/* =========================================================
   FEATURED COURSE SLIDER — full viewport hero style
   Deliberately does NOT use .container-page — this section
   needs to span the full 100vw regardless of the site's
   normal content width. The text content inside each slide
   uses its own dedicated max-width wrapper instead, since
   page/section-specific styles belong in their own file
   (per global.css's own convention).
   ========================================================= */

.course-slider {
    position: relative;
    width: 100vw;
    margin-left: calc(50% - 50vw);
    margin-right: calc(50% - 50vw);
    overflow: hidden;
}

.course-slider-track {
    display: flex;
    width: 100%;
    transition: transform 0.7s ease;
    will-change: transform;
}

.course-card {
    flex: 0 0 100%;
    min-width: 100%;
    position: relative;
    height: clamp(90vh, 92vh, 100vh);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: flex-end;
}

.course-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(38, 50, 56, 0.15) 0%,
        rgba(38, 50, 56, 0.55) 55%,
        rgba(38, 50, 56, 0.85) 100%
    );
    z-index: 1;
}

.course-card-content {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 760px;
    margin: 0 auto;
    padding: 0 var(--spacing-container-padding) 4.5rem;
    color: var(--color-white);
    text-align: center;
}

.course-card-category {
    display: inline-block;
    margin-bottom: 0.75rem;
    color: var(--color-white);
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 0.3rem 0.9rem;
    border-radius: var(--radius-pill);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    backdrop-filter: blur(4px);
}

.course-card-title {
    margin: 0;
    color: var(--color-white);
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    line-height: 1.2;
    font-weight: 800;
}

.course-card-description {
    max-width: 620px;
    margin: 1rem auto 0;
    color: rgba(255, 255, 255, 0.85);
    font-size: 1rem;
    line-height: 1.75;
}

.course-card-meta {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.course-meta-item {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.875rem;
    font-weight: 600;
}

.course-meta-item i {
    color: var(--color-white);
}

.course-card-footer {
    margin-top: 2rem;
}

.course-card-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    min-height: 2.9rem;
    padding: 0.7rem 1.5rem;
    border: 1px solid var(--color-white);
    border-radius: var(--radius-pill);
    background: var(--color-white);
    color: var(--color-primary);
    font-size: 0.9rem;
    font-weight: 700;
    text-decoration: none;
    transition:
        background-color var(--transition-fast),
        color var(--transition-fast),
        transform var(--transition-fast);
}

.course-card-button:hover {
    background: var(--color-secondary);
    border-color: var(--color-secondary);
    color: var(--color-white);
    transform: translateY(-1px);
}

.course-card-button:focus-visible {
    outline: 3px solid rgba(255, 255, 255, 0.5);
    outline-offset: 2px;
}

.course-card-button i {
    transition: transform var(--transition-fast);
}

.course-card-button:hover i {
    transform: translateX(3px);
}


/* =========================================================
   SLIDER CONTROLS — overlaid on the slide edges
   ========================================================= */

.course-slider-controls {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 1.5rem;
    z-index: 3;
    pointer-events: none;
}

.course-slider-button {
    pointer-events: auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    padding: 0;
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    color: var(--color-white);
    backdrop-filter: blur(6px);
    cursor: pointer;
    transition:
        background-color var(--transition-fast),
        border-color var(--transition-fast),
        transform var(--transition-fast);
}

.course-slider-button:hover {
    background: var(--color-white);
    color: var(--color-primary);
}

.course-slider-button:active {
    transform: scale(0.96);
}

.course-slider-button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}


/* =========================================================
   SLIDER PROGRESS — overlaid at the bottom of the slide
   ========================================================= */

.course-slider-progress {
    position: absolute;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    justify-content: center;
    gap: 0.4rem;
    z-index: 3;
}

.course-slider-dot {
    width: 7px;
    height: 7px;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition:
        width var(--transition-fast),
        background-color var(--transition-fast);
}

.course-slider-dot.is-active {
    width: 22px;
    border-radius: var(--radius-pill);
    background: var(--color-white);
}


/* =========================================================
   TABLET
   ========================================================= */

@media (max-width: 767px) {

    .course-card {
        height: clamp(75vh, 80vh, 90vh);
        align-items: center;
    }

    .course-card-content {
        padding: 0 1.25rem 2rem;
    }

    .course-card-title {
        font-size: 1.75rem;
    }

    .course-card-description {
        font-size: 0.9rem;
    }

    .course-slider-controls {
        padding: 0 1rem;
    }

    .course-slider-button {
        width: 2.5rem;
        height: 2.5rem;
    }
}


/* =========================================================
   MOBILE
   ========================================================= */

@media (max-width: 480px) {

    .course-card {
        height: 70vh;
    }

    .course-card-title {
        font-size: 1.5rem;
    }

    .course-card-meta {
        gap: 0.9rem;
    }

    .course-card-button {
        width: 100%;
    }
}


/* =========================================================
   REDUCED MOTION
   ========================================================= */

@media (prefers-reduced-motion: reduce) {

    .course-slider-track,
    .course-slider-button,
    .course-card-button,
    .course-card-button i,
    .course-slider-dot {
        transition: none;
    }
}




















/* =========================================================
   COURSE ARCHIVE HEADER
   ========================================================= */

.course-archive-header {
    padding: clamp(3rem, 7vw, 5.5rem) 0 clamp(2.5rem, 5vw, 4rem);
    background:
        linear-gradient(
            135deg,
            rgba(53, 104, 89, 0.08),
            rgba(106, 153, 78, 0.04)
        ),
        var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}

