/* About Page - Optimized Mobile-First CSS */
.about-page {
  --primary: #f56200;
  --primary-dark: #e55100;
  --secondary: #d84315;
  --text: #333;
  --text-light: #666;
  --bg-light: #f8f9fa;
  --bg-white: #fff;
  --shadow: 0 2px 12px rgba(0,0,0,0.08);
  --shadow-hover: 0 4px 20px rgba(0,0,0,0.12);
  --radius: 12px;
  --transition: all 0.3s ease;
}

/* Base Typography & Layout */
.about-page {
  font-family: "Open Sans", sans-serif;
  line-height: 1.6;
  color: var(--text);
}

.about-page h2, 
.about-page h3, 
.about-page h4 {
  font-family: "Raleway", sans-serif;
  font-weight: 700;
  margin: 0 0 1rem 0;
}

/* Modal Styles */
.about-page .modal-content {
  border: none;
  border-radius: var(--radius);
  box-shadow: var(--shadow-hover);
}

.about-page .modal-header {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  padding: 1.5rem;
  border: none;
}

.about-page .modal-title {
  font-size: 1.5rem;
  margin: 0;
}

.about-page .modal-header .close {
  color: white;
  opacity: 0.8;
  border: none;
  background: none;
  font-size: 1.5rem;
  padding: 0;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  transition: var(--transition);
}

.about-page .modal-header .close:hover {
  opacity: 1;
  background: rgba(255,255,255,0.1);
}

.about-page .modal .img img {
  width: 100%;
  height: 280px;
  object-fit: cover;
}

.about-page .values_modal {
  padding: 2rem;
}

.about-page .values_modal p {
  font-size: 1rem;
  color: var(--text-light);
  margin-bottom: 1.5rem;
  padding-left: 2rem;
  position: relative;
}

.about-page .values_modal p .fa-diamond {
  position: absolute;
  left: 0;
  top: 0.25rem;
  color: var(--primary);
}

.about-page .modal-footer {
  background: var(--bg-light);
  border: none;
  padding: 1.25rem 2rem;
}

.about-page .modal-footer .btn-default {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  border: none;
  padding: 0.75rem 1.75rem;
  border-radius: 1.5rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: var(--transition);
}

.about-page .modal-footer .btn-default:hover {
  background: linear-gradient(135deg, var(--primary-dark), var(--secondary));
  transform: translateY(-2px);
  color: white;
}

/* Breadcrumbs */
.about-page .breadcrumbs {
  background: var(--bg-light);
  padding: 2rem 0;
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

.about-page .breadcrumbs h2 {
  font-size: clamp(1.5rem, 4vw, 2rem);
  color: var(--text);
}

.about-page .breadcrumbs ol {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 0.5rem;
  font-size: 0.875rem;
}

.about-page .breadcrumbs ol li {
  color: var(--text-light);
}

.about-page .breadcrumbs ol li a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}

.about-page .breadcrumbs ol li a:hover {
  color: var(--primary-dark);
}

/* Section Headers */
.about-page .section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.about-page .section-header h2 {
  font-size: clamp(1.75rem, 5vw, 2.25rem);
  position: relative;
  margin-bottom: 1rem;
}

.about-page .section-divider {
  width: 4rem;
  height: 0.25rem;
  background: linear-gradient(90deg, var(--primary), var(--primary-dark));
  margin: 0 auto 1.5rem;
  border-radius: 2px;
  position: relative;
}

.about-page .section-divider::before {
  content: '';
  position: absolute;
  top: -0.25rem;
  left: 50%;
  transform: translateX(-50%);
  width: 0.75rem;
  height: 0.75rem;
  background: var(--primary);
  border-radius: 50%;
  border: 2px solid var(--bg-white);
}

/* Main Sections */
.about-page .about-section,
.about-page .quality-section {
  padding: clamp(3rem, 8vw, 5rem) 0;
  background: linear-gradient(135deg, var(--bg-white) 0%, var(--bg-light) 100%);
}

.about-page .about-content,
.about-page .quality-content {
  background: var(--bg-white);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border-left: 4px solid var(--primary);
  margin-bottom: 2rem;
}

.about-page .about-content p,
.about-page .quality-content p {
  font-size: clamp(0.875rem, 2vw, 1rem);
  color: var(--text-light);
  margin-bottom: 1.25rem;
}

.about-page .about-content p.lead,
.about-page .quality-content p.lead {
  font-size: clamp(1rem, 2.5vw, 1.125rem);
  font-weight: 600;
  color: var(--text);
  margin-bottom: 1.75rem;
}

/* Sidebar Menu */
.about-page .sidebar-menu {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 2rem;
}

.about-page .menu-item {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  padding: 1.25rem;
  border-radius: var(--radius);
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  text-decoration: none;
  overflow: hidden;
  position: relative;
}

.about-page .menu-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
  transition: left 0.6s ease;
}

.about-page .menu-item:hover::before {
  left: 100%;
}

.about-page .menu-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  background: linear-gradient(135deg, var(--primary-dark), var(--secondary));
  text-decoration: none;
  color: white;
}

.about-page .menu-item h3 {
  font-size: clamp(0.875rem, 2vw, 0.9375rem);
  font-weight: 600;
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.about-page .menu-item i {
  font-size: clamp(1rem, 3vw, 1.125rem);
}

