:root {
  --primary-color: #CB4F25;
  --secondary-color: #1D7F9F;
  --accent-color: #EFC74D;
  --text-color: #333333;
  --bg-color: #ffffff;
  --border-color: #e0e0e0;
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 32px;
  --spacing-xl: 48px;
  --spacing-xxl: 64px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Roboto', system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: var(--text-color);
  background: var(--bg-color);
}

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 1.5rem;
  width: 100%;
}

.navbar {
  background: #ffffff;
  border-bottom: 2px solid var(--border-color);
  padding: var(--spacing-sm) 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

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

.logo {
  font-size: 28px;
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
  display: flex;
  align-items: center;
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 28px;
  color: var(--text-color);
  cursor: pointer;
  padding: 8px;
}

.main-nav {
  max-height: none;
  overflow: visible;
  transition: max-height 0.3s ease;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: var(--spacing-md);
  align-items: center;
}

.nav-item {
  display: inline-block;
}

.nav-link {
  text-decoration: none;
  color: var(--text-color);
  font-weight: 500;
  padding: 8px 16px;
  display: block;
  transition: color 0.3s ease;
}

.nav-link:hover {
  color: var(--primary-color);
}

.nav-link.active {
  color: var(--primary-color);
  border-bottom: 2px solid var(--primary-color);
}

.header-main {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: #ffffff;
  padding: var(--spacing-xxl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.header-main::before {
  content: '';
  position: absolute;
  top: 0;
  left: -50%;
  width: 200%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  animation: shimmer 3s infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.header-main h1 {
  font-size: 64px;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

.header-main p {
  font-size: 24px;
  margin-bottom: var(--spacing-lg);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.primary-cta {
  display: inline-block;
  background: var(--accent-color);
  color: #333333;
  padding: 16px 32px;
  text-decoration: none;
  font-weight: 700;
  font-size: 18px;
  border-radius: 4px;
  transition: all 0.3s ease;
  border: 2px solid var(--accent-color);
}

.primary-cta:hover {
  background: #ffffff;
  color: var(--primary-color);
  border-color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.content-section {
  padding: var(--spacing-xxl) 0;
}

.content-section.bg-light {
  background: #f8f9fa;
}

.content-section h2 {
  font-size: 48px;
  margin-bottom: var(--spacing-lg);
  color: var(--primary-color);
  text-align: center;
  font-weight: 700;
}

.content-section h3 {
  font-size: 32px;
  margin-bottom: var(--spacing-md);
  color: var(--secondary-color);
  font-weight: 700;
}

.content-section p {
  font-size: 18px;
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
}

.content-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.info-card {
  flex: 1 1 calc(25% - var(--spacing-lg));
  background: #ffffff;
  padding: var(--spacing-lg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  transition: all 0.3s ease;
  min-width: 250px;
}

.info-card:hover {
  box-shadow: 0 8px 16px rgba(0,0,0,0.1);
  transform: translateY(-4px);
  border-color: var(--primary-color);
}

.info-card h3 {
  font-size: 24px;
  margin-bottom: var(--spacing-sm);
  color: var(--primary-color);
}

.info-card p {
  font-size: 16px;
  line-height: 1.5;
  margin-bottom: var(--spacing-sm);
}

.info-card .action-button {
  margin-top: var(--spacing-md);
}

.flex-container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
  align-items: flex-start;
}

.flex-container.two-col {
  gap: var(--spacing-xl);
}

.flex-container.two-col > * {
  flex: 1 1 calc(50% - var(--spacing-xl) / 2);
  min-width: 300px;
}

.action-button {
  display: inline-block;
  background: var(--primary-color);
  color: #ffffff;
  padding: 12px 24px;
  text-decoration: none;
  font-weight: 500;
  border-radius: 4px;
  border: 2px solid var(--primary-color);
  transition: all 0.3s ease;
  cursor: pointer;
  font-size: 16px;
}

.action-button:hover {
  background: #ffffff;
  color: var(--primary-color);
}

.action-button.secondary {
  background: var(--secondary-color);
  border-color: var(--secondary-color);
}

.action-button.secondary:hover {
  background: #ffffff;
  color: var(--secondary-color);
}

.action-button.outline {
  background: transparent;
  color: var(--primary-color);
}

.action-button.outline:hover {
  background: var(--primary-color);
  color: #ffffff;
}

