:root {
  color-scheme: dark;
  --bg: #07100d;
  --surface: #0d1a16;
  --surface-2: #12231d;
  --border: #244238;
  --text: #f1faf6;
  --muted: #a7bdb4;
  --accent: #55e6a5;
  --accent-dark: #0b3326;
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 78% -10%, rgba(57, 211, 148, .14), transparent 35rem),
    var(--bg);
  color: var(--text);
  font: 16px/1.65 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
a { color: var(--accent); text-underline-offset: .2em; }
a:hover { color: #8cf0c1; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; border-radius: 4px; }
.skip-link { position: absolute; left: -9999px; top: 1rem; z-index: 20; padding: .65rem 1rem; background: var(--text); color: var(--bg); }
.skip-link:focus { left: 1rem; }
.shell { width: min(calc(100% - 2rem), var(--max)); margin-inline: auto; }
.site-header { position: sticky; top: 0; z-index: 10; border-bottom: 1px solid rgba(72, 119, 101, .4); background: rgba(7, 16, 13, .88); backdrop-filter: blur(14px); }
.nav { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { display: inline-flex; align-items: center; gap: .75rem; color: var(--text); font-size: 1.08rem; font-weight: 800; text-decoration: none; letter-spacing: -.02em; }
.brand-mark { display: block; width: 40px; height: 40px; flex: none; }
.nav-links { display: flex; align-items: center; gap: 1.25rem; }
.nav-links a { color: var(--muted); font-size: .94rem; font-weight: 650; text-decoration: none; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--text); }
.hero { padding: clamp(5rem, 10vw, 8.5rem) 0 clamp(4rem, 8vw, 7rem); }
.eyebrow { display: inline-flex; align-items: center; gap: .5rem; margin: 0 0 1rem; color: var(--accent); font-size: .78rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 28px; height: 1px; background: currentColor; }
h1, h2, h3 { margin: 0; line-height: 1.12; letter-spacing: -.035em; }
h1 { max-width: 850px; font-size: clamp(3rem, 8vw, 6.4rem); }
h2 { font-size: clamp(2rem, 4vw, 3.25rem); }
h3 { font-size: 1.2rem; }
.hero-copy { max-width: 690px; margin: 1.5rem 0 0; color: var(--muted); font-size: clamp(1.05rem, 2vw, 1.3rem); }
.actions { display: flex; flex-wrap: wrap; gap: .85rem; margin-top: 2rem; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: .65rem 1.1rem; border: 1px solid var(--accent); border-radius: 10px; background: var(--accent); color: #042016; font-weight: 800; text-decoration: none; }
.button:hover { background: #8cf0c1; color: #042016; }
.button.secondary { background: transparent; color: var(--text); border-color: var(--border); }
.button.secondary:hover { border-color: var(--accent); color: var(--accent); }
.section { padding: clamp(3.5rem, 7vw, 6rem) 0; border-top: 1px solid rgba(72, 119, 101, .28); }
.section-heading { max-width: 680px; margin-bottom: 2rem; }
.section-heading p { color: var(--muted); }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.card { padding: 1.5rem; border: 1px solid var(--border); border-radius: 16px; background: linear-gradient(145deg, rgba(18, 35, 29, .92), rgba(9, 22, 17, .86)); }
.card-number { color: var(--accent); font-size: .78rem; font-weight: 800; letter-spacing: .1em; }
.card h3 { margin-top: .65rem; }
.card p { margin-bottom: 0; color: var(--muted); }
.callout { display: grid; grid-template-columns: 1fr 1.4fr; gap: 2rem; align-items: start; padding: clamp(1.5rem, 5vw, 3rem); border: 1px solid var(--border); border-radius: 20px; background: var(--surface); }
.callout p { margin-top: 0; color: var(--muted); }
.document-hero { padding: 4.5rem 0 2.5rem; }
.document-hero h1 { font-size: clamp(2.7rem, 7vw, 5rem); }
.last-updated { color: var(--muted); }
.document-layout { display: grid; grid-template-columns: 250px minmax(0, 720px); gap: clamp(2rem, 7vw, 6rem); align-items: start; padding-bottom: 6rem; }
.toc { position: sticky; top: 100px; padding: 1.25rem; border: 1px solid var(--border); border-radius: 14px; background: var(--surface); }
.toc strong { display: block; margin-bottom: .65rem; }
.toc a { display: block; padding: .28rem 0; color: var(--muted); font-size: .9rem; text-decoration: none; }
.toc a:hover { color: var(--accent); }
.document section { padding: 1.4rem 0; border-top: 1px solid rgba(72, 119, 101, .32); scroll-margin-top: 95px; }
.document section:first-child { border-top: 0; padding-top: 0; }
.document h2 { font-size: 1.65rem; }
.document h3 { margin-top: 1.5rem; }
.document p, .document li { color: #c5d6cf; }
.document li + li { margin-top: .45rem; }
.notice { margin: 1.5rem 0; padding: 1rem 1.1rem; border-left: 3px solid var(--accent); background: var(--accent-dark); border-radius: 0 10px 10px 0; }
.faq details { padding: 1rem 0; border-top: 1px solid var(--border); }
.faq summary { cursor: pointer; color: var(--text); font-weight: 750; }
.faq details p { margin-bottom: 0; }
.site-footer { border-top: 1px solid var(--border); padding: 2.25rem 0; color: var(--muted); font-size: .9rem; }
.footer-row { display: flex; justify-content: space-between; gap: 1rem; }
.footer-links { display: flex; gap: 1rem; }

@media (max-width: 760px) {
  .grid, .callout, .document-layout { grid-template-columns: 1fr; }
  .toc { position: static; }
  .nav { min-height: 64px; }
  .nav-links { gap: .75rem; }
  .nav-links a { font-size: .82rem; }
  .brand span { display: none; }
  .footer-row { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}