:root {
  color-scheme: light dark;
  --page: #f5f6f8;
  --surface: #ffffff;
  --surface-raised: #eef0f5;
  --ink: #171923;
  --muted: #545d70;
  --line: #d4d8e1;
  --cyan: #087f8b;
  --violet: #6847a9;
  --soft-accent: #e6f6f7;
  --shadow: 0 1.2rem 3rem rgb(27 35 54 / 7%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--page);
  line-height: 1.6;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

@media (prefers-color-scheme: dark) {
  :root {
    --page: #0b0d13;
    --surface: #11151f;
    --surface-raised: #171c28;
    --ink: #f3f5fc;
    --muted: #adb6c8;
    --line: #2b3344;
    --cyan: #56e1ee;
    --violet: #b994ff;
    --soft-accent: #10232a;
    --shadow: 0 1.2rem 3rem rgb(0 0 0 / 24%);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: radial-gradient(ellipse at 78% -8%, color-mix(in srgb, var(--violet) 12%, transparent), transparent 36rem), var(--page); }
a { color: var(--cyan); text-underline-offset: .2em; }
a:hover { text-decoration-thickness: .14em; }
a:focus-visible { outline: 3px solid var(--cyan); outline-offset: 4px; border-radius: 2px; }
.page-shell { width: min(100% - 2rem, 72rem); margin-inline: auto; }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; min-height: 5rem; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: .65rem; color: var(--ink); text-decoration: none; font-size: .9rem; font-weight: 750; letter-spacing: .1em; white-space: nowrap; }
.brand img { width: 2.1rem; height: 2.1rem; border-radius: .55rem; }
.brand span span { color: var(--cyan); }
.primary-nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .2rem .95rem; }
.primary-nav a { color: var(--muted); font-size: .84rem; text-decoration: none; }
.primary-nav a:hover, .primary-nav a[aria-current="page"] { color: var(--cyan); text-decoration: underline; }
.primary-nav .console-link { color: var(--ink); font-weight: 700; }
.hero { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(15rem, .75fr); align-items: center; gap: clamp(2rem, 7vw, 6rem); padding: clamp(3.5rem, 9vw, 7rem) 0 clamp(3rem, 7vw, 5rem); }
.eyebrow { margin: 0 0 .8rem; color: var(--cyan); font: 600 .72rem/1.4 ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: .12em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 12ch; margin-bottom: 1.2rem; font-size: clamp(2.8rem, 7.2vw, 5.7rem); line-height: .99; letter-spacing: -.065em; font-weight: 680; }
h1 em { color: var(--violet); font-style: normal; }
.hero-copy { max-width: 39rem; margin: 0; color: var(--muted); font-size: clamp(1.05rem, 2vw, 1.25rem); }
.hero-note { padding: 1.4rem; background: var(--surface); border: 1px solid var(--line); border-left: 3px solid var(--violet); box-shadow: var(--shadow); }
.hero-note strong { display: block; margin-bottom: .45rem; font-size: 1rem; }
.hero-note p { margin: 0; color: var(--muted); font-size: .9rem; }
.section { padding: clamp(2.6rem, 6vw, 4.5rem) 0; border-top: 1px solid var(--line); }
.section-heading { max-width: 43rem; margin-bottom: 1.7rem; }
h2 { margin-bottom: .5rem; font-size: clamp(1.8rem, 4vw, 2.6rem); line-height: 1.12; letter-spacing: -.045em; }
.section-heading > p:last-child { margin-bottom: 0; color: var(--muted); }
.feature-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .85rem; }
.feature { min-height: 11rem; padding: 1.4rem; background: var(--surface); border: 1px solid var(--line); }
.feature-number { display: block; margin-bottom: 1.15rem; color: var(--violet); font: 600 .72rem ui-monospace, SFMono-Regular, Consolas, monospace; }
.feature h3 { margin-bottom: .45rem; font-size: 1.12rem; }
.feature p { max-width: 34rem; margin: 0; color: var(--muted); font-size: .92rem; }
.boundary { display: grid; grid-template-columns: minmax(0, 1fr) minmax(15rem, .65fr); gap: 2rem; align-items: start; }
.boundary-copy { max-width: 45rem; color: var(--muted); }
.boundary-copy p:last-child { margin-bottom: 0; }
.status-card { padding: 1.2rem 1.3rem; background: var(--soft-accent); border: 1px solid var(--line); }
.status-card strong { display: block; margin-bottom: .3rem; }
.status-card p { margin: 0; color: var(--muted); font-size: .9rem; }
.payment-note { margin-top: 1rem; padding: 1rem 1.2rem; border: 1px dashed var(--line); color: var(--muted); font-size: .9rem; }
.payment-note strong { color: var(--ink); }
.site-footer { display: flex; align-items: flex-start; justify-content: space-between; gap: 2rem; padding: 1.6rem 0 2.5rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .8rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: .4rem 1rem; }
.footer-links a { color: var(--muted); }
.revision { margin: 0; white-space: nowrap; }
.skip-link { position: absolute; left: .75rem; top: .75rem; z-index: 2; padding: .6rem .8rem; transform: translateY(-180%); color: var(--page); background: var(--ink); }
.skip-link:focus { transform: none; }
@media (max-width: 760px) {
  .site-header { align-items: flex-start; flex-direction: column; justify-content: center; padding: 1rem 0; gap: .8rem; }
  .primary-nav { justify-content: flex-start; gap: .35rem 1rem; }
  .hero { grid-template-columns: 1fr; gap: 1.6rem; }
  .hero-note { max-width: 34rem; }
  .boundary { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .page-shell { width: min(100% - 1.25rem, 72rem); }
  .feature-grid { grid-template-columns: 1fr; }
  .feature { min-height: 0; }
  .site-footer { flex-direction: column; gap: 1rem; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

.legal { max-width: 52rem; margin-inline: auto; padding-block: 3rem; overflow-wrap: anywhere; }
.legal h1 { max-width: 24ch; font-size: clamp(2.1rem, 6vw, 3.8rem); line-height: 1.12; letter-spacing: -.04em; }
.legal h2 { font-size: clamp(1.4rem, 4vw, 1.9rem); }
.legal .section { padding-block: 1.6rem; }
.legal dt { margin-top: .8rem; font-weight: 700; }
.legal dd { margin-left: 0; }
.primary-nav a, .footer-links a { display: inline-flex; align-items: center; min-height: 2.75rem; }