:root {
      --color-primary: #f59e0b;
      --color-primary-dark: #d97706;
      --color-secondary: #10b981;
      --color-accent: #3b82f6;
      --color-text: #1f2937;
      --color-text-light: #6b7280;
      --color-bg: #ffffff;
      --color-bg-light: #f9fafb;
      --color-border: #e5e7eb;
      --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
      --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
      --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
      --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
      --rounded-sm: 0.125rem;
      --rounded-md: 0.375rem;
      --rounded-lg: 0.5rem;
      --rounded-xl: 0.75rem;
      --rounded-full: 9999px;
    }
    /* Section Styles */
    .section {
      padding: 5rem 0;
    }

    .section-title {
      font-size: 2.25rem;
      font-weight: 800;
      margin-bottom: 1rem;
      text-align: center;
    }

    .section-description {
      font-size: 1.125rem;
      color: var(--color-text-light);
      text-align: center;
      max-width: 42rem;
      margin-left: auto;
      margin-right: auto;
      margin-bottom: 4rem;
    }

    /* Hero Section */
    .hero {
      padding-top: 5rem;
      padding-bottom: 4rem;
      background: linear-gradient(135deg, rgba(255, 255, 255, 0.6), rgba(255, 255, 255, 0.3)), url('image/banner.jpeg') no-repeat center center / cover;
    }

    .hero-title {
      font-size: 2.5rem;
      font-weight: 800;
      margin-bottom: 1.5rem;
      text-align: center;
    }

    .gradient-text {
      background: linear-gradient(to right, #d97706, #ea580c);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }

    .hero-description {
      font-size: 1.25rem;
      color: var(--color-primary);
      margin-bottom: 2rem;
      text-align: center;
      max-width: 56rem;
      margin-left: auto;
      margin-right: auto;
    }

    .stats-grid {
      display: grid;
      gap: 1rem;
      justify-content: center;
      max-width: 48rem;
      margin: 0 auto;
    }

    .stat-card {
      background-color: rgba(255, 255, 255, 0.8);
      backdrop-filter: blur(8px);
      border-radius: 1rem;
      padding: 1.5rem;
      box-shadow: var(--shadow-lg);
      text-align: center;
    }

    .stat-value {
      font-size: 1.875rem;
      font-weight: 700;
      margin-bottom: 0.5rem;
    }

    .stat-label {
      color: var(--color-text-light);
    }

    /* Grid Layouts */
    .grid {
      display: grid;
      gap: 2rem;
    }

    .grid-2 {
      grid-template-columns: 1fr;
    }

    .grid-3 {
      grid-template-columns: 1fr;
    }

    .grid-4 {
      grid-template-columns: 1fr;
    }

    /* Cards */
    .card {
      background-color: white;
      border-radius: 1rem;
      padding: 1.5rem;
      box-shadow: var(--shadow-lg);
      transition: all 0.3s ease;
    }

    .card:hover {
      box-shadow: var(--shadow-xl);
      transform: translateY(-0.25rem);
    }

    .team-card {
      text-align: center;
    }

    .team-avatar {
      width: 5rem;
      height: 5rem;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 2rem;
      margin: 0 auto 1rem;
    }

    .team-name {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 0.5rem;
    }

    .team-role {
      color: var(--color-text-light);
    }

    /* Timeline */
    .timeline {
      position: relative;
      max-width: 64rem;
      margin: 0 auto;
    }

    .timeline-line {
      position: absolute;
      left: 50%;
      top: 0;
      bottom: 0;
      width: 2px;
      background: linear-gradient(to bottom, #f59e0b, #f97316);
      transform: translateX(-50%);
    }

    .timeline-item {
      display: flex;
      align-items: center;
      margin-bottom: 2rem;
      position: relative;
    }

    .timeline-item:nth-child(odd) {
      flex-direction: row;
    }

    .timeline-item:nth-child(even) {
      flex-direction: row-reverse;
    }

    .timeline-content {
      width: calc(50% - 2rem);
      background-color: white;
      border-radius: 1rem;
      padding: 1.5rem;
      box-shadow: var(--shadow-lg);
    }

    .timeline-item:nth-child(odd) .timeline-content {
      margin-right: 2rem;
      text-align: right;
    }

    .timeline-item:nth-child(even) .timeline-content {
      margin-left: 2rem;
      text-align: left;
    }

    .timeline-number {
      width: 3rem;
      height: 3rem;
      background: linear-gradient(to bottom right, #f59e0b, #f97316);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      font-weight: 700;
      font-size: 0.875rem;
      position: absolute;
      left: 50%;
      transform: translateX(-50%);
      z-index: 10;
    }

    /* Contact Section */
    .contact {
      background: linear-gradient(to bottom right, #1f2937, #1e40af);
      color: white;
    }

    .contact-grid {
      display: grid;
      gap: 3rem;
      max-width: 72rem;
      margin: 0 auto;
    }

