/* styles.css - نسخه RTL برای فارسی */
:root {
  --bg: #f7f7f7;
  --card: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --primary: #2F8F5E;
  --secondary: #3D8BCE;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: 'Vazirmatn', system-ui, -apple-system, "Segoe UI", Roboto;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}
.container { width: min(1100px, 90%); margin-inline: auto; }

.site-header {
  background: #ffffff;
  border-bottom: 1px solid #e5e7eb;
  position: sticky;
  top: 0;
  z-index: 50;
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 0;
}
.logo {
  font-weight: 700; color: #111; text-decoration: none;
}
.main-nav {
  display: flex; gap: 12px;
}
.main-nav a {
  text-decoration: none; color: #374151; padding: 8px 12px;
  border-radius: 6px;
}
.main-nav a:hover { background: #f1f5f9; }

.menu-toggle {
  display: none;
  background: #fff; border:1px solid #ddd; padding:8px 12px; border-radius:6px;
}
@media (max-width: 800px){
  .main-nav { display:none; flex-direction:column; gap:0; position:absolute; top:56px; right:10px; background:white; border:1px solid #ddd; padding:8px; border-radius:6px; width: calc(100% - 20px); }
  .menu-toggle { display:inline-block; }
}
.hero {
  background: linear-gradient(135deg, #e8f5e9 0%, #fff 60%);
  padding: 48px 0;
}
.hero-content { text-align: center; padding: 20px; }
.section-title {
  font-size: 1.75rem; margin: 1rem 0 0.5rem;
}
.btn {
  display:inline-block; padding: 10px 16px; border-radius: 6px; text-decoration: none;
  border: 1px solid transparent; font-weight: 600;
}
.btn-primary { background: var(--primary); color:#fff; }
.btn-secondary { background:#f3f4f6; color:#111; border-color:#e5e7eb; }

.overview { padding: 1.5rem 0; }
.overview-grid { display:grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card { background:#fff; padding: 16px; border-radius: 8px; box-shadow: 0 1px 2px rgba(0,0,0,.05); text-align: center; }
.card .icon { font-size: 28px; margin-bottom: 6px; }
.latest, .cta-section { padding: 2rem 0; }

.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.project-card, .pub-card, .course-card { background:#fff; padding:16px; border-radius:8px; box-shadow:0 1px 2px rgba(0,0,0,.05); }
.card-grid .link { display:inline-block; margin-top:8px; color:var(--secondary); text-decoration:none; }
.badge { display:inline-block; padding:3px 8px; border-radius: 999px; background:#e2e8f0; font-size:12px; }

.team-grid { display:grid; grid-template-columns: repeat(3, 1fr); gap:16px; }
.team-card { background:#fff; padding:12px; border-radius:8px; text-align:center; box-shadow:0 1px 2px rgba(0,0,0,.05); }

.areas-grid { display:grid; grid-template-columns: repeat(3, 1fr); gap:16px; }
.area-card { background:#fff; padding:16px; border-radius:8px; text-align:center; }

.form-grid { display:grid; grid-template-columns: 1fr 1fr; gap:16px; }
.form-field { display:flex; flex-direction:column; }
.form-field label { margin-bottom:6px; font-weight:600; }
.form-field input, .form-field textarea { padding:10px; border:1px solid #ddd; border-radius:6px; }
.map-placeholder { border:1px solid #ddd; padding:12px; border-radius:8px; background:#fff; }

.site-footer { background:#111; color:#eee; padding: 20px 0; }
.footer-content { display:flex; justify-content: space-between; gap:20px; align-items: flex-start; padding: 20px 0; }
.footer-col { min-width: 200px; }
.footer-content a { color:#a5b4fc; text-decoration:none; }
@media (max-width: 900px){
  .overview-grid { grid-template-columns: 1fr 1fr; }
  .card-grid, .areas-grid, .team-grid { grid-template-columns: 1fr 1fr; }
  .team-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px){
  .overview-grid { grid-template-columns: 1fr; }
  .card-grid { grid-template-columns: 1fr; }
  .areas-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
}