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

body {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  background: #fafafa;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
header {
  background: white;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo {
  font-size: 1.8rem;
  font-weight: 300;
  color: #333;
  text-decoration: none;
  letter-spacing: 2px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-links a {
  text-decoration: none;
  color: #666;
  font-weight: 300;
  transition: color 0.3s;
}

.nav-links a:hover {
  color: #333;
}

/* Main Content */
main {
  margin-top: 80px;
  min-height: calc(100vh - 160px);
}

/* Hero Section */
.hero {
  height: 70vh;
  background: linear-gradient(rgba(0,0,0,0.3), rgba(0,0,0,0.3)), url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><rect fill="%23ddd" width="1200" height="600"/><text x="50%" y="50%" text-anchor="middle" dy=".3em" fill="%23999" font-size="24">Hero Photography</text></svg>');
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-align: center;
}

.hero-content h1 {
  font-size: 3rem;
  font-weight: 300;
  margin-bottom: 1rem;
  letter-spacing: 3px;
}

.hero-content p {
  font-size: 1.2rem;
  font-weight: 300;
  opacity: 0.9;
}

/* Gallery */
.gallery {
  padding: 4rem 0;
}

.gallery h2 {
  text-align: center;
  font-size: 2.5rem;
  font-weight: 300;
  margin-bottom: 3rem;
  color: #333;
}

.filter-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
}

.filter-btn {
  background: transparent;
  border: 1px solid #ddd;
  padding: 0.5rem 1.5rem;
  cursor: pointer;
  transition: all 0.3s;
  color: #666;
}

.filter-btn:hover,
.filter-btn.active {
  background: #333;
  color: white;
  border-color: #333;
}

.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.photo-item {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
  background: #f5f5f5;
}

.photo-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.photo-item:hover img {
  transform: scale(1.05);
}

.photo-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0,0,0,0.7));
  color: white;
  padding: 2rem 1rem 1rem;
  transform: translateY(100%);
  transition: transform 0.3s;
}

.photo-item:hover .photo-overlay {
  transform: translateY(0);
}

/* Shop */
.shop {
  padding: 4rem 0;
  background: white;
}

.shop h2 {
  text-align: center;
  font-size: 2.5rem;
  font-weight: 300;
  margin-bottom: 3rem;
  color: #333;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.product-card {
  background: white;
  border: 1px solid #eee;
  overflow: hidden;
  transition: box-shadow 0.3s;
}

.product-card:hover {
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.product-image {
  width: 100%;
  height: 250px;
  background: #f5f5f5;
  overflow: hidden;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-info {
  padding: 1.5rem;
}

.product-info h3 {
  font-size: 1.3rem;
  font-weight: 400;
  margin-bottom: 0.5rem;
}

.product-info p {
  color: #666;
  margin-bottom: 1rem;
}

.product-price {
  font-size: 1.2rem;
  font-weight: 600;
  color: #333;
  margin-bottom: 1rem;
}

.btn {
  background: #333;
  color: white;
  border: none;
  padding: 0.8rem 2rem;
  cursor: pointer;
  transition: background 0.3s;
  text-decoration: none;
  display: inline-block;
  text-align: center;
}

.btn:hover {
  background: #555;
}

.btn-secondary {
  background: transparent;
  color: #333;
  border: 1px solid #333;
}

.btn-secondary:hover {
  background: #333;
  color: white;
}

/* Forms */
.form-container {
  max-width: 500px;
  margin: 4rem auto;
  padding: 2rem;
  background: white;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: #333;
  font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.8rem;
  border: 1px solid #ddd;
  font-size: 1rem;
}

.form-group textarea {
  height: 120px;
  resize: vertical;
}

.error {
  color: #e74c3c;
  margin-bottom: 1rem;
  padding: 0.5rem;
  background: #fdf2f2;
  border: 1px solid #e74c3c;
}

/* Cart */
.cart-item {
  display: flex;
  align-items: center;
  padding: 1rem;
  border-bottom: 1px solid #eee;
}

.cart-item img {
  width: 80px;
  height: 80px;
  object-fit: cover;
  margin-right: 1rem;
}

.cart-item-info {
  flex: 1;
}

.cart-item-info h4 {
  margin-bottom: 0.5rem;
}

.cart-total {
  text-align: right;
  padding: 2rem;
  background: #f9f9f9;
  margin-top: 2rem;
}

.cart-total h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

/* Account & Admin */
.dashboard {
  padding: 2rem 0;
}

.dashboard-section {
  margin-bottom: 3rem;
}

.dashboard-section h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: #333;
}

.table {
  width: 100%;
  border-collapse: collapse;
  background: white;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.table th,
.table td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid #eee;
}

.table th {
  background: #f8f9fa;
  font-weight: 600;
}

.admin-form {
  background: white;
  padding: 2rem;
  margin-bottom: 2rem;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.admin-form h4 {
  margin-bottom: 1rem;
  color: #333;
}

.form-row {
  display: flex;
  gap: 1rem;
}

.form-row .form-group {
  flex: 1;
}

/* Footer */
footer {
  background: #333;
  color: white;
  text-align: center;
  padding: 2rem 0;
  margin-top: 4rem;
}

footer a {
  color: #ccc;
  text-decoration: none;
}

footer a:hover {
  color: white;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-links {
    gap: 1rem;
  }
  
  .hero-content h1 {
    font-size: 2rem;
  }
  
  .photo-grid,
  .product-grid {
    grid-template-columns: 1fr;
  }
  
  .form-row {
    flex-direction: column;
  }
  
  .cart-item {
    flex-direction: column;
    text-align: center;
  }
  
  .cart-item img {
    margin: 0 0 1rem 0;
  }
}