/* ==========================================================================
   certifications.css — Certifications & learning showcase
   ========================================================================== */

.cert-groups {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 22px;
}

.cert-group {
    padding: 26px 24px;
    border-radius: var(--r-lg);
    background: var(--surface);
    border: 1px solid var(--border);
    transition: transform 0.4s var(--ease), border-color 0.4s var(--ease),
    box-shadow 0.4s var(--ease);
    position: relative;
    overflow: hidden;
}

.cert-group::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--grad-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s var(--ease);
}

.cert-group:hover {
    transform: translateY(-6px);
    border-color: var(--border-strong);
    box-shadow: var(--shadow-md), var(--glow-soft);
}

.cert-group:hover::before {
    transform: scaleX(1);
}

.cert-group-head {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 8px;
}

.cert-group-head .icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    background: var(--grad-soft);
    border: 1px solid var(--border);
    color: var(--accent);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.cert-group-head h3 {
    font-size: 1.12rem;
    font-weight: 700;
}

.cert-group-head span {
    font-size: 0.8rem;
    color: var(--muted);
}

.cert-list {
    list-style: none;
    margin: 16px 0 0;
    padding: 0;
    display: grid;
    gap: 2px;
}

.cert-list li {
    display: flex;
    align-items: flex-start;
    gap: 11px;
    padding: 11px 2px;
    border-bottom: 1px solid var(--hairline);
    color: var(--text);
    font-size: 0.94rem;
}

.cert-list li:last-child {
    border-bottom: none;
}

.cert-list li i {
    color: var(--accent);
    margin-top: 4px;
    font-size: 0.78rem;
    flex-shrink: 0;
}

.cert-list li .cert-note {
    color: var(--muted);
    font-size: 0.86rem;
}

.cert-note-line {
    text-align: center;
    color: var(--muted);
    font-size: 0.9rem;
    margin-top: 30px;
}

.cert-note-line a {
    color: var(--accent);
    font-weight: 600;
}

.cert-note-line a:hover {
    text-decoration: underline;
}