:root {
  --bg: #f7f6f3;
  --bg-2: #efece6;
  --panel: #ffffff;
  --line: #e4e0d8;
  --line-strong: #cfc9bd;
  --text: #1c1b18;
  --muted: #5f5b53;
  --accent: #1d4ed8;
  --accent-hover: #1e3fae;
  --danger: #b42318;
  --radius: 12px;
  --header-h: 64px;
  --font: "Source Sans 3", "Segoe UI", sans-serif;
  --serif: "Source Serif 4", Georgia, serif;
  --shadow: 0 1px 2px rgba(28, 27, 24, 0.06), 0 12px 32px rgba(28, 27, 24, 0.06);
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.55;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--accent-hover); }
code {
  font-size: 0.88em;
  background: var(--bg-2);
  padding: 0.1em 0.35em;
  border-radius: 4px;
}

.skip {
  position: absolute;
  left: 1rem;
  top: -40px;
  background: var(--text);
  color: #fff;
  padding: 0.5rem 0.8rem;
  z-index: 100;
  border-radius: 8px;
  font-weight: 600;
}
.skip:focus { top: 0.6rem; }

.wrap {
  width: min(1080px, calc(100% - 2rem));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(247, 246, 243, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-h);
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text);
  text-decoration: none;
  font-weight: 650;
  letter-spacing: -0.02em;
}
.brand-mark { width: 28px; height: 28px; display: block; }
.nav { display: flex; align-items: center; gap: 0.15rem; }
.nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 0.45rem 0.7rem;
  border-radius: 8px;
  font-size: 0.95rem;
}
.nav a:hover,
.nav a[aria-current="page"] { color: var(--text); background: var(--bg-2); }
.cart-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text);
  text-decoration: none;
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  font-size: 0.9rem;
}
.cart-link:hover { border-color: var(--line-strong); color: var(--text); }
.cart-count {
  min-width: 1.2rem;
  height: 1.2rem;
  border-radius: 999px;
  background: var(--text);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 700;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 44px;
  padding: 0.6rem 1.05rem;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: var(--panel);
  color: var(--text);
  font: inherit;
  font-size: 0.95rem;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { background: var(--bg-2); color: var(--text); }
.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  font-weight: 600;
}
.btn-primary:hover { background: var(--accent-hover); color: #fff; }
.btn-sm { min-height: 38px; padding: 0.35rem 0.8rem; font-size: 0.88rem; }
.btn-danger { border-color: #f0c0bc; color: var(--danger); }

.hero { padding: 3.2rem 0 2.4rem; }
.hero-split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2.4rem;
  align-items: center;
}
.hero-visual {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg-2);
  box-shadow: var(--shadow);
}
.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 280px;
}
.eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 0.7rem;
  font-weight: 600;
}
h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 550;
  letter-spacing: -0.025em;
  line-height: 1.2;
  margin: 0 0 0.7rem;
}
h1 { font-size: clamp(2rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.45rem, 2.6vw, 2rem); }
h3 { font-size: 1.15rem; }
.lede {
  max-width: 38rem;
  color: var(--muted);
  font-size: 1.12rem;
  margin: 0;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.5rem;
}

.section { padding: 2.6rem 0 3.4rem; }
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 1rem;
  margin-bottom: 1.4rem;
}
.section-head p { color: var(--muted); margin: 0; max-width: 36rem; }

.grid-3, .catalog-grid {
  display: grid;
  gap: 1.1rem;
}
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.catalog-grid { grid-template-columns: minmax(0, 1fr); max-width: 640px; }

.card, .panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.product-card { overflow: hidden; display: flex; flex-direction: column; }
.card-media {
  position: relative;
  display: block;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--bg-2);
}
.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.chip {
  position: absolute;
  left: 0.8rem;
  top: 0.8rem;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: #fff;
  color: var(--muted);
  border: 1px solid var(--line);
  padding: 0.22rem 0.5rem;
  border-radius: 999px;
}
.card-body { padding: 1rem 1.05rem 1.15rem; display: flex; flex-direction: column; gap: 0.4rem; flex: 1; }
.card-body h3 { margin: 0; }
.card-body h3 a { color: var(--text); text-decoration: none; }
.card-body h3 a:hover { color: var(--accent); }
.card-body p { margin: 0; color: var(--muted); font-size: 0.95rem; flex: 1; }
.card-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  margin-top: 0.55rem;
}
.price { font-family: var(--serif); font-size: 1.2rem; }

