:root {
  --ground: #0B1F33;
  --panel: #12304C;
  --line: #24476B;
  --accent: #5FD4CC;
  --text: #FFFFFF;
  --muted: #B4C6D8;
  --danger: #FFB4A8;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--ground); color: var(--text);
  font-family: 'Space Grotesk', system-ui, sans-serif; font-size: 17px; line-height: 1.5;
}
a { color: var(--accent); }
a:hover { color: #FFFFFF; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
main.wrap { padding-top: 32px; padding-bottom: 64px; min-height: 60vh; }

/* Header */
.top { border-bottom: 1px solid var(--line); }
.bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 24px; padding-top: 16px; padding-bottom: 16px; }
.logo { display: flex; align-items: center; gap: 6px; text-decoration: none; color: var(--text); }
.logo svg { width: 40px; height: 40px; flex: none; }
.logo svg path { fill: none; stroke: var(--accent); stroke-width: 9; stroke-linecap: round; stroke-linejoin: round; }
.logo-text { display: flex; flex-direction: column; line-height: 1; }
.logo-text b { font-size: 30px; letter-spacing: 3px; }
.logo-text i { font-style: normal; font-size: 11px; font-weight: 500; letter-spacing: 6px; color: var(--accent); margin-top: 3px; }
.top nav { display: flex; flex-wrap: wrap; gap: 4px 8px; }
.top nav a { color: var(--text); text-decoration: none; padding: 10px 12px; min-height: 44px; }
.top nav a:hover { color: var(--accent); }
.top nav a.cart-link { border: 1px solid var(--accent); border-radius: 6px; color: var(--accent); }
.notice { background: var(--panel); color: var(--muted); text-align: center; font-size: 14px; letter-spacing: 1px; padding: 8px 20px; }

/* Text */
h1 { font-size: clamp(28px, 4vw, 42px); line-height: 1.15; margin: 0 0 16px; }
h2 { font-size: 22px; margin: 28px 0 8px; }
small { color: var(--accent); letter-spacing: 3px; text-transform: uppercase; font-size: 12px; }
.meta { color: var(--muted); font-size: 15px; }
.hero { padding: 24px 0 32px; max-width: 760px; }
.hero p { color: var(--muted); font-size: 19px; margin: 0; }
.text { max-width: 760px; }

/* Category tabs */
.cats { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 24px; }
.cats a { padding: 10px 16px; min-height: 44px; border: 1px solid var(--line); border-radius: 999px; text-decoration: none; color: var(--text); }
.cats a.on, .cats a:hover { border-color: var(--accent); color: var(--accent); }

/* Product grid */
.grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.card { display: flex; flex-direction: column; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; text-decoration: none; color: var(--text); }
.card:hover { border-color: var(--accent); color: var(--text); }
.card-body { padding: 16px; display: flex; flex-direction: column; gap: 4px; }
.card h2 { margin: 4px 0 0; font-size: 20px; }
.card p { margin: 0; }
.thumb { aspect-ratio: 4 / 3; background: #0E2740; display: flex; align-items: center; justify-content: center; color: var(--muted); font-size: 14px; }
.thumb img { width: 100%; height: 100%; object-fit: cover; }
.thumb.big { border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.price { color: var(--accent); font-weight: 700; font-size: 20px; }
.price.large { font-size: 30px; margin: 12px 0; }

/* Product page */
.product { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 32px; align-items: start; }
.specs { display: grid; grid-template-columns: max-content 1fr; gap: 6px 20px; margin: 12px 0; }
.specs dt { color: var(--muted); }
.specs dd { margin: 0; }
.buy { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin: 16px 0; }
.buy input { width: 84px; }
.desc { margin-top: 20px; color: var(--muted); }
.warn { margin-top: 20px; padding: 12px 16px; border: 1px solid var(--line); border-radius: 8px; color: var(--muted); font-size: 15px; }

