:root {
  --ink: #101820;
  --muted: #5e6873;
  --line: #dfe5e8;
  --paper: #f7f9f6;
  --white: #ffffff;
  --signal: #d9ff38;
  --signal-2: #ffec3d;
  --steel: #8aa0ad;
  --radius: 8px;
  --shadow: 0 24px 70px rgba(16, 24, 32, .14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.55;
  background:
    linear-gradient(rgba(16, 24, 32, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 24, 32, .045) 1px, transparent 1px),
    var(--paper);
  background-size: 22px 22px;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.container { width: min(1180px, calc(100% - 32px)); margin-inline: auto; }

.top-bar {
  background: var(--ink);
  color: rgba(255,255,255,.78);
  font-size: 13px;
}
.top-bar__inner {
  min-height: 38px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}
.top-bar nav, .main-nav { display: flex; align-items: center; gap: 18px; }
.top-bar a:hover, .main-nav a:hover { color: var(--signal); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(247, 249, 246, .92);
  border-bottom: 1px solid rgba(16,24,32,.1);
  backdrop-filter: blur(18px);
}
.site-header__inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand__mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  color: var(--ink);
  background: repeating-linear-gradient(135deg, var(--signal) 0 10px, #111 10px 14px);
  border: 2px solid var(--ink);
  font-weight: 900;
}
.brand__logo {
  display:block;
  max-width:420px;
  max-height:72px;
  height:auto;
  object-fit:contain;
}
.brand strong { display: block; font-size: 22px; letter-spacing: 0; }
.brand small { display: block; color: var(--muted); font-size: 12px; }
.main-nav a { font-weight: 700; font-size: 14px; }
.menu-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); background: var(--white); }
.menu-toggle span { display: block; width: 20px; height: 2px; margin: 5px auto; background: var(--ink); }

.hero {
  min-height: 650px;
  display: grid;
  align-items: center;
  overflow: hidden;
  background:
    radial-gradient(circle at 75% 20%, rgba(217,255,56,.28), transparent 30%),
    linear-gradient(115deg, rgba(255,255,255,.9), rgba(255,255,255,.52));
}
.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr);
  align-items: center;
  gap: 54px;
  padding: 74px 0;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  width: 34px;
  height: 8px;
  background: repeating-linear-gradient(135deg, var(--signal) 0 8px, var(--ink) 8px 12px);
}
h1, h2, h3, p { margin-top: 0; }
.hero h1, .page-hero h1 {
  max-width: 820px;
  margin: 18px 0;
  font-size: clamp(42px, 7vw, 78px);
  line-height: .96;
  letter-spacing: 0;
}
.hero p, .page-hero p, .lead {
  max-width: 680px;
  color: var(--muted);
  font-size: 19px;
}
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 30px; }
.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: var(--radius);
  border: 1px solid var(--ink);
  font-weight: 900;
}
.btn--primary { background: var(--signal); color: var(--ink); box-shadow: 6px 6px 0 var(--ink); }
.btn--ghost { background: var(--white); }
.btn--dark { background: var(--ink); color: var(--white); border-color: var(--ink); }

.hero-card {
  position: relative;
  min-height: 460px;
  border: 1px solid rgba(16,24,32,.16);
  background: linear-gradient(145deg, #fefefe, #dce4e8);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.hero-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 0 40%, rgba(255,255,255,.75) 48%, transparent 56% 100%);
  animation: sweep 4.5s linear infinite;
}
.hero-card__beam {
  position: absolute;
  right: -90px;
  top: 30px;
  width: 360px;
  height: 360px;
  background: conic-gradient(from 210deg, rgba(217,255,56,.8), rgba(255,236,61,.45), transparent 48%);
  border-radius: 50%;
}
.hero-card__plate {
  position: absolute;
  left: 42px;
  top: 72px;
  width: 72%;
  padding: 36px;
  background: var(--ink);
  color: var(--white);
}
.hero-card__plate span { color: var(--signal); font-weight: 800; }
.hero-card__plate strong { display: block; font-size: 42px; line-height: 1; margin-top: 12px; }
.hero-card__tape {
  position: absolute;
  left: -30px;
  right: -30px;
  bottom: 74px;
  height: 96px;
  transform: rotate(-7deg);
  background: repeating-linear-gradient(135deg, var(--signal) 0 26px, var(--ink) 26px 42px);
  border-top: 7px solid rgba(255,255,255,.65);
  border-bottom: 7px solid rgba(255,255,255,.65);
}
@keyframes sweep { from { transform: translateX(-130%); } to { transform: translateX(130%); } }

.section { padding: 78px 0; }
.section--tight { padding: 28px 0; }
.section__head { margin-bottom: 28px; }
.section__head h2, .signal-band h2 { max-width: 800px; font-size: clamp(30px, 4vw, 48px); line-height: 1.04; }
.category-ribbon {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border: 1px solid var(--ink);
  background: var(--white);
}
.category-ribbon a {
  min-height: 88px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-right: 1px solid var(--ink);
  font-weight: 900;
}
.category-ribbon a:last-child { border-right: 0; }
.category-ribbon span { color: var(--muted); font-size: 12px; }
.category-ribbon a:hover { background: var(--signal); }

