:root {
  --bg: #000;
  --text: rgba(255, 255, 255, 0.75);
  --heading: #fff;
  --muted: rgba(255, 255, 255, 0.55);
  --accent: #3139da;
  --accent-hover: #4048f0;
  --announce-bg: rgb(116, 205, 81);
  --announce-text: rgb(46, 45, 45);
  --border: rgba(255, 255, 255, 0.1);
  --field: rgba(255, 255, 255, 0.06);
  --error: #ff8a80;
  --success: rgb(116, 205, 81);
  --radius: 0.6rem;
  color-scheme: dark;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.8 "Quattrocento Sans", sans-serif;
  letter-spacing: 0.6px;
}

h1, h2, h3 { font-family: Trirong, serif; color: var(--heading); font-weight: 400; letter-spacing: 0.6px; line-height: 1.3; }
h1 { font-size: 2.6rem; margin: 0 0 0.5rem; }
h2 { font-size: 1.6rem; margin: 0 0 1rem; }
h3 { font-size: 1.2rem; margin: 0; }
a { color: var(--heading); }
[hidden] { display: none !important; }

.announcement {
  background: var(--announce-bg);
  color: var(--announce-text);
  font: 12.6px/1.4 Trirong, serif;
  letter-spacing: 1px;
  text-align: center;
  padding: 0.7rem 1rem;
}

.site-header {
  border-bottom: 1px solid var(--border);
  padding: 1.4rem 2rem;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1rem;
}
.site-header .brand {
  grid-column: 2;
  font: 1.6rem Trirong, serif;
  color: var(--heading);
  text-decoration: none;
  text-align: center;
}
.site-header .brand small { display: block; font-size: 0.75rem; letter-spacing: 3px; text-transform: uppercase; color: var(--muted); }
.site-nav { grid-column: 3; justify-self: end; display: flex; gap: 1.2rem; align-items: center; flex-wrap: wrap; }
.site-nav a, .site-nav button.link { color: var(--text); text-decoration: none; font-size: 0.95rem; }
.site-nav a:hover, .site-nav button.link:hover { color: var(--heading); text-decoration: underline; }
.cart-count { display: inline-block; min-width: 1.4rem; padding: 0 0.4rem; margin-left: 0.2rem; border-radius: 1rem; background: var(--accent); color: #fff; font-size: 0.75rem; text-align: center; line-height: 1.4rem; }

main { max-width: 100rem; margin: 0 auto; padding: 3rem 2rem 5rem; }
main.narrow { max-width: 46rem; }
.intro { max-width: 60rem; margin-bottom: 2.5rem; }

button, .button {
  display: inline-block;
  border: 0;
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  font: 700 1rem "Quattrocento Sans", sans-serif;
  letter-spacing: 1px;
  padding: 0.9rem 2rem;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
}
button:hover, .button:hover { background: var(--accent-hover); }
button:disabled { opacity: 0.5; cursor: not-allowed; }
button.secondary, .button.secondary { background: transparent; border: 1px solid rgba(255, 255, 255, 0.55); }
button.secondary:hover, .button.secondary:hover { border-color: #fff; }
button.link { background: none; padding: 0; font-weight: 400; letter-spacing: inherit; }

.message { padding: 0.9rem 1.2rem; border-radius: var(--radius); border: 1px solid var(--error); color: var(--error); margin: 0 0 1.5rem; }
.message.success { border-color: var(--success); color: var(--success); }

.gate {
  border: 0.2rem solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem;
  text-align: center;
  margin-bottom: 3rem;
}
.gate .actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; margin-top: 1.5rem; }

