:root {
  --ink: #12245c;
  --text: #1f2933;
  --muted: #52606d;
  --brand: #1f5eff;
  --soft: #f0f4ff;
  --line: #d9e2ec;
  --bg: #ffffff;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
}
a { color: var(--brand); }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }
header.top {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid var(--line);
}
header.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { font-weight: 700; color: var(--ink); text-decoration: none; font-size: 20px; }
nav a { margin-left: 20px; color: var(--text); text-decoration: none; font-size: 15px; }
nav a.cta { color: #fff; }
.button {
  display: inline-block; padding: 12px 22px; border-radius: 8px;
  background: var(--brand); color: #fff; text-decoration: none; font-weight: 600;
}
.button.ghost { background: transparent; color: var(--brand); border: 1px solid var(--brand); }
.hero { padding: 72px 0 56px; background: linear-gradient(180deg, var(--soft), #fff); }
.hero h1 { font-size: 44px; line-height: 1.15; color: var(--ink); margin: 0 0 16px; max-width: 780px; }
.hero p.lead { font-size: 20px; color: var(--muted); max-width: 720px; margin: 0 0 28px; }
.hero .actions a { margin-right: 12px; margin-bottom: 8px; }
.hero small { display: block; margin-top: 14px; color: var(--muted); }
section { padding: 56px 0; }
section h2 { font-size: 30px; color: var(--ink); margin: 0 0 12px; }
section p.intro { color: var(--muted); max-width: 720px; margin: 0 0 32px; font-size: 17px; }
.grid { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.card { border: 1px solid var(--line); border-radius: 12px; padding: 22px; background: #fff; }
.card h3 { margin: 0 0 8px; color: var(--ink); font-size: 18px; }
.card p { margin: 0; color: var(--muted); }
.band { background: var(--soft); }
.chat {
  border: 1px solid var(--line); border-radius: 12px; background: #fff; padding: 18px;
  max-width: 560px; font-size: 15px;
}
.chat .me { text-align: right; margin: 8px 0; }
.chat .me span, .chat .ai span { display: inline-block; padding: 10px 14px; border-radius: 12px; }
.chat .me span { background: var(--brand); color: #fff; }
.chat .ai span { background: var(--soft); color: var(--text); }
.split { display: grid; gap: 32px; grid-template-columns: 1fr 1fr; align-items: center; }
.prices { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.price { border: 1px solid var(--line); border-radius: 12px; padding: 26px; }
.price.featured { border: 2px solid var(--brand); }
.price h3 { margin: 0; color: var(--ink); }
.price .amount { font-size: 34px; font-weight: 700; color: var(--ink); margin: 10px 0 2px; }
.price ul { padding-left: 18px; color: var(--muted); }
.note { color: var(--muted); font-size: 14px; margin-top: 16px; }
details { border-bottom: 1px solid var(--line); padding: 14px 0; }
summary { cursor: pointer; font-weight: 600; color: var(--ink); }
footer { border-top: 1px solid var(--line); padding: 28px 0; color: var(--muted); font-size: 14px; }
footer a { margin-right: 16px; color: var(--muted); }
article.legal { max-width: 760px; padding: 48px 20px; margin: 0 auto; }
.draft { background: #fffbe6; border: 1px solid #ffe58f; padding: 12px 16px; border-radius: 8px; }
@media (max-width: 760px) {
  .hero h1 { font-size: 32px; }
  .split { grid-template-columns: 1fr; }
  nav a:not(.cta) { display: none; }
}