:root {
  --bg: #ffffff;
  --bg-alt: #f2f5f9;
  --fg: #1c2733;
  --muted: #5b6b7c;
  --line: #d8e0e8;
  --accent: #0d47a1;
  --accent-fg: #ffffff;
  --link: #1565c0;
  --silver: #8a97a6;
  --gold: #c9a227;
  --platinum: #5c6bc0;
  --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f151c;
    --bg-alt: #16202b;
    --fg: #e4eaf0;
    --muted: #9aa9b8;
    --line: #2a3745;
    --accent: #42a5f5;
    --accent-fg: #0b1622;
    --link: #64b5f6;
  }
}
:root[data-theme="dark"] {
  --bg: #0f151c;
  --bg-alt: #16202b;
  --fg: #e4eaf0;
  --muted: #9aa9b8;
  --line: #2a3745;
  --accent: #42a5f5;
  --accent-fg: #0b1622;
  --link: #64b5f6;
}
:root { color-scheme: light; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) { color-scheme: dark; } }
:root[data-theme="dark"] { color-scheme: dark; }

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", sans-serif;
}
a { color: var(--link); }
img { max-width: 100%; height: auto; }
h1, h2, h3 { line-height: 1.25; }
h1 { font-size: clamp(1.9rem, 5vw, 2.8rem); margin: 0 0 .4em; }
h2 { font-size: 1.35rem; margin: 1.6em 0 .6em; }
.small { font-size: .88rem; color: var(--muted); }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }
.prose { max-width: 760px; }
.prose ul { padding-left: 1.2em; }
.page { padding-top: 24px; padding-bottom: 48px; }

.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 8px; background: var(--bg); padding: 8px; z-index: 10; }

.site-header { border-bottom: 1px solid var(--line); background: var(--bg); position: sticky; top: 0; z-index: 5; }
.bar { display: flex; align-items: center; gap: 16px; min-height: 60px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; color: var(--fg); text-decoration: none; font-size: 1.1rem; }
.brand img { border-radius: 7px; }
.bar nav { display: flex; gap: 16px; margin-left: auto; flex-wrap: wrap; }
.bar nav a { color: var(--fg); text-decoration: none; font-size: .95rem; }
.bar nav a[aria-current] { color: var(--link); font-weight: 600; }
.lang { position: relative; }
.lang summary { cursor: pointer; list-style: none; border: 1px solid var(--line); border-radius: 6px; padding: 2px 10px; font-size: .9rem; }
.lang summary::-webkit-details-marker { display: none; }
.lang ul { position: absolute; right: 0; top: calc(100% + 6px); margin: 0; padding: 6px 0; list-style: none; background: var(--bg); border: 1px solid var(--line); border-radius: 8px; min-width: 150px; box-shadow: 0 6px 20px rgba(0,0,0,.15); }
.lang li a { display: block; padding: 6px 14px; text-decoration: none; color: var(--fg); }
.lang li a[aria-current] { font-weight: 700; }

.hero { background: linear-gradient(180deg, var(--bg-alt), var(--bg)); padding: 40px 0 24px; }
.hero-grid { display: grid; grid-template-columns: 1fr; gap: 32px; align-items: center; }
.hero-shot { width: 260px; justify-self: center; border-radius: 18px; box-shadow: 0 12px 40px rgba(0,0,0,.25); }
@media (min-width: 800px) {
  .hero-grid { grid-template-columns: 1fr 300px; }
  .hero-shot { width: 300px; }
}
.tagline { font-size: 1.2rem; font-weight: 600; color: var(--muted); margin-top: 0; }

.stores { display: flex; gap: 12px; flex-wrap: wrap; margin: 20px 0 8px; }
.btn { display: inline-block; padding: 11px 18px; border-radius: var(--radius); border: 1px solid var(--line); color: var(--fg); text-decoration: none; font-weight: 600; }
.btn.primary { background: var(--accent); color: var(--accent-fg); border-color: var(--accent); }

.band { background: var(--bg-alt); padding: 8px 0 32px; margin: 32px 0; }
.cards { list-style: none; padding: 0; display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.cards li { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; }

