:root {
  --ink: #0f172a;
  --muted: #475569;
  --soft: #64748b;
  --line: #e2e8f0;
  --bg: #f8fafc;
  --card: #ffffff;
  --accent: #0f766e;
  --accent-soft: #ccfbf1;
  --radius: 14px;
  --max: 68rem;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: linear-gradient(180deg, #f0fdfa 0%, var(--bg) 28%, #fff 100%);
  line-height: 1.6;
}
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: #115e59; }
img { max-width: 100%; height: auto; }
.container { width: min(100% - 2rem, var(--max)); margin-inline: auto; }

.site-header {
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: blur(10px);
  background: rgba(255,255,255,.9);
  border-bottom: 1px solid var(--line);
}
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: .9rem 0;
}
.brand { display: flex; flex-direction: column; color: inherit; text-decoration: none; }
.brand strong { font-size: 1.05rem; letter-spacing: -.01em; }
.brand span { font-size: .75rem; color: var(--soft); }
.nav { display: flex; flex-wrap: wrap; gap: .75rem 1rem; align-items: center; }
.nav a { color: var(--muted); text-decoration: none; font-size: .92rem; font-weight: 600; }
.nav a:hover { color: var(--ink); }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: .4rem; border-radius: 999px; padding: .7rem 1.15rem;
  font-weight: 700; text-decoration: none; border: 1px solid transparent;
}
.btn--primary { background: var(--accent); color: #fff; }
.btn--primary:hover { background: #0d9488; color: #fff; }
.btn--ghost { background: #fff; border-color: var(--line); color: var(--ink); }
.btn--ghost:hover { border-color: #99f6e4; color: var(--accent); }

.hero { padding: 3.5rem 0 2.5rem; }
.hero__grid { display: grid; gap: 1.75rem; }
@media (min-width: 900px) {
  .hero__grid { grid-template-columns: 1.3fr .9fr; align-items: center; }
}
.eyebrow {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .35rem .7rem; border-radius: 999px;
  background: var(--accent-soft); color: #115e59;
  font-size: .75rem; font-weight: 700; letter-spacing: .02em;
}
.hero h1 {
  margin: .9rem 0 .75rem; font-size: clamp(1.9rem, 4vw, 3rem);
  line-height: 1.15; letter-spacing: -.03em;
}
.lead { font-size: 1.05rem; color: var(--muted); max-width: 42rem; }
.cta-row { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.4rem; }
.note { margin-top: 1rem; font-size: .9rem; color: var(--soft); }

.panel {
  background: var(--card); border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 4px);
  padding: 1.25rem; box-shadow: 0 18px 40px rgba(15, 23, 42, .06);
}
.panel h2 { margin: 0 0 .75rem; font-size: 1.05rem; }
.panel ol { margin: 0; padding-left: 1.1rem; color: var(--muted); }
.panel li + li { margin-top: .45rem; }

.section { padding: 2.75rem 0; }
.section__head { max-width: 40rem; margin-bottom: 1.5rem; }
.section__head h2, .section__head h1 { margin: 0 0 .5rem; font-size: clamp(1.4rem, 3vw, 1.9rem); letter-spacing: -.02em; }
.section__head p { margin: 0; color: var(--muted); }

.grid { display: grid; gap: 1rem; }
@media (min-width: 720px) { .grid--3 { grid-template-columns: repeat(3, 1fr); } .grid--2 { grid-template-columns: repeat(2, 1fr); } }
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.15rem 1.2rem;
}
.card h2, .card h3 { margin: 0 0 .45rem; font-size: 1.02rem; }
.card p, .card li { color: var(--muted); font-size: .95rem; }
.card ul { margin: .4rem 0 0; padding-left: 1.1rem; }

.steps { counter-reset: step; display: grid; gap: .85rem; }
.step {
  display: grid; grid-template-columns: auto 1fr; gap: .85rem;
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1rem 1.1rem;
}
.step::before {
  counter-increment: step; content: counter(step);
  width: 1.8rem; height: 1.8rem; border-radius: 999px;
  display: grid; place-items: center;
  background: var(--accent); color: #fff; font-weight: 800; font-size: .85rem;
}
.step h3 { margin: 0 0 .25rem; font-size: 1rem; }
.step p { margin: 0; color: var(--muted); font-size: .94rem; }

.legal {
  background: #fff; border-top: 1px solid var(--line);
  padding: 2.5rem 0 3.5rem;
}
.legal h1 { margin: 0 0 .5rem; font-size: clamp(1.6rem, 3vw, 2.2rem); }
.legal .meta { color: var(--soft); font-size: .9rem; margin-bottom: 1.5rem; }
.legal h2 { margin: 1.7rem 0 .55rem; font-size: 1.15rem; }
.legal p, .legal li { color: var(--muted); }
.legal ul, .legal ol { padding-left: 1.15rem; }
.legal li + li { margin-top: .35rem; }
.prose { max-width: 48rem; }

.site-footer {
  border-top: 1px solid var(--line);
  background: #0f172a; color: #cbd5e1; padding: 2.2rem 0 1.5rem;
}
.site-footer a { color: #99f6e4; }
.footer-grid {
  display: grid; gap: 1.25rem;
}
@media (min-width: 800px) {
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
}
.site-footer h2, .site-footer h3 { color: #fff; margin: 0 0 .6rem; font-size: 1rem; }
.site-footer p, .site-footer li { font-size: .9rem; color: #94a3b8; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li + li { margin-top: .35rem; }
.footer-bottom {
  margin-top: 1.5rem; padding-top: 1rem; border-top: 1px solid rgba(148,163,184,.25);
  display: flex; flex-wrap: wrap; gap: .75rem; justify-content: space-between;
  font-size: .82rem; color: #64748b;
}
.disclaimer {
  margin-top: 1rem; padding: .85rem 1rem; border-radius: 10px;
  background: rgba(15,23,42,.35); color: #cbd5e1; font-size: .82rem;
}
.legal .disclaimer {
  background: #f1f5f9; color: var(--muted);
}

.skip-link {
  position: absolute; left: -999px; top: 0; background: #000; color: #fff; padding: .5rem .75rem;
}
.skip-link:focus { left: .5rem; z-index: 50; }

@media (max-width: 720px) {
  .nav .btn { width: 100%; }
}