/* Page-specific styles for Certifications */
.page-certifications h1 { color: var(--accent, #f59e0b); }

.filters { display: flex; gap: .5rem; margin-top: .6rem; flex-wrap: wrap; }
.filter-btn { background: rgba(255,255,255,.04); color: var(--text); border: 1px solid rgba(255,255,255,.12); border-radius: .6rem; padding: .4rem .6rem; cursor: pointer; }
.filter-btn.active, .filter-btn:hover { color: var(--primary); border-color: rgba(23,245,151,.5); box-shadow: 0 0 0 3px rgba(23,245,151,.15); }

.certs-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1rem; }
.cert-card { position: relative; overflow: hidden; background: linear-gradient(180deg, rgba(0, 212, 255, 0.06), rgba(0,0,0,0)); border: 1px solid rgba(0, 212, 255, 0.28); border-radius: .9rem; padding: 1rem; box-shadow: 0 8px 24px rgba(0, 212, 255, 0.08); }
.cert-preview { margin-bottom: 1rem; border-radius: 8px; overflow: hidden; background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.1); }
.cert-preview iframe { width: 100%; height: 200px; border: none; background: white; }
.cert-head { display: flex; align-items: center; gap: .6rem; margin-bottom: .25rem; }
.cert-actions { display: flex; gap: .5rem; margin-top: .6rem; }
.cert-actions .btn-small {
    background: linear-gradient(135deg, #1a4d3a, #0d2f1f);
    color: #4ade80;
    border: 1px solid #4ade80;
    border-radius: 8px;
    padding: 0.5rem 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}
.cert-actions .btn-small:hover {
    background: linear-gradient(135deg, #0d2f1f, #1a4d3a);
    color: #6ee7b7;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.15);
    transform: translateY(-1px);
}

/* Certificate Detail Page Styles */
.cert-detail-header {
    text-align: center;
    margin-bottom: 2rem;
    padding: 2rem 0;
}

.back-btn {
    display: inline-flex;
    align-items: center;
    color: var(--accent, #f59e0b);
    text-decoration: none;
    margin-bottom: 1.5rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.back-btn:hover {
    color: var(--primary, #17f597);
}

.cert-badge-large {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary, #17f597), var(--accent, #f59e0b));
    color: var(--bg, #0a0f0d);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 1rem;
    letter-spacing: 1px;
}

.cert-subtitle {
    color: var(--text-muted, #a0a0a0);
    font-size: 1.1rem;
    margin-top: 0.5rem;
}

.cert-detail-content {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    margin-top: 2rem;
}

.cert-image-container {
    position: relative;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 1rem;
    overflow: hidden;
}

.cert-image {
    width: 100%;
    height: 600px;
    border-radius: 8px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
    border: none;
    background: white;
}

.cert-image:hover {
    transform: scale(1.02);
}

.cert-image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    border-radius: 8px;
}

.cert-image-container:hover .cert-image-overlay {
    opacity: 1;
}

.cert-description h2 {
    color: var(--primary, #17f597);
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.cert-description h2:first-child {
    margin-top: 0;
}

.cert-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 2rem;
}

.cert-info-item h3 {
    color: var(--accent, #f59e0b);
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.cert-info-item p {
    color: var(--text, #ffffff);
    font-weight: 500;
}

.cert-topics {
    list-style: none;
    padding: 0;
    margin: 1rem 0 2rem 0;
}

.cert-topics li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text, #ffffff);
}

.cert-topics li:before {
    content: "▶";
    position: absolute;
    left: 0;
    color: var(--primary, #17f597);
    font-size: 0.8rem;
}

.skills-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1rem 0 2rem 0;
}

.skill-tag {
    background: rgba(23, 245, 151, 0.1);
    color: var(--primary, #17f597);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid rgba(23, 245, 151, 0.3);
}

.cert-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

@media (max-width: 768px) {
    .cert-image {
        height: 400px;
    }
    
    .cert-info-grid {
        grid-template-columns: 1fr;
    }
    
    .cert-actions {
        flex-direction: column;
    }
}

@media (max-width: 520px) {
  .certs-grid { grid-template-columns: 1fr; }
}