:root {
    --vt-primary: #004aab;
    --vt-primary-dark: #003b88;
    --vt-dark: #1a1a1a;
    --vt-light: #ffffff;
}

[data-bs-theme="dark"] {
    --vt-dark: #f8f9fa;
    --vt-light: #121212;
}

* {
    box-sizing: border-box;
}

html,
body {
    font-family: Inter, system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
    scroll-behavior: smooth;
    line-height: 1.6;
}

/* Custom button styles */
.btn-primary {
    --bs-btn-color: #fff;
    --bs-btn-bg: var(--vt-primary);
    --bs-btn-border-color: var(--vt-primary);
    --bs-btn-hover-color: #fff;
    --bs-btn-hover-bg: var(--vt-primary-dark);
    --bs-btn-hover-border-color: var(--vt-primary-dark);
    --bs-btn-focus-shadow-rgb: 0, 74, 171;
    --bs-btn-active-color: #fff;
    --bs-btn-active-bg: var(--vt-primary-dark);
    --bs-btn-active-border-color: var(--vt-primary-dark);
    border-radius: 8px;
    font-weight: 500;
    padding: 12px 24px;
    transition: all 0.3s ease;
}

.btn-outline-primary {
    --bs-btn-color: var(--vt-primary);
    --bs-btn-border-color: var(--vt-primary);
    --bs-btn-hover-color: #fff;
    --bs-btn-hover-bg: var(--vt-primary);
    --bs-btn-hover-border-color: var(--vt-primary);
    --bs-btn-focus-shadow-rgb: 0, 74, 171;
    --bs-btn-active-color: #fff;
    --bs-btn-active-bg: var(--vt-primary);
    --bs-btn-active-border-color: var(--vt-primary);
}

/* Section styling */
.section {
    padding: 80px 0;
}

/* Hero section */
.hero {
    position: relative;
    overflow: hidden;
    min-height: 90vh;
    display: flex;
    align-items: center;
    background-color: var(--vt-light);
}

[data-bs-theme="dark"] .hero {
    background-color: var(--vt-light);
}

/* Navbar */
.navbar {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

[data-bs-theme="dark"] .navbar {
    background: rgba(18, 18, 18, 0.98);
}

.navbar-brand img {
    height: 50px;
    width: auto;
}

/* Cards */
.service-card {
    transition: all 0.3s ease;
    height: 100%;
    border: 1px solid rgba(0, 74, 171, 0.1);
}

    .service-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 10px 20px rgba(0, 74, 171, 0.1);
        border-color: rgba(0, 74, 171, 0.2);
    }

.icon-wrapper {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--vt-primary);
    color: white;
    font-size: 20px;
    margin-bottom: 20px;
}

/* Stats section */
.stats {
    background: var(--vt-primary);
    color: white;
    border-radius: 16px;
    padding: 50px 30px;
    margin: 60px 0;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-label {
    opacity: 0.9;
    font-size: 1rem;
}

/* Project cards */
.project-card {
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

    .project-card:hover {
        transform: translateY(-8px);
        box-shadow: 0 15px 30px rgba(0, 74, 171, 0.1);
    }

    .project-card img {
        transition: transform 0.3s ease;
        height: 220px;
        object-fit: cover;
    }

    .project-card:hover img {
        transform: scale(1.03);
    }

/* Testimonial */
.testimonial-card {
    border: none;
    border-radius: 16px;
    padding: 30px;
    position: relative;
    overflow: hidden;
    background-color: var(--vt-light);
    border: 1px solid rgba(0, 74, 171, 0.1);
}

/* Contact section */
.contact-info {
    background: var(--vt-primary);
    color: white;
    border-radius: 16px;
    padding: 30px;
}

    .contact-info h5 {
        margin-bottom: 25px;
    }

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    font-size: 1rem;
}

    .contact-item i {
        width: 24px;
        margin-right: 15px;
        opacity: 0.9;
    }

/* Form styling */
.form-control,
.form-select {
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 12px 16px;
    transition: all 0.3s ease;
}

    .form-control:focus,
    .form-select:focus {
        border-color: var(--vt-primary);
        box-shadow: 0 0 0 0.2rem rgba(0, 74, 171, 0.25);
    }

/* Footer */
.footer {
    background: var(--vt-dark);
    color: white;
}

[data-bs-theme="dark"] .footer {
    background: #000;
}

.footer-link {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

    .footer-link:hover {
        color: white;
    }

/* Responsive */
@media (max-width: 768px) {
    .section {
        padding: 60px 0;
    }

    .stat-number {
        font-size: 2rem;
    }

    .hero {
        text-align: center;
        min-height: 80vh;
    }

    .stats {
        padding: 30px 20px;
        margin: 40px 0;
    }
}

.w-32 {
    width: 32%;
}