:root {
  --navy: #0d2745;
  --teal: #17888a;
  --bg: #f4f7fa;
  --bg-alt: #ffffff;
  --text: #1a1f27;
  --text-muted: #5c6773;
  --border: #e1e7ee;
  --max-width: 1100px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1220;
    --bg-alt: #121c2e;
    --text: #e8edf4;
    --text-muted: #a3aebd;
    --border: #223349;
    --navy: #6fa8dc;
    --teal: #34c2c4;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

a { color: inherit; text-decoration: none; }

.brand-navy { color: var(--navy); }
.brand-teal { color: var(--teal); }

/* Header */
.site-header {
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 14px 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
}

.brand-logo {
  display: block;
  height: 44px;
  width: auto;
}

.hero-logo img {
  display: block;
  margin: 0 auto;
}

.customer-logo {
  width: 100%;
  height: auto;
  display: block;
}

.nav {
  display: flex;
  gap: 24px;
}

.nav a {
  font-weight: 600;
  color: var(--text-muted);
}

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

.nav a.active { color: var(--teal); }

/* Hero */
.hero {
  padding: 80px 0 70px;
  text-align: center;
}

.hero-logo {
  margin-bottom: 12px;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 800;
  margin: 0 0 8px;
}

.tagline {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--teal);
  margin: 0 0 32px;
}

.cta {
  display: inline-block;
  background: var(--teal);
  color: #fff;
  font-weight: 700;
  padding: 14px 32px;
  border-radius: 8px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(23, 136, 138, 0.3);
}

/* Services */
.services {
  background: var(--bg-alt);
  padding: 64px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.services h2, .contact h2 {
  text-align: center;
  font-size: 2rem;
  margin: 0 0 40px;
  color: var(--navy);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
}

.service-card h3 {
  color: var(--teal);
  margin: 0 0 12px;
  font-size: 1.15rem;
}

.service-card p {
  margin: 0;
  color: var(--text-muted);
}

/* Products */
.products {
  padding: 64px 0;
}

.products h2 {
  text-align: center;
  font-size: 2rem;
  margin: 0 0 40px;
  color: var(--navy);
}

.product-card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}

.product-card h3 {
  color: var(--teal);
  margin: 0 0 8px;
  font-size: 1.3rem;
}

.product-niche-label {
  margin: 0 0 16px;
  color: var(--text-muted);
}

.niche-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.niche-tag {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 16px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--navy);
}

/* Contact */
.contact {
  padding: 64px 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 28px;
  max-width: 800px;
  margin: 0 auto;
}

.contact-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.contact-label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--teal);
}

.contact-value {
  font-size: 1.1rem;
  font-weight: 600;
}

a.contact-value:hover { color: var(--teal); }

.contact-address {
  grid-column: 1 / -1;
}

/* Customers */
.customers {
  background: var(--bg-alt);
  padding: 64px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.customers h2 {
  text-align: center;
  font-size: 2rem;
  margin: 0 0 40px;
  color: var(--navy);
}

.customer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 360px));
  justify-content: center;
  gap: 24px;
}

.customer-card {
  display: flex;
  align-items: center;
  justify-content: center;
  height: auto;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 600;
  text-align: center;
}

/* Footer */
.site-footer {
  text-align: center;
  padding: 28px 0;
  color: var(--text-muted);
  font-size: 0.9rem;
  border-top: 1px solid var(--border);
}