0.10);
  --danger: #dc2626;
  --danger-bg: rgba(220,38,38,0.08);
  --warning: #d97706;
  --code-bg: #0b0d13;
  --grid-line: rgba(15,17,23,0.04);
  --shadow-lg: 0 24px 60px -24px rgba(31,34,51,0.30);
  --shadow-card: 0 2px 10px rgba(31,34,51,0.06);
}

/* ---------- Accent palettes ---------- */
:root,
[data-accent="indigo"] {
  --primary: #6366f1;
  --primary-hover: #818cf8;
  --primary-2: #818cf8;
  --primary-bg: rgba(99,102,241,0.10);
  --primary-rgb: 99,102,241;
}
[data-theme="light"][data-accent="indigo"] { --primary: #4f46e5; --primary-hover: #6366f1; --primary-rgb: 79,70,229; }

[data-accent="teal"] {
  --primary: #14b8a6;
  --primary-hover: #2dd4bf;
  --primary-2: #2dd4bf;
  --primary-bg: rgba(20,184,166,0.12);
  --primary-rgb: 20,184,166;
}
[data-accent="emerald"] {
  --primary: #16a34a;
  --primary-hover: #22c55e;
  --primary-2: #22c55e;
  --primary-bg: rgba(34,197,94,0.12);
  --primary-rgb: 34,197,94;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
::selection { background: rgba(var(--primary-rgb),0.3); }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 99px; border: 2px solid var(--bg); }

/* ---------- Brand wordmark ---------- */
.brand { display: inline-flex; align-items: center; gap: 0.6rem; font-weight: 700; letter-spacing: -0.02em; }
.brand-mark {
  width: 30px; height: 30px; border-radius: 9px; flex-shrink: 0;
  display: grid; place-items: center;
  background: linear-gradient(150deg, var(--primary), var(--primary-hover));
  box-shadow: 0 4px 14px rgba(var(--primary-rgb),0.45);
}
.brand-mark svg { width: 17px; height: 17px; display: block; }
.brand-name { font-size: 1.15rem; color: var(--text-strong); }
.brand-name b { font-weight: 800; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.72rem 1.25rem; border-radius: var(--radius-sm);
  font-family: var(--font); font-size: 0.95rem; font-weight: 600; line-height: 1;
  cursor: pointer; border: 1px solid transparent; white-space: nowrap;
  transition: all var(--transition);
}
.btn svg { width: 17px; height: 17px; }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 6px 20px rgba(var(--primary-rgb),0.35); }
.btn-primary:hover { background: var(--primary-hover); transform: translateY(-1px); box-shadow: 0 10px 28px rgba(var(--primary-rgb),0.45); }
.btn-ghost { background: var(--bg-card); color: var(--text); border-color: var(--border); }
.btn-ghost:hover { background: var(--bg-card-hover); border-color: var(--text-dim); }
.btn-lg { padding: 0.9rem 1.6rem; font-size: 1rem; }
.btn-block { width: 100%; }

/* ---------- Top nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 0.85rem 1.5rem;
  display: flex; align-items: center; gap: 1.5rem;
}
.nav-links { display: flex; align-items: center; gap: 0.35rem; margin-left: auto; }
.nav-link {
  padding: 0.5rem 0.85rem; border-radius: var(--radius-sm);
  font-size: 0.92rem; font-weight: 500; color: var(--text-muted);
  transition: all var(--transition);
}
.nav-link:hover { color: var(--text); background: var(--bg-card-hover); }
.nav-link.active { color: var(--text); }
.nav-actions { display: flex; align-items: center; gap: 0.6rem; }
.nav-gh {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.5rem 0.85rem; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: var(--bg-card);
  font-size: 0.9rem; font-weight: 600; color: var(--text); white-space: nowrap;
  transition: all var(--transition);
}
.nav-gh:hover { background: var(--bg-card-hover); border-color: var(--text-dim); }
.nav-gh svg { width: 17px; height: 17px; }
.nav-gh .star { color: var(--text-muted); font-weight: 600; }
.nav-toggle { display: none; }

@media (max-width: 860px) {
  .nav-links { display: none; }
}

/* ---------- Eyebrow / kicker ---------- */
.kicker {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--mono); font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--primary);
}
.kicker::before { content: ""; width: 18px; height: 1px; background: var(--primary); opacity: 0.6; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--border); background: var(--bg-soft); }
.footer-inner { max-width: var(--maxw); margin: 0 auto; padding: 3.5rem 1.5rem 2rem; }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 2.5rem; }
.footer-blurb { color: var(--text-muted); font-size: 0.92rem; max-width: 30ch; margin-top: 1rem; }
.footer-col h4 { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-dim); margin-bottom: 1rem; }
.footer-col a { display: block; color: var(--text-muted); font-size: 0.92rem; padding: 0.3rem 0; transition: color var(--transition); }
.footer-col a:hover { color: var(--text); }
.footer-bottom {
  max-width: var(--maxw); margin: 2.5rem auto 0; padding-top: 1.5rem;
  border-top: 1px solid var(--border); display: flex; flex-wrap: wrap;
  align-items: center; justify-content: space-between; gap: 1rem;
  color: var(--text-dim); font-size: 0.85rem;
}
.footer-bottom .mit { font-family: var(--mono); }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; } }
@media (max-width: 460px) { .footer-grid { grid-template-columns: 1fr; } }

/* ---------- Utility ---------- */
.mono { font-family: var(--mono); }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 1.5rem; }