@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700&display=swap');

.doc-html {
  font-size: 16px;
  scroll-behavior: smooth;
}

.page-body {
  margin: 0;
  padding: 0;
  font-family: 'Montserrat', sans-serif;
  background-color: #fafafa;
  color: #2c3e50;
  line-height: 1.6;
}

.loader-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #ffffff;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity 0.5s ease;
}

.loader-spinner {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: 3px solid transparent;
  border-top-color: #1a2530;
  border-bottom-color: #a3c2ce;
  animation: spin 1.2s cubic-bezier(0.5, 0.1, 0.4, 0.9) infinite;
  position: relative;
}

.loader-spinner::before {
  content: "";
  position: absolute;
  top: 8px;
  left: 8px;
  right: 8px;
  bottom: 8px;
  border-radius: 50%;
  border: 3px solid transparent;
  border-top-color: #a3c2ce;
  border-bottom-color: #1a2530;
  animation: spin 2s linear infinite reverse;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.hidden-loader {
  opacity: 0;
  pointer-events: none;
}

.top-notice {
  background-color: #1a2530;
  color: #ffffff;
  text-align: center;
  padding: 8px 15px;
  font-size: 0.8rem;
  letter-spacing: 0.5px;
}

.site-header {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 15px rgba(0,0,0,0.03);
}

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

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.brand-logo {
  font-size: 1.6rem;
  font-weight: 700;
  color: #1a2530;
  text-decoration: none;
  letter-spacing: 3px;
  text-transform: uppercase;
}

.brand-accent {
  color: #a3c2ce;
  font-weight: 300;
  letter-spacing: 2px;
}

.nav-menu {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 30px;
}

.nav-link {
  text-decoration: none;
  color: #555;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.3s ease;
}

.nav-link:hover {
  color: #a3c2ce;
}

.btn-primary {
  display: inline-block;
  background-color: #a3c2ce;
  color: #ffffff;
  padding: 12px 28px;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: background-color 0.3s ease, transform 0.2s ease;
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  background-color: #8daeb9;
  transform: translateY(-2px);
}

.btn-outline {
  display: inline-block;
  background-color: transparent;
  color: #1a2530;
  padding: 11px 27px;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  border: 1px solid #1a2530;
  transition: all 0.3s ease;
}

.btn-outline:hover {
  background-color: #1a2530;
  color: #ffffff;
}

.hero-section {
  padding: 80px 0;
  background: linear-gradient(135deg, #fdfbfb 0%, #ebedee 100%);
  display: flex;
  align-items: center;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-content {
  padding-right: 40px;
}

.hero-badge {
  display: inline-block;
  background-color: rgba(163, 194, 206, 0.15);
  color: #6c8a96;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 20px;
}

.main-title {
  font-size: 3.5rem;
  font-weight: 300;
  color: #1a2530;
  line-height: 1.1;
  margin: 0 0 25px 0;
}

.title-strong {
  font-weight: 700;
  display: block;
}

.hero-desc {
  font-size: 1.15rem;
  color: #666;
  margin: 0 0 35px 0;
  line-height: 1.7;
}

.price-box {
  background-color: #ffffff;
  border-left: 4px solid #a3c2ce;
  padding: 15px 25px;
  margin-bottom: 40px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.price-label {
  display: block;
  font-size: 0.85rem;
  color: #888;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.price-value {
  display: block;
  font-size: 1.8rem;
  font-weight: 700;
  color: #1a2530;
  margin-top: 5px;
}

.hero-actions {
  display: flex;
  gap: 15px;
}

.hero-image-wrap {
  position: relative;
}

.hero-img {
  width: 100%;
  max-width: 500px;
  border-radius: 8px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.1);
  display: block;
  margin: 0 auto;
}

.feature-section {
  padding: 100px 0;
  background-color: #ffffff;
}

.section-header {
  text-align: center;
  margin-bottom: 70px;
}

.section-subtitle {
  color: #a3c2ce;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.9rem;
  display: block;
  margin-bottom: 15px;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: #1a2530;
  margin: 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.feature-card {
  text-align: center;
  padding: 40px 30px;
  background-color: #fafafa;
  border-radius: 8px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0,0,0,0.06);
}

.feature-icon-wrap {
  width: 60px;
  height: 60px;
  background-color: #e9f0f3;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 25px auto;
  color: #a3c2ce;
  font-size: 1.5rem;
  font-weight: 700;
}

.feature-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: #1a2530;
  margin: 0 0 15px 0;
}

.feature-desc {
  color: #666;
  font-size: 0.95rem;
  margin: 0;
}

.gallery-section {
  padding: 100px 0;
  background-color: #f7f9fa;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.gallery-item {
  overflow: hidden;
  border-radius: 8px;
  background-color: #fff;
  box-shadow: 0 5px 15px rgba(0,0,0,0.03);
}

.gallery-img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.5s ease;
}

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

.cta-section {
  padding: 120px 0;
  background-color: #1a2530;
  text-align: center;
}

