:root {
  --primary-color: #000033; /* Dark navy from logo */
  --secondary-color: #f8f9fa;
  --accent-color: #00b6d8; /* Turquoise blue from logo */
  --text-color: #333;
  --light-gray: #e9ecef;
  --dark-gray: #6c757d;
  --white: #ffffff;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100' viewBox='0 0 100 100'%3E%3Cpath fill='%230095ff' fill-opacity='0.05' d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z'/%3E%3C/svg%3E"), linear-gradient(to bottom, rgba(230, 245, 255, 0.3), rgba(255, 255, 255, 0.8));
  color: var(--text-color);
  line-height: 1.6;
}

.certificate-section {
  padding: 60px 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100' viewBox='0 0 100 100'%3E%3Cpath fill='%230095ff' fill-opacity='0.05' d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z'/%3E%3C/svg%3E"), linear-gradient(to bottom, rgba(230, 245, 255, 0.3), rgba(255, 255, 255, 0.8));
}

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

.section-header {
  text-align: center;
  margin-bottom: 50px;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 10px;
  font-weight: 700;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background-color: var(--accent-color);
  border-radius: 2px;
}

.accent {
  color: var(--primary-color);
}

.tagline {
  color: var(--dark-gray);
  font-size: 1.1rem;
  margin-bottom: 15px;
}

.description {
  font-size: 1.1rem;
  max-width: 800px;
  margin: 0 auto 40px;
  text-align: center;
}

.company-name {
  color: var(--primary-color);
  font-weight: 600;
}

.certificates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.certificate-card {
  background-color: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 10px 20px rgba(0,0,0,0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  position: relative;
}

.certificate-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0,0,0,0.12);
}

.card-image {
  position: relative;
  height: 280px;
  overflow: hidden;
  background-color: var(--light-gray);
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  transition: transform 0.5s ease;
}

.certificate-card:hover .card-image img {
  transform: scale(1.05);
}

.overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 51, 0.2);
  opacity: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.3s ease;
}

.certificate-card:hover .overlay {
  opacity: 1;
}

.view-btn {
  background-color: var(--accent-color);
  color: var(--white);
  border: none;
  padding: 12px 25px;
  border-radius: 30px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.3s ease;
  display: flex;
  align-items: center;
  gap: 8px;
}

.view-btn:hover {
  background-color: #0099b3; /* Slightly darker turquoise on hover */
}

.card-content {
  padding: 20px;
}

.card-title {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 5px;
  color: var(--primary-color);
}

.card-description {
  color: var(--dark-gray);
  font-size: 0.95rem;
  margin-bottom: 15px;
}

.certificate-badge {
  display: inline-block;
  background-color: var(--primary-color);
  color: var(--white);
  padding: 5px 10px;
  border-radius: 5px;
  font-size: 0.8rem;
  font-weight: 500;
}

/* Modal Styles */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0,0,0,0.8);
  align-items: center;
  justify-content: center;
}

.modal-content {
  position: relative;
  background-color: var(--white);
  max-width: 90%;
  max-height: 90%;
  border-radius: 8px;
  overflow: hidden;
  animation: modalFadeIn 0.3s;
}

.modal-image {
  width: 100%;
  height: auto;
  max-height: 85vh;
  display: block;
}

.close-modal {
  position: absolute;
  top: 15px;
  right: 15px;
  font-size: 30px;
  color: var(--white);
  cursor: pointer;
  z-index: 1001;
  width: 40px;
  height: 40px;
  background-color: rgba(0,0,0,0.5);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.3s ease;
}

.close-modal:hover {
  background-color: rgba(0,0,0,0.8);
}

.modal-title {
  padding: 15px;
  background-color: var(--primary-color);
  color: var(--white);
  font-size: 1.2rem;
  font-weight: 600;
}

@keyframes modalFadeIn {
  from {
      opacity: 0;
      transform: scale(0.9);
  }
  to {
      opacity: 1;
      transform: scale(1);
  }
}

/* Filter controls */
.filter-controls {
  margin-bottom: 30px;
  display: flex;
  justify-content: center;
  gap: 15px;
  flex-wrap: wrap;
}

.filter-btn {
  background-color: var(--white);
  color: var(--text-color);
  border: 2px solid var(--light-gray);
  padding: 8px 18px;
  border-radius: 25px;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}

.filter-btn:hover, .filter-btn.active {
  background-color: var(--primary-color);
  color: var(--white);
  border-color: var(--primary-color);
}

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

.certificate-card {
  animation: fadeInUp 0.6s ease forwards;
}

/* Custom Pagination */
.pagination {
  display: flex;
  justify-content: center;
  margin-top: 40px;
  gap: 8px;
}

.page-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--light-gray);
  background-color: var(--white);
  color: var(--text-color);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.page-btn:hover, .page-btn.active {
  background-color: var(--primary-color);
  color: var(--white);
  border-color: var(--primary-color);
}

.nav-btn {
  background-color: var(--white);
  border: 1px solid var(--light-gray);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  color: var(--dark-gray);
}

.nav-btn:hover {
  background-color: var(--primary-color);
  color: var(--white);
  border-color: var(--primary-color);
}

.nav-btn.disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Media Queries */
@media screen and (max-width: 1024px) {
  .section-title {
      font-size: 2.2rem;
  }
  
  .certificates-grid {
      grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
      gap: 20px;
  }
  
  .card-image {
      height: 240px;
  }
}

@media screen and (max-width: 768px) {
  .certificate-section {
      padding: 40px 0;
  }
  
  .section-title {
      font-size: 2rem;
  }
  
  .description {
      font-size: 1rem;
  }
  
  .certificates-grid {
      grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
      gap: 15px;
  }
  
  .card-image {
      height: 200px;
  }
  
  .filter-controls {
      gap: 10px;
  }
  
  .filter-btn {
      padding: 6px 14px;
      font-size: 0.85rem;
  }
}

@media screen and (max-width: 480px) {
  .section-title {
      font-size: 1.8rem;
  }
  
  .certificates-grid {
      grid-template-columns: 1fr;
  }
  
  .card-image {
      height: 220px;
  }
  
  .filter-controls {
      flex-direction: column;
      align-items: center;
      gap: 8px;
  }
  
  .filter-btn {
      width: 100%;
      max-width: 200px;
      text-align: center;
  }
  
  .pagination {
      gap: 5px;
  }
  
  .page-btn, .nav-btn {
      width: 36px;
      height: 36px;
  }
}