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.product-card {
  background: var(--white);
  border: 1px solid rgba(16,24,32,.14);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 10px 34px rgba(16,24,32,.08);
}
.product-card__media {
  aspect-ratio: 1.32;
  display: block;
  background: #e9eef0;
  overflow: hidden;
}
.product-card__media img { width: 100%; height: 100%; object-fit: cover; }
.product-card__body { padding: 22px; }
.product-card__body span { color: var(--muted); font-size: 12px; font-weight: 900; text-transform: uppercase; }
.product-card h3 { margin: 8px 0 10px; font-size: 21px; line-height: 1.14; }
.product-card p { color: var(--muted); margin-bottom: 0; }

.signal-band {
  background: var(--signal);
  border-block: 1px solid var(--ink);
}
.signal-band__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.page-hero { padding: 82px 0 58px; background: linear-gradient(135deg, rgba(255,255,255,.86), rgba(217,255,56,.16)); }
.narrow { max-width: 820px; }
.richtext h2 { margin-top: 28px; }
.richtext p { color: #34414b; }
.product-detail { padding: 70px 0; }
.product-detail__grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 48px; align-items: start; }
.product-detail__media { background: var(--white); border: 1px solid var(--line); box-shadow: var(--shadow); }
.product-detail__media img { width: 100%; aspect-ratio: 1.1; object-fit: cover; }
.product-gallery { display:grid; gap:14px; }
.product-thumbs {
  display:grid;
  grid-template-columns:repeat(5, 1fr);
  gap:10px;
}
.product-thumbs button {
  aspect-ratio:1;
  padding:0;
  border:2px solid transparent;
  border-radius:var(--radius);
  background:var(--white);
  overflow:hidden;
  cursor:pointer;
}
.product-thumbs button.is-active { border-color:var(--signal); box-shadow:0 0 0 2px var(--ink); }
.product-thumbs img { width:100%; height:100%; object-fit:cover; }
.breadcrumb { color: var(--muted); font-weight: 900; text-transform: uppercase; font-size: 12px; }
.product-detail h1 { font-size: clamp(34px, 5vw, 58px); line-height: 1; margin: 16px 0; }
.specs__box { padding: 26px; background: var(--white); border-left: 10px solid var(--signal); box-shadow: 0 10px 34px rgba(16,24,32,.08); }
.product-tabs__nav {
  display:flex;
  gap:10px;
  margin-bottom:16px;
  border-bottom:1px solid var(--line);
}
.product-tabs__nav button {
  min-height:48px;
  border:0;
  border-bottom:4px solid transparent;
  padding:0 18px;
  background:transparent;
  color:var(--muted);
  font-weight:900;
  cursor:pointer;
}
.product-tabs__nav button.is-active {
  color:var(--ink);
  border-bottom-color:var(--signal);
}
.product-tabs__panel { display:none; }
.product-tabs__panel.is-active { display:block; }
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.contact-card { min-height: 150px; padding: 24px; background: var(--white); border: 1px solid var(--line); }
.contact-card span { display: block; color: var(--muted); font-size: 12px; font-weight: 900; text-transform: uppercase; margin-bottom: 12px; }
.contact-card a, .contact-card strong { font-size: 22px; line-height: 1.15; }
.empty { grid-column: 1 / -1; padding: 24px; background: var(--white); border: 1px solid var(--line); }

.reflective-strip {
  height: 42px;
  background: repeating-linear-gradient(135deg, var(--signal) 0 30px, #111 30px 48px);
  border-block: 5px solid #fff;
}
.footer { background: var(--ink); color: rgba(255,255,255,.78); padding: 54px 0 24px; }
.footer__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 42px; }
.brand--footer { color: var(--white); margin-bottom: 18px; }
.footer h3 { color: var(--white); }
.footer a, .footer span { display: block; margin: 8px 0; }
.footer__bottom { margin-top: 34px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.14); display: flex; justify-content: space-between; }

@media (max-width: 900px) {
  .top-bar__inner { align-items: flex-start; flex-direction: column; padding: 10px 0; }
  .menu-toggle { display: block; }
  .main-nav {
    position: absolute;
    left: 16px;
    right: 16px;
    top: 78px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    background: var(--white);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
  }
  .main-nav.is-open { display: flex; }
  .hero__grid, .product-detail__grid { grid-template-columns: 1fr; }
  .hero-card { min-height: 360px; }
  .category-ribbon, .product-grid, .contact-grid, .footer__grid { grid-template-columns: 1fr; }
  .product-thumbs { grid-template-columns:repeat(4, 1fr); }
  .category-ribbon a { border-right: 0; border-bottom: 1px solid var(--ink); }
  .signal-band__inner, .footer__bottom { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 560px) {
  .container { width: min(100% - 24px, 1180px); }
  .hero { min-height: auto; }
  .hero__grid { padding: 48px 0; gap: 30px; }
  .hero h1, .page-hero h1 { font-size: 40px; }
  .hero-card__plate { left: 22px; width: calc(100% - 44px); padding: 24px; }
  .hero-card__plate strong { font-size: 32px; }
  .top-bar nav { flex-wrap: wrap; gap: 10px 14px; }
}