/* Security Testing Section */
.security-testing {
    background-color: var(--deep-space);
    position: relative;
    overflow: hidden;
}

.security-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    perspective: 1000px;
}

.security-card {
    background: var(--space-light);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    transform-style: preserve-3d;
    position: relative;
    height: 380px;
    border: 1px solid var(--glass-border);
    opacity: 0;
    transform: translateY(30px);
}

.security-card.animate {
    opacity: 1;
    transform: translateY(0);
}

.security-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 0 25px var(--neon-violet-glow);
}

.security-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.security-card:hover .security-card-inner {
    transform: rotateY(180deg);
}

.security-card-front,
.security-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

.security-card-front {
    display: flex;
    flex-direction: column;
    padding: 2.5rem;
}

.security-icon {
    font-size: 2.5rem;
    color: var(--cyber-aqua);
    margin-bottom: 1.5rem;
    text-shadow: 0 0 10px var(--cyber-aqua-glow);
    transition: transform 0.3s ease;
}

.security-card:hover .security-icon {
    transform: scale(1.2);
}

.security-card-front h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--starlight);
}

.security-card-front p {
    margin-bottom: 1.5rem;
    color: var(--cosmic-text);
    opacity: 0.8;
}

.security-card-back {
    background: linear-gradient(135deg, var(--space-light), var(--space-dark));
    color: white;
    padding: 2.5rem;
    transform: rotateY(180deg);
    display: flex;
    flex-direction: column;
    justify-content: center;
    border: 1px solid var(--neon-violet);
    box-shadow: inset 0 0 20px var(--neon-violet-glow);
}

.security-card-back h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: white;
    text-shadow: 0 0 10px var(--cyber-aqua-glow);
}

.security-features {
    list-style: none;
    margin-bottom: 2rem;
}

.security-features li {
    margin-bottom: 0.8rem;
    position: relative;
    padding-left: 1.5rem;
    color: var(--cosmic-text);
}

.security-features li::before {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    left: 0;
    color: var(--matrix-green);
    text-shadow: 0 0 8px var(--matrix-green-glow);
}

.flip-instruction {
    display: block;
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px dashed var(--glass-border);
    opacity: 0.7;
    text-align: center;
    width: 100%;
    font-size: 0.9rem;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .security-card {
        height: 420px;
    }
    
    .flip-hint {
        display: block;
    }
}

@media (max-width: 992px) {
    .security-card {
        height: 380px;
    }
}