body {
    background-color: #f0f4f8;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.hero {
    background: linear-gradient(135deg, #0066cc, #005a87);
    color: white;
    padding: 100px 0;
    text-align: center;
    opacity: 0;
    animation: fadeIn 1.5s ease-in-out forwards;
}

.hero h1 {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
}

.btn-login {
    background: linear-gradient(135deg, #00c6ff, #0072ff);
    color: white;
    font-size: 1.2rem;
    padding: 12px 30px;
    border-radius: 50px;
    text-transform: uppercase;
    font-weight: bold;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.btn-login:hover {
    background: linear-gradient(135deg, #00b5e2, #0056b3);
    transform: translateY(-3px);
}

.btn-login::after {
    content: '→';
    font-size: 1.5rem;
    margin-left: 10px;
    transition: all 0.3s ease;
}

.btn-login:hover::after {
    transform: translateX(5px);
}

.btn-custom {
    background: linear-gradient(135deg, #0066cc, #005a87);
    color: white;
    font-size: 1.2rem;
    padding: 15px 30px;
    border-radius: 50px;
    text-transform: uppercase;
    font-weight: bold;
    border: 2px solid transparent;
    transition: all 0.4s ease;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    cursor: pointer;
}

.btn-custom:hover {
    background: linear-gradient(135deg, #4fa3d1, #0077b6);
    border: 2px solid #00bfff;
    transform: scale(1.1);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.3);
    text-shadow: 0 0 8px rgba(255, 255, 255, 0.6);
}

.card {
    opacity: 0;
    transform: translateY(20px);
    animation: slideIn 1s ease-out forwards;
}

.card:nth-child(1) {
    animation-delay: 0.2s;
}

.card:nth-child(2) {
    animation-delay: 0.4s;
}

.card:nth-child(3) {
    animation-delay: 0.6s;
}

@keyframes slideIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

footer {
    background-color: #003366;
    color: white;
    padding: 20px 0;
    text-align: center;
    opacity: 0;
    animation: fadeInFooter 1s ease-in-out forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

@keyframes fadeInFooter {
    to {
        opacity: 1;
    }
}

footer {
    opacity: 0;
    animation: fadeInFooter 1s ease-in-out forwards;
}

/* Card features */
.card-body {
    padding: 20px;
}

.card-title {
    font-size: 1.4rem;
    font-weight: bold;
}

.card-text {
    font-size: 1rem;
}

/* Responsiveness */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }
}