:root {
  --bg: #ffffff; --soft: #f6f6fa; --text: #191927; --muted: #5f5f74; --border: #e6e6ef;
  --accent: #4f46e5; --accent-dark: #3730a3; --accent-weak: #eef0ff; --ok: #15803d; --warn-weak: #fdf6e3;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0f1117; --soft: #161922; --text: #e6e8ef; --muted: #a0a6b8; --border: #272c39; --accent: #8b8cf8; --accent-dark: #c7c8ff; --accent-weak: #22244a; --ok: #4ade80; --warn-weak: #2b2410; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font: 17px/1.65 var(--font); color: var(--text); background: var(--bg); -webkit-font-smoothing: antialiased; }
a { color: var(--accent); }
img { max-width: 100%; height: auto; }
.wrap { max-width: 1060px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 760px; margin: 0 auto; padding: 0 20px; }
header.top { border-bottom: 1px solid var(--border); }
header.top .wrap { display: flex; align-items: center; gap: 18px; height: 62px; }
.brand { display: flex; align-items: center; gap: 9px; font-weight: 800; font-size: 19px; color: var(--text); text-decoration: none; }
.brand img { width: 30px; height: 30px; }
header.top nav { margin-left: auto; display: flex; gap: 18px; font-size: 15px; }
header.top nav a { color: var(--muted); text-decoration: none; }
header.top nav a:hover { color: var(--text); }
.hero { background: linear-gradient(135deg, #4f46e5 0%, #3730a3 60%, #312e81 100%); color: #fff; padding: 64px 0 0; overflow: hidden; }
.hero .wrap { text-align: center; }
.badge { display: inline-block; background: rgba(255,255,255,.16); border-radius: 99px; padding: 5px 14px; font-size: 14px; font-weight: 600; margin-bottom: 18px; }
.hero h1 { font-size: clamp(32px, 5.4vw, 54px); line-height: 1.08; margin: 0 0 16px; letter-spacing: -1px; }
.hero p.lead { font-size: clamp(18px, 2.4vw, 21px); color: #e0e7ff; max-width: 720px; margin: 0 auto 26px; }
.cta { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-bottom: 14px; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 20px; border-radius: 10px; font-weight: 700; font-size: 16px; text-decoration: none; border: 1px solid transparent; }
.btn.light { background: #fff; color: #312e81; }
.btn.ghost { border-color: rgba(255,255,255,.45); color: #fff; }
.btn.primary { background: var(--accent); color: #fff; }
.btn[aria-disabled="true"] { opacity: .65; pointer-events: none; }
.hero small { display: block; color: #c7d2fe; font-size: 14px; margin-bottom: 38px; }
.hero .shot { max-width: 1000px; margin: 0 auto; border-radius: 14px 14px 0 0; box-shadow: 0 -10px 60px rgba(10,10,40,.45); display: block; }
section { padding: 64px 0; }
section.soft { background: var(--soft); }
h2 { font-size: clamp(26px, 3.2vw, 34px); line-height: 1.2; letter-spacing: -.4px; margin: 0 0 14px; }
h3 { font-size: 20px; margin: 26px 0 8px; }
.grid3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 22px; margin-top: 26px; }
.card { background: var(--bg); border: 1px solid var(--border); border-radius: 14px; padding: 22px; }
section.soft .card { background: var(--bg); }
.card h3 { margin-top: 0; }
.card p { margin: 0; color: var(--muted); font-size: 16px; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.split img { border-radius: 12px; box-shadow: 0 10px 40px rgba(20,20,60,.18); }
@media (max-width: 800px) { .split { grid-template-columns: 1fr; } header.top nav { display: none; } }
ul.checks { list-style: none; padding: 0; }
ul.checks li { padding-left: 28px; position: relative; margin: 9px 0; }
ul.checks li::before { content: "✓"; position: absolute; left: 0; color: var(--ok); font-weight: 800; }
.price-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; margin-top: 24px; }
.price { font-size: 34px; font-weight: 800; }
.price small { font-size: 15px; color: var(--muted); font-weight: 500; }
table { border-collapse: collapse; width: 100%; font-size: 15.5px; margin: 14px 0 22px; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-size: 13px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
code { font: 14px ui-monospace, SFMono-Regular, Menlo, monospace; background: var(--soft); border: 1px solid var(--border); border-radius: 5px; padding: 1px 5px; word-break: break-all; }
article { padding: 44px 0 70px; }
article h1 { font-size: clamp(30px, 4.6vw, 44px); line-height: 1.12; letter-spacing: -.8px; margin: 0 0 14px; }
article .meta { color: var(--muted); font-size: 15px; margin-bottom: 26px; }
article h2 { margin-top: 40px; }
.note { background: var(--accent-weak); border-radius: 12px; padding: 16px 18px; margin: 22px 0; }
.note.warn { background: var(--warn-weak); }
.steps { counter-reset: s; list-style: none; padding: 0; }
.steps li { counter-increment: s; position: relative; padding-left: 46px; margin: 18px 0; }
.steps li::before { content: counter(s); position: absolute; left: 0; top: 0; width: 32px; height: 32px; border-radius: 50%; background: var(--accent-weak); color: var(--accent-dark); font-weight: 800; display: flex; align-items: center; justify-content: center; }
.faq details { border-bottom: 1px solid var(--border); padding: 14px 0; }
.faq summary { cursor: pointer; font-weight: 700; }
.faq details p { margin: 10px 0 0; color: var(--muted); }
footer { border-top: 1px solid var(--border); padding: 32px 0 46px; color: var(--muted); font-size: 14.5px; }
footer .wrap { display: flex; gap: 22px; flex-wrap: wrap; align-items: center; }
footer a { color: var(--muted); }
.guides a.card { text-decoration: none; color: inherit; display: block; }
.guides a.card:hover { border-color: var(--accent); }
.small { font-size: 14px; color: var(--muted); }