:root {
  --bg: #ffffff;
  --text: #0f172a; /* slate-900 */
  --muted: #475569; /* slate-600 */
  --border: #e2e8f0; /* slate-200 */
  --accent: #2563eb; /* blue-600 */
  --accent-700: #1d4ed8;
  --accent-50: #eff6ff;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1220;
    --text: #f1f5f9;
    --muted: #cbd5e1;
    --border: #1f2937;
    --accent: #60a5fa;
    --accent-700: #3b82f6;
    --accent-50: #0b1220;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html { font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Arial, "Apple Color Emoji", "Segoe UI Emoji"; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg, video { max-width: 100%; display: block; }
.container { width: min(1100px, 92%); margin-inline: auto; }
.header { position: sticky; top: 0; backdrop-filter: blur(6px); background: color-mix(in oklab, var(--bg) 85%, transparent); border-bottom: 1px solid var(--border); z-index: 50; }
.header-inner { display:flex; align-items:center; justify-content:space-between; gap: 12px; padding: 12px 0; }
.brand { display:flex; align-items:center; gap:10px; font-weight: 700; letter-spacing: .2px; color: var(--text); text-decoration: none; }
.brand:hover { color: var(--accent); }
.brand svg { width: 26px; height: 26px; }
.nav-cta { display:flex; gap: 10px; align-items:center; }
.nav-links { display: flex; gap: 24px; font-weight: 600; font-size: 0.95rem; }
.nav-links a { text-decoration: none; color: var(--text); transition: color .2s; }
.nav-links a:hover { color: var(--accent); }
@media (max-width: 640px) {
  .header-inner { flex-wrap: wrap; }
  .nav-links { order: 3; width: 100%; justify-content: center; margin-top: 10px; gap: 32px; }
}
main { display:block; }
section { padding: 56px 0; }
.section-tight { padding: 40px 0; }
.h1 { font-size: clamp(2rem, 1.2rem + 2.5vw, 3rem); line-height: 1.15; letter-spacing: -0.02em; margin: 0; }
.lead { font-size: clamp(1.05rem, 0.95rem + .5vw, 1.25rem); color: var(--muted); margin: 14px 0 0; }
.grid { display:grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
@media (max-width: 900px){ .grid-2 { grid-template-columns: 1fr; } }
.btn { appearance: none; border: 1px solid var(--accent); background: var(--accent); color: #fff; padding: 12px 18px; border-radius: 10px; font-weight: 700; text-decoration: none; display:inline-flex; align-items:center; justify-content:center; gap:10px; box-shadow: 0 1px 0 rgba(0,0,0,.04); transition: transform .06s ease, background .2s ease, border .2s ease; }
.btn:hover { background: var(--accent-700); border-color: var(--accent-700); transform: translateY(-1px); }
.btn:focus-visible { outline: 3px solid color-mix(in oklab, var(--accent) 50%, transparent); outline-offset: 2px; }
.btn-ghost { background: transparent; color: var(--accent); border-color: color-mix(in oklab, var(--accent) 20%, var(--border)); }
.btn-ghost:hover { background: color-mix(in oklab, var(--accent) 8%, transparent); color: var(--accent-700); }
.hero {
  padding: 80px 0 56px;
  background: radial-gradient(1200px 400px at 50% -80px, color-mix(in oklab, var(--accent) 18%, transparent), transparent 60%),
              linear-gradient(180deg, color-mix(in oklab, var(--accent-50) 80%, transparent), transparent 50%);
}
.hero .cta { margin-top: 22px; display:flex; gap: 12px; flex-wrap: wrap; }
.kpis { display:flex; gap: 18px; flex-wrap: wrap; margin-top: 18px; color: var(--muted); font-size: .95rem; }
.card { border: 1px solid var(--border); border-radius: 14px; padding: 18px; background: color-mix(in oklab, var(--bg) 92%, transparent); }
ul.checks, ul.crosses { padding-left: 1.2em; margin: 0; }
ul.checks li::marker { content: "✅ "; }
ul.crosses li::marker { content: "❌ "; }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { border: 1px solid var(--border); padding: 10px 12px; text-align: left; }
.table caption { text-align: left; font-weight: 700; margin-bottom: 8px; }
.badge { display:inline-block; padding: 4px 8px; border-radius: 999px; background: color-mix(in oklab, var(--accent) 14%, transparent); color: var(--accent-700); font-weight: 700; font-size: .8rem; }
.muted { color: var(--muted); }
.muted a { color: var(--accent); text-decoration: none; font-weight: 600; transition: color .2s ease; }
.muted a:hover { color: var(--accent-700); }
footer { border-top: 1px solid var(--border); margin-top: 40px; }
.footer-inner { padding: 22px 0; display:flex; justify-content:space-between; gap: 10px; align-items:center; flex-wrap: wrap; }
.footer-nav { display: flex; gap: 20px; margin: 10px 0; }
.footer-nav a { text-decoration: none; color: var(--muted); font-weight: 500; font-size: 0.9em; transition: color .2s; }
.footer-nav a:hover { color: var(--accent); }
@media (max-width: 600px) {
  .footer-inner { flex-direction: column; text-align: center; gap: 16px; }
  .footer-nav { margin: 0; }
}
.skip-link { position:absolute; left:-9999px; top:auto; width:1px; height:1px; overflow:hidden; }
.skip-link:focus { position: static; width: auto; height: auto; padding: 8px 12px; background: #000; color: #fff; border-radius: 6px; }
.details { border: 1px solid var(--border); border-radius: 12px; padding: 10px 14px; background: color-mix(in oklab, var(--bg) 95%, transparent); }
details + details { margin-top: 12px; }
summary { font-weight: 700; cursor: pointer; }
small.note { display:block; margin-top: 12px; color: var(--muted); }
.meta { color: var(--muted); font-size: 0.9rem; margin-bottom: 2rem; }
section h2 { margin-top: 2.5rem; margin-bottom: 1rem; }
section h3 { margin-top: 2rem; margin-bottom: 0.8rem; }
section ul { margin-bottom: 1.5rem; }