@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

        :root {
            --bg-primary: #f2f1f0;
            --bg-secondary: #ffffff;
            --text-primary: #000000;
            --text-secondary: #333333;
            --border-color: #e5e5e5;
            --hover-bg: rgba(0, 0, 0, 0.05);
            --accent-color: #0070ba;
        }

        [data-theme="dark"] {
            --bg-primary: #1a1a1a;
            --bg-secondary: #2d2d2d;
            --text-primary: #ffffff;
            --text-secondary: #e5e5e5;
            --border-color: #404040;
            --hover-bg: rgba(255, 255, 255, 0.1);
            --accent-color: #4fc3f7;
        }

        body {
            font-family: 'Inter', sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            transition: background-color 0.3s ease, color 0.3s ease;
            line-height: 1.6;
        }

        .hero-section {
            background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            transition: all 0.3s ease;
        }

        [data-theme="dark"] .hero-section {
            background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
        }

        .nav-link {
            position: relative;
            transition: all 0.3s ease;
            color: var(--text-primary);
        }

        .nav-link::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: -4px;
            left: 50%;
            background: linear-gradient(90deg, var(--text-secondary), var(--text-primary));
            transition: all 0.3s ease;
            transform: translateX(-50%);
        }

        .nav-link:hover {
            color: var(--text-secondary);
            transform: translateY(-2px);
        }

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

        .theme-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--hover-bg);
            border: 2px solid var(--border-color);
            color: var(--text-primary);
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .theme-toggle:hover {
            transform: scale(1.1);
            background: var(--text-primary);
            color: var(--bg-primary);
            border-color: var(--text-primary);
        }

        .theme-toggle i {
            font-size: 18px;
            transition: transform 0.3s ease;
        }

        .theme-toggle:hover i {
            transform: rotate(20deg);
        }

        .section-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 2rem;
            margin-bottom: 2rem;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
        }

        .section-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
        }

        .section-title {
            display: flex;
            align-items: center;
            margin-bottom: 1.5rem;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-primary);
        }

        .section-icon {
            background: linear-gradient(135deg, var(--accent-color), #28a745);
            color: white;
            width: 50px;
            height: 50px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 1rem;
            font-size: 1.25rem;
        }

        .subsection {
            margin-bottom: 1.5rem;
        }

        .subsection h4 {
            font-weight: 600;
            color: var(--accent-color);
            margin-bottom: 0.75rem;
            font-size: 1.1rem;
        }

        .highlight-box {
            background: linear-gradient(135deg, rgba(40, 167, 69, 0.1), rgba(0, 112, 186, 0.1));
            border-left: 4px solid var(--accent-color);
            padding: 1.5rem;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0;
            transition: all 0.3s ease;
        }

        .highlight-box:hover {
            transform: translateX(5px);
            box-shadow: 0 5px 15px rgba(0, 112, 186, 0.2);
        }

        .warning-box {
            background: linear-gradient(135deg, rgba(255, 193, 7, 0.1), rgba(255, 87, 34, 0.1));
            border: 2px solid #ffc107;
            border-radius: 12px;
            padding: 1.5rem;
            margin: 1.5rem 0;
        }

        .contact-info {
            background: var(--hover-bg);
            border-radius: 12px;
            padding: 1.5rem;
            text-align: center;
            margin-top: 2rem;
        }

        .contact-links {
            display: flex;
            justify-content: center;
            gap: 1rem;
            margin-top: 1rem;
        }

        .contact-link {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 1.5rem;
            background: var(--accent-color);
            color: white;
            text-decoration: none;
            border-radius: 25px;
            transition: all 0.3s ease;
            font-weight: 500;
        }

        .contact-link:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 112, 186, 0.3);
            background: #005c9a;
        }

        .back-button {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 1.5rem;
            background: var(--text-primary);
            color: var(--bg-primary);
            text-decoration: none;
            border-radius: 25px;
            transition: all 0.3s ease;
            font-weight: 600;
            margin-bottom: 2rem;
        }

        .back-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
        }

        .fade-in {
            animation: fadeInUp 0.6s ease-out forwards;
            opacity: 0;
            transform: translateY(30px);
        }

        .fade-in:nth-child(1) {
            animation-delay: 0.1s;
        }

        .fade-in:nth-child(2) {
            animation-delay: 0.2s;
        }

        .fade-in:nth-child(3) {
            animation-delay: 0.3s;
        }

        .fade-in:nth-child(4) {
            animation-delay: 0.4s;
        }

        .fade-in:nth-child(5) {
            animation-delay: 0.5s;
        }

        .fade-in:nth-child(6) {
            animation-delay: 0.6s;
        }

        .fade-in:nth-child(7) {
            animation-delay: 0.7s;
        }

        .fade-in:nth-child(8) {
            animation-delay: 0.8s;
        }

        @keyframes fadeInUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .list-item {
            display: flex;
            align-items: flex-start;
            margin-bottom: 0.75rem;
            padding: 0.5rem 0;
        }

        .list-icon {
            color: var(--accent-color);
            margin-right: 0.75rem;
            margin-top: 0.1rem;
            font-size: 0.875rem;
        }

        .logo-container {
            transition: all 0.3s ease;
            filter: drop-shadow(0 4px 15px rgba(0, 0, 0, 0.1));
        }

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

        @media (max-width: 768px) {
            .contact-links {
                flex-direction: column;
                align-items: center;
            }

            .hero-section {
                margin: 1rem;
                padding: 1.5rem;
            }

            .section-card {
                margin: 0 1rem 2rem 1rem;
                padding: 1.5rem;
            }
        }