.product-hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1.4rem;
  padding: 2rem 0 2.4rem;
}
.product-visual {
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--bg-2);
}
.product-visual img {
  width: 100%;
  height: 100%;
  min-height: 280px;
  object-fit: cover;
}
.product-buy { padding: 1.3rem; }
.product-buy .badge {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.35rem;
  font-weight: 600;
}
.buy-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin: 1.1rem 0 0.55rem;
}
.fine { color: var(--muted); font-size: 0.88rem; }
.feature-list {
  margin: 1.1rem 0 0;
  padding: 0;
  list-style: none;
}
.feature-list li {
  padding: 0.4rem 0 0.4rem 1rem;
  position: relative;
}
.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.85rem;
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: var(--accent);
}

.video-stage {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: #111;
}
.video-frame {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #000;
}
.video-frame iframe,
.video-frame video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}
.video-meta {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1rem;
  color: var(--muted);
  font-size: 0.86rem;
  background: var(--panel);
  border-top: 1px solid var(--line);
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 1rem 0 1.3rem;
  align-items: center;
}
[data-filters] { display: contents; }
.filter-btn, .search {
  min-height: 42px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  padding: 0.35rem 0.9rem;
  font: inherit;
}
.filter-btn[aria-pressed="true"] {
  border-color: var(--text);
  background: var(--text);
  color: #fff;
}
.search { min-width: min(100%, 220px); }

.cart-layout {
  display: grid;
  grid-template-columns: 1.4fr 0.7fr;
  gap: 1.2rem;
  padding: 1.2rem 0 3.5rem;
}
.cart-line {
  display: grid;
  grid-template-columns: 112px 1fr auto;
  gap: 1rem;
  padding: 1rem;
  margin-bottom: 0.8rem;
}
.cart-line img {
  width: 112px;
  height: 76px;
  object-fit: cover;
  border-radius: 8px;
}
.qty {
  width: 4.2rem;
  min-height: 40px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  padding: 0.3rem 0.5rem;
  font: inherit;
}
.summary { padding: 1.2rem; height: fit-content; position: sticky; top: calc(var(--header-h) + 1rem); }
.summary dl { display: grid; grid-template-columns: 1fr auto; gap: 0.4rem 1rem; margin: 0 0 1rem; }
.summary dt { color: var(--muted); }
.banner {
  border: 1px solid #ead8a6;
  color: #6a5416;
  background: #fff8e8;
  padding: 0.8rem 1rem;
  border-radius: 10px;
  margin-bottom: 1rem;
  font-size: 0.92rem;
}
.empty { padding: 2.2rem 1.2rem; text-align: center; color: var(--muted); }

.step { padding: 1.15rem; }
.page-hero { padding: 2.2rem 0 0.3rem; }

.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.8rem 0 2.2rem;
  color: var(--muted);
  font-size: 0.9rem;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.site-footer a { color: var(--muted); text-decoration: none; }
.site-footer a:hover { color: var(--text); }

.toast {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  background: var(--text);
  color: #fff;
  padding: 0.75rem 1rem;
  border-radius: 10px;
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: 0.25s ease;
  z-index: 80;
}
.toast.is-on { opacity: 1; transform: none; }
.setup-modal {
  position: fixed;
  inset: 0;
  background: rgba(28, 27, 24, 0.45);
  display: grid;
  place-items: center;
  padding: 1rem;
  z-index: 90;
}
.setup-card {
  width: min(560px, 100%);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.4rem;
  box-shadow: var(--shadow);
}
.setup-card ol { padding-left: 1.2rem; }
.setup-actions { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 1rem; }

.lab-split {
  display: grid;
  gap: 1.2rem;
  grid-template-columns: 1.2fr 0.8fr;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.menu-toggle {
  display: none;
  min-width: 44px;
  min-height: 44px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
}

@media (max-width: 900px) {
  .hero-split, .grid-3, .catalog-grid, .product-hero, .cart-layout, .lab-split { grid-template-columns: 1fr; }
  .nav { display: none; }
  .nav.is-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    padding: 0.6rem;
  }
  .menu-toggle { display: inline-flex; }
}

.wing-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.7rem;
}
.wing-list li {
  display: flex;
  gap: 0.8rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.9rem 1rem;
}
.wing-list li strong { display: block; font-family: var(--serif); font-weight: 550; }
.wing-list li p { margin: 0.2rem 0 0; }
.wing-roman {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  min-width: 1.6rem;
  padding-top: 0.2rem;
}
.open-list {
  margin: 0;
  padding: 0 0 0 1.2rem;
  display: grid;
  gap: 0.55rem;
}
.open-list li {
  color: var(--muted);
}
.product-gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.7rem;
  margin: 0 0 2rem;
}
.product-gallery img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}

@media (max-width: 900px) {
  .wing-list, .product-gallery { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .toast { transition: none; }
}