:root {
  --color-primary: #0b5fff;
  --color-dark: #12131a;
  --color-text: #23242b;
  --color-muted: #6b6f7b;
  --color-bg: #f6f7f9;
  --color-card: #ffffff;
  --color-border: #e6e8ec;
  --radius: 10px;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }

/* Header */
.site-header { background: var(--color-dark); position: sticky; top: 0; z-index: 50; }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; }
.logo { color: #fff; font-weight: 800; font-size: 1.25rem; letter-spacing: -0.02em; }
.main-nav { display: flex; gap: 18px; flex-wrap: wrap; }
.main-nav a { color: #cfd3dc; font-size: 0.92rem; font-weight: 500; }
.main-nav a:hover { color: #fff; text-decoration: none; }
.nav-toggle { display: none; background: none; border: none; color: #fff; font-size: 1.4rem; cursor: pointer; }

@media (max-width: 780px) {
  .main-nav { display: none; width: 100%; flex-direction: column; gap: 4px; padding-top: 10px; }
  .main-nav.open { display: flex; }
  .nav-toggle { display: block; }
  .header-inner { flex-wrap: wrap; }
}

/* Hero / category badge colors */
.badge {
  display: inline-block; padding: 4px 10px; border-radius: 999px;
  font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em;
  color: #fff;
}

/* Card grid */
.section-title { font-size: 1.4rem; font-weight: 800; margin: 36px 0 18px; }
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-bottom: 10px; }
.card-grid.featured-grid { grid-template-columns: 1.4fr 1fr 1fr; }
@media (max-width: 900px) { .card-grid, .card-grid.featured-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .card-grid, .card-grid.featured-grid { grid-template-columns: 1fr; } }

.card {
  background: var(--color-card); border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--color-border); display: flex; flex-direction: column;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.card:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0,0,0,0.06); }
.card-img { width: 100%; aspect-ratio: 16/9; object-fit: cover; background: #ddd; }
.card-body { padding: 16px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.card-body h3 { margin: 0; font-size: 1.05rem; line-height: 1.35; }
.card-body h3 a { color: var(--color-dark); }
.card-excerpt { color: var(--color-muted); font-size: 0.9rem; margin: 0; }
.card-meta { font-size: 0.78rem; color: var(--color-muted); margin-top: auto; }

/* Between-articles ad slot */
.between-ad { grid-column: 1 / -1; padding: 10px 0; text-align: center; }

/* Article page */
.article-header { padding: 30px 0 10px; }
.article-header .badge { margin-bottom: 12px; }
.article-header h1 { font-size: 2rem; line-height: 1.25; margin: 8px 0 10px; }
.article-meta { color: var(--color-muted); font-size: 0.88rem; }
.article-cover { width: 100%; border-radius: var(--radius); margin: 20px 0; aspect-ratio: 16/7; object-fit: cover; }
.article-content { max-width: 760px; margin: 0 auto; font-size: 1.06rem; }
.article-content h2 { font-size: 1.4rem; margin-top: 2em; }
.article-content ul, .article-content ol { padding-left: 1.4em; }
.article-content p { margin: 1.1em 0; }
.in-article-ad { margin: 30px 0; padding: 14px 0; text-align: center; border-top: 1px dashed var(--color-border); border-bottom: 1px dashed var(--color-border); }
.in-article-ad::before { content: "Advertisement"; display: block; font-size: 0.7rem; color: var(--color-muted); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 8px; }

/* Static pages */
.static-page { max-width: 760px; margin: 30px auto; }
.static-page h1 { font-size: 1.8rem; }

/* Footer */
.site-footer { background: var(--color-dark); color: #cfd3dc; margin-top: 50px; padding: 30px 0; }
.footer-links { display: flex; gap: 16px; margin: 14px 0; flex-wrap: wrap; }
.footer-links a { color: #cfd3dc; font-size: 0.88rem; }
.copyright { font-size: 0.8rem; color: #8b8f9a; }

/* Contact form */
.form-field { margin-bottom: 16px; }
.form-field label { display: block; margin-bottom: 6px; font-weight: 600; font-size: 0.9rem; }
.form-field input, .form-field textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--color-border);
  border-radius: 6px; font-family: inherit; font-size: 1rem;
}
.btn {
  display: inline-block; background: var(--color-primary); color: #fff; border: none;
  padding: 11px 22px; border-radius: 6px; font-weight: 700; cursor: pointer; font-size: 0.95rem;
}
.btn:hover { opacity: 0.9; text-decoration: none; }
.alert { padding: 12px 16px; border-radius: 6px; margin-bottom: 16px; font-size: 0.9rem; }
.alert-success { background: #e6f6ec; color: #167a3e; }
.alert-error { background: #fdecec; color: #b3271f; }