/* CAA 2026 — Design tokens & base */
:root {
  --bg: #0b1020;
  --bg-2: #121833;
  --panel: #1a2244;
  --panel-2: #232c5a;
  --line: #2e3870;
  --text: #e8ecff;
  --text-dim: #9aa3d4;
  --accent: #7c8cff;
  --accent-2: #22d3ee;
  --ok: #4ade80;
  --warn: #fbbf24;
  --err: #f87171;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
  --maxw: 1180px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, system-ui, sans-serif; line-height: 1.55; }
a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* Hero */
.hero { padding: 64px 0 32px; background: radial-gradient(1200px 400px at 50% -10%, #2a3470 0%, transparent 60%), linear-gradient(180deg, #0b1020 0%, #0b1020 100%); border-bottom: 1px solid var(--line); }
.badge { display: inline-block; font-size: 12px; letter-spacing: 2px; font-weight: 700; padding: 6px 12px; border: 1px solid var(--line); border-radius: 999px; color: var(--text-dim); }
.hero h1 { font-size: clamp(28px, 4vw, 44px); margin: 16px 0 8px; letter-spacing: -.02em; }
.subtitle { color: var(--text-dim); font-size: 16px; margin: 0 0 24px; }
.highlight { color: var(--accent-2); font-weight: 700; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; }
.btn { display: inline-block; padding: 12px 20px; border-radius: 10px; font-weight: 600; border: 1px solid transparent; transition: transform .08s ease, background .15s ease; }
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: #0b1020; }
.btn-primary:hover { background: #95a3ff; }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn-ghost:hover { background: var(--panel); }

/* KPIs */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; margin: 36px 0 12px; }
.kpi { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.kpi-val { font-size: 28px; font-weight: 700; color: var(--accent-2); }
.kpi-lbl { color: var(--text-dim); font-size: 13px; margin-top: 4px; }

/* Matérias */
.materias h2, .modos h2 { font-size: 22px; margin: 32px 0 14px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

.card { display: flex; gap: 14px; padding: 18px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); color: var(--text); transition: border-color .15s ease, transform .08s ease; }
.card:hover { border-color: var(--accent); transform: translateY(-2px); text-decoration: none; }
.card-num { font-size: 32px; font-weight: 800; color: var(--accent); font-variant-numeric: tabular-nums; line-height: 1; min-width: 48px; }
.card-extra .card-num { color: var(--warn); }
.card-body h3 { margin: 0 0 4px; font-size: 17px; }
.card-body p { margin: 0 0 10px; color: var(--text-dim); font-size: 14px; }
.tags { display: flex; gap: 6px; flex-wrap: wrap; }
.tag { display: inline-block; font-size: 11px; padding: 3px 8px; border-radius: 999px; background: var(--panel-2); color: var(--text-dim); border: 1px solid var(--line); }
.tag-accent { color: var(--warn); border-color: rgba(251,191,36,.4); }

.mini { display: block; padding: 20px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); color: var(--text); }
.mini:hover { border-color: var(--accent); text-decoration: none; }
.mini-ico { font-size: 28px; }
.mini h3 { margin: 8px 0 4px; font-size: 16px; }
.mini p { margin: 0; color: var(--text-dim); font-size: 14px; }

/* Footer */
.footer { padding: 48px 24px; color: var(--text-dim); font-size: 13px; border-top: 1px solid var(--line); margin-top: 48px; text-align: center; }
.footer code { background: var(--panel); padding: 2px 6px; border-radius: 6px; font-size: 12px; }

/* Responsive */
@media (max-width: 600px) {
  .hero { padding: 40px 0 24px; }
  .card { padding: 14px; }
}