.detail-box {
  background: #ffffff;
  padding: var(--spacing-lg);
  border-left: 4px solid var(--accent-color);
  margin-bottom: var(--spacing-md);
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.detail-box h3 {
  font-size: 24px;
  margin-bottom: var(--spacing-sm);
  color: var(--primary-color);
}

.detail-box ul {
  margin-left: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.detail-box li {
  margin-bottom: 8px;
  line-height: 1.6;
}

.testimonial-card {
  background: #ffffff;
  padding: var(--spacing-lg);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  margin-bottom: var(--spacing-md);
  border-top: 3px solid var(--accent-color);
}

.testimonial-card p {
  font-style: italic;
  margin-bottom: var(--spacing-md);
  font-size: 18px;
  line-height: 1.6;
}

.testimonial-author {
  font-weight: 700;
  color: var(--primary-color);
  font-style: normal;
}

.form-section {
  background: #f8f9fa;
  padding: var(--spacing-xxl) 0;
}

.contact-form {
  max-width: 600px;
  margin: 0 auto;
  background: #ffffff;
  padding: var(--spacing-xl);
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--text-color);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 16px;
  font-family: inherit;
  transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(203, 79, 37, 0.1);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.submit-btn {
  width: 100%;
  background: var(--primary-color);
  color: #ffffff;
  padding: 16px;
  border: none;
  border-radius: 4px;
  font-size: 18px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
}

.submit-btn:hover {
  background: var(--secondary-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.footer {
  background: #2c3e50;
  color: #ffffff;
  padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
}

.footer-column {
  flex: 1 1 250px;
}

.footer-column h4 {
  font-size: 20px;
  margin-bottom: var(--spacing-md);
  color: var(--accent-color);
}

.footer-column ul {
  list-style: none;
}

.footer-column li {
  margin-bottom: 8px;
}

.footer-column a {
  color: #ffffff;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-column a:hover {
  color: var(--accent-color);
}

.footer-contact p {
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255,255,255,0.1);
  color: #bdc3c7;
}

.social-links {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  color: #ffffff;
  text-decoration: none;
  transition: all 0.3s ease;
}

.social-link:hover {
  background: var(--accent-color);
  color: #333333;
  transform: scale(1.1);
}

.image-container {
  width: 100%;
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  margin-bottom: var(--spacing-md);
}

.image-container img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.3s ease;
}

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

.video-container {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: 8px;
  margin-bottom: var(--spacing-md);
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.stats-section {
  background: var(--primary-color);
  color: #ffffff;
  padding: var(--spacing-xl) 0;
  text-align: center;
}

.stats-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
  justify-content: center;
  margin-top: var(--spacing-lg);
}

.stat-item {
  flex: 1 1 200px;
  padding: var(--spacing-md);
}

.stat-number {
  font-size: 48px;
  font-weight: 700;
  display: block;
  margin-bottom: 8px;
  color: var(--accent-color);
}

.stat-label {
  font-size: 18px;
  font-weight: 500;
}

.faq-section {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: var(--spacing-md);
  overflow: hidden;
}

.faq-question {
  padding: var(--spacing-md);
  cursor: pointer;
  font-weight: 700;
  font-size: 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.3s ease;
}

.faq-question:hover {
  background: #f8f9fa;
}

.faq-answer {
  padding: 0 var(--spacing-md) var(--spacing-md);
  line-height: 1.6;
  display: none;
}

.faq-item.active .faq-answer {
  display: block;
}

.faq-item.active .faq-question {
  background: #f8f9fa;
  color: var(--primary-color);
}

.breadcrumb {
  padding: var(--spacing-md) 0;
  font-size: 14px;
}

.breadcrumb a {
  color: var(--secondary-color);
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.breadcrumb span {
  margin: 0 8px;
  color: #999999;
}

.page-header {
  background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
  color: #ffffff;
  padding: var(--spacing-xl) 0;
  text-align: center;
}

.page-header h1 {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.page-header p {
  font-size: 20px;
  max-width: 700px;
  margin: 0 auto;
}

.blog-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.blog-card {
  flex: 1 1 calc(33.333% - var(--spacing-lg));
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
  transition: all 0.3s ease;
  min-width: 280px;
}

