:root {
    --brand: #481068; --brand-2: #603080; --brand-soft: #f4eefa; --lav: #a070c0;
    --ink: #1a1424; --muted: #5d5469; --line: #e8e2ef; --bg: #ffffff; --surface: #faf8fc;
  }
  * { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body { margin: 0; font-family: Inter, system-ui, -apple-system, Segoe UI, sans-serif; color: var(--ink); background: var(--bg); line-height: 1.55; -webkit-font-smoothing: antialiased; }
  a { color: inherit; }
  .wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
  .ruo-bar { background: var(--brand); color: #fff; text-align: center; font-size: 13px; font-weight: 600; padding: 8px 16px; letter-spacing: .02em; }
  header { border-bottom: 1px solid var(--line); background: #fff; position: sticky; top: 0; z-index: 10; }
  header .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
  .logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 19px; letter-spacing: -.01em; text-decoration: none; color: var(--brand); }
  .logo svg { width: 30px; height: 30px; }
  nav a { text-decoration: none; font-weight: 600; font-size: 14px; color: var(--muted); margin-left: 22px; }
  nav a:hover { color: var(--brand); }
  .btn { display: inline-block; text-decoration: none; font-weight: 700; border-radius: 999px; padding: 13px 26px; font-size: 15px; transition: background .15s, color .15s, border-color .15s; }
  .btn-primary { background: var(--brand); color: #fff; }
  .btn-primary:hover { background: var(--brand-2); }
  .btn-ghost { border: 1.5px solid var(--line); color: var(--ink); background: #fff; }
  .btn-ghost:hover { border-color: var(--brand); color: var(--brand); }
  .hero { background: radial-gradient(ellipse at top, #efe4f8 0%, #ffffff 65%); padding: 72px 0 56px; text-align: center; }
  .eyebrow { display: inline-block; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .14em; color: var(--brand); background: var(--brand-soft); border: 1px solid #e3d5f0; border-radius: 999px; padding: 6px 14px; margin-bottom: 22px; }
  h1 { font-size: clamp(32px, 6vw, 56px); line-height: 1.07; letter-spacing: -.03em; margin: 0 auto; max-width: 820px; font-weight: 800; }
  h1 span { color: var(--brand); }
  .lead { font-size: clamp(16px, 2.2vw, 19px); color: var(--muted); max-width: 680px; margin: 20px auto 0; }
  .cta-row { margin-top: 32px; display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
  .facts { margin: 48px auto 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 16px; overflow: hidden; max-width: 900px; }
  .facts div { background: var(--surface); padding: 18px 12px; }
  .facts b { display: block; font-size: 18px; color: var(--brand); }
  .facts small { font-size: 12px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .08em; }
  section { padding: 64px 0; }
  .sec-head { display: flex; justify-content: space-between; align-items: flex-end; flex-wrap: wrap; gap: 12px; margin-bottom: 28px; }
  h2 { font-size: clamp(26px, 4vw, 38px); letter-spacing: -.02em; margin: 6px 0 0; font-weight: 800; }
  .kicker { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .14em; color: var(--brand); }
  .grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 18px; }
  .card { border: 1px solid var(--line); border-radius: 18px; overflow: hidden; display: flex; flex-direction: column; background: #fff; transition: border-color .15s, box-shadow .15s; }
  .card:hover { border-color: #cdb6e3; box-shadow: 0 8px 28px rgba(72,16,104,.08); }
  .card .img { background: var(--surface); aspect-ratio: 1; display: flex; align-items: center; justify-content: center; }
  .card img { width: 100%; height: 100%; object-fit: contain; }
  .card .body { padding: 16px 16px 18px; display: flex; flex-direction: column; flex: 1; }
  .card .cat { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); }
  .card h3 { font-size: 16px; margin: 4px 0 2px; }
  .card .spec { font-size: 13px; color: var(--muted); margin: 0 0 10px; }
