:root {
  --ink: #0f172a; --ink-2: #334155; --muted: #64748b; --line: #e2e8f0; --bg: #ffffff; --bg-2: #f6f8fc;
  --brand: #2343d6; --brand-ink: #ffffff; --brand-soft: #eef2ff; --navy: #0f1b3d; --ok: #047857; --ok-soft: #ecfdf5;
  --radius: 14px; --shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 8px 24px rgba(15, 23, 42, .06);
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e5e9f2; --ink-2: #c3cad8; --muted: #94a0b8; --line: #243049; --bg: #0b1020; --bg-2: #111832;
    --brand: #6b85ff; --brand-ink: #0b1020; --brand-soft: #1a2350; --navy: #070b18; --ok: #34d399; --ok-soft: #0f2a22;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .35);
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--brand); }
img, svg { max-width: 100%; }
h1, h2, h3 { line-height: 1.2; letter-spacing: -.01em; margin: 0 0 .5em; }
h1 { font-size: clamp(2.1rem, 5vw, 3.3rem); letter-spacing: -.02em; }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.2rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }
.wrap { width: min(1120px, 100% - 32px); margin-inline: auto; }
.muted { color: var(--muted); }
.small { font-size: .88rem; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--brand); color: var(--brand-ink); padding: 8px 12px; border-radius: 8px; z-index: 10; }
.skip:focus { left: 8px; }
:focus-visible { outline: 3px solid var(--brand); outline-offset: 2px; border-radius: 4px; }

/* header */
.site-header { position: sticky; top: 0; z-index: 5; background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(160%) blur(10px); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px; flex-wrap: wrap; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; color: var(--ink); text-decoration: none; font-size: 1.05rem; }
.mark { display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 9px; background: var(--brand);
  color: var(--brand-ink); font-size: .72rem; letter-spacing: .02em; }
nav { display: flex; gap: 4px 18px; align-items: center; flex-wrap: wrap; }
nav a { color: var(--ink-2); text-decoration: none; font-size: .95rem; padding: 6px 0; }
nav a:hover { color: var(--brand); }
.nav-cta { background: var(--brand); color: var(--brand-ink) !important; padding: 8px 14px !important; border-radius: 10px; font-weight: 600; }

/* buttons */
.btn { display: inline-block; padding: 13px 20px; border-radius: 12px; font-weight: 650; text-decoration: none; border: 1px solid transparent; }
.btn-primary { background: var(--brand); color: var(--brand-ink); }
.btn-primary:hover { filter: brightness(1.08); }
.btn-ghost { color: var(--ink); border-color: var(--line); background: var(--bg); }
.btn-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 8px; }
.btn-row.center { justify-content: center; }
.narrow { max-width: 820px; }
.mt { margin-top: 14px; }

/* hero */
.hero { padding: clamp(48px, 8vw, 96px) 0 clamp(40px, 6vw, 72px); background:
  radial-gradient(1200px 400px at 85% -10%, var(--brand-soft), transparent 60%), var(--bg); }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: center; }
.eyebrow { display: inline-block; font-size: .82rem; font-weight: 700; color: var(--brand); background: var(--brand-soft);
  padding: 5px 10px; border-radius: 999px; margin-bottom: 18px; letter-spacing: .02em; }
.lede { font-size: 1.18rem; color: var(--ink-2); max-width: 36em; }
.check-card { background: var(--bg); border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); padding: 22px; }
.check-card h2 { font-size: 1rem; margin: 0 0 4px; }
.check-card .sub { font-size: .85rem; color: var(--muted); margin-bottom: 14px; }
.check-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.check-list li { display: flex; align-items: center; gap: 12px; padding: 11px 12px; border: 1px solid var(--line); border-radius: 12px; background: var(--bg-2); font-size: .96rem; }
.tick { flex: none; width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; background: var(--ok-soft); color: var(--ok); font-weight: 800; font-size: .8rem; }

/* sections */
section { padding: clamp(56px, 8vw, 96px) 0; }
.alt { background: var(--bg-2); border-block: 1px solid var(--line); }
.section-head { max-width: 680px; margin-bottom: 36px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.card { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.card p { color: var(--ink-2); margin: 0; font-size: .97rem; }
.icon { width: 40px; height: 40px; border-radius: 11px; display: grid; place-items: center; background: var(--brand-soft); color: var(--brand); margin-bottom: 14px; }
.icon svg { width: 22px; height: 22px; }
.step-n { font-weight: 800; color: var(--brand); font-size: .9rem; margin-bottom: 6px; letter-spacing: .04em; }
.who { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.chip { border: 1px solid var(--line); background: var(--bg); padding: 8px 14px; border-radius: 999px; font-size: .95rem; color: var(--ink-2); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.list-ticks { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.list-ticks li { padding-left: 32px; position: relative; color: var(--ink-2); }
.list-ticks li::before { content: "✓"; position: absolute; left: 0; top: 1px; width: 22px; height: 22px; border-radius: 50%;
  background: var(--ok-soft); color: var(--ok); display: grid; place-items: center; font-size: .75rem; font-weight: 800; }
details.faq { border: 1px solid var(--line); border-radius: 12px; background: var(--bg); padding: 16px 18px; margin-bottom: 12px; }
details.faq summary { cursor: pointer; font-weight: 650; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::after { content: "+"; color: var(--brand); font-weight: 800; }
details.faq[open] summary::after { content: "–"; }
details.faq p { margin: 12px 0 0; color: var(--ink-2); }
.cta { background: var(--navy); color: #e8edfb; border-radius: 22px; padding: clamp(32px, 6vw, 56px); text-align: center; }
.cta h2 { color: #fff; }
.cta p { color: #c3cbe6; max-width: 40em; margin-inline: auto; }
.cta .btn-primary { background: #fff; color: #0f1b3d; }
.cta .email { color: #fff; font-weight: 700; }

/* legal pages */
.doc { padding: clamp(40px, 6vw, 72px) 0; }
.doc .wrap { max-width: 780px; }
.doc h1 { font-size: clamp(1.9rem, 4vw, 2.6rem); }
.doc h2 { font-size: 1.35rem; margin-top: 2em; padding-top: .4em; border-top: 1px solid var(--line); }
.doc h3 { margin-top: 1.4em; }
.doc ul { padding-left: 1.2em; }
.doc li { margin-bottom: .4em; }
.doc table { width: 100%; border-collapse: collapse; margin: 1em 0 1.4em; font-size: .95rem; }
.doc th, .doc td { text-align: left; vertical-align: top; padding: 10px; border: 1px solid var(--line); }
.doc th { background: var(--bg-2); }
.doc .summary { background: var(--brand-soft); border-radius: 14px; padding: 18px 20px; }
.doc .summary p:last-child { margin: 0; }
.toc { columns: 2; padding-left: 1.2em; }

/* footer */
.site-footer { border-top: 1px solid var(--line); background: var(--bg-2); padding: 40px 0 28px; margin-top: 24px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1.4fr 1fr; gap: 28px; }
.footer-h { font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin-bottom: 10px; }
.site-footer p { margin: 0 0 6px; }
.legal-line { margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--line); }

@media (max-width: 900px) {
  .hero-grid, .split { grid-template-columns: 1fr; }
  .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .toc { columns: 1; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  nav a:not(.nav-cta) { display: none; }
  .doc table, .doc thead, .doc tbody, .doc tr, .doc th, .doc td { display: block; }
  .doc th { border-bottom: 0; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }