/* Reset and Base Styles */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    :root {
        --primary-color: #084469;
        --primary-dark: #1e3a8a;
        --secondary-color: #64748b;
        --accent-color: #3b82f6;
        --text-dark: #1e293b;
        --text-light: #64748b;
        --text-white: #ffffff;
        --bg-light: #f8fafc;
        --bg-white: #ffffff;
        --border-color: #e2e8f0;
        --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
        --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
        --gradient: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    }

    body {
        font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
        line-height: 1.6;
        color: var(--text-dark);
        background-color: var(--bg-white);
    }

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

    /* Typography */
    h1, h2, h3, h4, h5, h6 {
        font-weight: 600;
        line-height: 1.2;
        margin-bottom: 1rem;
    }

    h1 {
        font-size: 3.5rem;
        font-weight: 700;
    }

    h2 {
        font-size: 2.5rem;
    }

    h3 {
        font-size: 1.5rem;
    }

    p {
        margin-bottom: 1rem;
        color: var(--text-light);
    }

    /* Buttons */
    .btn {
        display: inline-block;
        padding: 12px 24px;
        border-radius: 8px;
        text-decoration: none;
        font-weight: 500;
        text-align: center;
        transition: all 0.3s ease;
        border: none;
        cursor: pointer;
        font-size: 1rem;
    }

    .btn-primary {
        background: var(--gradient);
        color: var(--text-white);
        box-shadow: var(--shadow);
    }

    .btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow-lg);
    }

    .btn-secondary {
        background: transparent;
        color: var(--primary-color);
        border: 2px solid var(--primary-color);
    }

    .btn-secondary:hover {
        background: var(--primary-color);
        color: var(--text-white);
    }

    .btn-large {
        padding: 16px 32px;
        font-size: 1.1rem;
    }

    /* Navigation */
    .navbar {
        position: fixed;
        top: 0;
        width: 100%;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
        z-index: 1000;
        box-shadow: var(--shadow);
        transition: all 0.3s ease;
    }

    .nav-container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 20px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        height: 70px;
    }

    .nav-logo h2 {
        color: var(--primary-color);
        font-weight: 700;
        margin: 0;
    }

    .nav-menu {
        display: flex;
        list-style: none;
        gap: 2rem;
    }

    .nav-link {
        text-decoration: none;
        color: var(--text-dark);
        font-weight: 500;
        transition: color 0.3s ease;
        position: relative;
    }

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

    .nav-link::after {
        content: '';
        position: absolute;
        bottom: -5px;
        left: 0;
        width: 0;
        height: 2px;
        background: var(--gradient);
        transition: width 0.3s ease;
    }

    .nav-link:hover::after {
        width: 100%;
    }

    .hamburger {
        display: none;
        flex-direction: column;
        cursor: pointer;
    }

    .bar {
        width: 25px;
        height: 3px;
        background: var(--text-dark);
        margin: 3px 0;
        transition: 0.3s;
    }

    /* Hero Section */
    .hero {
        padding: 120px 0 80px;
        background: var(--bg-light);
        min-height: 100vh;
        display: flex;
        align-items: center;
    }

    .hero-container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 20px;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 4rem;
        align-items: center;
    }

    .hero-title {
        font-size: 3.5rem;
        color: var(--text-dark);
        margin-bottom: 1.5rem;
        line-height: 1.1;
    }

    .hero-subtitle {
        font-size: 1.25rem;
        color: var(--text-light);
        margin-bottom: 2rem;
        line-height: 1.6;
    }

    .hero-cta {
        display: flex;
        gap: 1rem;
        flex-wrap: wrap;
    }

    .hero-visual {
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .hero-graphic {
        position: relative;
        width: 300px;
        height: 300px;
    }

    .network-node {
        position: absolute;
        width: 60px;
        height: 60px;
        background: var(--gradient);
        border-radius: 50%;
        box-shadow: var(--shadow-lg);
    }

    .network-node:nth-child(1) {
        top: 50px;
        left: 50px;
    }

    .network-node:nth-child(2) {
        top: 50px;
        right: 50px;
    }

    .network-node:nth-child(3) {
        bottom: 50px;
        left: 50%;
        transform: translateX(-50%);
    }