.cta-content {
  max-width: 700px;
  margin: 0 auto;
}

.cta-title {
  color: #ffffff;
  font-size: 2.8rem;
  font-weight: 300;
  margin: 0 0 25px 0;
}

.cta-desc {
  color: #aeb6bf;
  font-size: 1.1rem;
  margin: 0 0 40px 0;
}

.site-footer {
  background-color: #ffffff;
  padding: 70px 0 30px 0;
  border-top: 1px solid #eeeeee;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 50px;
  margin-bottom: 50px;
}

.footer-brand {
  margin-bottom: 20px;
}

.footer-desc {
  color: #777;
  font-size: 0.95rem;
  margin: 0;
}

.footer-col-title {
  font-weight: 700;
  color: #1a2530;
  font-size: 1.1rem;
  margin: 0 0 25px 0;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-link {
  color: #666;
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.3s ease;
}

.footer-link:hover {
  color: #a3c2ce;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 30px;
  border-top: 1px solid #eeeeee;
  color: #888;
  font-size: 0.9rem;
}

.contact-section {
  padding: 100px 0;
  background-color: #ffffff;
  min-height: 60vh;
}

.contact-wrap {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.contact-info {
  background-color: #fafafa;
  padding: 40px;
  border-radius: 8px;
  margin-top: 40px;
  text-align: left;
}

.contact-item {
  margin-bottom: 20px;
}

.contact-label {
  font-weight: 700;
  color: #1a2530;
  display: block;
  margin-bottom: 5px;
}

.contact-value {
  color: #555;
  margin: 0;
}

.review-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 80px 0;
}

.review-text {
  font-size: 1.1rem;
  line-height: 1.8;
  color: #444;
  margin-bottom: 25px;
}

.review-heading {
  font-size: 1.8rem;
  color: #1a2530;
  margin: 40px 0 20px 0;
}

.order-section {
  padding: 60px 0;
}

.order-layout {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 50px;
  align-items: start;
}

.order-gallery-main {
  background-color: #ffffff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 5px 20px rgba(0,0,0,0.04);
  margin-bottom: 20px;
}

.order-main-img {
  width: 100%;
  height: auto;
  display: block;
}

.order-thumbs {
  display: flex;
  gap: 15px;
}

.order-thumb {
  flex: 1;
  aspect-ratio: 1 / 1;
  border-radius: 6px;
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color 0.3s ease;
  background-color: #ffffff;
}

.thumb-active {
  border-color: #a3c2ce;
}

.order-thumb-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.price-panel {
  position: sticky;
  top: 100px;
}

.price-card {
  background-color: #ffffff;
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
  overflow: hidden;
  border-top: 4px solid #a3c2ce;
}

.price-card-inner {
  padding: 40px 30px;
}

.price-card-brand {
  color: #a3c2ce;
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin: 0 0 10px 0;
}

.price-card-title {
  font-size: 1.8rem;
  color: #1a2530;
  margin: 0 0 20px 0;
  line-height: 1.3;
}

.price-divider {
  height: 1px;
  background-color: #eeeeee;
  margin: 25px 0;
}

.price-amount-label {
  color: #777;
  font-size: 0.9rem;
  margin: 0 0 5px 0;
}

.price-amount {
  font-size: 2.5rem;
  font-weight: 700;
  color: #1a2530;
  margin: 0 0 10px 0;
}

.price-note {
  color: #888;
  font-size: 0.85rem;
  margin: 0 0 25px 0;
}

.availability-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  background-color: rgba(46, 204, 113, 0.1);
  padding: 10px 15px;
  border-radius: 4px;
  margin-bottom: 25px;
}

.availability-dot {
  width: 10px;
  height: 10px;
  background-color: #2ecc71;
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(46, 204, 113, 0.4); }
  70% { box-shadow: 0 0 0 10px rgba(46, 204, 113, 0); }
  100% { box-shadow: 0 0 0 0 rgba(46, 204, 113, 0); }
}

.availability-text {
  color: #27ae60;
  font-weight: 600;
  font-size: 0.9rem;
}

.spec-list {
  list-style: none;
  padding: 0;
  margin: 30px 0 0 0;
}

.spec-item {
  display: flex;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid #f5f5f5;
}

.spec-item:last-child {
  border-bottom: none;
}

.spec-key {
  color: #777;
  font-weight: 500;
}

.spec-val {
  color: #1a2530;
  font-weight: 600;
}

@media (max-width: 992px) {
  .hero-grid, .order-layout {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-content {
    padding-right: 0;
  }
  .hero-actions {
    justify-content: center;
  }
  .price-box {
    text-align: left;
    display: inline-block;
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

@media (max-width: 768px) {
  .features-grid, .gallery-grid {
    grid-template-columns: 1fr;
  }
  .nav-menu, .nav-container .btn-primary {
    display: none;
  }
  .main-title {
    font-size: 2.5rem;
  }
}
