body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background: #f4f7fa;
    margin: 0;
    padding: 0;
}
header {
    background: #2a7ab9;
    color: #fff;
    padding: 1rem 1rem 1rem 1rem;
    text-align: center;
    border-bottom-left-radius: 30px;
    border-bottom-right-radius: 30px;
    box-shadow: 0 2px 8px rgba(42,122,185,0.1);
}
h1 {
    margin: 0;
    font-size: 1.8rem;
    letter-spacing: 1px;
}
main {
    max-width: 900px;
    margin: 2rem auto;
    padding: 0 1rem;
}
.synoptiques-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
}
.synoptique-card {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 2px 8px rgba(42,122,185,0.08);
    padding: 1.5rem;
    transition: transform 0.15s;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.synoptique-card:hover {
    transform: translateY(-4px) scale(1.03);
    box-shadow: 0 6px 16px rgba(42,122,185,0.15);
}
.synoptique-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: #2a7ab9;
    margin-bottom: 0.5rem;
    text-align: center;
}
.synoptique-desc {
    font-size: 1rem;
    color: #444;
    text-align: center;
    margin-bottom: 1rem;
}
.synoptique-link {
    display: inline-block;
    padding: 0.5rem 1.2rem;
    background: #2a7ab9;
    color: #fff;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: background 0.2s;
}
.synoptique-link:hover {
    background: #175a8c;
}
@media (max-width: 600px) {
    header {
        padding: 1.2rem 0.5rem 0.8rem 0.5rem;
    }
    h1 {
        font-size: 1.3rem;
    }
    main {
        padding: 0 0.5rem;
    }
}