:root {
  --navy: #1a2a3a;
  --navy-light: #2c3e50;
  --gold: #c9a962;
  --gold-light: #dcc688;
  --gray: #6b7280;
  --gray-light: #f3f4f6;
  --white: #ffffff;
  --black: #111111;
}

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

body {
  font-family: 'Source Sans Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--navy);
  background: var(--white);
  line-height: 1.6;
}

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

.header {
  background: var(--white);
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
}

.logo {
  font-family: 'Playfair Display', serif;
  font-size: 28px;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 2px;
}

.nav a {
  color: var(--navy);
  text-decoration: none;
  margin-left: 32px;
  font-weight: 600;
  font-size: 15px;
  transition: color 0.3s;
}

.nav a:hover {
  color: var(--gold);
}

.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  color: var(--white);
  padding: 100px 24px;
  text-align: center;
}

.hero h1 {
  font-family: 'Playfair Display', serif;
  font-size: 56px;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 24px;
}

.hero p {
  font-size: 20px;
  color: #d1d5db;
  max-width: 600px;
  margin: 0 auto 32px;
}

.btn {
  display: inline-block;
  background: var(--gold);
  color: var(--navy);
  padding: 14px 32px;
  border-radius: 4px;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background 0.3s;
  font-size: 16px;
}

.btn:hover {
  background: var(--gold-light);
}

.btn-whatsapp {
  background: #25D366;
  color: var(--white);
  margin-top: 16px;
}

.btn-whatsapp:hover {
  background: #20bd5a;
}

.section {
  padding: 80px 24px;
}

.section h2 {
  font-family: 'Playfair Display', serif;
  font-size: 42px;
  text-align: center;
  margin-bottom: 48px;
  color: var(--navy);
}

.filter-tabs {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.filter-btn {
  background: var(--white);
  border: 2px solid var(--gray-light);
  padding: 10px 24px;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 600;
  color: var(--gray);
  transition: all 0.3s;
}

.filter-btn:hover,
.filter-btn.active {
  border-color: var(--gold);
  color: var(--navy);
  background: var(--gold-light);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 32px;
}

.product-card {
  background: var(--white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  transition: transform 0.3s, box-shadow 0.3s;
  cursor: pointer;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.12);
}

.product-image {
  width: 100%;
  height: 320px;
  object-fit: cover;
  background: var(--gray-light);
}

.product-info {
  padding: 20px;
}

.product-category {
  font-size: 12px;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
  margin-bottom: 8px;
}

.product-name {
  font-size: 18px;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 8px;
}

.product-price {
  font-size: 20px;
  font-weight: 700;
  color: var(--gold);
}

.about {
  background: var(--gray-light);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 32px;
}

.feature-card {
  background: var(--white);
  padding: 32px;
  border-radius: 8px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}

.feature-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 20px;
  color: var(--navy);
  margin-bottom: 12px;
}

.feature-card p {
  color: var(--gray);
  font-size: 15px;
}

.contacts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.contact-item {
  margin-bottom: 24px;
}

.contact-item strong {
  display: block;
  color: var(--navy);
  font-size: 16px;
  margin-bottom: 4px;
}

.contact-item p {
  color: var(--gray);
  font-size: 16px;
}

.contact-item a {
  color: var(--navy);
  text-decoration: none;
}

.contact-item a:hover {
  color: var(--gold);
}

.footer {
  background: var(--navy);
  color: var(--white);
  padding: 32px 24px;
  text-align: center;
}

.footer p {
  color: #9ca3af;
  font-size: 14px;
}

.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1000;
  align-items: center;
  justify-content: center;
}

.modal.active {
  display: flex;
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.6);
}

.modal-window {
  position: relative;
  background: var(--white);
  padding: 40px;
  border-radius: 8px;
  max-width: 450px;
  width: 90%;
  z-index: 1001;
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 16px;
  background: none;
  border: none;
  font-size: 32px;
  cursor: pointer;
  color: var(--gray);
}

.modal-close:hover {
  color: var(--navy);
}

.modal h3 {
  font-family: 'Playfair Display', serif;
  font-size: 28px;
  color: var(--navy);
  margin-bottom: 12px;
}

.modal p {
  color: var(--gray);
  margin-bottom: 24px;
}

.modal form input {
  width: 100%;
  padding: 14px;
  margin-bottom: 16px;
  border: 2px solid var(--gray-light);
  border-radius: 4px;
  font-size: 16px;
  font-family: inherit;
}

.modal form input:focus {
  outline: none;
  border-color: var(--gold);
}

.modal form .btn {
  width: 100%;
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.in {
  opacity: 1;
  transform: none;
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 36px;
  }
  
  .hero p {
    font-size: 18px;
  }
  
  .section h2 {
    font-size: 32px;
  }
  
  .nav {
    display: none;
  }
  
  .contacts-grid {
    grid-template-columns: 1fr;
  }
  
  .header-inner {
    justify-content: center;
  }
}