/* Adam Fuarcılık Ltd. Şti. — static site */
:root {
  --brand: #0029a3;
  --brand-dark: #001f7a;
  --text: #222;
  --muted: #555;
  --border: #e2e2e2;
  --bg: #ffffff;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}
a { color: var(--brand); }
img { max-width: 100%; height: auto; }
.container { width: 100%; max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header {
  border-bottom: 3px solid var(--brand);
  background: #fff;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 14px;
  padding-bottom: 14px;
}
.logo img { display: block; height: 56px; width: auto; }
.main-nav { display: flex; gap: 4px; flex-wrap: wrap; }
.main-nav a {
  display: inline-block;
  padding: 8px 16px;
  text-decoration: none;
  color: var(--brand);
  font-weight: 600;
  border-radius: 4px;
}
.main-nav a:hover { background: #f0f3fb; }
.main-nav a.active { background: var(--brand); color: #fff; }

/* Main */
main { padding: 36px 0 48px; }
h1, h2, h3 { color: var(--brand); line-height: 1.25; }
.page-title {
  margin: 0 0 24px;
  font-size: 1.7rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 12px;
}

/* Two-column layout */
.cols { display: flex; gap: 32px; flex-wrap: wrap; }
.cols > .col { flex: 1 1 320px; min-width: 0; }
.cols .col p:first-child { margin-top: 0; }

/* References table */
.ref-table { width: 100%; border-collapse: collapse; margin-top: 16px; font-size: 0.95rem; }
.ref-table th, .ref-table td {
  border: 1px solid var(--border);
  padding: 8px 10px;
  text-align: left;
  vertical-align: top;
}
.ref-table thead th { background: var(--brand); color: #fff; }
.ref-table tbody tr:nth-child(even) { background: #f6f8fd; }
.table-wrap { overflow-x: auto; }

/* Contact */
.contact-info p { margin: 0 0 4px; }
.map-embed iframe { width: 100%; height: 360px; border: 0; border-radius: 6px; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  background: #fafafa;
  color: var(--muted);
  font-size: 0.9rem;
}
.site-footer .container { padding-top: 20px; padding-bottom: 20px; text-align: center; }

/* Mobile */
@media (max-width: 640px) {
  .site-header .container { flex-direction: column; align-items: flex-start; }
  .main-nav { width: 100%; }
  .main-nav a { padding: 8px 12px; }
  .page-title { font-size: 1.4rem; }
}