:root {
  color-scheme: dark;
  --ink: #f4f2ff;
  --muted: #aaa5bc;
  --line: rgba(255,255,255,.13);
  --panel: rgba(16,14,25,.72);
  --violet: #b49aff;
  --cyan: #72e7e3;
}

* { box-sizing: border-box; }

html { background: #08070d; }

body {
  margin: 0;
  color: var(--ink);
  font: 16px/1.65 ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 15% 5%, rgba(128,75,255,.22), transparent 32rem),
    radial-gradient(circle at 90% 25%, rgba(36,210,202,.14), transparent 30rem),
    #08070d;
}

a { color: var(--cyan); text-underline-offset: .2em; }
a:hover { color: #a5fffb; }

.site-header, main, footer {
  width: min(1120px, calc(100% - 40px));
  margin-inline: auto;
}

.site-header {
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand {
  color: var(--ink);
  font-size: 1.2rem;
  font-weight: 760;
  letter-spacing: -.03em;
  text-decoration: none;
}

nav { display: flex; gap: 24px; }
nav a { color: var(--muted); text-decoration: none; }
nav a[aria-current="page"] { color: var(--ink); }

.hero { padding: clamp(84px, 14vw, 168px) 0 clamp(72px, 10vw, 120px); }
.hero.compact { padding-bottom: 64px; }

.eyebrow {
  margin: 0 0 14px;
  color: var(--violet);
  font-size: .78rem;
  font-weight: 750;
  letter-spacing: .14em;
  text-transform: uppercase;
}

h1, h2, h3 { line-height: 1.08; letter-spacing: -.035em; }
h1 { max-width: 850px; margin: 0; font-size: clamp(3.4rem, 9vw, 7.6rem); }
h2 { margin: 0 0 34px; font-size: clamp(2rem, 4vw, 3.4rem); }
h3 { margin: 0 0 12px; font-size: 1.35rem; }

.lede { max-width: 680px; margin: 28px 0 34px; color: var(--muted); font-size: clamp(1.12rem, 2vw, 1.4rem); }

.button {
  display: inline-block;
  padding: 13px 19px;
  border: 1px solid rgba(180,154,255,.55);
  border-radius: 999px;
  color: var(--ink);
  background: rgba(180,154,255,.12);
  font-weight: 700;
  text-decoration: none;
}
.button:hover { color: white; background: rgba(180,154,255,.2); }

.panel {
  margin-bottom: 24px;
  padding: clamp(28px, 5vw, 64px);
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--panel);
  backdrop-filter: blur(18px);
}

.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); }
.grid article { padding: 28px; background: #100e19; }
.grid p, .faq p, .prose p { color: var(--muted); }

details { padding: 22px 0; border-top: 1px solid var(--line); }
details:last-child { padding-bottom: 0; }
summary { cursor: pointer; font-size: 1.1rem; font-weight: 700; }
details p { max-width: 760px; margin-bottom: 0; }

.policy { max-width: 920px; }
.prose h2 { margin: 46px 0 10px; font-size: 1.65rem; }
.prose h2:first-child { margin-top: 0; }
.prose p { max-width: 760px; }

footer { padding: 46px 0 70px; color: var(--muted); }

@media (max-width: 640px) {
  .site-header, main, footer { width: min(100% - 28px, 1120px); }
  .grid { grid-template-columns: 1fr; }
  .grid article { padding: 22px; }
  .panel { border-radius: 20px; }
  nav { gap: 16px; }
}

@media (prefers-reduced-motion: no-preference) {
  .button { transition: background-color .2s ease, color .2s ease; }
}