.section-about {
    padding-top: 3rem;
    padding-bottom: 3rem;
}

.course-hero {
    position: relative;
    padding-top: 90px;
    padding-bottom: 70px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.breadcrumb-course {
    position: static;
    opacity: 1;
    animation: none;
}

.course-hero-content {
    width: 100%;
    text-align: left;
    margin-top: 1rem;
}

.course-hero-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 0.75rem;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.4s forwards;
}

.course-hero-desc {
    color: var(--color-text-body);
    font-size: 0.875rem;
    line-height: 1.625;
    margin-bottom: 1rem;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.6s forwards;
}

.course-hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--color-primary);
    color: var(--color-bg);
    font-weight: 500;
    font-size: 0.75rem;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    text-decoration: none;
    transition: background 0.2s;
}

.course-hero-cta:hover {
    background: var(--color-primary-dark);
}

.course-hero-cta-arrow {
    width: 0.875rem;
    height: 0.875rem;
    display: inline-flex;
}

.course-hero-cta-arrow svg {
    width: 100%;
    height: 100%;
}

.section-timings {
    padding-top: 0;
}

.timings-filter-box {
    background: var(--color-bg);
    border-radius: 0.75rem;
    box-shadow: 0 4px 6px -1px var(--color-shadow-10);
    border: 1px solid var(--color-bg-muted);
    padding: 1rem;
    margin-bottom: 1.5rem;
    transform: translateY(-45px);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.timings-filter-row {
    display: flex;
    gap: 1rem;
    align-items: flex-end;
}

.timings-filter-row:not(.timings-filter-month-only) {
    flex-wrap: wrap;
}

.timings-filter-month-only {
    grid-template-columns: 1fr auto !important;
}

.timings-filter-field {
    flex: 1;
    min-width: 0;
}

.timings-filter-field .form-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-muted);
    margin-bottom: 0.25rem;
}

.timings-select {
    width: 100%;
    height: 45px;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: 0.75rem;
    font-size: 0.875rem;
    font-family: inherit;
    background: var(--color-bg);
}

.timings-clear-btn {
    color: var(--color-primary);
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    font-weight: 500;
    font-size: 0.875rem;
    cursor: pointer;
    flex-shrink: 0;
}

.timings-clear-btn:hover {
    text-decoration: underline;
}

.timings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 0.75rem;
    padding-bottom: 3rem;
}

.timings-empty {
    text-align: center;
    padding: 3rem;
}

.timings-empty p {
    color: var(--color-text-muted);
    font-size: 1.125rem;
}

.timing-card {
    padding: 0.625rem 0.75rem;
    background: var(--color-bg);
    border-radius: 0.5rem;
    border: 1px solid var(--color-border);
    transition: box-shadow 0.2s;
    overflow: hidden;
    max-width: 24rem;
}

.timing-card:hover {
    box-shadow: 0 4px 6px -1px var(--color-shadow-10);
}

.timing-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
    margin-bottom: 0.75rem;
}

.timing-location {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.timing-location-icon {
    width: 2rem;
    height: 2rem;
    background: var(--color-bg-primary-tint);
    border-radius: 0.375rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.timing-location-icon svg {
    width: 22px;
    height: 22px;
}

.timing-city {
    font-weight: 600;
}

.timing-region {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.timing-dates {
    background: var(--color-bg-subtle);
    border-radius: 0.25rem;
    padding: 0.25rem;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-heading);
    text-align: center;
    margin-bottom: 0.5rem;
}

.timing-price {
    font-size: 0.75rem;
    color: var(--color-text-neutral);
}

.timing-fees {
    color: var(--color-success);
    font-weight: 600;
    font-size: 0.875rem;
}

.timing-actions {
    display: flex;
    gap: 0.375rem;
}

.timing-btn {
    height: 30px;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 0.375rem;
    transition: background 0.2s;
    text-decoration: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
}

.timing-btn-pdf {
    background: var(--color-primary);
    color: var(--color-bg);
}

.timing-btn-pdf:hover {
    background: var(--color-primary-alpha-80);
}

.timing-btn-register {
    background: var(--color-bg-cool);
    color: var(--color-text-secondary);
}

.timing-btn-register:hover {
    background: var(--color-border);
}

#about-course {
    padding-top: 0;
}

.section-about-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
}

.course-content h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
}

.course-content h3:first-child {
    margin-top: 0;
}

.course-content p {
    font-size: 0.875rem;
    line-height: 1.625;
    color: var(--color-text-body);
    margin-bottom: 0.75rem;
}

.course-content ul {
    margin: 0.5rem 0 1rem 1.25rem;
}

.course-content li {
    font-size: 0.875rem;
    line-height: 1.6;
    margin-bottom: 0.25rem;
}

.pdf-popup {
    position: fixed;
    inset: 0;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    background: var(--color-overlay-scrim-50);
}

.pdf-popup-overlay {
    position: absolute;
    inset: 0;
}

.pdf-popup-content {
    position: relative;
    background: var(--color-bg);
    border-radius: 0.75rem;
    box-shadow: 0 25px 50px -12px var(--color-shadow-25);
    max-width: 42rem;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    padding: 1.5rem;
}

.pdf-popup-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.pdf-popup-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-emphasis);
    margin: 0;
}

.pdf-popup-close {
    padding: 0.25rem;
    border-radius: 0.5rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    line-height: 1;
    color: var(--color-text-muted);
    cursor: pointer;
}

.pdf-popup-close:hover {
    background: var(--color-bg-muted);
    color: var(--color-text-secondary);
}

@media (min-width: 640px) {
    .course-hero-title {
        font-size: 2.25rem;
    }

    .course-hero-desc {
        font-size: 1rem;
        margin-bottom: 1.25rem;
    }

    .course-hero-cta {
        font-size: 0.875rem;
        padding: 0.625rem 1.25rem;
    }

    .timings-filter-box {
        padding: 1.5rem;
    }

    .timings-filter-row:not(.timings-filter-month-only) {
        display: grid;
        grid-template-columns: 1fr 1fr auto;
        gap: 1rem;
    }

    .timings-filter-field .form-label {
        font-size: 0.875rem;
    }

    .timings-grid {
        gap: 0.75rem;
        padding-bottom: 5rem;
    }

    .timings-empty {
        padding: 5rem;
    }

    .section-about-title {
        font-size: 1.5rem;
    }

    .course-content h3 {
        font-size: 1.125rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .course-hero-title,
    .course-hero-desc {
        animation: none;
        opacity: 1;
    }
}