:root {
    --primary-color: #3498db;
    --secondary-color: #2c3e50;
    --background-color: #ecf0f1;
    --text-color: #34495e;
    --card-background: #ffffff;
    --shadow-color: rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--background-color);
    color: var(--text-color);
}

.main-content {
    min-height: calc(100vh - 60px);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Hero Section */
.hero {
    position: relative;
    text-align: center;
    padding: 100px 20px;
    color: white;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #000;
    z-index: -1;
}

.hero-content {
    position: relative;
}

.logo {
    max-width: 150px;
    height: auto;
    margin-bottom: 20px;
}

.hero-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 3.5rem;
    font-weight: 700;
    margin: 0 0 10px;
    letter-spacing: 1px;
}

.hero-subtitle {
    font-size: 1.2rem;
    font-weight: 300;
    opacity: 0.9;
}

/* Login Portals Section */
.login-portals {
    padding: 80px 0;
}

.login-portals .container {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.portal-card {
    background-color: var(--card-background);
    border-radius: 12px;
    box-shadow: 0 10px 25px var(--shadow-color);
    width: 350px;
    padding: 40px;
    text-align: center;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-top: 5px solid var(--primary-color);
}

.portal-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px var(--shadow-color);
}

.portal-icon {
    font-size: 3.5rem;
    color: var(--primary-color);
    margin-bottom: 25px;
}

.portal-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.8rem;
    color: var(--secondary-color);
    margin-bottom: 15px;
}

.portal-description {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-color);
    margin-bottom: 25px;
}

.portal-link {
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    display: inline-block;
    transition: transform 0.3s ease;
}

.portal-link i {
    margin-left: 5px;
    transition: transform 0.3s ease;
}

.portal-card:hover .portal-link i {
    transform: translateX(5px);
}

/* Footer */
.footer {
    background-color: var(--secondary-color);
    color: var(--background-color);
    text-align: center;
    padding: 20px 0;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    .login-portals .container {
        flex-direction: column;
        align-items: center;
    }
    .portal-card {
        width: 90%;
    }
}