    .network-lines {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: 
            linear-gradient(45deg, transparent 40%, var(--accent-color) 40%, var(--accent-color) 60%, transparent 60%),
            linear-gradient(-45deg, transparent 40%, var(--accent-color) 40%, var(--accent-color) 60%, transparent 60%);
        opacity: 0.3;
    }

    /* Section Headers */
    .section-header {
        text-align: center;
        margin-bottom: 4rem;
    }

    .section-header h2 {
        color: var(--text-dark);
        margin-bottom: 1rem;
    }

    .section-header p {
        font-size: 1.25rem;
        color: var(--text-light);
        max-width: 600px;
        margin: 0 auto;
    }

    /* About Section */
    .about {
        padding: 80px 0;
        background: var(--bg-white);
    }

    .about-content {
        display: flex;
        justify-content: center;
        align-items: center;
        text-align: center;
    }

    .about-text {
        max-width: 800px;
    }

    .about-text p {
        font-size: 1.1rem;
        margin-bottom: 1.5rem;
    }

    .about-stats {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 2rem;
    }

    .stat-item {
        text-align: center;
        padding: 2rem;
        background: var(--bg-light);
        border-radius: 12px;
        box-shadow: var(--shadow);
    }

    .stat-number {
        font-size: 2.5rem;
        font-weight: 700;
        color: var(--primary-color);
        margin-bottom: 0.5rem;
    }

    .stat-label {
        color: var(--text-light);
        font-weight: 500;
    }

    /* Mission Section */
    .mission {
        padding: 80px 0;
        background: var(--bg-light);
    }

    .mission-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 2rem;
    }

    .mission-card {
        background: var(--bg-white);
        padding: 2.5rem;
        border-radius: 12px;
        box-shadow: var(--shadow);
        text-align: center;
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .mission-card:hover {
        transform: translateY(-5px);
        box-shadow: var(--shadow-lg);
    }

    .mission-icon {
        width: 80px;
        height: 80px;
        background: var(--gradient);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto 1.5rem;
    }

    .mission-icon i {
        font-size: 2rem;
        color: var(--text-white);
    }

    .mission-card h3 {
        color: var(--text-dark);
        margin-bottom: 1rem;
    }

    /* Urgency Section */
    .urgency {
        padding: 80px 0;
        background: var(--bg-white);
    }

    .urgency-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 2rem;
    }

    .urgency-item {
        display: flex;
        align-items: flex-start;
        gap: 1.5rem;
        padding: 2rem;
        background: var(--bg-light);
        border-radius: 12px;
        box-shadow: var(--shadow);
    }

    .urgency-icon {
        width: 60px;
        height: 60px;
        background: var(--gradient);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
    }

    .urgency-icon i {
        font-size: 1.5rem;
        color: var(--text-white);
    }

    .urgency-item h3 {
        color: var(--text-dark);
        margin-bottom: 0.5rem;
    }

    /* Benefits Section */
    .benefits {
        padding: 80px 0;
        background: var(--bg-light);
    }

    .benefits-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 2rem;
    }

    .benefit-card {
        background: var(--bg-white);
        padding: 2rem;
        border-radius: 12px;
        box-shadow: var(--shadow);
        text-align: center;
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .benefit-card:hover {
        transform: translateY(-5px);
        box-shadow: var(--shadow-lg);
    }

    .benefit-icon {
        width: 70px;
        height: 70px;
        background: var(--gradient);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto 1.5rem;
    }

    .benefit-icon i {
        font-size: 1.75rem;
        color: var(--text-white);
    }

    .benefit-card h3 {
        color: var(--text-dark);
        margin-bottom: 1rem;
    }

    /* CTA Section */
    .cta {
        padding: 80px 0;
        background: var(--gradient);
        text-align: center;
    }

    .cta-content h2 {
        color: var(--text-white);
        margin-bottom: 1rem;
    }

