/* ==========================================================================
   OS SELECTION STYLES
   ========================================================================== */

.os-selection-section {
    background: #ffffff !important;
    padding-top: 90px;
    padding-bottom: 80px;
}

.os-card {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 18px;
    padding: 30px 20px;
    height: 100%;
    transition: all 0.35s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.os-card:hover {
    background: #ffffff;
    border-color: #ff7b2c;
    transform: translateY(-6px);
    box-shadow: 0 15px 35px rgba(255, 123, 44, 0.12);
}

.os-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: 18px;
    transition: all 0.3s ease;
}

.os-icon.ubuntu { background: rgba(224, 92, 33, 0.1); color: #e05c21; }
.os-icon.debian { background: rgba(215, 7, 81, 0.1); color: #d70751; }
.os-icon.almalinux { background: rgba(7, 26, 82, 0.1); color: #071a52; }
.os-icon.rockylinux { background: rgba(16, 185, 129, 0.1); color: #10b981; }

.os-card:hover .os-icon {
    transform: scale(1.1);
}

.os-card h4 {
    font-size: 18px;
    font-weight: 800;
    color: #071a52;
    margin-bottom: 6px;
}

.os-versions {
    font-size: 12.5px;
    font-weight: 600;
    color: #64748b;
}

@media (max-width: 575px) {
    .os-card { padding: 20px 12px; }
    .os-icon { width: 48px; height: 48px; font-size: 22px; }
    .os-card h4 { font-size: 15px; }
    .os-versions { font-size: 11px; }
}