.security-guide-header {
    background: var(--gradient);
    color: #fff;
    padding: 6rem 0 5rem;
    position: relative;
}
.security-guide-header::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 120px;
    background: var(--light);
    z-index: -1;
    pointer-events: none;
}
.security-guide-header .header-content {
    text-align: center;
    max-width: 860px;
    margin: 0 auto;
}
.security-guide-header .header-actions {
    margin-top: 1.5rem;
    display: flex;
    gap: .75rem;
    justify-content: center;
    flex-wrap: wrap;
}

.guide-section {
    padding: 4rem 0;
}
.guide-section.light {
    background: #f8fafc;
}
.guide-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.25rem;
}
.guide-card {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: 0 8px 22px -18px rgba(15, 23, 42, 0.35);
    min-width: 0;
}
.guide-icon {
    width: 48px;
    height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: .75rem;
    background: var(--gradient);
    color: #fff;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}
.guide-card h3 {
    margin: 0 0 .5rem;
    font-size: 1.1rem;
}
.guide-card p {
    color: var(--secondary);
    margin-bottom: 1rem;
}
.guide-badge {
    display: inline-flex;
    align-items: center;
    padding: .2rem .6rem;
    border-radius: 999px;
    background: #eef2ff;
    color: #3730a3;
    font-size: .75rem;
    font-weight: 600;
}

.guide-columns {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
}
.guide-panel {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 1rem;
    padding: 1.5rem;
}
.guide-panel h3 {
    margin: 0 0 1rem;
}
.guide-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: .75rem;
}
.guide-list li {
    display: flex;
    align-items: center;
    gap: .6rem;
    color: var(--dark);
}
.guide-list i {
    color: var(--primary);
}

.guide-steps {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
}
.step {
    display: flex;
    gap: 1rem;
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 1rem;
    padding: 1.25rem;
}
.step-index {
    font-weight: 800;
    color: #1e40af;
    font-size: 1.2rem;
    min-width: 42px;
}
.step h3 {
    margin: 0 0 .35rem;
}
.step p {
    margin: 0;
    color: var(--secondary);
}

.guide-section.cta {
    background: #0f172a;
    color: #fff;
}
.cta-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    padding: 2rem;
}
.cta-card h2,
.cta-card p {
    color: #fff;
}
.cta-card p {
    color: rgba(255, 255, 255, 0.8);
}
.cta-actions {
    display: flex;
    gap: .75rem;
    flex-wrap: wrap;
}

@media (max-width: 1024px) {
    .guide-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}
@media (max-width: 768px) {
    .guide-grid,
    .guide-columns,
    .guide-steps {
        grid-template-columns: 1fr;
    }
    .cta-card {
        flex-direction: column;
        align-items: flex-start;
    }
}
@media (max-width: 520px) {
    .security-guide-header {
        padding: 4.5rem 0 4rem;
    }
    .guide-card,
    .guide-panel,
    .step {
        padding: 1.1rem;
    }
}