body {
    font-family: 'Segoe UI', Arial, sans-serif;
    line-height: 1.6;
    background: #f9fbfd;
}

/* Navbar logo */
.navbar-brand img {
    height: 60px;
    width: auto;
}

.hero {
    min-height: 60vh;
    position: relative;
    overflow: hidden;
}

.hero-img {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(35, 65, 95, 0.55);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    padding: 60px 15px;
}

.btn-primary {
    background-color: #2196f3;
    border: none;
}

.btn-primary:hover {
    background-color: #1769aa;
}

.about {
    background: #f8fafd;
}

.card {
    border: none;
    border-radius: 0.75rem;
    box-shadow: 0 3px 20px 0 rgba(0,0,0,0.07);
}

footer.footer {
    background: #233e4d;
    color: #fff;
}

@media (max-width: 767px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    .hero {
        min-height: 40vh;
    }
}