    .cta-content p {
        color: rgba(255, 255, 255, 0.9);
        font-size: 1.25rem;
        margin-bottom: 2rem;
        max-width: 600px;
        margin-left: auto;
        margin-right: auto;
    }

    .cta .btn-primary {
        background: var(--text-white);
        color: var(--primary-color);
    }

    .cta .btn-primary:hover {
        background: var(--bg-light);
    }

    /* Contact Section */
    .contact {
        padding: 80px 0;
        background: var(--bg-white);
    }

    .contact-content {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 4rem;
    }

    .contact-info {
        display: flex;
        flex-direction: column;
        gap: 2rem;
    }

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

    .contact-icon {
        width: 50px;
        height: 50px;
        background: var(--gradient);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
    }

    .contact-icon i {
        color: var(--text-white);
        font-size: 1.25rem;
    }

    .contact-item h4 {
        color: var(--text-dark);
        margin-bottom: 0.5rem;
    }

    .contact-item p {
        color: var(--text-light);
        margin: 0;
    }

    .contact-form {
        background: var(--bg-light);
        padding: 2rem;
        border-radius: 12px;
        box-shadow: var(--shadow);
    }

    .form-group {
        margin-bottom: 1.5rem;
    }

    .form-group input,
    .form-group textarea {
        width: 100%;
        padding: 12px 16px;
        border: 2px solid var(--border-color);
        border-radius: 8px;
        font-size: 1rem;
        transition: border-color 0.3s ease;
        font-family: inherit;
    }

    .form-group input:focus,
    .form-group textarea:focus {
        outline: none;
        border-color: var(--primary-color);
    }

    .form-group input.error,
    .form-group textarea.error {
        border-color: #ef4444;
        background-color: #fef2f2;
    }

    .form-group input.success,
    .form-group textarea.success {
        border-color: #10b981;
        background-color: #f0fdf4;
    }

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

    /* Form Messages */
    .form-message {
        padding: 15px 20px;
        border-radius: 8px;
        margin: 20px 0;
        font-weight: 500;
        text-align: center;
        animation: slideInDown 0.3s ease;
    }

    .form-message-success {
        background: #d1fae5;
        color: #065f46;
        border: 1px solid #10b981;
    }

    .form-message-error {
        background: #fee2e2;
        color: #991b1b;
        border: 1px solid #ef4444;
    }

    /* Field Error Messages */
    .field-error {
        color: #ef4444;
        font-size: 0.875rem;
        margin-top: 0.25rem;
        animation: slideInDown 0.3s ease;
    }

    /* Form Message Animation */
    @keyframes slideInDown {
        from {
            opacity: 0;
            transform: translateY(-20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    /* Form Button States */
    .contact-form button:disabled {
        opacity: 0.6;
        cursor: not-allowed;
        transform: none !important;
    }

    /* Footer */
    .footer {
        background: var(--text-dark);
        color: var(--text-white);
        padding: 60px 0 20px;
    }

    .footer-content {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 2rem;
        margin-bottom: 2rem;
    }

    .footer-section h3,
    .footer-section h4 {
        color: var(--text-white);
        margin-bottom: 1rem;
    }

    .footer-section p,
    .footer-section li {
        color: rgba(255, 255, 255, 0.8);
        margin-bottom: 0.5rem;
    }

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

    .footer-section a {
        color: rgba(255, 255, 255, 0.8);
        text-decoration: none;
        transition: color 0.3s ease;
    }

    .footer-section a:hover {
        color: var(--text-white);
    }

    .social-links {
        display: flex;
        gap: 1rem;
    }

    .social-links a {
        width: 40px;
        height: 40px;
        background: var(--gradient);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: transform 0.3s ease;
    }

    .social-links a:hover {
        transform: translateY(-3px);
    }

    .footer-bottom {
        text-align: center;
        padding-top: 2rem;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        color: rgba(255, 255, 255, 0.6);
    }

    /* Affiliation badge */
    .affiliation-badge {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        padding: 10px 12px;
        border-radius: 8px;
        background: rgba(255, 255, 255, 0.06);
        border: 1px solid rgba(255, 255, 255, 0.15);
        text-decoration: none;
        color: rgba(255, 255, 255, 0.9);
        transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
        width: fit-content;
    }

