/* Styling Global */
body {
    font-family: 'Nunito', sans-serif;
    background-color: #f8f9fc;
}

/* Navbar */
.navbar-custom {
    background-color: #ffffff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    padding: 15px 0;
}
.navbar-brand {
    font-weight: 800;
    color: #4e73df !important;
    font-size: 1.5rem;
}
.nav-link {
    font-weight: 600;
    color: #5a5c69 !important;
    margin-left: 15px;
}
.btn-login {
    background-color: #4e73df;
    color: white !important;
    border-radius: 50px;
    padding: 8px 25px;
    font-weight: bold;
    transition: 0.3s;
}
.btn-login:hover {
    background-color: #2e59d9;
    transform: translateY(-2px);
}

/* Hero Section */
.hero-section {
    padding: 100px 0 80px;
    background: linear-gradient(135deg, #4e73df 0%, #224abe 100%);
    color: white;
    border-bottom-left-radius: 50px;
    border-bottom-right-radius: 50px;
    position: relative;
    overflow: hidden;
}
.hero-title {
    font-weight: 800;
    font-size: 3rem;
    line-height: 1.2;
}
.hero-text {
    font-size: 1.1rem;
    margin-bottom: 30px;
    opacity: 0.9;
}
.hero-img {
    width: 100%;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}

/* Kartu Pilihan (Siswa/Guru) */
.role-card {
    border: none;
    border-radius: 20px;
    transition: all 0.3s ease;
    cursor: pointer;
    overflow: hidden;
    position: relative;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}
.role-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(78, 115, 223, 0.3);
}
.role-icon {
    font-size: 4rem;
    margin-bottom: 20px;
    color: #4e73df;
}
.role-btn {
    border-radius: 50px;
    font-weight: bold;
    padding: 10px 30px;
}

/* Alur Section */
.step-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    height: 100%;
    border-bottom: 5px solid #4e73df;
    transition: 0.3s;
}
.step-card:hover {
    background: #4e73df;
    color: white;
}
.step-card:hover .icon-step {
    background: white;
    color: #4e73df;
}
.icon-step {
    width: 70px;
    height: 70px;
    background: #f1f3f9;
    color: #4e73df;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 20px;
    transition: 0.3s;
}

/* Footer */
footer {
    background: #2c3e50;
    color: white;
    padding: 20px 0;
    text-align: center;
}