html, body {
    height: 100%;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.hero-collage img {
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.25);
}

.hero-collage {
    position: relative;
    overflow: hidden;
    background: linear-gradient(180deg, #fefefe 0%, #eaf3ff 100%);
}

.navbar-nav .nav-link {
    font-weight: 700;
    letter-spacing: 0.3px;
}

.navbar-brand {
    font-weight: 800;
}