    .affiliation-badge:hover {
        background: rgba(255, 255, 255, 0.12);
        border-color: rgba(255, 255, 255, 0.25);
        transform: translateY(-2px);
        color: #ffffff;
    }

    .affiliation-badge img {
        height: 30px;
        width: auto;
        display: block;
        opacity: 0.95;
    }

    .affiliation-badge span {
        font-weight: 600;
        font-size: 0.95rem;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
        .hamburger {
            display: flex;
        }

        .nav-menu {
            position: fixed;
            left: -100%;
            top: 70px;
            flex-direction: column;
            background-color: var(--bg-white);
            width: 100%;
            text-align: center;
            transition: 0.3s;
            box-shadow: var(--shadow);
            padding: 2rem 0;
        }

        .nav-menu.active {
            left: 0;
        }

        .hero-container {
            grid-template-columns: 1fr;
            text-align: center;
            gap: 2rem;
        }

        .hero-title {
            font-size: 2.5rem;
        }

        .hero-cta {
            justify-content: center;
        }

        .about-content {
            grid-template-columns: 1fr;
            gap: 2rem;
        }

        .about-stats {
            grid-template-columns: 1fr;
        }

        .contact-content {
            grid-template-columns: 1fr;
            gap: 2rem;
        }

        .hero-visual {
            display: none;
        }

        h1 {
            font-size: 2.5rem;
        }

        h2 {
            font-size: 2rem;
        }
    }

    @media (max-width: 480px) {
        .container {
            padding: 0 15px;
        }

        .hero {
            padding: 100px 0 60px;
        }

        .hero-title {
            font-size: 2rem;
        }

        .hero-subtitle {
            font-size: 1.1rem;
        }

        .btn {
            padding: 10px 20px;
            font-size: 0.9rem;
        }

        .mission-card,
        .benefit-card {
            padding: 1.5rem;
        }
    }

    /* FAQ Section */
    .faq {
        padding: 80px 0;
        background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    }

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

    .faq-item {
        background: white;
        border-radius: 12px;
        margin-bottom: 20px;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
        overflow: hidden;
        transition: all 0.3s ease;
    }

    .faq-item:hover {
        box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
        transform: translateY(-2px);
    }

    .faq-question {
        padding: 25px 30px;
        cursor: pointer;
        display: flex;
        justify-content: space-between;
        align-items: center;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        transition: all 0.3s ease;
    }

    .faq-question:hover {
        background: linear-gradient(135deg, #5a6fd8 0%, #6a4190 100%);
    }

    .faq-question h3 {
        margin: 0;
        font-size: 1.1rem;
        font-weight: 600;
        line-height: 1.4;
        flex: 1;
        padding-right: 20px;
    }

    .faq-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 30px;
        height: 30px;
        background: rgba(255, 255, 255, 0.2);
        border-radius: 50%;
        transition: all 0.3s ease;
    }

    .faq-toggle i {
        font-size: 14px;
        transition: transform 0.3s ease;
    }

    .faq-item.active .faq-toggle i {
        transform: rotate(45deg);
    }

    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
        background: white;
    }

    .faq-item.active .faq-answer {
        max-height: 200px;
    }

    .faq-answer p {
        margin: 0;
        padding: 25px 30px;
        color: #495057;
        line-height: 1.6;
        border-top: 1px solid #e9ecef;
    }

    /* FAQ Responsive */
    @media (max-width: 768px) {
        .faq-question {
            padding: 20px 25px;
        }
        
        .faq-question h3 {
            font-size: 1rem;
        }
        
        .faq-answer p {
            padding: 20px 25px;
        }
    }

    /* Smooth Scrolling */
    html {
        scroll-behavior: smooth;
    }

    /* Animation Classes */
    .fade-in {
        opacity: 0;
        transform: translateY(30px);
        transition: all 0.6s ease;
    }

    .fade-in.visible {
        opacity: 1;
        transform: translateY(0);
    }

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

    .animate-fade-in-up {
        animation: fadeInUp 0.6s ease forwards;
    }