:root {
  --ink: #0f172a;
  --ink-2: #334155;
  --muted: #64748b;
  --line: #e2e8f0;
  --bg: #ffffff;
  --bg-soft: #f8fafc;
  --brand: #1d4ed8;
  --brand-dark: #1e40af;
  --brand-tint: #eff6ff;
  --radius: 14px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--brand); }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 760px; }

/* nav */
.nav { position: sticky; top: 0; z-index: 10; background: rgba(255,255,255,.9); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--ink); text-decoration: none; letter-spacing: -.01em; }
.brand img { width: 30px; height: 30px; border-radius: 7px; }
.nav ul { display: flex; gap: 28px; list-style: none; margin: 0; padding: 0; }
.nav ul a { color: var(--ink-2); text-decoration: none; font-size: 15px; font-weight: 500; }
.nav ul a:hover { color: var(--brand); }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 44px; padding: 0 20px; border-radius: 10px; font-weight: 600; font-size: 15px; text-decoration: none; border: 1px solid transparent; cursor: pointer; }
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-dark); }
.btn-ghost { background: #fff; color: var(--ink); border-color: #cbd5e1; }
.btn-ghost:hover { border-color: var(--ink-2); }
.btn-sm { height: 38px; padding: 0 16px; font-size: 14px; }

/* hero */
.hero { padding: 72px 0 56px; background: linear-gradient(180deg, var(--bg-soft), #fff); }
.hero .wrap { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: center; }
.eyebrow { font-size: 13px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--brand); margin: 0 0 14px; }
h1 { font-size: clamp(34px, 5vw, 52px); line-height: 1.08; letter-spacing: -.025em; margin: 0; }
.lead { font-size: 19px; color: var(--ink-2); margin: 20px 0 0; max-width: 520px; }
.cta { display: flex; gap: 12px; margin-top: 28px; flex-wrap: wrap; }
.fine { font-size: 13px; color: var(--muted); margin-top: 14px; }
.hero-art { display: flex; justify-content: center; }
.hero-art img { width: 100%; max-width: 420px; border-radius: 14px; border: 1px solid var(--line); box-shadow: 0 30px 60px -20px rgba(15,23,42,.35); }

.trust { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fff; }
.trust .wrap { display: flex; gap: 32px; justify-content: center; flex-wrap: wrap; padding-top: 18px; padding-bottom: 18px; font-size: 14px; color: var(--ink-2); font-weight: 500; }

section { padding: 80px 0; }
section.soft { background: var(--bg-soft); }
h2 { font-size: clamp(28px, 3.4vw, 38px); letter-spacing: -.02em; line-height: 1.15; margin: 0; }
.section-lead { color: var(--ink-2); font-size: 18px; max-width: 640px; margin: 14px 0 0; }
.center { text-align: center; }
.center .section-lead { margin-left: auto; margin-right: auto; }

.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 44px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.card h3 { margin: 0 0 8px; font-size: 17px; }
.card p { margin: 0; color: var(--ink-2); font-size: 15px; }
.num { width: 32px; height: 32px; border-radius: 50%; background: var(--brand-tint); color: var(--brand); font-weight: 700; display: flex; align-items: center; justify-content: center; margin-bottom: 14px; }

.shot { border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 24px 50px -24px rgba(15,23,42,.35); overflow: hidden; background: #fff; }
.split { display: grid; grid-template-columns: .9fr 1.1fr; gap: 48px; align-items: center; }
.split ul { padding-left: 18px; color: var(--ink-2); }
.split li { margin: 8px 0; }
.sheets { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 24px; }
.sheet { padding: 14px 16px; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.sheet b { display: block; font-size: 15px; }
.sheet span { font-size: 13.5px; color: var(--muted); }

/* pricing */
.plans { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; max-width: 760px; margin: 44px auto 0; }
.plan { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 32px; }
.plan.pro { border: 2px solid var(--brand); position: relative; }
.plan .tag { position: absolute; top: -13px; left: 24px; background: var(--brand); color: #fff; font-size: 12px; font-weight: 700; padding: 4px 10px; border-radius: 999px; letter-spacing: .04em; }
.plan h3 { margin: 0; font-size: 18px; }
.price { font-size: 44px; font-weight: 700; letter-spacing: -.03em; margin: 10px 0 4px; }
.price small { font-size: 16px; font-weight: 500; color: var(--muted); letter-spacing: 0; }
.plan ul { list-style: none; padding: 0; margin: 20px 0 26px; }
.plan li { padding: 7px 0 7px 26px; position: relative; color: var(--ink-2); font-size: 15px; }
.plan li:before { content: ""; position: absolute; left: 2px; top: 13px; width: 12px; height: 7px; border-left: 2px solid var(--brand); border-bottom: 2px solid var(--brand); transform: rotate(-45deg); }
.plan .btn { width: 100%; }

details { border-bottom: 1px solid var(--line); padding: 18px 0; }
summary { cursor: pointer; font-weight: 600; font-size: 17px; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
summary::-webkit-details-marker { display: none; }
summary:after { content: "+"; color: var(--muted); font-size: 22px; line-height: 1; }
details[open] summary:after { content: "\2212"; }
details p { color: var(--ink-2); margin: 12px 0 0; }

footer { border-top: 1px solid var(--line); padding: 40px 0; background: var(--bg-soft); font-size: 14px; color: var(--muted); }
footer .wrap { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
footer a { color: var(--ink-2); text-decoration: none; margin-right: 18px; }
footer a:hover { color: var(--brand); }
.disclaimer { max-width: 560px; }

/* legal pages */
.doc { padding: 56px 0 80px; }
.doc h1 { font-size: 36px; }
.doc h2 { font-size: 22px; margin-top: 36px; }
.doc p, .doc li { color: var(--ink-2); }
.doc .updated { color: var(--muted); font-size: 14px; margin-top: 8px; }
.doc table { border-collapse: collapse; width: 100%; margin: 12px 0; font-size: 15px; }
.doc th, .doc td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; vertical-align: top; }
.doc th { background: var(--bg-soft); }

:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }

@media (max-width: 860px) {
  .hero .wrap, .split { grid-template-columns: 1fr; }
  .grid3, .plans { grid-template-columns: 1fr; }
  .nav ul { display: none; }
  .hero { padding-top: 48px; }
  section { padding: 56px 0; }
  .sheets { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }