:root {
  --bg-dark: #0f1115;
  --bg-card: #181b22;
  --bg-card-hover: #212530;
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --border-color: rgba(255, 255, 255, 0.08);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  background-color: rgba(15, 17, 21, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  z-index: 100;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.logo {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: 1px;
}

.logo span {
  color: var(--accent);
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  margin-left: 1.5rem;
  font-weight: 400;
  transition: var(--transition);
}

.nav-links a:hover {
  color: var(--text-primary);
}

/* Hero Section */
.hero {
  padding: 6rem 0 4rem;
  text-align: center;
}

.hero .tagline {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  max-width: 800px;
  margin: 0 auto 2rem;
  font-weight: 700;
  line-height: 1.25;
}

.btn-primary {
  display: inline-block;
  padding: 0.8rem 1.8rem;
  background-color: var(--accent);
  color: #fff;
  text-decoration: none;
  border-radius: 30px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
}

.btn-primary:hover {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
}

/* Filtre */
.filter-bar {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.filter-btn {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  padding: 0.5rem 1.2rem;
  border-radius: 20px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  background-color: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* Galerie Grid */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
  padding-bottom: 5rem;
}

/* Carduri */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-6px);
  background-color: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.2);
}

.card-img-wrapper {
  position: relative;
  width: 100%;
  height: 240px;
  overflow: hidden;
  cursor: pointer;
}

.card-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.card:hover .card-img-wrapper img {
  transform: scale(1.06);
}

.overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}

.card:hover .overlay {
  opacity: 1;
}

.view-btn {
  background-color: rgba(255, 255, 255, 0.9);
  color: #111;
  padding: 0.4rem 1rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
}

.card-info {
  padding: 1.5rem;
}

.card-tag {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--accent);
  letter-spacing: 1px;
  font-weight: 600;
}

.card-info h3 {
  font-size: 1.25rem;
  margin: 0.4rem 0 0.5rem;
  color: var(--text-primary);
}

.card-info p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Lightbox Modal */
.modal {
  display: none;
  position: fixed;
  z-index: 200;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.9);
  padding: 2rem 1rem;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}

.modal-content {
  max-width: 90%;
  max-height: 80vh;
  border-radius: 8px;
  object-fit: contain;
}

#modalCaption {
  margin-top: 1rem;
  color: var(--text-primary);
  font-size: 1.1rem;
  text-align: center;
}

.close-btn {
  position: absolute;
  top: 1.5rem;
  right: 2rem;
  color: #fff;
  font-size: 2.5rem;
  font-weight: 300;
  cursor: pointer;
  line-height: 1;
}

.close-btn:hover {
  color: var(--accent);
}

/* Footer */
footer {
  border-top: 1px solid var(--border-color);
  padding: 2rem 0;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 640px) {
  .gallery-grid {
    grid-template-columns: 1fr;
  }
}