/* Certifications Styles */
.certifications-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 30px;
    padding-top: 40px;
}
@media (min-width: 768px) {
    .certifications-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (min-width: 1024px) {
    .certifications-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.achievement-card {
    position: relative;
    background: rgba(20, 20, 20, 0.9);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    flex-direction: column;
}

.achievement-card:hover {
    transform: translateY(-8px);
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.5);
}

.ac-header {
    position: relative;
    height: 200px;
    width: 100%;
    background: linear-gradient(135deg, #3f3f46, #52525b, #71717a);
    overflow: hidden;
}

.ac-header img, .ac-header iframe {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.6;
    transition: all 0.7s ease;
    pointer-events: none;
}

.achievement-card:hover .ac-header img,
.achievement-card:hover .ac-header iframe {
    opacity: 1;
    transform: scale(1.1);
}

.ac-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8), rgba(0,0,0,0.2), transparent);
    pointer-events: none;
}

.ac-badge-icon {
    position: absolute;
    top: 16px;
    right: 16px;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(8px);
    padding: 8px;
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.1);
    z-index: 20;
    transition: transform 0.3s ease;
}

.achievement-card:hover .ac-badge-icon {
    transform: rotate(15deg) scale(1.1);
}

.ac-tag {
    position: absolute;
    top: 16px;
    left: 16px;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(8px);
    padding: 4px 10px;
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.1);
    font-size: 10px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 1px;
    z-index: 20;
}

.ac-cred-id {
    position: absolute;
    bottom: 16px;
    left: 16px;
    font-family: 'Share Tech Mono', monospace;
    font-size: 10px;
    color: rgba(255,255,255,0.5);
    text-transform: uppercase;
    letter-spacing: 2px;
    z-index: 20;
}

.ac-date {
    position: absolute;
    bottom: 16px;
    right: 16px;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(8px);
    padding: 4px 10px;
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.1);
    font-size: 10px;
    font-weight: bold;
    z-index: 20;
}

.ac-body {
    padding: 24px;
    background: linear-gradient(to bottom, transparent, rgba(0,0,0,0.3));
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.ac-title {
    font-size: 18px;
    font-weight: bold;
    line-height: 1.2;
    margin-bottom: 12px;
    color: var(--text-primary, #fff);
}

.ac-issuer {
    font-size: 12px;
    color: var(--text-secondary, #aaa);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
}

.ac-footer {
    margin-top: auto;
    padding-top: 16px;
    border-top: 1px solid rgba(255,255,255,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 10px;
    color: rgba(255,255,255,0.5);
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Modal Styles */
.cert-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(20px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    padding: 20px;
}

.cert-modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.cert-modal {
    width: 100%;
    max-width: 1000px;
    max-height: 90vh;
    background: rgba(20, 20, 20, 0.9);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    transform: scale(0.9) translateY(20px);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0,0,0,0.8);
}

.cert-modal-overlay.active .cert-modal {
    transform: scale(1) translateY(0);
}

.cert-modal-body {
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    padding: 30px;
    gap: 30px;
}

@media (min-width: 992px) {
    .cert-modal-body {
        flex-direction: row;
        overflow: hidden;
    }
}

.cert-modal-left {
    flex: 1.2;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
    min-height: 300px;
}

.cert-modal-left img, .cert-modal-left iframe {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 8px;
}

.cert-modal-right {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.cm-title {
    font-size: 28px;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 20px;
}

.cm-issuer-wrap {
    display: flex;
    gap: 16px;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.cm-issuer {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: bold;
}

.cm-verify-btn {
    background: #fff;
    color: #000;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 10px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 2px;
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    transition: transform 0.2s;
}

.cm-verify-btn:hover {
    transform: translateY(-2px);
}

.cm-details-grid {
    display: grid;
    gap: 10px;
    font-family: 'Share Tech Mono', monospace;
}

.cm-detail-box {
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.1);
    padding: 16px;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.cm-detail-label {
    font-size: 9px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: rgba(255,255,255,0.3);
}

.cm-detail-value {
    font-size: 12px;
    font-weight: bold;
    color: #fff;
}

/* PDF Grid Placeholder */
.ac-pdf-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    width: 100%;
    background: rgba(255, 255, 255, 0.015);
    gap: 12px;
    color: rgba(255, 255, 255, 0.4);
    font-family: 'Share Tech Mono', monospace;
    font-size: 11px;
    letter-spacing: 2px;
}