:root {
  --bg: #fbfcfe;
  --surface: #ffffff;
  --ink: #0b1b2b;
  --muted: #55708a;
  --line: #e3ebf3;
  --brand: #0aa3a0;
  --brand-strong: #087f7d;
  --brand-soft: #e3f6f5;
  --accent: #2b6cb0;
  --radius: 16px;
  --shadow: 0 20px 50px rgba(11, 27, 43, 0.08);
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(251, 252, 254, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
  font-weight: 700;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--brand), var(--accent));
  color: #fff;
  font-weight: 700;
  font-size: 18px;
}

.brand-dot { color: #cfe9ff; }

.brand-name { font-size: 19px; letter-spacing: -0.02em; }

.main-nav {
  display: flex;
  gap: 26px;
  margin-left: 8px;
}

.main-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  transition: color 0.2s;
}

.main-nav a:hover { color: var(--ink); }

.header-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 16px;
}

.lang-switch {
  display: flex;
  border: 1px solid var(--line);
  border-radius: 999px;
  overflow: hidden;
  background: var(--surface);
}

.lang-btn {
  border: 0;
  background: transparent;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  font-family: inherit;
}

.lang-btn.is-active {
  background: var(--ink);
  color: #fff;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  border: 0;
  border-radius: 999px;
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  font-family: inherit;
  transition: transform 0.15s, box-shadow 0.2s, background 0.2s;
}

.btn-primary {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 8px 20px rgba(10, 163, 160, 0.3);
}

.btn-primary:hover { background: var(--brand-strong); transform: translateY(-1px); }

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}

.btn-ghost:hover { border-color: var(--brand); color: var(--brand-strong); }

.header-cta { padding: 9px 18px; font-size: 14px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 88px 0 64px;
  overflow: hidden;
  background:
    radial-gradient(900px 500px at 85% -10%, rgba(43, 108, 176, 0.12), transparent 60%),
    radial-gradient(700px 500px at -10% 20%, rgba(10, 163, 160, 0.12), transparent 55%);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--brand-strong);
  margin: 0 0 14px;
}

.hero h1 {
  font-size: clamp(32px, 4.4vw, 52px);
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin: 0 0 20px;
}

.hero-sub {
  font-size: 18px;
  color: var(--muted);
  max-width: 34em;
  margin: 0 0 32px;
}

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-visual {
  position: relative;
  height: 360px;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(2px);
}

.orb-a {
  width: 220px; height: 220px; right: 10px; top: 0;
  background: radial-gradient(circle at 30% 30%, var(--brand), var(--accent));
  opacity: 0.9;
}

.orb-b {
  width: 150px; height: 150px; left: 0; bottom: 10px;
  background: radial-gradient(circle at 40% 40%, #f3f2ff, #cdd9ff);
  opacity: 0.9;
}

.lab-card {
  position: absolute;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
}

.lab-card-glass {
  width: 130px; height: 170px; right: 70px; top: 40px;
  border-radius: 12px 12px 30px 30px;
}

.lab-card-vial {
  width: 90px; height: 60px; right: 40px; bottom: 40px;
}

.lab-card-dna {
  width: 170px; height: 90px; left: 30px; top: 130px;
}

/* ---------- Trust ---------- */
.trust { border-top: 1px solid var(--line); background: var(--surface); }

.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding: 28px 0;
}

.trust-item { text-align: center; }

.trust-item strong {
  display: block;
  font-size: 26px;
  color: var(--brand-strong);
  font-weight: 700;
}

.trust-item span { color: var(--muted); font-size: 14px; }

/* ---------- Sections ---------- */
.section { padding: 80px 0; }

.section-alt { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

.section-head { margin-bottom: 44px; }

.section-head h2 {
  font-size: clamp(26px, 3.4vw, 38px);
  letter-spacing: -0.02em;
  margin: 0;
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.about-block {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
}

.about-block h3 { margin: 0 0 12px; font-size: 20px; }
.about-block p { margin: 0; color: var(--muted); }

/* Products */
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: var(--brand-soft);
  margin-bottom: 18px;
  position: relative;
}

.card-icon::before, .card-icon::after { content: ""; position: absolute; }

.icon-reagent::before {
  width: 22px; height: 30px; left: 15px; top: 12px;
  border: 2.5px solid var(--brand);
  border-radius: 7px;
}

.icon-consu::before {
  width: 24px; height: 20px; left: 14px; top: 17px;
  border: 2.5px solid var(--brand);
  border-radius: 6px;
}

.icon-eq::before {
  width: 28px; height: 22px; left: 12px; top: 15px;
  border: 2.5px solid var(--brand);
  border-radius: 8px; 
}

.icon-tech::after {
  width: 24px; height: 24px; left: 14px; top: 14px;
  border: 2.5px solid var(--brand);
  border-radius: 50%;
  border-left-color: transparent;
  transform: rotate(30deg);
}

.card h3 { margin: 0 0 10px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 14.5px; }

/* Sectors */
.sectors-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
}

.sector {
  padding: 28px 24px;
}

.sector + .sector { border-left: 1px solid var(--line); }

.sector h3 { margin: 0 0 8px; font-size: 17px; }
.sector p { margin: 0; color: var(--muted); font-size: 14.5px; }

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 40px;
  align-items: start;
}

.contact-lead { font-size: 18px; color: var(--muted); margin: 0 0 20px; }

.contact-link {
  display: inline-block;
  font-size: 22px;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid var(--brand);
  margin-bottom: 12px;
}

.contact-region { color: var(--muted); margin: 0; }

.contact-form {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  display: grid;
  gap: 16px;
}

.contact-form label { display: grid; gap: 6px; }

.contact-form label span { font-size: 14px; font-weight: 600; }

.contact-form input,
.contact-form textarea {
  font-family: inherit;
  font-size: 15px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px var(--brand-soft);
}

.form-status { margin: 0; font-size: 14px; color: var(--brand-strong); }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); background: var(--surface); }

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 0;
  flex-wrap: wrap;
}

.footer-note { color: var(--muted); font-size: 14px; margin: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 880px) {
  .main-nav { display: none; }
  .hero-inner, .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .products-grid, .sectors-list { grid-template-columns: repeat(2, 1fr); }
  .sector + .sector { border-left: 0; }
  .sector:nth-child(2) { border-left: 1px solid var(--line); }
}

@media (max-width: 520px) {
  .products-grid, .sectors-list, .trust-grid { grid-template-columns: 1fr; }
  .trust-grid { gap: 12px; }
  .header-cta { display: none; }
}