/* =====================================================
   Professional and teaching experience
   ===================================================== */

.experience-heading {
    max-width: 760px;
    margin: 0 auto 34px;
    text-align: center;
}

.experience-heading h2 {
    margin: 8px 0 14px;
    color: var(--text-primary);
    font-size: clamp(2rem, 4vw, 3rem);
}

.experience-heading > p:last-child {
    margin: 0;
    color: var(--text-muted);
}

.experience-card {
    position: relative;
    overflow: hidden;
    max-width: 980px;
    margin: 0 auto;
    padding: clamp(26px, 4vw, 42px);
    border: 1px solid var(--border);
    border-radius: 22px;
    background:
        linear-gradient(135deg, rgba(77, 216, 230, 0.08), transparent 38%),
        var(--surface);
    box-shadow: var(--shadow);
    text-align: left;
}

.experience-card::before {
    position: absolute;
    top: 0;
    left: clamp(26px, 4vw, 42px);
    width: 64px;
    height: 3px;
    border-radius: 0 0 999px 999px;
    background: linear-gradient(90deg, var(--accent), var(--secondary-accent));
    content: "";
}

.experience-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border);
    gap: 24px;
}

.experience-company {
    margin: 0 0 7px;
    color: var(--accent);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.experience-card h3 {
    margin: 0;
    font-size: clamp(1.35rem, 3vw, 1.85rem);
    line-height: 1.35;
}

.experience-type {
    display: inline-flex;
    margin: 12px 0 0;
    padding: 5px 10px;
    border: 1px solid var(--accent-border);
    border-radius: 999px;
    color: var(--accent);
    background: var(--accent-soft);
    font-size: 0.76rem;
    font-weight: 700;
    line-height: 1.3;
}

.experience-period {
    flex: 0 0 auto;
    padding: 7px 11px;
    border: 1px solid var(--accent-border);
    border-radius: 999px;
    color: var(--text-muted);
    background: var(--accent-soft);
    font-size: 0.78rem;
    font-weight: 700;
    white-space: nowrap;
}

.experience-achievements {
    display: grid;
    margin: 28px 0 0;
    padding: 0;
    gap: 16px;
    list-style: none;
}

.experience-achievements li,
.light-mode .experience-achievements li {
    position: relative;
    margin: 0;
    padding-left: 22px;
    color: var(--text-secondary);
    line-height: 1.75;
    text-align: left;
    text-shadow: none;
    transform: none;
}

.experience-achievements li::before {
    position: absolute;
    top: 0.72em;
    left: 2px;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 10px rgba(77, 216, 230, 0.4);
    content: "";
}

.experience-tech {
    display: flex;
    flex-wrap: wrap;
    margin: 30px 0 0;
    padding: 24px 0 0;
    border-top: 1px solid var(--border);
    gap: 8px;
    list-style: none;
}

.experience-tech li,
.light-mode .experience-tech li {
    margin: 0;
    padding: 6px 11px;
    border: 1px solid var(--accent-border);
    border-radius: 999px;
    color: var(--accent);
    background: var(--accent-soft);
    font-size: 0.78rem;
    font-weight: 600;
    line-height: 1.3;
    text-shadow: none;
    transform: none;
}

.teaching-grid {
    display: grid;
    max-width: 980px;
    margin: 0 auto;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.teaching-card {
    position: relative;
    overflow: hidden;
    min-height: 220px;
    padding: 28px;
    border: 1px solid var(--border);
    border-radius: 20px;
    background:
        linear-gradient(145deg, rgba(155, 140, 255, 0.08), transparent 48%),
        var(--surface);
    box-shadow: var(--shadow);
    text-align: left;
    transition:
        border-color 0.25s ease,
        transform 0.25s ease,
        box-shadow 0.25s ease;
}

.teaching-card:hover {
    border-color: var(--accent-border);
    box-shadow:
        var(--shadow),
        0 0 0 1px rgba(77, 216, 230, 0.06);
    transform: translateY(-4px);
}

.teaching-icon {
    display: grid;
    width: 44px;
    height: 44px;
    margin-bottom: 28px;
    border: 1px solid var(--accent-border);
    border-radius: 13px;
    color: var(--accent);
    background: var(--accent-soft);
    place-items: center;
}

.teaching-context {
    margin: 0 0 9px;
    color: var(--text-muted);
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.teaching-card h3 {
    margin: 0;
    font-size: 1.08rem;
    line-height: 1.55;
}

.academic-support-details {
    display: grid;
    max-width: 980px;
    margin: 20px auto 0;
    padding: 28px;
    border: 1px solid var(--border);
    border-radius: 20px;
    background: var(--surface);
    box-shadow: var(--shadow);
    grid-template-columns: minmax(190px, 0.7fr) minmax(0, 1.3fr);
    gap: 28px;
    text-align: left;
}

.academic-support-title p {
    margin: 0 0 8px;
    color: var(--accent);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.academic-support-title h3 {
    margin: 0;
    font-size: 1.25rem;
    line-height: 1.45;
}

.academic-support-list {
    display: grid;
    margin: 0;
    padding: 0;
    gap: 12px;
    list-style: none;
}

.academic-support-list li,
.light-mode .academic-support-list li {
    position: relative;
    margin: 0;
    padding-left: 18px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.65;
    text-shadow: none;
    transform: none;
}

.academic-support-list li::before {
    position: absolute;
    top: 0.72em;
    left: 1px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--secondary-accent);
    content: "";
}

.academic-support-tags {
    display: flex;
    flex-wrap: wrap;
    margin: 4px 0 0;
    padding: 22px 0 0;
    border-top: 1px solid var(--border);
    grid-column: 1 / -1;
    gap: 8px;
    list-style: none;
}

.academic-support-tags li,
.light-mode .academic-support-tags li {
    margin: 0;
    padding: 6px 10px;
    border: 1px solid var(--accent-border);
    border-radius: 999px;
    color: var(--text-muted);
    background: var(--accent-soft);
    font-size: 0.76rem;
    font-weight: 600;
    line-height: 1.3;
    text-shadow: none;
    transform: none;
}

@media (max-width: 900px) {
    .teaching-grid {
        grid-template-columns: 1fr;
    }

    .teaching-card {
        min-height: 0;
    }

    .academic-support-details {
        grid-template-columns: 1fr;
        gap: 22px;
    }

    .academic-support-tags {
        grid-column: auto;
    }
}

@media (max-width: 576px) {
    .experience-card-header {
        flex-direction: column;
        gap: 14px;
    }

    .experience-period {
        white-space: normal;
    }

    .experience-achievements {
        gap: 18px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .teaching-card {
        transition: none;
    }

    .teaching-card:hover {
        transform: none;
    }
}