.blog-card:hover {
  box-shadow: 0 8px 16px rgba(0,0,0,0.1);
  transform: translateY(-4px);
}

.blog-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.blog-content {
  padding: var(--spacing-md);
}

.blog-card h3 {
  font-size: 22px;
  margin-bottom: var(--spacing-sm);
  color: var(--primary-color);
}

.blog-card .blog-meta {
  font-size: 14px;
  color: #666666;
  margin-bottom: var(--spacing-sm);
}

.blog-card p {
  font-size: 16px;
  line-height: 1.5;
  margin-bottom: var(--spacing-sm);
}

.team-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.team-member {
  flex: 1 1 calc(25% - var(--spacing-lg));
  text-align: center;
  min-width: 200px;
}

.team-photo {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  margin: 0 auto var(--spacing-md);
  object-fit: cover;
  border: 4px solid var(--accent-color);
}

.team-member h3 {
  font-size: 22px;
  margin-bottom: 4px;
  color: var(--primary-color);
}

.team-member .title {
  font-size: 16px;
  color: var(--secondary-color);
  margin-bottom: var(--spacing-sm);
}

.team-member p {
  font-size: 14px;
  line-height: 1.5;
}

.alert {
  padding: var(--spacing-md);
  border-radius: 4px;
  margin-bottom: var(--spacing-md);
  border-left: 4px solid;
}

.alert.info {
  background: #d1ecf1;
  color: #0c5460;
  border-color: #0c5460;
}

.alert.success {
  background: #d4edda;
  color: #155724;
  border-color: #155724;
}

.alert.warning {
  background: #fff3cd;
  color: #856404;
  border-color: #856404;
}

.alert.error {
  background: #f8d7da;
  color: #721c24;
  border-color: #721c24;
}

.table-responsive {
  overflow-x: auto;
  margin-bottom: var(--spacing-md);
}

table {
  width: 100%;
  border-collapse: collapse;
  background: #ffffff;
}

table thead {
  background: var(--primary-color);
  color: #ffffff;
}

table th {
  padding: var(--spacing-md);
  text-align: left;
  font-weight: 700;
}

table td {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
}

table tbody tr:hover {
  background: #f8f9fa;
}

.badge {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.badge.primary {
  background: var(--primary-color);
  color: #ffffff;
}

.badge.secondary {
  background: var(--secondary-color);
  color: #ffffff;
}

.badge.accent {
  background: var(--accent-color);
  color: #333333;
}

@media screen and (max-width: 800px) {
  .mobile-menu-toggle {
    display: block;
  }

  .main-nav {
    max-height: 0;
    overflow: hidden;
  }

  .main-nav.active {
    max-height: 1000px;
  }

  .nav-list {
    flex-direction: column;
    width: 100%;
    padding: var(--spacing-md) 0;
  }

  .nav-item {
    width: 100%;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
  }

  .nav-link {
    padding: var(--spacing-sm);
  }

  .header-main h1 {
    font-size: 40px;
  }

  .header-main p {
    font-size: 18px;
  }

  .content-section h2 {
    font-size: 36px;
  }

  .content-section h3 {
    font-size: 24px;
  }

  .info-card {
    flex: 1 1 100%;
  }

  .flex-container.two-col > * {
    flex: 1 1 100%;
  }

  .blog-card {
    flex: 1 1 100%;
  }

  .team-member {
    flex: 1 1 calc(50% - var(--spacing-lg));
  }

  .footer-grid {
    flex-direction: column;
  }

  .stats-grid {
    flex-direction: column;
  }
}

@media screen and (max-width: 500px) {
  .header-main h1 {
    font-size: 32px;
  }

  .header-main p {
    font-size: 16px;
  }

  .content-section h2 {
    font-size: 28px;
  }

  .primary-cta {
    padding: 12px 24px;
    font-size: 16px;
  }

  .team-member {
    flex: 1 1 100%;
  }

  .container {
    padding: 0 1rem;
  }
}

@media screen and (min-width: 1100px) {
  .content-grid.four-col .info-card {
    flex: 1 1 calc(25% - var(--spacing-lg));
  }

  .content-grid.three-col .info-card {
    flex: 1 1 calc(33.333% - var(--spacing-lg));
  }

  .content-grid.two-col .info-card {
    flex: 1 1 calc(50% - var(--spacing-lg));
  }
}