body { background-color: #f8f9fa; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; }
.card { border-radius: 12px; border: none; }
.navbar-brand { font-weight: bold; letter-spacing: 1px; }
.btn-primary { border-radius: 8px; }

/* Tambahkan ini ke assets/css/style.css */
.hero {
    background: linear-gradient(rgba(0,0,100,0.7), rgba(0,0,100,0.7)), url('https://images.unsplash.com/photo-1523050335392-93851179ae22?ixlib=rb-4.0.3&auto=format&fit=crop&w=1600&q=80');
    background-size: cover;
    background-position: center;
    border-bottom: 5px solid #ffc107; /* Aksen kuning ciri khas sekolah */
}