:root {
  --bg: #F4F5FA;
  --surface: #FFFFFF;
  --text: #0F172A;
  --muted: #5B6478;
  --faint: #8B93A7;
  --border: #E3E6EF;
  --primary: #4F46E5;
  --primary-soft: #EEF0FF;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0B0F1A; --surface: #141A2B; --text: #F1F5F9; --muted: #A3ADC2; --faint: #6F7A93; --border: #232C42; --primary: #8B88FF; --primary-soft: #22214A; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; -webkit-font-smoothing: antialiased; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 760px; margin: 0 auto; padding: 24px 20px 80px; }
header.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 8px 0 28px; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--text); font-weight: 800; font-size: 18px; letter-spacing: -0.2px; }
.brand img { width: 40px; height: 40px; border-radius: 11px; box-shadow: 0 6px 16px rgba(79,70,229,.25); }
nav a { margin-left: 16px; font-weight: 600; font-size: 14px; color: var(--muted); }
nav a.active { color: var(--primary); }
.hero { background: linear-gradient(135deg, #4F46E5, #8B5CF6); color: #fff; border-radius: 24px; padding: 32px 28px; margin-bottom: 20px; }
.hero h1 { margin: 0 0 8px; font-size: 30px; letter-spacing: -0.5px; }
.hero p { margin: 0; opacity: .9; line-height: 1.6; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 20px; padding: 24px; margin-bottom: 16px; }
.card h2 { margin: 0 0 12px; font-size: 18px; }
.card h3 { margin: 20px 0 6px; font-size: 15px; color: var(--muted); text-transform: uppercase; letter-spacing: .6px; font-size: 12px; }
.card p, .card li { line-height: 1.65; color: var(--muted); margin: 0 0 10px; }
.card ul { padding-left: 20px; }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 560px) { .grid { grid-template-columns: 1fr; } }
.tile { display: block; background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 18px; color: var(--text); }
.tile strong { display: block; margin-bottom: 4px; }
.tile span { color: var(--muted); font-size: 14px; }
details { border-top: 1px solid var(--border); padding: 14px 0; }
details:first-of-type { border-top: 0; }
summary { cursor: pointer; font-weight: 700; list-style: none; display: flex; justify-content: space-between; align-items: center; }
summary::after { content: "+"; color: var(--faint); font-weight: 400; font-size: 20px; }
details[open] summary::after { content: "–"; }
details p { margin-top: 10px; }
.steps { counter-reset: s; padding: 0; list-style: none; }
.steps li { counter-increment: s; position: relative; padding-left: 40px; margin-bottom: 12px; }
.steps li::before { content: counter(s); position: absolute; left: 0; top: 0; width: 26px; height: 26px; border-radius: 8px; background: var(--primary-soft); color: var(--primary); font-weight: 800; font-size: 13px; display: flex; align-items: center; justify-content: center; }
.contact a { display: inline-block; background: var(--primary); color: #fff; border-radius: 12px; padding: 10px 16px; font-weight: 700; margin: 4px 8px 4px 0; }
.contact a.secondary { background: var(--primary-soft); color: var(--primary); }
footer { margin-top: 32px; color: var(--faint); font-size: 13px; display: flex; flex-wrap: wrap; gap: 16px; }
footer a { color: var(--faint); }
@media (max-width: 520px) { header.top { flex-wrap: wrap; padding-bottom: 20px; } nav { display: flex; flex-wrap: wrap; gap: 4px 14px; } nav a { margin-left: 0; } }