    .contact-info {
      display: flex;
      flex-direction: column;
      gap: 1.5rem;
    }

    .contact-item {
      display: flex;
      align-items: center;
      gap: 1rem;
    }

    .contact-icon {
      width: 3rem;
      height: 3rem;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .contact-icon svg {
      width: 1.5rem;
      height: 1.5rem;
    }

    .contact-details h4 {
      font-weight: 600;
      margin-bottom: 0.25rem;
    }

    .contact-details p {
      color: #d1d5db;
    }

    /* Form Styles */
    .form {
      display: flex;
      flex-direction: column;
      gap: 1.5rem;
    }

    .form-group {
      display: flex;
      flex-direction: column;
    }

    .form-label {
      font-size: 0.875rem;
      font-weight: 500;
      margin-bottom: 0.5rem;
    }

    .form-input {
      width: 100%;
      padding: 0.75rem 1rem;
      background-color: rgba(255, 255, 255, 0.1);
      border: 1px solid rgba(255, 255, 255, 0.2);
      border-radius: var(--rounded-lg);
      color: white;
      outline: none;
      transition: all 0.3s ease;
    }

    .form-input::placeholder {
      color: #9ca3af;
    }

    .form-input:focus {
      border-color: var(--color-primary);
      box-shadow: 0 0 0 2px rgba(251, 191, 36, 0.2);
    }

    .form-textarea {
      resize: none;
      min-height: 6rem;
    }

    .form-checkbox-group {
      display: flex;
      align-items: flex-start;
      gap: 0.75rem;
    }

    .form-checkbox {
      width: 1rem;
      height: 1rem;
      margin-top: 0.125rem;
    }

    .form-checkbox-label {
      font-size: 0.875rem;
      color: #d1d5db;
    }

    .form-checkbox-label a {
      color: var(--color-primary);
    }

    .form-checkbox-label a:hover {
      text-decoration: underline;
    }

    .form-submit {
      width: 100%;
      background: linear-gradient(to right, #f59e0b, #f97316);
      color: white;
      font-weight: 600;
      padding: 0.75rem 1.5rem;
      border: none;
      border-radius: var(--rounded-lg);
      cursor: pointer;
      transition: all 0.3s ease;
    }

    .form-submit:hover {
      box-shadow: var(--shadow-lg);
      transform: scale(1.02);
    }

    /* Animations */
    @keyframes fadeInUp {
      from {
        opacity: 0;
        transform: translateY(20px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    @keyframes pulse {
      0%, 100% {
        opacity: 1;
      }
      50% {
        opacity: 0.5;
      }
    }

    .animate-pulse {
      animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
    }

    .animate-fadeInUp {
      animation: fadeInUp 0.6s ease-out;
    }

    /* Responsive Styles */
    @media (min-width: 640px) {
      .stats-grid {
        grid-template-columns: repeat(3, 1fr);
      }
      
      .grid-2 {
        grid-template-columns: repeat(2, 1fr);
      }
      
      .contact-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (min-width: 768px) {
      .nav-desktop {
        display: flex;
        align-items: center;
        gap: 2rem;
      }
      
      .hero-title {
        font-size: 3.75rem;
      }
      
      .section-title {
        font-size: 3rem;
      }
      
      .grid-3 {
        grid-template-columns: repeat(3, 1fr);
      }
      
      .timeline-item {
        margin-bottom: 3rem;
      }
    }

    @media (min-width: 1024px) {
      .hero-title {
        font-size: 4rem;
      }
      
      .grid-4 {
        grid-template-columns: repeat(4, 1fr);
      }
    }

    /* Utility Classes */
    .text-center { text-align: center; }
    .text-left { text-align: left; }
    .text-right { text-align: right; }
    .font-bold { font-weight: 700; }
    .font-semibold { font-weight: 600; }
    .mb-2 { margin-bottom: 0.5rem; }
    .mb-4 { margin-bottom: 1rem; }
    .mb-6 { margin-bottom: 1.5rem; }
    .mb-8 { margin-bottom: 2rem; }
    .mb-12 { margin-bottom: 3rem; }
    .max-w-4xl { max-width: 56rem; margin-left: auto; margin-right: auto; }
    .max-w-6xl { max-width: 72rem; margin-left: auto; margin-right: auto; }

    /* Background Gradients */
    .bg-gradient-1 { background: linear-gradient(to bottom right, #f9fafb, #dbeafe); }
    .bg-gradient-2 { background: linear-gradient(to bottom right, #f3f4f6, #e0e7ff); }
    .bg-gradient-3 { background: linear-gradient(to bottom right, #fef9c3, #fed7aa); }
    .bg-gradient-4 { background: linear-gradient(to bottom right, #ecfccb, #d1fae5); }
    .bg-gradient-5 { background: linear-gradient(to bottom right, #fce7f3, #e0e7ff); }