:root {
  --navy: #0f172a;
  --navy-soft: #1e293b;
  --text-dim: #64748b;
  --green: #16a34a;
  --border: #e2e8f0;
  --bg: #f8fafc;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
  color: var(--navy);
  background: #fff;
  line-height: 1.5;
}

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

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

/* Header */
.site-header {
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(8px);
  z-index: 10;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.02em;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.logo img {
  border-radius: 6px;
  display: block;
}

.header-nav a {
  margin-left: 28px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-dim);
}

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

/* Hero */
.hero {
  background: var(--navy);
  color: #fff;
  padding: 96px 0 80px;
  text-align: center;
}

.eyebrow {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: #94a3b8;
  text-transform: uppercase;
  margin: 0 0 16px;
}

.hero h1 {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 800;
  letter-spacing: -0.03em;
  max-width: 780px;
  margin: 0 auto 20px;
  line-height: 1.1;
}

.hero-sub {
  font-size: 18px;
  color: #cbd5e1;
  max-width: 600px;
  margin: 0 auto 36px;
}

.btn {
  display: inline-block;
  padding: 13px 28px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 15px;
}

.btn-primary {
  background: var(--green);
  color: #fff;
}

.btn-primary:hover { background: #15803d; }

/* Products */
.products { padding: 80px 0; background: var(--bg); }

.section-title {
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -0.02em;
  text-align: center;
  margin: 0 0 8px;
}

.section-sub {
  text-align: center;
  color: var(--text-dim);
  font-size: 16px;
  margin: 0 0 48px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.product-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.product-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 24px -8px rgba(15, 23, 42, 0.12);
  border-color: #cbd5e1;
}

.product-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 16px;
  overflow: hidden;
}

.product-icon-img {
  background: var(--bg);
  border: 1px solid var(--border);
}

.product-icon-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.product-card h3 {
  margin: 0 0 4px;
  font-size: 19px;
  font-weight: 700;
}

.product-tag {
  margin: 0 0 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.product-desc {
  margin: 0 0 20px;
  color: var(--text-dim);
  font-size: 14px;
  flex-grow: 1;
}

.product-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--navy);
}

/* About */
.about { padding: 80px 0; }

.about-inner .section-title { margin-bottom: 48px; }

.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.about-item h4 {
  font-size: 17px;
  margin: 0 0 8px;
}

.about-item p {
  margin: 0;
  color: var(--text-dim);
  font-size: 15px;
}

/* Footer */
.site-footer {
  background: var(--navy);
  color: #94a3b8;
  padding: 32px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 14px;
}

.footer-inner .logo { color: #fff; }
.footer-inner p { margin: 0; }
.footer-inner a { color: #94a3b8; }
.footer-inner a:hover { color: #fff; }

/* Responsive */
@media (max-width: 800px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 24px; }
}

@media (max-width: 560px) {
  .header-nav a:first-child { display: none; }
  .product-grid { grid-template-columns: 1fr; }
  .hero { padding: 72px 0 56px; }
  .footer-inner { flex-direction: column; text-align: center; }
}