/* Quality Features */
.about-page .quality-features {
  margin-top: 2rem;
}

.about-page .feature-item {
  background: var(--bg-light);
  padding: 1.125rem;
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: var(--transition);
  border: 1px solid rgba(245, 98, 0, 0.08);
}

.about-page .feature-item:hover {
  background: var(--bg-white);
  box-shadow: var(--shadow);
  transform: translateX(4px);
}

.about-page .feature-item i {
  color: var(--primary);
  font-size: 1.125rem;
  width: 1.5rem;
  text-align: center;
  flex-shrink: 0;
}

.about-page .feature-item span {
  font-size: clamp(0.875rem, 2vw, 0.9375rem);
  font-weight: 500;
  color: var(--text);
}

/* Certificate Section - Mobile Optimized */
.about-page .certificate-section {
  background: var(--bg-white);
  padding: clamp(1.5rem, 4vw, 2rem);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border-left: 4px solid var(--primary);
  margin-bottom: 2rem;
}

.about-page .certificate-section h4 {
  font-size: clamp(1.125rem, 3vw, 1.375rem);
  text-align: center;
  margin-bottom: 1.5rem;
  position: relative;
}

.about-page .certificate-section h4::after {
  content: '';
  position: absolute;
  bottom: -0.5rem;
  left: 50%;
  transform: translateX(-50%);
  width: 2.5rem;
  height: 2px;
  background: var(--primary);
  border-radius: 1px;
}

.about-page .pdf-preview {
  text-align: center;
  padding: 1.5rem;
  background: var(--bg-light);
  border-radius: var(--radius);
  border: 2px dashed rgba(245, 98, 0, 0.2);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  min-height: 10rem;
}

.about-page .pdf-preview:hover {
  background: var(--bg-white);
  border-color: rgba(245, 98, 0, 0.4);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.about-page .pdf-content {
  display: block;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
}

.about-page .pdf-icon {
  font-size: clamp(2.5rem, 6vw, 3rem);
  color: var(--primary);
  transition: var(--transition);
}

.about-page .pdf-preview:hover .pdf-icon {
  transform: scale(1.1);
  color: var(--primary-dark);
}

.about-page .pdf-text h5 {
  font-size: clamp(1rem, 3vw, 1.125rem);
  color: var(--text);
  margin: 0 0 0.5rem 0;
}

.about-page .pdf-description {
  font-size: clamp(0.875rem, 2vw, 0.9375rem);
  color: var(--text-light);
  margin: 0;
}

.about-page .pdf-buttons {
  display: block;
  flex-direction: column;
  gap: 0.75rem;
  width: 100%;
  max-width: 12rem;
}

.about-page .btn-view-pdf,
.about-page .btn-download-pdf {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.25rem;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  text-decoration: none;
  border-radius: 1.25rem;
  font-size: clamp(0.75rem, 2vw, 0.875rem);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: var(--transition);
  box-shadow: var(--shadow);
  border: none;
  cursor: pointer;
  white-space: nowrap;
  margin-bottom: 10px;
}

.about-page .btn-view-pdf:hover,
.about-page .btn-download-pdf:hover {
  background: linear-gradient(135deg, var(--primary-dark), var(--secondary));
  color: white;
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.about-page .btn-download-pdf {
  background: linear-gradient(135deg, #6c757d, #495057);
}

.about-page .btn-download-pdf:hover {
  background: linear-gradient(135deg, #495057, var(--text));
}

.about-page .btn-view-pdf i,
.about-page .btn-download-pdf i {
  margin-right: 0.375rem;
  font-size: 0.75rem;
}

/* Desktop Enhancements */
@media (min-width: 769px) {
  .about-page .sidebar-menu {
    position: sticky;
    top: 7.5rem;
    margin-top: 0;
  }
  
  .about-page .certificate-section {
    position: sticky;
    top: 7.5rem;
  }
  
  .about-page .pdf-content {
    flex-direction: row;
    text-align: left;
  }
  
  .about-page .pdf-text {
    text-align: left;
    flex: 1;
  }
  
  .about-page .pdf-buttons {
    flex-direction: row;
    max-width: none;
    flex-shrink: 0;
  }
  
  .about-page .breadcrumbs .d-flex {
    display: flex !important;
    justify-content: space-between;
    align-items: center;
  }
  
  .about-page .menu-item {
    flex-direction: row;
  }
}

/* Large Desktop Adjustments */
@media (min-width: 1200px) {
  .about-page .pdf-preview {
    min-height: 10.625rem;
  }
  
  .about-page .certificate-section {
    width: 120%;
    margin-left: -10%;
  }
}

/* Accessibility & Performance */
.about-page .btn-view-pdf:focus,
.about-page .btn-download-pdf:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.about-page .menu-item:focus {
  outline: 2px solid rgba(255,255,255,0.8);
  outline-offset: 2px;
}

/* Smooth animations */
.about-page .modal.fade .modal-dialog {
  transform: scale(0.9) translateY(-1.25rem);
  opacity: 0;
  transition: var(--transition);
}

.about-page .modal.show .modal-dialog {
  transform: scale(1) translateY(0);
  opacity: 1;
}

/* Print styles */
@media print {
  .about-page .modal,
  .about-page .sidebar-menu {
    display: none;
  }
  
  .about-page .about-content,
  .about-page .quality-content {
    box-shadow: none;
    border: 1px solid #ccc;
  }
}