body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, #4e54c8 0%, #8f94fb 100%);
    min-height: 100vh;
    margin: 0;
    font-family: 'Inter', Arial, sans-serif;
    color: #fff;
    text-align: center;
}

h1 {
    font-size: 2.2rem;
    font-weight: 600;
    margin-bottom: 2rem;
}

main {
    width: 100%;
    max-width: 900px;
    padding: 0 1rem;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1rem;
}

.grid a {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1rem;
    background-color: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(4px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    color: #fff;
    font-weight: 600;
    text-decoration: none;
    transition: transform 0.3s, background-color 0.3s;
}

.grid a:hover {
    transform: translateY(-4px);
    background-color: rgba(255, 255, 255, 0.25);
}

footer {
    margin-top: 3rem;
    font-size: 0.9rem;
    opacity: 0.8;
}
.signature {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: #f4a3ff;
    font-weight: 700;
    text-decoration: none;
    position: relative;
    transition: color 0.3s ease;
}

.signature img.logo-ah {
    height: 20px;
    width: auto;
    filter: drop-shadow(0 0 2px rgba(255, 255, 255, 0.5));
    transition: transform 0.3s ease;
}

.signature:hover {
    color: #ffffff;
}

.signature:hover::after {
    transform: scaleX(1);
}

.signature:hover img.logo-ah {
    transform: scale(1.1);
}