body {
    background-color: #f3f6fb;
    color: #212529;
}

.navbar-brand {
    font-weight: 700;
}

.hero {
    background: linear-gradient(135deg, rgba(13,110,253,0.95), rgba(13,202,240,0.85)), url('https://images.unsplash.com/photo-1507525428034-b723cf961d3e?auto=format&fit=crop&w=1600&q=80');
    background-size: cover;
    background-position: center;
    color: #fff;
    min-height: 420px;
}

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

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.55);
}

.hero h1,
.hero p,
.hero .btn {
    position: relative;
    z-index: 2;
}

.card-img-top {
    min-height: 220px;
    object-fit: cover;
}

.feature-card {
    background: #fff;
    border: 1px solid rgba(0,0,0,.05);
}

.section-title {
    letter-spacing: 0.02em;
}

.footer {
    padding: 2rem 0;
    background-color: #0d6efd;
    color: #fff;
}

.footer a {
    color: #fff;
}

.badge-category {
    background-color: rgba(13, 110, 253, .1);
    color: #0d6efd;
}

@media (max-width: 768px) {
    .hero {
        min-height: 320px;
    }
}