:root {
  --blue: #00569d;
  --blue-dark: #07375f;
  --navy: #0d2944;
  --teal: #00989a;
  --ink: #15263a;
  --muted: #647184;
  --line: #dce6ef;
  --paper: #ffffff;
  --wash: #f3f7fa;
  --shadow: 0 18px 50px rgba(13, 41, 68, 0.1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}
a { color: inherit; }
button, input { font: inherit; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

.site-header {
  min-height: 82px;
  padding: 14px clamp(20px, 5vw, 76px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand img { display: block; width: 150px; height: 54px; object-fit: contain; }
nav { display: flex; align-items: center; gap: 30px; }
nav a { color: var(--muted); font-weight: 700; text-decoration: none; }
nav a:hover { color: var(--blue); }
.nav-cta { border: 1px solid var(--blue); padding: 9px 18px; border-radius: 999px; color: var(--blue); }

main { overflow: hidden; }
.hero {
  padding: clamp(72px, 10vw, 132px) clamp(20px, 7vw, 110px);
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: clamp(48px, 8vw, 120px);
  align-items: center;
  background:
    radial-gradient(circle at 83% 18%, rgba(0, 152, 154, 0.17), transparent 24%),
    linear-gradient(135deg, #fff 0%, #f0f6fb 65%, #eaf6f5 100%);
}
.hero-copy { max-width: 760px; }
.eyebrow { margin: 0 0 14px; color: var(--teal); font-size: 0.78rem; font-weight: 800; letter-spacing: 0.14em; text-transform: uppercase; }
h1, h2, h3 { margin-top: 0; line-height: 1.12; }
h1 { margin-bottom: 24px; color: var(--navy); font-size: clamp(2.8rem, 6vw, 5.7rem); letter-spacing: -0.055em; }
h2 { margin-bottom: 18px; color: var(--navy); font-size: clamp(2rem, 4vw, 3.7rem); letter-spacing: -0.04em; }
h3 { margin-bottom: 10px; font-size: 1.35rem; }
.lead { max-width: 680px; margin: 0 0 34px; color: var(--muted); font-size: clamp(1.05rem, 2vw, 1.27rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 12px 23px; border-radius: 999px; font-weight: 800; text-decoration: none; }
.button.primary { background: var(--blue); color: #fff; box-shadow: 0 12px 26px rgba(0, 86, 157, 0.22); }
.button.secondary { border: 1px solid #b9c9d8; background: rgba(255,255,255,.72); color: var(--blue-dark); }
.status-card { padding: 34px; border: 1px solid rgba(0, 86, 157, 0.12); border-radius: 28px 6px 28px 6px; background: rgba(255,255,255,.86); box-shadow: var(--shadow); backdrop-filter: blur(10px); }
.status-dot { display: inline-block; width: 11px; height: 11px; border-radius: 50%; background: #24a66a; box-shadow: 0 0 0 7px rgba(36, 166, 106, .13); }
.status-label { display: inline; margin-left: 11px; color: #26845b; font-size: .76rem; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.status-card strong { display: block; margin: 24px 0 9px; color: var(--navy); font-size: 1.45rem; }
.status-card p:last-child { margin-bottom: 0; color: var(--muted); }

.catalogue { max-width: 1320px; margin: 0 auto; padding: 100px clamp(20px, 5vw, 72px); }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 30px; margin-bottom: 30px; }
.section-heading h2 { max-width: 720px; margin-bottom: 0; }
.search input { width: min(340px, 70vw); padding: 13px 18px; border: 1px solid var(--line); border-radius: 999px; color: var(--ink); background: var(--wash); }
.search input:focus { outline: 3px solid rgba(0, 152, 154, .18); border-color: var(--teal); }
.filters { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: 32px; }
.filter { padding: 9px 17px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); background: #fff; cursor: pointer; }
.filter.active, .filter:hover { border-color: var(--blue); color: #fff; background: var(--blue); }
.product-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.product-card { overflow: hidden; border: 1px solid var(--line); border-radius: 18px; background: #fff; box-shadow: 0 10px 35px rgba(13, 41, 68, .06); }
.product-card[hidden] { display: none; }
.product-visual { min-height: 190px; display: grid; place-items: center; color: rgba(255,255,255,.9); font-size: 3.6rem; font-weight: 900; letter-spacing: -.08em; }
.product-visual.blue { background: linear-gradient(140deg, #0d65a9, #72acd2); }
.product-visual.teal { background: linear-gradient(140deg, #057c80, #68c6c2); }
.product-visual.navy { background: linear-gradient(140deg, #102f4b, #55748e); }
.product-content { padding: 26px; }
.product-category { margin: 0 0 8px; color: var(--teal); font-size: .75rem; font-weight: 900; letter-spacing: .11em; text-transform: uppercase; }
.product-content > p:not(.product-category) { min-height: 52px; color: var(--muted); }
.product-content a { color: var(--blue); font-weight: 800; text-decoration: none; }
.empty-state { padding: 35px; border: 1px dashed var(--line); border-radius: 15px; text-align: center; color: var(--muted); }

.about { max-width: 1320px; margin: 0 auto 100px; padding: 60px clamp(24px, 6vw, 80px); display: grid; grid-template-columns: 1.1fr .9fr; gap: 70px; align-items: center; border-radius: 6px 50px 6px 50px; background: var(--wash); }
.about h2 { margin-bottom: 0; }
.about > p { color: var(--muted); font-size: 1.1rem; }
.contact { margin: 0 clamp(20px, 5vw, 76px); padding: clamp(45px, 7vw, 80px); display: flex; justify-content: space-between; align-items: center; gap: 35px; border-radius: 32px 6px 32px 6px; color: #fff; background: linear-gradient(130deg, var(--blue-dark), var(--blue)); }
.contact .eyebrow { color: #77dbd5; }
.contact h2 { margin-bottom: 10px; color: #fff; }
.contact p:last-child { margin-bottom: 0; color: rgba(255,255,255,.75); }
.button.light { flex: none; background: #fff; color: var(--blue-dark); }
footer { padding: 38px clamp(20px, 5vw, 76px); display: flex; align-items: center; gap: 15px; color: var(--muted); font-size: .9rem; }
footer img { object-fit: contain; }

@media (max-width: 850px) {
  .hero, .about { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: 1fr; }
  .section-heading, .contact { align-items: flex-start; flex-direction: column; }
  .search, .search input { width: 100%; }
}
@media (max-width: 620px) {
  .site-header { align-items: flex-start; }
  .brand img { width: 120px; }
  nav { gap: 14px; font-size: .88rem; }
  nav a:not(.nav-cta) { display: none; }
  .hero { padding-top: 70px; }
  h1 { font-size: 2.75rem; }
  .contact { margin-inline: 14px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }