body {
  background-color: #ffffff;
  color: #222222;
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
}

.header {
width: 100%;
  background-color: #fff;
  border-bottom: 1px solid #e5e5e5;
}

.header-container {
max-width: 1200px;
  margin: 0 auto;
  padding: 16px 20px;
  display: flex;
  align-items: flex-end;
}


.header-brand {
display: flex;
  align-items: flex-end;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 6px 20px;
}
.site-logo {
height: 120px;
  width: auto;
  display: block;
}
.logo-text {
  font-size: 28px;
  font-weight: 900;
  letter-spacing: 1px;
  color: #000000;
  text-transform: uppercase;
}

.geo-location {
font-size: 24px;
  color: #010101;

}

.header-contacts {
  text-align: right;
}

.header-phone {
  display: block;
  font-size: 20px;
  font-weight: bold;
  color: #000000;
  text-decoration: none;
}

.header-phone:hover {
  color: #0066cc;
}

.header-desc {
  font-size: 12px;
  color: #777777;
}

.more-features-link {
  display: inline-block;
  color: #d9e1e8;
  text-decoration: none !important; 
  font-size: 14px;
  margin-bottom: 20px;
}

.more-features-link:hover,
.more-features-link:focus {
  text-decoration: none !important; 
  color: #666666;
}

.btn-primary {
  display: block;
  width: 100%;
  background-color: #0066cc; 
  color: #fff;
  border: none;
  padding: 14px;
  font-size: 16px;
  font-weight: bold;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.2s;
  text-align: center;
  text-decoration: none;
}

.btn-primary:hover {
  background-color: #004b99; 
}

.product-container {
  max-width: 1200px;
  margin: 50px auto;
  padding: 0 20px;
  display: flex;
  gap: 60px; 
  background: #ffffff;
}

.product-gallery {
  flex: 1.8;
}

.main-photo img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  filter: drop-shadow(0px 15px 12px rgba(0, 0, 0, 0.08));
}
.main-photo {
width: 100%;
  height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #ffffff;
  overflow: hidden;
}

.photo-thumbs {
  display: flex;
  gap: 12px;
  margin-top: 15px;
}

.photo-thumbs img {
  width: calc(20% - 9px);
  height: 100px;
  object-fit: cover;
  border: 1px solid #d0d5dd;
  cursor: pointer;
  transition: border-color 0.2s;
  background: #f9fafb;
}

.photo-thumbs img:hover {
  border-color: #0066cc;
}


.product-info {
  flex: 2.4;
}

.product-title {
  font-size: 32px;
  font-weight: 700;
  margin: 0 0 10px 0;
  color: #111827;
  letter-spacing: -0.5px;
}

.product-subtitle {
  font-size: 15px;
  font-weight: 600;
  color: #111827;
  margin-bottom: 20px;
}

.product-description {
  font-size: 14px;
  line-height: 1.6;
  color: #4b5563;
  margin-bottom: 30px;
}

.specs-list {
  border-top: none;
  border-bottom: none;
  padding: 0;
  margin-bottom: 25px;
}

.spec-row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid #f3f4f6; 
  font-size: 14px;
}

.spec-label {
  color: #202123;
  font-weight: 600;
  flex: 1;
}

.spec-value {
  font-weight: 400;
  color: #4b5563;
  flex: 1;
  text-align: right;
}


.more-features-link:hover {
  color: #908f8f;
}

.btn-primary {
  display: block;
  width: 100%;
  background-color: #1d6fa5; 
  color: #fff;
  border: none;
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 2px; 
  cursor: pointer;
  transition: background-color 0.2s;
  text-align: center;
  text-decoration: none;
  letter-spacing: 0.3px;
}

.btn-primary:hover {
  background-color: #15557d;
}
.accordion-section {
  max-width: 1200px;
  margin: 50px auto 40px auto;
  padding: 0 20px;
}

.accordion-item {
  background: #f4f5f7; 
  border-radius: 2px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: background-color 0.2s ease;
}


.accordion-item:hover {
  background-color: #ebedf0;
}


.accordion-header {
  padding: 22px 25px;
  font-size: 16px;
  font-weight: 700;
  color: #111827;
  cursor: pointer;
  user-select: none;
  list-style: none; 
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
}

.accordion-header::-webkit-details-marker {
  display: none;
}

.accordion-header::after {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  border-right: 2px solid #374151;
  border-bottom: 2px solid #374151;
  transform: rotate(45deg); 
  transition: transform 0.3s ease;
  margin-left: 15px;
}

details[open] .accordion-header::after {
  transform: rotate(-135deg);
}


.accordion-content {
  background-color: #ffffff; 
  border-top: 1px solid #e5e7eb;
  padding: 40px 60px; 
}

