@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

:root {
  --red: #ef1717;
  --red-dark: #9e0000;
  --white: #f5f5f5;
  --muted: #a6a6a6;
  --black: #050505;
  --panel: #0d0d0d;
  --line: #252525;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; font-family: Inter, system-ui, sans-serif;
  background: var(--black); color: var(--white); line-height: 1.6;
}
body:before {
  content: ""; position: fixed; inset: 0; pointer-events: none; opacity: .22;
  background-image: linear-gradient(transparent 96%, rgba(255,0,0,.06) 97%),
                    linear-gradient(90deg, transparent 96%, rgba(255,0,0,.04) 97%);
  background-size: 48px 48px; z-index: -1;
}
.site-header {
  position: sticky; top: 0; z-index: 10; display: flex; justify-content: space-between;
  align-items: center; padding: 18px 5vw; background: rgba(5,5,5,.88);
  backdrop-filter: blur(12px); border-bottom: 1px solid var(--line);
}
.brand { font-size: 25px; font-weight: 900; letter-spacing: -1.5px; color: white; text-decoration: none; }
.brand-51 { color: var(--red); margin-right: 2px; }
nav { display: flex; gap: 26px; }
nav a { color: #ddd; text-decoration: none; font-size: 14px; font-weight: 600; }
nav a:hover { color: var(--red); }
.hero {
  min-height: 86vh; display: grid; grid-template-columns: .85fr 1.15fr; gap: 5vw;
  align-items: center; padding: 70px 5vw; border-bottom: 1px solid var(--line);
}
.eyebrow { color: var(--red); font-size: 12px; font-weight: 800; letter-spacing: 3px; margin: 0 0 12px; }
h1 { font-size: clamp(52px, 7vw, 94px); line-height: .95; letter-spacing: -5px; margin: 0 0 25px; }
h1 span { color: var(--red); }
h2 { font-size: clamp(36px, 5vw, 58px); line-height: 1; letter-spacing: -3px; margin: 0 0 20px; }
.lead { max-width: 530px; color: var(--muted); font-size: 18px; }
.hero-actions { display: flex; gap: 12px; margin-top: 30px; flex-wrap: wrap; }
.button {
  display: inline-block; padding: 13px 20px; border-radius: 5px; text-decoration: none;
  font-size: 14px; font-weight: 800; text-transform: uppercase; letter-spacing: .7px;
}
.primary { background: var(--red); color: white; }
.secondary { border: 1px solid #444; color: white; }
.hero-art img { width: 100%; max-height: 690px; object-fit: contain; display: block; }
.section { padding: 100px 5vw; max-width: 1400px; margin: auto; }
.section-heading { text-align: center; max-width: 700px; margin: 0 auto 45px; }
.section-heading > p:last-child, .split p, .contact > p { color: var(--muted); }
.product-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px;
}
.product {
  min-height: 150px; padding: 25px; background: linear-gradient(145deg,#111,#080808);
  border: 1px solid var(--line); border-radius: 8px; position: relative; overflow: hidden;
}
.product:after {
  content: ""; position: absolute; width: 100px; height: 100px; right: -35px; bottom: -45px;
  background: var(--red); filter: blur(45px); opacity: .18;
}
.product h3 { margin: 0 0 35px; font-size: 17px; }
.product span { color: var(--red); font-size: 15px; font-weight: 800; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 8vw; border-top: 1px solid var(--line); }
.notice { border-left: 3px solid var(--red); padding-left: 18px; }
.faq { max-width: 850px; margin: auto; }
details { border-top: 1px solid var(--line); padding: 22px 0; }
details:last-child { border-bottom: 1px solid var(--line); }
summary { cursor: pointer; font-weight: 700; }
details p { color: var(--muted); max-width: 700px; }
.contact { text-align: center; padding-bottom: 120px; }
footer {
  border-top: 1px solid var(--line); padding: 35px 5vw; display: flex;
  justify-content: space-between; gap: 30px; color: var(--muted); font-size: 12px;
}
@media (max-width: 850px) {
  nav { gap: 13px; }
  nav a { font-size: 12px; }
  .hero { grid-template-columns: 1fr; padding-top: 50px; }
  .hero-art { order: -1; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; gap: 20px; }
  footer { flex-direction: column; }
}
@media (max-width: 520px) {
  nav { display: none; }
  .product-grid { grid-template-columns: 1fr; }
  h1 { letter-spacing: -3px; }
}