body {
    background: linear-gradient(135deg, #2196f3 0%, #43e97b 100%);
    font-family: 'Segoe UI', Arial, sans-serif;
    margin: 0;
    min-height: 100vh;
}
header {
    background: #1565c0;
    color: #fff;
    padding: 2rem 0 1rem 0;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
header h1 {
    margin: 0;
    font-size: 2.5rem;
    letter-spacing: 2px;
}
header p {
    margin: 0.5rem 0 0 0;
    font-size: 1.2rem;
    color: #b2dfdb;
}
main {
    max-width: 800px;
    margin: 2rem auto;
    padding: 2rem;
    background: rgba(255,255,255,1);
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(33,150,243,0.08);
}
.app-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}
.app-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
}
.app-card {
    background: #e3f2fd;
    border-radius: 10px;
    padding: 1.5rem 1rem;
    text-align: center;
    box-shadow: 0 2px 8px rgba(33,150,243,0.08);
    transition: transform 0.2s, box-shadow 0.2s;
}
.app-card:hover {
    transform: translateY(-4px) scale(1.03);
    box-shadow: 0 6px 24px rgba(33,150,243,0.18);
}
.app-card-link .app-card {
    /* ensures pointer on hover for the whole card */
    cursor: pointer;
}
.app-card-link .app-card {
    color: #1565c0;
    font-size: 1.1rem;
    font-weight: bold;
}
.app-card-link .desc {
    color: #388e3c;
    font-size: 0.95rem;
    margin-top: 0.5rem;
    font-weight: normal;
}
@media (max-width: 600px) {
    main { padding: 1rem; }
    .app-links {
        gap: 1rem;
        grid-template-columns: 1fr; /* Stack cards vertically */
    }
}
/* Add horizontal margin only on small screens */
@media (max-width: 900px) {
    main {
        margin-left: 1.5rem;
        margin-right: 1.5rem;
    }
}

.footer {
    position: fixed;
    width: 100%;
    bottom: 0;
    background-color: #1565c0; /* Matches the header background */
    color: #ffffff; /* White text for contrast */
    text-align: center;
    padding: 1rem 0;
    margin-top: 2rem;
    font-size: 0.9rem;
    box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.1); /* Subtle shadow for separation */
}

.footer p {
    margin: 0;
    color: #b2dfdb; /* Muted text color for a softer look */
}

.footer .container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1rem;
}