.feature-row {
display: flex;
  align-items: flex-start;
  gap: 50px;
  margin-bottom: 50px;
  width: 100%;
}

.feature-row.reverse {
  display: flex;
  align-items: flex-start; 
  gap: 40px; 
  margin-bottom: 40px;
  max-width: 1050px; 
  flex-direction: row-reverse;
}

.feature-img {
  width: 395px;
  height: auto;
  flex-shrink: 0;
  border: none; 
  background: transparent; 
  box-shadow: none; 
}

feature-text {
  max-width: 580px;
}
.feature-text h3 {


margin-top: 0;
  margin-bottom: 13px;
  font-size: 28px;
  font-weight: 700;
  color: #111827;
  letter-spacing: -0.3px;
    display: flex;
    align-items: flex-start;
}
.feature-text p {
color: #4b5563;
  line-height: 1.6;
  font-size: 20px;
  margin: 0;
      display: flex;
    align-items: flex-start;
    line-height: 1.5;
}


.specs-group {
  margin-bottom: 25px;
}

.specs-title {
  font-size: 16px;
  color: #111827;
  font-weight: 700;
  border-bottom: 2px solid #1d6fa5;
  padding-bottom: 8px;
  margin-bottom: 15px;
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
}

.specs-table td {
  padding: 12px 15px;
  border-bottom: 1px solid #f3f4f6;
  font-size: 14px;
}

.specs-table td:first-child {
  color: #6b7280;
  width: 50%;
}

.specs-table td:last-child {
  font-weight: 400;
  color: #111827;
}
.btn-accordion {
  background-color: #2885d1;
  border-radius: 4px;
  overflow: hidden;
  transition: background-color 0.2s ease;
  width: 100%;
  box-sizing: border-box;
  box-shadow: 0 4px 12px rgba(31, 111, 178, 0.2);
}

.btn-accordion:hover {
  background-color: #15578d;
}

.btn-accordion-header {
  padding: 16px 20px;
  color: #fafbfc;
  font-weight: 600;
  font-size: 16px;
  text-align: center;
  cursor: pointer;
  user-select: none;
  list-style: none; 
}


.btn-accordion-header::-webkit-details-marker {
  display: none;
}

.btn-accordion-content {
  padding: 15px 20px 20px 20px;
  background-color: #ffffff;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  text-align: center;
}

.phone-link {
  display: block;
  font-size: 18px;
  font-weight: 700;
  color: #111827;
  text-decoration: none;
  margin-bottom: 4px;
}

.phone-link:hover {
  color: #1f6fb2;
}

.phone-desc {
  font-size: 12px;
  color: #6b7280;
}

@media (max-width: 768px) {
  .header {
    padding: 12px 16px;
  }
  
  .header-brand {
  max-width: 1200px; 
  margin: 0 auto;    
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  }

  .site-logo {
    height: 125px; 
  }

 
  .product-container {
    flex-direction: column;
    padding: 16px;
    gap: 24px;
  }
.geo-location {
padding-right: 24px; 
}
  .product-gallery {
    width: 100%;
  }

  .main-photo {
    height: 320px; 
  }

  .photo-thumbs {
    justify-content: center;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .thumb-img {
    width: 65px;
    height: 65px;
    flex-shrink: 0;
  }


  .product-title {
    font-size: 22px;
    line-height: 1.25;
  }

  .product-subtitle {
    font-size: 14px;
  }

  .spec-row {
    flex-direction: column; 
    align-items: flex-start;
    gap: 2px;
    padding: 8px;
  }

  .spec-value {
    text-align: left;
    font-weight: 600;
  }

  .feature-row,
  .feature-row.reverse {
    flex-direction: column !important; 
    gap: 16px;
    margin-bottom: 32px;
  }

  .feature-img {
    width: 100%;
    max-height: 240px;
    object-fit: cover;
    border-radius: 8px;
  }

  .feature-text h3 {
    font-size: 30px;
  }


  .specs-table tr {
    display: flex;
    flex-direction: column;
    padding: 8px 0;
  }

  .specs-table td {
  }

  .specs-table td:first-child {
color: #111827;
        font-size: 13px;
        font-weight: 600;
  }

  .specs-table td:last-child {
    font-weight: 500;
  }

  .btn-accordion-header {
    font-size: 16px;
    padding: 14px;
  }
  .accordion-header {
    padding: 35px 25px;
    font-size: 16px;
    font-weight: 700;
    color: #111827;
    cursor: pointer;
    user-select: none;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}