:root {
  --red: #b3132a;
  --red-dark: #8a0f20;
  --navy: #0b2d44;
  --ice: #eef5f9;
  --ice-mid: #dbe9f0;
  --grey: #5b6b73;
  --white: #ffffff;
  --radius: 6px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--navy);
  background: var(--white);
  line-height: 1.6;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  border-bottom: 1px solid var(--ice-mid);
  position: sticky;
  top: 0;
  background: var(--white);
  z-index: 100;
}

.logo {
  display: flex;
  align-items: center;
  color: var(--navy);
}
.logo-icon { height: 80px; width: auto; }
.logo span { color: var(--red); }
.logo small {
  display: block;
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--grey);
  text-transform: uppercase;
}

.main-nav { display: flex; align-items: center; gap: 32px; }
.main-nav ul { display: flex; gap: 28px; list-style: none; }
.main-nav a {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--navy);
}
.main-nav a:hover, .main-nav a.active { color: var(--red); }

.btn {
  display: inline-block;
  padding: 10px 22px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 0.9rem;
}
.btn-primary { background: var(--red); color: var(--white); }
.btn-primary:hover { background: var(--red-dark); }
.btn-outline { border: 2px solid var(--navy); color: var(--navy); }
.btn-outline:hover { background: var(--navy); color: var(--white); }

.nav-toggle { display: none; }

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, #123a55 100%);
  color: var(--white);
  padding: 72px 0;
}
.hero .container {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: center;
}
.hero-eyebrow {
  color: #ff8a93;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.8rem;
  margin-bottom: 14px;
}
.hero h1 { font-size: 2.6rem; line-height: 1.15; margin-bottom: 18px; }
.hero p { font-size: 1.05rem; color: #cfe0ea; margin-bottom: 28px; max-width: 480px; }
.hero-actions { display: flex; gap: 14px; }
.hero-image img { border-radius: 12px; box-shadow: 0 20px 50px rgba(0,0,0,0.35); }

/* Sections */
.section { padding: 72px 0; }
.section-alt { background: var(--ice); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 48px; }
.section-head .eyebrow {
  color: var(--red);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.8rem;
  margin-bottom: 10px;
}
.section-head h2 { font-size: 2rem; margin-bottom: 12px; }
.section-head p { color: var(--grey); }

/* Category panels (homepage) */
.panels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.panel {
  background: var(--white);
  border: 1px solid var(--ice-mid);
  border-radius: 12px;
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}
.panel:hover { transform: translateY(-4px); box-shadow: 0 16px 32px rgba(11,45,68,0.12); }
.panel-media {
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 800;
  font-size: 1.6rem;
  letter-spacing: 0.04em;
}
.panel-media.inbound { background: linear-gradient(135deg, #0b2d44, #1c5478); }
.panel-media.outbound { background: linear-gradient(135deg, #b3132a, #7a0e1e); }
.panel-body { padding: 28px; }
.panel-body h3 { font-size: 1.3rem; margin-bottom: 10px; }
.panel-body p { color: var(--grey); margin-bottom: 18px; }
.panel-body ul { list-style: none; margin-bottom: 18px; }
.panel-body li {
  font-size: 0.92rem;
  color: var(--navy);
  padding: 6px 0;
  border-top: 1px solid var(--ice-mid);
}
.panel-body li:first-child { border-top: none; }

/* Product grid (category pages) */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}
.card {
  border: 1px solid var(--ice-mid);
  border-radius: 12px;
  overflow: hidden;
  background: var(--white);
}
.card-media { height: 200px; overflow: hidden; background: var(--ice); }
.card-media img { width: 100%; height: 100%; object-fit: cover; }
.card-body { padding: 22px; }
.card-body h3 { margin-bottom: 8px; }
.card-body p { color: var(--grey); font-size: 0.93rem; margin-bottom: 16px; }
.tag {
  display: inline-block;
  background: var(--red);
  color: var(--white);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 20px;
  margin-bottom: 12px;
}

/* Product detail */
.product-hero { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.product-gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 16px; }
.product-gallery img { border-radius: 8px; height: 110px; width: 100%; object-fit: cover; }
.spec-list { list-style: none; margin: 24px 0; }
.spec-list li {
  padding: 12px 0;
  border-bottom: 1px solid var(--ice-mid);
  display: flex;
  gap: 10px;
}
.spec-list li::before { content: "✓"; color: var(--red); font-weight: 800; }

/* About */
.facts-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 40px;
}
.fact { text-align: center; }
.fact strong { display: block; font-size: 1.8rem; color: var(--red); }
.fact span { color: var(--grey); font-size: 0.9rem; }

.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}
.team-card { text-align: center; padding: 24px; background: var(--white); border-radius: 12px; border: 1px solid var(--ice-mid); }
.team-card h4 { margin-bottom: 4px; }
.team-card span { color: var(--grey); font-size: 0.9rem; }

.certs { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 24px; }
.cert-pill {
  background: var(--ice);
  border: 1px solid var(--ice-mid);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--navy);
}

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.contact-card {
  background: var(--ice);
  border-radius: 12px;
  padding: 28px;
  margin-bottom: 16px;
}
.contact-card h4 { margin-bottom: 8px; }
.contact-card a, .contact-card p { color: var(--grey); }
form { display: flex; flex-direction: column; gap: 16px; }
input, textarea {
  padding: 12px 14px;
  border: 1px solid var(--ice-mid);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 0.95rem;
}
label { font-weight: 600; font-size: 0.9rem; margin-bottom: -10px; }

/* CTA band */
.cta-band {
  background: var(--red);
  color: var(--white);
  text-align: center;
  padding: 56px 0;
}
.cta-band h2 { font-size: 1.8rem; margin-bottom: 18px; }
.cta-band .btn-outline { border-color: var(--white); color: var(--white); }
.cta-band .btn-outline:hover { background: var(--white); color: var(--red); }

/* Footer */
.site-footer { background: var(--navy); color: #b9cdd9; padding: 56px 0 24px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 36px;
}
.footer-grid h4 { color: var(--white); margin-bottom: 16px; font-size: 0.95rem; display: flex; align-items: center; gap: 8px; }
.footer-logo-icon { height: 22px; width: auto; }
.footer-grid ul { list-style: none; }
.footer-grid li { margin-bottom: 10px; font-size: 0.9rem; }
.footer-grid a:hover { color: var(--white); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.8rem;
  color: #8aa2b0;
}
.footer-bottom a { margin-right: 16px; }

@media (max-width: 880px) {
  .hero .container, .panels, .product-hero, .facts-grid, .team-grid, .contact-grid, .footer-grid {
    grid-template-columns: 1fr;
  }
  .main-nav ul { display: none; }
  .footer-bottom { flex-direction: column; }
}