/* ===== BASE ===== */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    line-height: 1.6;
    background: #fff;
    overflow-x: hidden;
}

/* ===== HEADER ===== */
.site-header {
    background: #000;
    color: #fff;
    padding: 10px 20px;
}

.site-header a {
    max-width: 900px;
    margin: auto;
    display: flex;
    align-items: center;
    gap: 15px;
    text-decoration: none;
    color: inherit;
}

.site-header img {
    height: 40px;
}

.site-header p {
    margin: 0;
}

/* ===== CONTAINER ===== */
.container {
    max-width: 900px;
    margin: auto;
    padding: 20px;
}

/* ===== GRID ===== */
.grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.grid-item {
    background: #fafafa;
    border: 1px solid #e0e0e0;
    border-radius: 10px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.grid-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

.grid-item a {
    height: 100%;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: inherit;
    text-align: center;
}

.grid-item img {
    height: 90px;
    margin-bottom: 12px;
    object-fit: contain;
}

.grid-item p {
    margin: 0;
    font-size: 0.95em;
    color: #444;
}

/* ===== FOOTER ===== */
.site-footer {
    background: #f4f4f4;
    padding: 20px;
    margin-top: 40px;
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.site-footer div {
    display: flex;
    align-items: center;
    gap: 20px;
}

.site-footer img {
    height: 40px;
}

.site-footer img.large {
    height: 50px;
}

.site-footer button {
    padding: 10px 15px;
    border: none;
    background: #007BFF;
    color: #fff;
    border-radius: 5px;
    cursor: pointer;
}

.site-footer button:hover {
    background: #0056b3;
}

/* ===== MOBILE ===== */
@media (max-width: 768px) {
    .site-header a {
        flex-direction: column;
        text-align: center;
    }

    .grid {
        grid-template-columns: 1fr;
    }

    .grid-item img {
        height: 110px;
    }
}