body {
    background: #f4f8fc;
    color: #15253c;
    min-height: 100vh;
}

.med-navbar {
    background: linear-gradient(90deg, #174a9c, #25b8bd);
}

.hero {
    padding: 85px 20px 65px;
    background: linear-gradient(135deg, #edf5ff, #f5ffff);
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.3rem);
    font-weight: 700;
    letter-spacing: -1px;
}

.hero .lead {
    max-width: 720px;
    color: #66758a;
    margin-top: 20px;
}

.hero-badge {
    background: #e0edff;
    color: #174a9c;
    padding: 10px 18px;
    letter-spacing: 1px;
}

.demos-section {
    padding-top: 20px;
    padding-bottom: 80px;
}

.demo-card {
    height: 100%;
    border: 1px solid #e1e9f2;
    border-radius: 20px;
    box-shadow: 0 8px 30px rgba(28, 65, 110, .07);
    transition: all .25s ease;
}

.demo-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(28, 65, 110, .14);
}

.demo-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 18px;
    background: #edf4ff;
    font-size: 30px;
    margin-bottom: 20px;
}

.demo-card h3 {
    font-weight: 700;
}

.demo-card p {
    min-height: 72px;
}

.btn-primary {
    background: #2057ad;
    border-color: #2057ad;
    border-radius: 10px;
    padding: 11px;
    font-weight: 600;
}

.btn-primary:hover {
    background: #17478f;
    border-color: #17478f;
}

footer {
    padding: 30px 0;
    border-top: 1px solid #e2eaf2;
    background: white;
    color: #718096;
}