/* --- Global Styles & Variables --- */
:root {
    --primary-color: #0d6efd; /* Bootstrap Primary Blue */
    --secondary-color: #6c757d; /* Bootstrap Secondary Gray */
    --dark-color: #212529; /* Bootstrap Dark */
    --light-color: #f8f9fa; /* Bootstrap Light */
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

body {
    font-family: 'Poppins', sans-serif;
    scroll-behavior: smooth;
}

/* --- Helper Classes --- */
.section-padding {
    padding-top: 80px;
    padding-bottom: 80px;
}

/* --- Navbar --- */
.navbar {
    background-color: rgba(33, 37, 41, 0.9);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.navbar-brand {
    font-size: 1.5rem;
}

.nav-link {
    font-weight: 500;
    margin-left: 1rem;
}

/* --- Hero Section --- */
.hero-section {
    background: var(--primary-gradient), url('https://placehold.co/1920x1080/333/fff?text=Background+Image') no-repeat center center/cover;
    display: flex;
    align-items: center;
    text-align: left;
}

.hero-img {
    max-width: 400px;
    border: 5px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* --- Expertise Section --- */
.expertise-card {
    border: 1px solid #e9ecef;
    border-radius: 10px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
}

.expertise-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.expertise-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto;
    background-color: rgba(13, 110, 253, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s ease;
}

.expertise-card:hover .expertise-icon {
    background-color: var(--primary-color);
}

.expertise-icon i {
    font-size: 2rem;
    color: var(--primary-color);
    transition: color 0.3s ease;
}

.expertise-card:hover .expertise-icon i {
    color: #fff;
}

/* --- Testimonials Section --- */
.carousel-indicators [data-bs-target] {
    background-color: var(--secondary-color);
}
.carousel-indicators .active {
    background-color: var(--primary-color);
}

/* --- Contact Section --- */
.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

/* --- Responsive Adjustments --- */
@media (max-width: 768px) {
    .hero-section {
        text-align: center;
    }
    .hero-section .display-4 {
        font-size: 2.5rem;
    }
    .hero-img {
        margin-top: 2rem;
    }
    .ps-lg-5 {
        padding-left: 0 !important;
        margin-top: 2rem;
    }
}