.site-auth {
    border-radius: 999px;
    padding: 0.65rem 1.45rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: #0f172a;
    background: linear-gradient(135deg, #38bdf8, #2563eb);
    border: none;
    box-shadow: 0 15px 35px rgba(37, 99, 235, 0.35);
    transition: filter 0.2s ease, transform 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}

.site-auth:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
}

.main-site {
    max-width: 720px;
    margin: 3rem auto;
    padding: 0 1.5rem;
}

.hero-title {
    margin: 0;
    font-size: 2.25rem;
    font-weight: 700;
    color: #f8fafc;
}

.hero-subtitle {
    margin-top: 0.5rem;
    margin-bottom: 2rem;
    color: #cbd5f5;
    font-size: 1rem;
    line-height: 1.6;
}

.hero-domain {
    margin-top: 2rem;
    font-size: 1rem;
    color: #94a3b8;
    letter-spacing: 0.05em;
    font-weight: 500;
    text-transform: lowercase;
}