/* Certificate Section Styles */
.certificate-section {
    padding: 0rem 0rem 2rem;
    position: relative;
    overflow: visible;
}

.certificates-scroll-container {
    position: relative;
    width: 100%;
    overflow: hidden;
    z-index: 1;
    padding: 1rem 0;
    /* Fade out cards near edges for a smooth entrance/exit */
    -webkit-mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
    mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
}

.certificates-track {
    display: flex;
    gap: 2rem;
    width: max-content;
    will-change: transform;
    transform: translateZ(0); /* promote to GPU layer */
}

.certificate-item {
    background: linear-gradient(135deg, rgba(8, 100, 120, 0.2), rgba(15, 20, 25, 0.1));
    border-radius: 20px;
    padding: 1.5rem;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    min-width: 450px;
    max-width: 450px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

.certificate-item:hover::before {
    transform: scaleX(1);
}

.certificate-item:hover {
    transform: scale(1.05);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    background: rgba(56, 189, 248, 0.1);
    z-index: 10;
    position: relative;
}

.certificate-header {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.certificate-info {
    flex: 1;
    min-width: 0;
}

.certificate-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
}

.certificate-issuer {
    font-size: 1rem;
    color: var(--secondary-color);
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.certificate-year {
    font-size: 0.9rem;
    color: rgba(245, 245, 245, 0.7);
    font-weight: 500;
}

/* Smooth slowdown handled by JS */

/* ── Responsive: Certificates ────────────────────── */
@media (max-width: 1024px) {
    .certificate-section {
        padding: 1.8rem 1.5rem 3rem;
    }
}

@media (max-width: 768px) {
    .certificates-scroll-container {
        padding: 1.5rem 0;
    }

    .certificate-item {
        min-width: 300px;
        max-width: 300px;
        padding: 1.5rem;
    }

    .certificate-title {
        font-size: 1.2rem;
    }

    .certificate-section {
        padding: 1.5rem 1rem 2rem;
    }
}

@media (max-width: 480px) {
    .certificate-item {
        min-width: 280px;
        max-width: 280px;
        padding: 1.2rem;
    }

    .certificate-header {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .certificate-title {
        font-size: 1.1rem;
    }

    .certificate-section {
        padding: 1.2rem 0.8rem 1.5rem;
    }
}