.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(28rem, 1fr)); gap: 2rem; }
.product-card {
  border: 0.2rem solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.product-card .media { aspect-ratio: 1; background: #111; display: grid; place-items: center; }
.product-card .media img { width: 100%; height: 100%; object-fit: cover; }
.product-card .media .placeholder { font: 1.2rem Trirong, serif; color: var(--muted); padding: 2rem; text-align: center; }
.product-card .body { padding: 1.5rem; display: flex; flex-direction: column; gap: 0.8rem; flex: 1; }
.product-card .price { font: 1.3rem Trirong, serif; color: var(--heading); }
.product-card .price small { font-size: 0.85rem; color: var(--muted); font-family: "Quattrocento Sans", sans-serif; }
.product-card .facts { display: grid; grid-template-columns: auto 1fr; gap: 0.1rem 1rem; margin: 0; font-size: 0.9rem; }
.product-card .facts dt { color: var(--muted); }
.product-card .facts dd { margin: 0; }
.product-card .description { font-size: 0.9rem; }
.product-card .description p { margin: 0 0 0.5rem; }
.product-card .note { font-size: 0.85rem; color: var(--muted); font-style: italic; }
.product-card .add { margin-top: auto; display: grid; gap: 0.8rem; }
.variant-row { border-top: 1px solid var(--border); padding-top: 0.8rem; }
.variant-row label { display: grid; grid-template-columns: minmax(0, 1fr) 6rem; gap: 0.8rem; align-items: center; }
.catalog-actions { display: flex; gap: 1rem; align-items: center; justify-content: center; flex-wrap: wrap; margin-top: 1rem; }
.locked-price { color: var(--muted); font-style: italic; }

form { display: grid; gap: 1.2rem; }
fieldset { border: 0.2rem solid var(--border); border-radius: var(--radius); padding: 1.5rem; margin: 0; display: grid; gap: 1rem; min-width: 0; }
legend { font: 1.2rem Trirong, serif; color: var(--heading); padding: 0 0.5rem; }
label { display: grid; gap: 0.3rem; font-size: 0.9rem; }
label.checkbox-line { display: flex; gap: 0.6rem; align-items: flex-start; }
.row { display: grid; grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr)); gap: 1rem; }
input, select, textarea {
  width: 100%;
  background: var(--field);
  color: var(--heading);
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 6px;
  font: 1rem "Quattrocento Sans", sans-serif;
  letter-spacing: 0.4px;
  padding: 0.75rem 0.9rem;
}
input[type="checkbox"], input[type="radio"] { width: auto; margin-top: 0.4rem; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
select option { background: #111; }
.hint { font-size: 0.82rem; color: var(--muted); margin: 0; }

.cart-layout { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 2.5rem; align-items: start; }
.cart-lines { list-style: none; margin: 0 0 1.5rem; padding: 0; display: grid; gap: 1rem; }
.cart-line { display: grid; grid-template-columns: 5rem 1fr auto; gap: 1rem; align-items: center; border-bottom: 1px solid var(--border); padding-bottom: 1rem; }
.cart-line img, .cart-line .thumb { width: 5rem; height: 5rem; object-fit: cover; border-radius: 6px; background: #111; }
.cart-line .controls { display: flex; gap: 0.6rem; align-items: center; margin-top: 0.4rem; }
.cart-line .controls input { width: 6rem; padding: 0.4rem 0.6rem; }
.cart-line .line-total { color: var(--heading); text-align: right; }
.summary { display: grid; grid-template-columns: 1fr auto; gap: 0.4rem 1rem; margin: 0; }
.summary dd { margin: 0; text-align: right; color: var(--heading); }
.summary .total { font: 1.25rem Trirong, serif; color: var(--heading); border-top: 1px solid var(--border); padding-top: 0.6rem; }
.progress { height: 0.5rem; border-radius: 1rem; background: var(--field); overflow: hidden; margin: 0.5rem 0; }
.progress span { display: block; height: 100%; background: var(--success); transition: width 0.3s; }
.sticky { position: sticky; top: 1.5rem; display: grid; gap: 1.2rem; }

#card-name, #card-number, #card-expiry, #card-cvv { min-height: 3.4rem; }
.payment-options { display: flex; gap: 1.5rem; }
.payment-options label { display: flex; gap: 0.5rem; align-items: center; }

.site-footer { border-top: 1px solid var(--border); padding: 2rem; text-align: center; font-size: 0.85rem; color: var(--muted); }

@media (max-width: 800px) {
  h1 { font-size: 2rem; }
  .site-header { grid-template-columns: 1fr; text-align: center; }
  .site-header .brand, .site-nav { grid-column: 1; justify-self: center; }
  main { padding: 2rem 1.2rem 4rem; }
  .cart-layout { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: 1fr; }
}