/* Humanités Numériques Paris 8 — Custom Styles */

/* ── Color palette ── */
:root {
  --hn-blue: #1a3a6b;
  --hn-red: #c0392b;
  --hn-gold: #e8a020;
  --hn-light: #f8f9fa;
  --hn-dark: #212529;
}

/* ── Navbar ── */
.navbar {
  background-color: var(--hn-blue) !important;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.navbar-brand, .navbar-nav .nav-link {
  color: #fff !important;
}

.navbar-nav .nav-link:hover {
  color: var(--hn-gold) !important;
}

.navbar-logo{
  max-height: 64px;
}

/* ── Hero banner ── */
.hero-banner {
  background: linear-gradient(135deg, var(--hn-blue) 0%, #2c5282 60%, #2d6a4f 100%);
  color: white;
  padding: 5rem 2rem;
  text-align: center;
  border-radius: 0.5rem;
  margin-bottom: 2rem;
}

.hero-banner h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: white;
  border-bottom: none;
}

.hero-banner p {
  font-size: 1.15rem;
  max-width: 700px;
  margin: 0 auto 2rem;
  opacity: 0.92;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

/* ── Cards ── */
.card {
  border: none;
  border-radius: 0.75rem;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.13);
}

.card-body h3, .card-body h4 {
  color: var(--hn-blue);
  border-bottom: 2px solid var(--hn-gold);
  padding-bottom: 0.4rem;
  margin-bottom: 0.8rem;
}

/* ── Section cards (homepage) ── */
.section-cards {
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

/* ── News cards ── */
.news-card {
  border-left: 4px solid var(--hn-gold);
}

/* ── Stats section ── */
.stats-grid {
  background: var(--hn-light);
  border-radius: 0.75rem;
  padding: 2rem 1rem;
  margin: 2rem 0;
  text-align: center;
}

.stat-item {
  padding: 1rem;
}

.stat-number {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--hn-blue);
  line-height: 1;
}

.stat-label {
  font-size: 0.9rem;
  color: #666;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.3rem;
}

/* ── Team cards ── */
.team-card {
  border-top: 4px solid var(--hn-blue);
}

.team-card .card-body h3,
.team-card .card-body h4 {
  border-bottom: none;
  color: var(--hn-blue);
}

/* ── Footer ── */
.nav-footer {
  background-color: var(--hn-blue);
  color: rgba(255, 255, 255, 0.85);
  padding: 1.5rem 0;
}

.nav-footer a {
  color: rgba(255, 255, 255, 0.8) !important;
}

.nav-footer a:hover {
  color: var(--hn-gold) !important;
}

/* ── Social links ── */
.social-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  list-style: none;
  padding: 0;
}

.social-links li a {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: var(--hn-light);
  border-radius: 2rem;
  text-decoration: none;
  font-weight: 500;
  color: var(--hn-blue);
  transition: background 0.2s ease;
}

.social-links li a:hover {
  background: var(--hn-blue);
  color: #fff;
}

/* ── Buttons ── */
.btn-primary {
  background-color: var(--hn-blue);
  border-color: var(--hn-blue);
}

.btn-primary:hover {
  background-color: #14305a;
  border-color: #14305a;
}

.btn-outline-primary {
  color: var(--hn-blue);
  border-color: var(--hn-blue);
}

.btn-outline-primary:hover {
  background-color: var(--hn-blue);
  color: #fff;
}

/* ── Typography ── */
h1, h2, h3 {
  color: var(--hn-blue);
}

/* ── Callouts ── */
.callout {
  border-radius: 0.5rem;
}

/* ── Responsive adjustments ── */
@media (max-width: 768px) {
  .hero-banner h2 {
    font-size: 1.8rem;
  }

  .stat-number {
    font-size: 2rem;
  }
}