/* Single-product storefront — shared stylesheet. Per-product theme via --accent set inline. */
* { box-sizing: border-box; margin: 0; }
:root {
  --ink: #1c1917;
  --ink-soft: #57534e;
  --paper: #fafaf9;
  --card: #ffffff;
  --line: #e7e5e4;
  --accent: #0f766e;      /* overridden per product */
  --accent-ink: #ffffff;
  --radius: 10px;
}
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
}
.wrap { max-width: 1060px; margin: 0 auto; padding: 0 20px; }
.wrap.narrow { max-width: 640px; }
h1 { font-size: clamp(1.9rem, 4.5vw, 3rem); line-height: 1.12; letter-spacing: -0.01em; text-wrap: balance; }
h2 { font-size: clamp(1.4rem, 3vw, 2rem); line-height: 1.2; margin-bottom: .5rem; text-wrap: balance; }

.site-head { border-bottom: 1px solid var(--line); background: var(--card); position: sticky; top: 0; z-index: 20; }
.site-head .wrap { display: flex; align-items: center; justify-content: space-between; padding-top: 10px; padding-bottom: 10px; }
.wordmark { font-weight: 700; letter-spacing: 0.02em; }
.head-cta { color: var(--accent); font-weight: 600; text-decoration: none; }

.hero { padding: 48px 0 40px; }
.hero-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 36px; align-items: center; }
.hero-media img { width: 100%; height: auto; border-radius: var(--radius); }
.subhead { font-size: 1.1rem; color: var(--ink-soft); margin: 14px 0 18px; max-width: 34em; }
.hero-price { margin-bottom: 18px; }
.price { font-size: 1.5rem; font-weight: 700; }
.ship-note { color: var(--ink-soft); font-size: .92rem; }
.cta, .btn.buy {
  display: inline-block; background: var(--accent); color: var(--accent-ink);
  padding: 13px 26px; border-radius: 999px; font-weight: 700; font-size: 1.05rem;
  text-decoration: none; border: 0; cursor: pointer;
}
.cta:hover, .btn.buy:hover { filter: brightness(1.08); }
.trust-line { margin-top: 16px; font-size: .9rem; color: var(--ink-soft); max-width: 30em; }

.customizer-section { padding: 44px 0; background: var(--card); border-block: 1px solid var(--line); }
.section-sub { color: var(--ink-soft); margin-bottom: 22px; }
.customizer-grid { display: grid; grid-template-columns: minmax(0, 580px) minmax(260px, 1fr); gap: 28px; align-items: start; }
.canvas-wrap { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; }
.canvas-wrap canvas { display: block; }
.controls { display: flex; flex-direction: column; gap: 14px; }
.ctl span { display: block; font-size: .85rem; font-weight: 600; margin-bottom: 4px; color: var(--ink-soft); }
.ctl input, .ctl select {
  width: 100%; padding: 10px 12px; font-size: 1rem; border: 1px solid var(--line);
  border-radius: 8px; background: #fff; color: var(--ink);
}
.ctl input:focus, .ctl select:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.ctl-row { display: flex; gap: 10px; }
.btn.ghost {
  background: none; border: 1px solid var(--line); color: var(--ink);
  padding: 8px 14px; border-radius: 8px; cursor: pointer; font-size: .92rem;
}
.btn.ghost:hover { border-color: var(--accent); color: var(--accent); }
.hint { font-size: .85rem; color: var(--ink-soft); }
.buy-box { border-top: 1px solid var(--line); padding-top: 16px; display: flex; flex-direction: column; gap: 10px; }
.buy-price span { color: var(--ink-soft); font-size: .9rem; }
.btn.buy { width: 100%; text-align: center; }
.btn.buy:disabled { opacity: .6; cursor: wait; }
.pay-note { font-size: .8rem; color: var(--ink-soft); text-align: center; }
.err { color: #b91c1c; font-size: .9rem; }

.bullets { padding: 44px 0 20px; }
.bullets ul { list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; padding: 0; }
.bullets li { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.bullets li b { display: block; margin-bottom: 4px; }

.faq { padding: 34px 0; }
.faq details { border-bottom: 1px solid var(--line); padding: 12px 0; }
.faq summary { font-weight: 600; cursor: pointer; }
.faq details p { margin-top: 8px; color: var(--ink-soft); }

.guarantee { padding: 20px 0 46px; }
.guarantee .wrap { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }

.site-foot { border-top: 1px solid var(--line); padding: 26px 0 40px; font-size: .85rem; color: var(--ink-soft); }
.site-foot p { margin-bottom: 6px; }
.site-foot a { color: inherit; }

.thanks-page { padding: 60px 0; }
.thanks-page h1 { margin-bottom: 12px; }
.preview-frame { margin: 22px 0; border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; background: var(--card); }
.next-steps { margin-top: 26px; }
.next-steps ol { padding-left: 20px; margin: 10px 0; }

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-media { order: -1; }
  .customizer-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 28px; }
}