:root {
  --ink: #15141f;
  --muted: #5c5b70;
  --bg: #f7f7fb;
  --card: #fff;
  --line: #e5e4ef;
  --accent: #6d4aff;
  --accent-dark: #5532e0;
  --blurple: #5865f2;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
}

a { color: var(--accent-dark); }

.wrap { max-width: 960px; margin: 0 auto; padding: 0 24px; }

header.top { display: flex; align-items: center; justify-content: space-between; padding: 20px 0; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 20px; color: var(--ink); text-decoration: none; }
.brand img { width: 34px; height: 34px; border-radius: 50%; }
nav a { margin-left: 20px; color: var(--muted); text-decoration: none; font-size: 15px; }
nav a:hover { color: var(--ink); }

.hero { padding: 64px 0 48px; text-align: center; }
.hero h1 { font-size: clamp(34px, 5vw, 54px); line-height: 1.1; margin: 0 auto 20px; max-width: 760px; letter-spacing: -0.02em; }
.hero p { font-size: 20px; color: var(--muted); max-width: 640px; margin: 0 auto 32px; }

.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 26px; border-radius: 12px;
  background: var(--blurple); color: #fff; font-weight: 600; text-decoration: none;
  box-shadow: 0 6px 20px rgba(88, 101, 242, 0.3);
}
.btn:hover { background: #4752c4; }
.btn svg { width: 22px; height: 22px; }
.hint { display: block; margin-top: 14px; font-size: 14px; color: var(--muted); }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; padding: 24px 0 56px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 24px; }
.card h3 { margin: 0 0 8px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 16px; }
.card .icon { font-size: 26px; margin-bottom: 10px; }

section h2 { font-size: 30px; letter-spacing: -0.01em; margin: 24px 0 8px; text-align: center; }
section > .lead { text-align: center; color: var(--muted); margin: 0 auto; max-width: 620px; }

.steps { counter-reset: step; list-style: none; padding: 0; margin: 28px auto 56px; max-width: 680px; }
.steps li { counter-increment: step; position: relative; padding: 0 0 22px 56px; }
.steps li::before {
  content: counter(step); position: absolute; left: 0; top: 0;
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--accent); color: #fff; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.steps b { display: block; }
.steps span { color: var(--muted); }

.cta { text-align: center; padding: 48px 24px; margin: 0 0 56px; background: #eeeaff; border-radius: 20px; }
.cta h2 { margin-top: 0; }

footer { border-top: 1px solid var(--line); padding: 28px 0 48px; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 20px; justify-content: space-between; }
footer a { color: var(--muted); margin-right: 18px; }

.doc { max-width: 760px; padding: 24px 0 64px; }
.doc h1 { font-size: 38px; margin: 16px 0 4px; letter-spacing: -0.01em; }
.doc .date { color: var(--muted); margin: 0 0 28px; }
.doc h2 { font-size: 22px; margin: 32px 0 8px; }
.doc table { width: 100%; border-collapse: collapse; font-size: 15px; margin: 12px 0; }
.doc th, .doc td { text-align: left; vertical-align: top; padding: 10px 12px; border-bottom: 1px solid var(--line); }
.doc th { background: #eeeaff; }
.doc code { background: #eeeaff; padding: 1px 6px; border-radius: 6px; font-size: 0.92em; }

@media (max-width: 600px) {
  nav a { margin-left: 12px; }
  .doc table { font-size: 14px; }
}