:root {
    --edu-green: #0c6b4d;
    --edu-green-dark: #07513b;
    --edu-green-soft: #edf6f1;
    --edu-gold: #c7a45a;
    --edu-gold-soft: #f5ecd7;
    --edu-ink: #24342e;
    --edu-muted: #6d756f;
    --edu-border: #e5e4de;
    --edu-bg: #f7f8f5;
    --edu-surface: #ffffff;
    --edu-shadow: 0 14px 36px rgba(35, 65, 54, .08);
}

body {
    background: var(--edu-bg);
    color: var(--edu-ink);
}

.edu-eyebrow {
    display: inline-block;
    color: var(--edu-green);
    font-size: .78rem;
    font-weight: 800;
    letter-spacing: .13em;
}

.edu-btn-primary {
    color: #fff !important;
    background: var(--edu-green);
    border: 1px solid var(--edu-green);
    border-radius: 11px;
    font-weight: 700;
    padding: .7rem 1rem;
}

.edu-btn-primary:hover,
.edu-btn-primary:focus {
    color: #fff !important;
    background: var(--edu-green-dark);
    border-color: var(--edu-green-dark);
}

.edu-btn-secondary {
    color: var(--edu-green-dark);
    background: #fff;
    border: 1px solid #cfd9d4;
    border-radius: 11px;
    font-weight: 700;
    padding: .7rem 1rem;
}

.edu-btn-secondary:hover,
.edu-btn-secondary:focus {
    color: var(--edu-green-dark);
    background: var(--edu-green-soft);
    border-color: #9cbcaf;
}

.edu-state {
    padding: 34px 20px;
    text-align: center;
    color: var(--edu-muted);
    border: 1px dashed #d8ddd9;
    border-radius: 14px;
    background: #fff;
}

.edu-state-error {
    color: #9a3434;
    border-color: #efd0d0;
    background: #fff7f7;
}

.edu-course-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
}

.edu-course-card {
    overflow: hidden;
    display: flex;
    flex-direction: column;
    min-width: 0;
    border: 1px solid var(--edu-border);
    border-radius: 18px;
    background: var(--edu-surface);
    box-shadow: 0 8px 24px rgba(41, 65, 56, .06);
    transition: transform .18s ease, box-shadow .18s ease;
}

.edu-course-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--edu-shadow);
}

.edu-course-cover-link {
    display: block;
    overflow: hidden;
    aspect-ratio: 16 / 9;
    background: #eef1ee;
}

.edu-course-cover {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.edu-course-card-body {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: 18px;
}

.edu-course-category {
    align-self: flex-start;
    margin-bottom: 8px;
    padding: 4px 9px;
    border-radius: 999px;
    color: var(--edu-green-dark);
    background: var(--edu-green-soft);
    font-size: .75rem;
    font-weight: 700;
}

.edu-course-card h3 {
    margin: 0 0 9px;
    font-size: 1.16rem;
    line-height: 1.35;
}

.edu-course-card h3 a {
    color: var(--edu-ink);
    text-decoration: none;
}

.edu-course-description {
    min-height: 48px;
    margin: 0 0 14px;
    color: var(--edu-muted);
    line-height: 1.55;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.edu-course-instructor {
    display: flex;
    align-items: center;
    gap: 9px;
    color: #53625c;
    font-size: .88rem;
}

.edu-course-instructor img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    border: 1px solid #e0e6e2;
}

.edu-course-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: auto;
    padding-top: 16px;
    border-top: 1px solid #edf0ed;
}

.edu-course-price {
    color: var(--edu-green-dark);
    font-size: 1.05rem;
}

.edu-course-detail-link,
.edu-text-link {
    color: var(--edu-green);
    font-weight: 700;
    text-decoration: none;
}

.edu-course-detail-link:hover,
.edu-text-link:hover {
    color: var(--edu-green-dark);
}

.edu-rich-content {
    color: #45534d;
    line-height: 1.75;
}

.edu-rich-content img {
    max-width: 100%;
    height: auto;
}

@media (max-width: 991.98px) {
    .edu-course-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 575.98px) {
    .edu-course-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }
}