:root {
  --ink: #171717;
  --body: #4d4d4d;
  --mute: #8f8f8f;
  --hairline: #ebebeb;
  --canvas: #fafafa;
  --elevated: #ffffff;
  --link: #0070f3;
  --sans: "Geist", Arial, sans-serif;
  --mono: "Geist Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--canvas);
  color: var(--body);
  font: 16px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 { color: var(--ink); font-weight: 600; margin: 0; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* Header */
.nav {
  position: sticky; top: 0; z-index: 10;
  background: rgba(250, 250, 250, 0.85);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--hairline);
}
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { display: flex; align-items: center; gap: 8px; color: var(--ink); font-weight: 600; letter-spacing: -0.4px; }
.logo:hover { text-decoration: none; }
.nav-links { display: flex; gap: 20px; font-size: 14px; }
.nav-links a { color: var(--body); }
.nav-links a:hover { color: var(--ink); text-decoration: none; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  height: 44px; padding: 0 22px; border-radius: 100px;
  font-weight: 500; font-size: 15px; border: 1px solid var(--ink);
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--ink); color: #fff; }
.btn-primary:hover { background: #383838; }
.btn-secondary { background: var(--elevated); color: var(--ink); border-color: var(--hairline); }
.btn-secondary:hover { border-color: #d4d4d4; }

/* Hero */
.hero { position: relative; overflow: hidden; padding: 96px 0 80px; text-align: center; }
.hero::before {
  content: ""; position: absolute; inset: -40% -10% auto; height: 520px; z-index: -1;
  background:
    radial-gradient(40% 60% at 25% 50%, rgba(0, 124, 240, 0.18), transparent 70%),
    radial-gradient(35% 55% at 55% 40%, rgba(121, 40, 202, 0.16), transparent 70%),
    radial-gradient(35% 55% at 80% 55%, rgba(255, 0, 128, 0.12), transparent 70%);
  filter: blur(20px);
}
.eyebrow {
  font: 500 12px/1 var(--mono); text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--mute); margin-bottom: 20px;
}
.hero h1 { font-size: clamp(36px, 6vw, 56px); line-height: 1.05; letter-spacing: -0.045em; max-width: 820px; margin: 0 auto; }
.hero p.lead { font-size: 19px; max-width: 640px; margin: 24px auto 0; }
.cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 36px; }

/* Sections */
section { padding: 72px 0; border-top: 1px solid var(--hairline); }
section h2 { font-size: 32px; line-height: 40px; letter-spacing: -1.28px; margin-bottom: 12px; }
.section-lead { max-width: 640px; margin: 0 0 40px; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card {
  background: var(--elevated); border: 1px solid var(--hairline); border-radius: 12px;
  padding: 24px; box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}
.card h3 { font-size: 17px; letter-spacing: -0.3px; margin-bottom: 8px; }
.card p { margin: 0; font-size: 15px; }

.steps { counter-reset: step; list-style: none; padding: 0; margin: 0; display: grid; gap: 16px; grid-template-columns: repeat(4, 1fr); }
.steps li { counter-increment: step; }
.steps li::before {
  content: "0" counter(step); display: block; font: 500 12px var(--mono); color: var(--mute); margin-bottom: 10px;
}

.note {
  background: var(--elevated); border: 1px solid var(--hairline); border-radius: 12px;
  padding: 20px 24px; font-size: 15px;
}

/* Legal pages */
.doc { max-width: 760px; padding: 64px 24px 96px; margin: 0 auto; }
.doc h1 { font-size: 40px; line-height: 1.1; letter-spacing: -1.6px; }
.doc .updated { color: var(--mute); font: 13px var(--mono); margin: 12px 0 40px; }
.doc h2 { font-size: 22px; letter-spacing: -0.4px; margin: 40px 0 12px; }
.doc h3 { font-size: 17px; margin: 24px 0 8px; }
.doc ul { padding-left: 20px; }
.doc li { margin: 6px 0; }

/* Footer */
footer { border-top: 1px solid var(--hairline); padding: 32px 0 48px; font-size: 14px; color: var(--mute); }
footer .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
footer nav { display: flex; gap: 20px; flex-wrap: wrap; }
footer a { color: var(--body); }

@media (max-width: 860px) {
  .grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .wrap { padding: 0 16px; }
  .nav-links a.hide-sm { display: none; }
  .steps { grid-template-columns: 1fr; }
  .hero { padding: 64px 0 56px; }
  .doc { padding: 40px 16px 72px; }
}