.tiers { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.tier { border: 1px solid var(--line); border-top: 5px solid var(--accent); border-radius: var(--radius); padding: 4px 18px 12px; }
.tier-2 { border-top-color: var(--silver); }
.tier-3 { border-top-color: var(--gold); }
.tier-4 { border-top-color: var(--platinum); }
.tier h3 { margin: .8em 0 .2em; letter-spacing: .04em; }
.tier .sub { margin: 0; color: var(--muted); font-size: .9rem; }
.tier ul { padding-left: 1.1em; font-size: .95rem; }

.gallery { display: flex; gap: 16px; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 12px; }
.gallery img { width: 220px; flex: none; border-radius: 14px; scroll-snap-align: start; }

.faq-toc ul { list-style: none; padding: 0; margin: 8px 0 0; display: flex; flex-wrap: wrap; gap: 8px; }
.faq-toc a { display: inline-block; border: 1px solid var(--line); border-radius: 999px; padding: 4px 12px; background: var(--bg-alt); color: var(--fg); text-decoration: none; font-size: .92rem; }
.faq-toc .count { color: var(--muted); font-size: .85em; margin-left: 2px; }
.faq-group, .qa { scroll-margin-top: 76px; }
.faq-group h2 { margin-top: 1.8em; }
.qa { border: 1px solid var(--line); border-radius: var(--radius); margin: 8px 0; background: var(--bg); }
.qa summary { cursor: pointer; list-style: none; position: relative; padding: 12px 44px 12px 16px; }
.qa summary::-webkit-details-marker { display: none; }
.qa summary::after { content: "+"; position: absolute; right: 16px; top: 50%; transform: translateY(-50%); font-size: 1.4rem; line-height: 1; color: var(--muted); }
.qa[open] summary::after { content: "\2212"; }
.qa summary h3 { display: inline; margin: 0; font-size: 1.05rem; }
.qa-body { padding: 0 16px 6px; border-top: 1px solid var(--line); }
.crumbs { margin: 0; font-size: .9rem; }
.note { border-left: 4px solid var(--accent); background: var(--bg-alt); padding: 12px 16px; margin: 32px 0 0; font-size: .92rem; border-radius: 0 var(--radius) var(--radius) 0; }
table { border-collapse: collapse; width: 100%; font-size: .95rem; display: block; overflow-x: auto; }
th, td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: top; }
th { background: var(--bg-alt); }

.site-footer { border-top: 1px solid var(--line); margin-top: 48px; padding: 24px 0 40px; background: var(--bg-alt); }
.home h2 { text-transform: uppercase; font-size: 1.1rem; letter-spacing: .05em; }
.theme-toggle { background: none; border: 1px solid var(--line); border-radius: 6px; color: var(--fg); cursor: pointer; padding: 2px 8px; font-size: 1rem; line-height: 1.5; }
.theme-toggle .i-dark, .theme-toggle .i-light { display: none; }
.theme-toggle[data-mode="auto"] .i-auto, .theme-toggle[data-mode="light"] .i-light, .theme-toggle[data-mode="dark"] .i-dark { display: inline; }

.lang-banner { background: var(--bg-alt); border-bottom: 1px solid var(--line); font-size: .95rem; }
.lang-banner[hidden] { display: none; }
.lang-banner .wrap { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 14px; padding-top: 8px; padding-bottom: 8px; }
.lang-banner a { font-weight: 600; }
.lang-banner .close { margin-left: auto; background: none; border: 0; color: var(--muted); font-size: 1.4rem; line-height: 1; cursor: pointer; padding: 0 4px; }

.product-hero { display: grid; grid-template-columns: 1fr; gap: 24px; align-items: center; }
.product-shot { width: 100%; max-width: 460px; justify-self: center; border-radius: var(--radius); }
@media (min-width: 800px) { .product-hero { grid-template-columns: 1fr 420px; } }
.explainer { border-left: 4px solid var(--accent); background: var(--bg-alt); padding: 10px 16px; margin: 16px 0 24px; font-size: .95rem; border-radius: 0 var(--radius) var(--radius) 0; }