  .card .price { font-weight: 800; color: var(--brand); font-size: 18px; margin-bottom: 4px; }
  .card .ruo { font-size: 11px; color: var(--muted); margin-bottom: 14px; }
  .card .btn { margin-top: auto; text-align: center; padding: 11px 16px; font-size: 14px; }
  .band { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .feat { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
  .feat div { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 22px; }
  .feat h3 { margin: 0 0 6px; font-size: 17px; }
  .feat p { margin: 0; color: var(--muted); font-size: 14.5px; }
  .faq { max-width: 780px; margin: 0 auto; }
  details { border: 1px solid var(--line); border-radius: 14px; padding: 0 20px; margin-bottom: 10px; background: #fff; }
  summary { cursor: pointer; font-weight: 700; padding: 17px 0; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
  summary::-webkit-details-marker { display: none; }
  summary::after { content: "+"; color: var(--brand); font-size: 20px; line-height: 1; }
  details[open] summary::after { content: "\2212"; }
  details p { margin: 0 0 18px; color: var(--muted); font-size: 14.5px; }
  details a, .feat a { color: var(--brand); }
  footer { border-top: 1px solid var(--line); padding: 44px 0 28px; font-size: 14px; color: var(--muted); }
  .foot { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 28px; }
  footer h4 { font-size: 12px; text-transform: uppercase; letter-spacing: .12em; color: var(--ink); margin: 0 0 12px; }
  footer ul { list-style: none; padding: 0; margin: 0; }
  footer li { margin-bottom: 8px; }
  footer a { text-decoration: none; }
  footer a:hover { color: var(--brand); }
  .legal { border-top: 1px solid var(--line); margin-top: 32px; padding-top: 20px; font-size: 12.5px; text-align: center; }
  @media (max-width: 760px) {
    nav { display: none; }
    .facts { grid-template-columns: repeat(2, 1fr); }
    .foot { grid-template-columns: 1fr; }
    .hero { padding: 52px 0 40px; }
    section { padding: 48px 0; }
  }

/* product pages */
.card .img { display: flex; }
.card h3 a { text-decoration: none; }
.card h3 a:hover { color: var(--brand); }
.pdp { padding: 40px 0 64px; }
.pdp-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.pdp-img { background: var(--surface); border: 1px solid var(--line); border-radius: 20px; aspect-ratio: 1; display: flex; align-items: center; justify-content: center; }
.pdp-img img { width: 100%; height: 100%; object-fit: contain; }
.crumbs { font-size: 13px; color: var(--muted); margin: 0 0 14px; }
.crumbs a { text-decoration: none; }
.crumbs a:hover { color: var(--brand); }
.pdp .cat { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); }
.pdp-title { font-size: clamp(28px, 4.5vw, 42px); line-height: 1.1; letter-spacing: -.02em; margin: 6px 0 10px; }
.pdp-price { font-size: 28px; font-weight: 800; color: var(--brand); }
.ruo-box { margin: 14px 0 0; font-size: 14px; font-weight: 600; background: var(--brand-soft); border: 1px solid #e3d5f0; border-radius: 12px; padding: 11px 14px; }
.pdp-desc { color: var(--muted); font-size: 16px; margin: 18px 0; }
.specs { width: 100%; border-collapse: collapse; font-size: 14px; margin-bottom: 24px; }
.specs th, .specs td { text-align: left; padding: 9px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.specs th { color: var(--muted); font-weight: 600; width: 38%; padding-right: 12px; }
.btn-lg { padding: 15px 30px; font-size: 16px; }
.pdp-note { font-size: 13px; color: var(--muted); margin: 10px 0 18px; }
.pdp-points { padding-left: 18px; margin: 0 0 16px; font-size: 14px; color: var(--muted); }
.pdp-points li { margin-bottom: 6px; }
.pdp-points a { color: var(--brand); }
.pdp-fine { font-size: 12px; color: var(--muted); }
@media (max-width: 760px) {
  .pdp-grid { grid-template-columns: 1fr; gap: 24px; }
  .pdp { padding-top: 24px; }
}