.teaching-hero {
    background: #edf8f6;
}

.teaching-hero .section-label,
.institution-role {
    color: #0f766e;
}

.teaching-hero .highlight-card,
.teaching-expertise-grid .expertise-card {
    border-color: #c9e7e2;
}

.teaching-hero .highlight-card {
    border-left-color: #0f766e;
}

.teaching-expertise-grid .card-accent {
    background: #0f766e;
}

.teaching-philosophy-section {
    padding: 55px 45px;

    background: #17243a;
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(20, 34, 56, 0.08);
}

.teaching-philosophy-section .section-label {
    color: #7dd3c7;
}

.teaching-philosophy-section .section-heading h2 {
    color: #ffffff;
}

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.philosophy-card {
    padding: 25px;

    background: #22324b;
    border: 1px solid #344762;
    border-radius: 12px;
}

.philosophy-card h3 {
    margin-bottom: 12px;
    color: #ffffff;
}

.philosophy-card p {
    color: #d7e0ec;
}

.institution-list {
    display: grid;
    gap: 30px;
}

.institution-card {
    padding: 32px;

    background: #f7f9fc;
    border: 1px solid #dce4ee;
    border-radius: 14px;
}

.institution-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 30px;

    margin-bottom: 18px;
}

.institution-heading h3 {
    margin-bottom: 4px;
    color: #17243a;
    font-size: 1.55rem;
}

.institution-role {
    font-weight: bold;
}

.institution-summary {
    max-width: 920px;
    margin-bottom: 24px;
    color: #4c5b70;
}

.course-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
}

.course-card {
    padding: 22px;

    background: #ffffff;
    border: 1px solid #dce4ee;
    border-radius: 10px;
}

.course-card h4 {
    margin-bottom: 9px;
    color: #17243a;
    font-size: 1.08rem;
}

.course-card p {
    color: #5e6b7c;
}

.curriculum-grid {
    grid-template-columns: repeat(2, 1fr);
}

@media (max-width: 900px) {
    .philosophy-grid,
    .course-grid,
    .curriculum-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 650px) {
    .teaching-hero {
        padding: 32px 18px;
    }

    .teaching-hero .hero-content h1 {
        font-size: 1.75rem;
    }

    .teaching-hero .section-label {
        font-size: 0.78rem;
        letter-spacing: 0.8px;
    }

    .teaching-philosophy-section {
        padding: 38px 22px;
        border-radius: 12px;
    }

    .institution-card {
        padding: 23px;
    }

    .institution-heading {
        flex-direction: column;
        gap: 10px;
    }
}