/* Forms and buttons */
input, select, textarea {
  font: inherit; color: var(--text); background: #0E2740; border: 1px solid var(--line);
  border-radius: 6px; padding: 10px 12px; min-height: 44px; width: 100%;
}
input[type="checkbox"] { width: 22px; height: 22px; min-height: 0; flex: none; accent-color: var(--accent); }
input[type="number"] { width: 84px; }
input:focus, select:focus, textarea:focus, button:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
button, .button {
  display: inline-block; font: inherit; font-weight: 700; cursor: pointer; text-decoration: none;
  background: var(--accent); color: var(--ground); border: 1px solid var(--accent);
  border-radius: 6px; padding: 10px 20px; min-height: 44px;
}
button:hover, .button:hover { background: #FFFFFF; border-color: #FFFFFF; color: var(--ground); }
button.ghost { background: transparent; color: var(--accent); font-weight: 500; }
button.ghost:hover { background: transparent; color: #FFFFFF; border-color: #FFFFFF; }
.form { display: flex; flex-direction: column; gap: 14px; max-width: 560px; }
.form.narrow { max-width: 360px; }
.form label { display: flex; flex-direction: column; gap: 6px; color: var(--muted); }
.form label.check, label.check { flex-direction: row; align-items: flex-start; gap: 10px; color: var(--text); }
fieldset { border: 1px solid var(--line); border-radius: 8px; padding: 14px 16px; display: flex; flex-direction: column; gap: 12px; margin: 0; }
legend { color: var(--muted); padding: 0 6px; }
form.inline { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
form.inline select { width: auto; }
.errors { border: 1px solid var(--danger); color: var(--danger); border-radius: 8px; padding: 12px 16px; margin: 0 0 20px; }
.errors ul { margin: 0; padding-left: 20px; }

/* Tables */
.table-scroll { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; min-width: 520px; }
.table th, .table td { text-align: left; padding: 12px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
.table th { color: var(--muted); font-weight: 500; font-size: 14px; letter-spacing: 1px; text-transform: uppercase; }
.total { font-size: 20px; }

/* Checkout */
.checkout { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 32px; align-items: start; }
.summary { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 20px; }
.summary h2 { margin-top: 0; }
.summary p { display: flex; justify-content: space-between; gap: 16px; margin: 8px 0; }
.summary .total { border-top: 1px solid var(--line); padding-top: 12px; font-weight: 700; }
.pay { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 20px; margin-top: 24px; max-width: 760px; }
.pay h2 { margin-top: 0; }
code { font-size: 16px; word-break: break-all; color: var(--accent); }

/* Footer */
.foot { border-top: 1px solid var(--line); padding: 24px 0 40px; color: var(--muted); font-size: 14px; }
.foot strong { color: var(--text); }

.quality { color: var(--accent); font-weight: 500; }
.hero .quality { color: var(--accent); font-size: 17px; margin-top: 12px; }
.per { color: var(--muted); font-weight: 400; font-size: 15px; }
.thumb svg.vial { width: 100%; height: 100%; display: block; }
.summary p.delivery { display: block; }

/* Four products per row on every screen size; details are on the product page. */
.card h2 { overflow-wrap: anywhere; }
@media (max-width: 720px) {
  main.wrap { padding-left: 12px; padding-right: 12px; }
  .grid { gap: 8px; }
  .card { border-radius: 8px; }
  .card .thumb { aspect-ratio: 3 / 4; }
  .card-body { padding: 8px 6px 10px; gap: 2px; }
  .card h2 { font-size: 12px; line-height: 1.25; margin: 0; }
  .card .meta { display: none; }
  .card .price { font-size: 13px; }
  .card .per { display: block; font-size: 10px; }
}
.flag { width: 1.5em; height: 1em; vertical-align: -0.15em; border-radius: 2px; }
details summary { cursor: pointer; color: var(--accent); padding: 10px 0; }
details fieldset { margin-top: 8px; }