/* Product Detail Page Styles */

/* 네비게이션 로고 링크 */
.nav-logo a {
  color: inherit;
  text-decoration: none;
}

/* Product Hero Section */
.product-hero {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 20px 80px;
  position: relative;
  color: var(--white);
}

.product-hero-content {
  max-width: 800px;
  animation: fadeInUp 1s ease-out;
}

.product-icon-large {
  font-size: 140px;
  margin-bottom: 30px;
  filter: drop-shadow(0 8px 30px rgba(0, 0, 0, 0.3));
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}

.product-hero-title {
  font-size: clamp(48px, 8vw, 72px);
  font-weight: 800;
  letter-spacing: -2px;
  margin-bottom: 24px;
  line-height: 1.2;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.product-hero-subtitle {
  font-size: clamp(18px, 3vw, 24px);
  opacity: 0.95;
  margin-bottom: 32px;
  line-height: 1.6;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.product-status-large {
  display: inline-block;
  padding: 12px 32px;
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(10px);
  border-radius: 30px;
  font-size: 16px;
  font-weight: 600;
  border: 2px solid rgba(255, 255, 255, 0.3);
}

/* Product Features Section */
.product-features {
  padding: 100px 0;
  background: var(--secondary-color);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 48px;
  margin-top: 60px;
}

.feature-item {
  background: var(--white);
  padding: 48px 32px;
  border-radius: 24px;
  text-align: center;
  transition: var(--transition);
  box-shadow: 0 4px 20px var(--shadow);
}

.feature-item:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px var(--shadow);
}

.feature-icon {
  font-size: 72px;
  margin-bottom: 24px;
}

.feature-item h3 {
  font-size: 24px;
  margin-bottom: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.feature-item p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-secondary);
}

/* Product Specs Section */
.product-specs {
  padding: 100px 0;
  background: var(--white);
}

.product-specs .section-title {
  text-align: center;
  font-size: 40px;
  margin-bottom: 60px;
}

.specs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 32px;
  max-width: 1000px;
  margin: 0 auto;
}

.spec-item {
  background: var(--secondary-color);
  padding: 32px;
  border-radius: 16px;
  text-align: center;
  transition: var(--transition);
}

.spec-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px var(--shadow);
}

.spec-label {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 8px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.spec-value {
  font-size: 20px;
  color: var(--text-primary);
  font-weight: 600;
}

/* Back Section */
.back-section {
  padding: 60px 0;
  text-align: center;
  background: var(--secondary-color);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 32px;
  background: var(--primary-color);
  color: var(--white);
  text-decoration: none;
  border-radius: 24px;
  font-size: 16px;
  font-weight: 500;
  transition: var(--transition);
}

.back-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

/* Responsive Design for Product Pages */
@media (max-width: 768px) {
  .product-hero {
    min-height: 70vh;
    padding: 100px 20px 60px;
  }

  .product-icon-large {
    font-size: 100px;
  }

  .product-features {
    padding: 60px 0;
  }

  .features-grid {
    gap: 32px;
    margin-top: 40px;
  }

  .feature-item {
    padding: 32px 24px;
  }

  .product-specs {
    padding: 60px 0;
  }

  .specs-grid {
    gap: 24px;
  }

  .back-section {
    padding: 40px 0;
  }
}

/* Animation */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}