:root {
  --bg: #0f1520;
  --card: #161f2e;
  --elevated: #1e2a3a;
  --border: #2a3a50;
  --text: #eef2f7;
  --text-secondary: #c2ccda;
  --red: #ed1c24;
  --red-hover: #ff3b42;
  --link: #ff8a8e;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}
img { display: block; max-width: 100%; height: auto; }
a { color: var(--link); }
a:hover { color: var(--text); }
:focus-visible { outline: 2px solid var(--text); outline-offset: 2px; }

.wrap { width: min(1120px, 100%); margin: 0 auto; padding: 0 20px; }
.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { left: 12px; top: 12px; z-index: 10; padding: 8px 12px; background: var(--elevated); color: var(--text); }

.site-header { position: sticky; top: 0; z-index: 5; background: var(--bg); border-bottom: 1px solid var(--border); }
.header-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 10px; padding-bottom: 10px; }
.brand { display: inline-block; flex-shrink: 0; border-radius: 4px; }
nav { display: flex; gap: 20px; }
nav a { color: var(--text-secondary); text-decoration: none; font-size: 15px; padding: 6px 0; border-bottom: 2px solid transparent; }
nav a:hover { color: var(--text); border-bottom-color: var(--red); }

h1 { font-size: clamp(32px, 5.5vw, 52px); line-height: 1.12; margin: 0 0 16px; max-width: 20ch; }
h2 { font-size: clamp(26px, 3.5vw, 34px); margin: 0 0 24px; }
h3 { font-size: 22px; margin: 0 0 10px; }
p { margin: 0 0 14px; }
ul { margin: 0 0 14px; padding-left: 20px; }
li { margin-bottom: 8px; }
address { font-style: normal; color: var(--text-secondary); }

.hero { padding: 72px 0 32px; background: linear-gradient(180deg, var(--card), var(--bg)); }
.eyebrow { color: var(--link); font-weight: 600; font-size: 14px; letter-spacing: .04em; text-transform: uppercase; }
.lead { font-size: 19px; color: var(--text-secondary); max-width: 62ch; }

.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.btn {
  display: inline-block;
  padding: 10px 18px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--elevated);
  color: var(--text);
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  transition: background .15s, border-color .15s;
}
.btn:hover { border-color: var(--text-secondary); color: var(--text); background: var(--border); }
.btn-primary { background: #c8151c; border-color: #c8151c; color: #fff; }
.btn-primary:hover { background: var(--red); border-color: var(--red-hover); color: #fff; }

.section { padding: 56px 0; }
.section-alt { background: var(--card); }
#products { padding-top: 8px; }

.product { background: var(--card); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; display: flex; flex-direction: column; }
.product-lead { margin-bottom: 20px; }
.product-body { padding: 22px; }
.product-media img { width: 100%; }
.media-light { background: #fff; }
.media-light img { max-height: 300px; width: auto; margin: 0 auto; }
.tag { color: var(--link); font-size: 13px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; margin-bottom: 4px; }
.note { color: var(--text-secondary); font-size: 15px; }
.product-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }

.specs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin: 16px 0; }
.specs div { background: var(--elevated); border-radius: 6px; padding: 10px 12px; }
.specs dt { color: var(--text-secondary); font-size: 13px; }
.specs dd { margin: 0; font-weight: 600; }

.flow { display: flex; align-items: center; justify-content: center; gap: 10px; min-height: 300px; padding: 20px; background: var(--elevated); }
.flow-node { padding: 12px 14px; background: var(--bg); border: 1px solid var(--border); border-radius: 8px; font-weight: 700; }
.flow-links { display: flex; flex-direction: column; gap: 6px; color: var(--link); font-size: 14px; font-weight: 600; text-align: center; white-space: nowrap; }

.card-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.card-grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card { display: block; padding: 20px; background: var(--elevated); border: 1px solid var(--border); border-radius: 10px; color: var(--text); text-decoration: none; }
.card p { color: var(--text-secondary); margin: 0; }
.card-static p { color: inherit; }
a.card { transition: border-color .15s; }
a.card:hover { border-color: var(--red); color: var(--text); }
#contact .card { background: var(--card); }

.site-footer { padding: 24px 0; border-top: 1px solid var(--border); color: var(--text-secondary); font-size: 14px; }

@media (max-width: 800px) {
  .product-grid, .card-grid, .card-grid-3 { grid-template-columns: minmax(0, 1fr); }
  .specs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero { padding: 48px 0 24px; }
  .section { padding: 40px 0; }
  .flow { min-height: 180px; }
}

@media (max-width: 480px) {
  .header-row { flex-direction: column; gap: 6px; }
  .site-header { position: static; }
  html { scroll-padding-top: 0; }
  .btn { flex: 1 1 100%; text-align: center; }
  .flow-node { padding: 10px; font-size: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}