:root {
        --primary-blue: #2563eb;
        --secondary-blue: #3b82f6;
        --light-gray: #f8fafc;
        --medium-gray: #64748b;
        --dark-gray: #1e293b;
    }

    body {
        font-family: 'Inter', sans-serif;
        line-height: 1.6;
        color: var(--dark-gray);
    }

    .font-heading {
        font-family: 'Poppins', sans-serif;
        font-weight: 600;
    }

    .hero-section {
        background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
        color: white;
        padding: 100px 0;
        position: relative;
        overflow: hidden;
    }

    .hero-section::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
        opacity: 0.3;
    }

    .hero-content {
        position: relative;
        z-index: 2;
    }

    .btn-primary-custom {
        background-color: white;
        color: var(--primary-blue);
        border: 2px solid white;
        padding: 12px 30px;
        font-weight: 600;
        border-radius: 8px;
        transition: all 0.3s ease;
    }

    .btn-primary-custom:hover {
        background-color: transparent;
        color: white;
        transform: translateY(-2px);
        box-shadow: 0 8px 25px rgba(0,0,0,0.2);
    }

    .btn-secondary-custom {
        background-color: transparent;
        color: white;
        border: 2px solid white;
        padding: 12px 30px;
        font-weight: 600;
        border-radius: 8px;
        transition: all 0.3s ease;
    }

    .btn-secondary-custom:hover {
        background-color: white;
        color: var(--primary-blue);
        transform: translateY(-2px);
        box-shadow: 0 8px 25px rgba(0,0,0,0.2);
    }

    .section-padding {
        padding: 80px 0;
    }

    .card-hover {
        transition: all 0.3s ease;
        border: none;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    }

    .card-hover:hover {
        transform: translateY(-10px);
        box-shadow: 0 20px 40px rgba(0,0,0,0.15);
    }

    .service-icon {
        width: 60px;
        height: 60px;
        background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
        border-radius: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: white;
        font-size: 24px;
        margin-bottom: 20px;
    }

    .testimonial-card {
        background: var(--light-gray);
        border-radius: 15px;
        padding: 30px;
        height: 100%;
        position: relative;
    }

    .testimonial-card::before {
        content: '"';
        position: absolute;
        top: -10px;
        left: 20px;
        font-size: 60px;
        color: var(--primary-blue);
        font-family: serif;
    }

    .cta-section {
        background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
        color: white;
    }

    .navbar-brand {
        font-family: 'Poppins', sans-serif;
        font-weight: 700;
        font-size: 1.5rem;
    }

    .navbar-nav .nav-link {
        font-weight: 500;
        margin: 0 10px;
        transition: color 0.3s ease;
    }

    .navbar-nav .nav-link:hover {
        color: var(--primary-blue) !important;
    }

    footer {
        background-color: var(--dark-gray);
        color: white;
    }

    .social-icon {
        width: 40px;
        height: 40px;
        background-color: var(--primary-blue);
        border-radius: 50%;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        color: white;
        text-decoration: none;
        margin-right: 10px;
        transition: all 0.3s ease;
    }

    .social-icon:hover {
        background-color: var(--secondary-blue);
        color: white;
        transform: translateY(-3px);
    }

    .project-img {
        height: 200px;
        object-fit: cover;
        border-radius: 8px;
    }

    .smooth-scroll {
        scroll-behavior: smooth;
    }