:root {
  --ground: #f5f6f3; --surface: #ffffff; --ink: #17211c; --muted: #58645e; --line: #dde2dc;
  --accent: #1f4d3a; --accent-ink: #ffffff; --tint: #e6ede8;
  --font: "Avenir Next", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--ground); color: var(--ink); font-family: var(--font); font-size: 16px; line-height: 1.5; }
a { color: inherit; }
img { display: block; max-width: 100%; height: auto; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.announcement-bar { margin: 0; padding: 8px 16px; background: var(--accent); color: var(--accent-ink); text-align: center; font-size: 14px; letter-spacing: 0.02em; }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 16px 32px; background: var(--surface); border-bottom: 1px solid var(--line); }
.site-header__brand { font-size: 20px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; text-decoration: none; }
.site-nav { display: flex; gap: 24px; font-size: 15px; }
.site-nav a { text-decoration: none; color: var(--muted); }
.site-nav a:hover { color: var(--ink); }

main { max-width: 1120px; margin: 0 auto; padding: 0 32px 64px; }
.button { display: inline-block; padding: 14px 28px; border: 0; border-radius: 4px; background: var(--accent); color: var(--accent-ink); font: inherit; font-weight: 600; text-decoration: none; text-align: center; cursor: pointer; }
.button:hover { background: #173b2c; }

.hero { display: flex; align-items: center; justify-content: space-between; gap: 32px; margin-top: 24px; padding: 28px 36px; background: var(--tint); border-radius: 6px; }
.hero__eyebrow { margin: 0 0 4px; font-size: 13px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); }
.hero__heading { margin: 0; font-size: 30px; line-height: 1.15; text-wrap: balance; }
.hero__subheading { margin: 6px 0 0; color: var(--muted); }
.hero--home { display: block; padding: 56px 48px; }
.hero--home .hero__heading { font-size: 44px; max-width: 16ch; }
.hero--home .hero__subheading { margin-bottom: 24px; max-width: 46ch; font-size: 18px; }

.product { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 48px; margin-top: 32px; align-items: start; }
.product__image { width: 100%; border-radius: 6px; }
.product__title { margin: 0; font-size: 36px; line-height: 1.1; }
.product__rating { margin: 8px 0 0; color: var(--muted); font-size: 15px; }
.product__price { margin: 16px 0 0; font-size: 26px; font-weight: 600; font-variant-numeric: tabular-nums; }
.product__inventory { margin: 8px 0 0; color: var(--accent); font-size: 15px; font-weight: 600; }
.product__sizes { margin: 24px 0 0; padding: 0; border: 0; }
.product__sizes legend { padding: 0; margin-bottom: 8px; font-size: 14px; font-weight: 600; }
.product__size-row { display: flex; gap: 8px; }
.product__size { position: relative; }
.product__size input { position: absolute; opacity: 0; inset: 0; }
.product__size span { display: block; min-width: 52px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 4px; background: var(--surface); text-align: center; font-size: 15px; }
.product__size input:checked + span { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
.product__size input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }
.product__add-to-cart { width: 100%; margin-top: 24px; font-size: 17px; }
.product__points { margin: 24px 0 0; padding: 0 0 0 18px; color: var(--muted); }
.product__points li + li { margin-top: 4px; }
.product__description { margin: 20px 0 0; max-width: 60ch; }

.section-heading { margin: 56px 0 20px; font-size: 24px; }
.reviews__list, .collection__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; margin: 0; padding: 0; list-style: none; }
.review, .card { padding: 20px; background: var(--surface); border: 1px solid var(--line); border-radius: 6px; }
.review__quote { margin: 0; }
.review__name { margin: 12px 0 0; color: var(--muted); font-size: 14px; }
.card__image { border-radius: 4px; margin-bottom: 14px; }
.card__title { margin: 0; font-size: 18px; }
.card__title a { text-decoration: none; }
.card__price { margin: 4px 0 0; color: var(--muted); font-variant-numeric: tabular-nums; }
.card--soon { color: var(--muted); }

.notice { margin: 64px auto 0; max-width: 46ch; text-align: center; }
.notice h1 { margin: 0 0 12px; font-size: 32px; }
.notice p { margin: 0 0 24px; color: var(--muted); }

.site-footer { padding: 24px 32px; border-top: 1px solid var(--line); background: var(--surface); }
.site-footer__note { margin: 0; color: var(--muted); font-size: 14px; text-align: center; }

@media (max-width: 760px) {
  .site-header { padding: 14px 16px; }
  .site-nav { gap: 16px; }
  main { padding: 0 16px 48px; }
  .hero { display: block; padding: 22px 20px; }
  .hero__cta { margin-top: 16px; }
  .hero--home { padding: 36px 20px; }
  .hero--home .hero__heading { font-size: 32px; }
  .product { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .product__title { font-size: 30px; }
  .reviews__list, .collection__grid { grid-template-columns: minmax(0, 1fr); }
}