/* === machines.dalloxconsulting.com — Insulator Test Equipment Hub === */
:root {
  --navy: #1a2a3a;
  --blue: #2563eb;
  --light: #f7f8fa;
  --gray: #6b7280;
  --border: #e5e7eb;
  --white: #ffffff;
  --orange: #f59e0b;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: #1f2937;
  background: var(--white);
  line-height: 1.7;
}

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

/* === Header === */
header {
  background: var(--navy);
  padding: 0;
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white);
  text-decoration: none;
}
.logo span { color: var(--orange); }
nav a {
  color: #cbd5e1;
  margin-left: 24px;
  font-size: 0.9rem;
  font-weight: 500;
}
nav a:hover { color: var(--white); text-decoration: none; }

/* === Hero === */
.hero {
  background: linear-gradient(135deg, #1a2a3a 0%, #1e3a5f 100%);
  color: var(--white);
  padding: 60px 20px;
  text-align: center;
}
.hero h1 {
  font-size: 2rem;
  margin-bottom: 12px;
}
.hero p {
  font-size: 1.1rem;
  color: #94a3b8;
  max-width: 640px;
  margin: 0 auto;
}

/* === Container === */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
}
.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--navy);
}

/* === Category Grid === */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 48px;
}
.cat-card {
  background: var(--light);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
  transition: box-shadow 0.2s;
}
.cat-card:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}
.cat-card h3 { font-size: 1.1rem; margin-bottom: 8px; color: var(--navy); }
.cat-card p { font-size: 0.9rem; color: var(--gray); }
.cat-card .count { font-size: 0.8rem; color: var(--blue); margin-top: 8px; }

/* === Post List === */
.post-list {
  list-style: none;
}
.post-item {
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
}
.post-item .post-title { font-weight: 500; }
.post-item .post-date { font-size: 0.8rem; color: var(--gray); }
.post-item .post-tag {
  display: inline-block;
  background: #dbeafe;
  color: var(--blue);
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: 12px;
  margin-left: 8px;
}

/* === Breadcrumb === */
.breadcrumb {
  font-size: 0.85rem;
  color: var(--gray);
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}
.breadcrumb a { color: var(--gray); }

/* === Product Page === */
.product-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.product-hero .img-placeholder {
  background: var(--light);
  border: 1px dashed var(--border);
  border-radius: 8px;
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray);
}
.article-content h2 {
  font-size: 1.25rem;
  margin: 32px 0 12px;
  color: var(--navy);
}
.article-content h3 {
  font-size: 1.1rem;
  margin: 24px 0 8px;
}
.article-content p { margin-bottom: 16px; }
.article-content ul, .article-content ol { margin: 0 0 16px 20px; }
.article-content li { margin-bottom: 6px; }

/* Spec table */
.spec-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
}
.spec-table th {
  background: var(--navy);
  color: var(--white);
  padding: 10px 14px;
  text-align: left;
  font-size: 0.9rem;
}
.spec-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}
.spec-table tr:nth-child(even) td { background: var(--light); }

/* CTA */
.cta-box {
  background: var(--navy);
  color: var(--white);
  padding: 32px;
  border-radius: 8px;
  text-align: center;
  margin: 40px 0;
}
.cta-box h3 { font-size: 1.2rem; margin-bottom: 8px; }
.cta-box a {
  display: inline-block;
  background: var(--orange);
  color: var(--navy);
  padding: 10px 24px;
  border-radius: 6px;
  font-weight: 600;
  margin-top: 12px;
  text-decoration: none;
}
.cta-box a:hover { background: #d97706; text-decoration: none; }

/* Footer */
footer {
  background: var(--navy);
  color: #94a3b8;
  text-align: center;
  padding: 24px 20px;
  font-size: 0.85rem;
  margin-top: 60px;
}
footer a { color: var(--orange); }

/* Responsive */
@media (max-width: 768px) {
  .product-hero { grid-template-columns: 1fr; }
  .hero h1 { font-size: 1.5rem; }
  nav a { margin-left: 12px; font-size: 0.8rem; }
}

/* Product image styles */
.product-img {
    width: 100%;
    max-width: 600px;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    object-fit: cover;
    display: block;
}
.product-hero {
    display: flex;
    gap: 32px;
    align-items: flex-start;
    flex-wrap: wrap;
    margin-bottom: 24px;
}
.product-hero > div:last-child {
    flex: 1;
    min-width: 280px;
}
@media (max-width: 768px) {
    .product-hero {
        flex-direction: column;
    }
    .product-img {
        max-width: 100%;
    }
}