body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f4f4f9;
    color: #333;
    line-height: 1.6;
}

.main-header {
    text-align: center;
    padding: 40px 20px;
    background-color: #1e2e3f;
    color: white;
}

.main-header h1 { margin: 0; font-size: 2.5rem; }

.nav-dashboard {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    width: 90%;
    margin: -30px auto 40px; /* Pulls nav up slightly over header */
}

.nav-card {
    background: #ffffff;
    padding: 25px;
    text-decoration: none;
    color: white;
    font-weight: bold;
    text-align: center;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    background-color: #1e2e3f;
}

.nav-card:hover {
    transform: translateY(-5px);
    background-color: #2c3e50;
    box-shadow: 0 8px 20px rgba(0,0,0,0.2);
}

.s1 { border-bottom: 5px solid #e67e22; }
.s2 { border-bottom: 5px solid #27ae60; }
.s3 { border-bottom: 5px solid #2980b9; }
.s4 { border-bottom: 5px solid #8e44ad; }

.news-banner {
    text-align: center;
    margin: 0px 0;
}

.news-banner img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
}

.restaurant-hub {
    width: 90%;
    margin: 40px auto;
}

.restaurant-hub h2 {
    text-align: center;
    color: #1e2e3f;
    text-transform: uppercase;
}

.restaurant-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.restaurant-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.card-header {
    padding: 15px;
    color: white;
    font-weight: bold;
    text-align: center;
}

.xyz { background: #e67e22; }
.recycle { background: #27ae60; }
.old { background: #2980b9; }
.life { background: #8e44ad; }

.card-body { padding: 20px; }