.course-archive-header-content {
    max-width: 850px;
    margin: 0 auto;
    text-align: center;
}

.course-archive-label {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    padding: 0.45rem 0.9rem;
    border: 1px solid rgba(53, 104, 89, 0.2);
    border-radius: var(--radius-pill);
    background: rgba(53, 104, 89, 0.08);
    color: var(--color-primary);
    font-size: 0.75rem;
    font-weight: 750;
    letter-spacing: 0.06em;
    line-height: 1;
    text-transform: uppercase;
}

.course-archive-label i {
    font-size: 0.9rem;
}

.course-archive-title {
    max-width: 850px;
    margin: 0;
    color: var(--color-text);
    font-size: clamp(2rem, 5vw, 3.75rem);
    font-weight: 800;
    letter-spacing: -0.035em;
    line-height: 1.12;
}

.course-archive-description {
    max-width: 680px;
    margin: 1.25rem auto 0;
    color: var(--color-text-muted);
    font-size: clamp(0.95rem, 2vw, 1.1rem);
    line-height: 1.8;
}


/* =========================================================
   FEATURED COURSE SECTION
   Only section heading styles.
   Slider CSS remains untouched.
   ========================================================= */

.course-featured-section {
    padding: clamp(3rem, 6vw, 5rem) 0;
    background: var(--color-background);
}

.course-section-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1.5rem;
    margin-bottom: 1.75rem;
}

.course-section-heading {
    min-width: 0;
}

.course-section-label {
    display: block;
    margin-bottom: 0.55rem;
    color: var(--color-primary);
    font-size: 0.75rem;
    font-weight: 750;
    letter-spacing: 0.07em;
    line-height: 1.4;
    text-transform: uppercase;
}

.course-section-title {
    margin: 0;
    color: var(--color-text);
    font-size: clamp(1.6rem, 3vw, 2.35rem);
    font-weight: 800;
    letter-spacing: -0.025em;
    line-height: 1.2;
}

.course-section-description {
    max-width: 680px;
    margin: 0.85rem auto 0;
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.75;
}

.course-section-heading-centered {
    max-width: 760px;
    margin: 0 auto 2.25rem;
    text-align: center;
}


/* =========================================================
   COURSE CATEGORIES SECTION
   ========================================================= */

.course-categories-section {
    padding: clamp(3.5rem, 7vw, 5.5rem) 0;
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
}

.course-category-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
}

.course-category-card {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    min-width: 0;
    padding: 1.1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-surface);
    color: var(--color-text);
    text-decoration: none;
    transition:
        border-color var(--transition-fast),
        box-shadow var(--transition-fast),
        transform var(--transition-fast),
        background-color var(--transition-fast);
}

.course-category-card:hover {
    border-color: rgba(53, 104, 89, 0.35);
    background: var(--color-background);
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.07);
    color: var(--color-text);
    transform: translateY(-3px);
}

.course-category-card:focus-visible {
    outline: 3px solid rgba(53, 104, 89, 0.22);
    outline-offset: 3px;
}

.course-category-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 3rem;
    width: 3rem;
    height: 3rem;
    border-radius: var(--radius-md);
    background: rgba(53, 104, 89, 0.1);
    color: var(--color-primary);
    font-size: 1.1rem;
}

.course-category-content {
    display: flex;
    flex: 1;
    flex-direction: column;
    min-width: 0;
}

.course-category-content strong {
    color: var(--color-text);
    font-size: 0.9rem;
    font-weight: 750;
    line-height: 1.4;
}

.course-category-content small {
    margin-top: 0.25rem;
    color: var(--color-text-muted);
    font-size: 0.75rem;
    line-height: 1.45;
}

.course-category-arrow {
    flex: 0 0 auto;
    color: var(--color-text-muted);
    font-size: 0.75rem;
    transition:
        color var(--transition-fast),
        transform var(--transition-fast);
}

.course-category-card:hover .course-category-arrow {
    color: var(--color-primary);
    transform: translateX(3px);
}


/* =========================================================
   STUDENT CTA
   ========================================================= */

.course-student-cta {
    padding: clamp(2.5rem, 5vw, 4rem) 0;
    background: var(--color-background);
}

.course-student-cta-inner {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: clamp(1.5rem, 4vw, 2.25rem);
    border: 1px solid rgba(53, 104, 89, 0.2);
    border-radius: var(--radius-lg);
    background:
        linear-gradient(
            135deg,
            rgba(53, 104, 89, 0.08),
            rgba(106, 153, 78, 0.04)
        ),
        var(--color-surface);
    box-shadow: 0 8px 28px rgba(15, 23, 42, 0.04);
}

.course-student-cta-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 4rem;
    width: 4rem;
    height: 4rem;
    border: 1px solid rgba(53, 104, 89, 0.18);
    border-radius: var(--radius-lg);
    background: var(--color-surface);
    color: var(--color-primary);
    font-size: 1.5rem;
}

.course-student-cta-content {
    flex: 1;
    min-width: 0;
}

.course-student-cta-label {
    display: block;
    margin-bottom: 0.35rem;
    color: var(--color-primary);
    font-size: 0.75rem;
    font-weight: 750;
    letter-spacing: 0.06em;
    line-height: 1.4;
    text-transform: uppercase;
}

.course-student-cta-title {
    margin: 0;
    color: var(--color-text);
    font-size: clamp(1.15rem, 2.5vw, 1.55rem);
    font-weight: 800;
    line-height: 1.35;
}

.course-student-cta-description {
    max-width: 650px;
    margin: 0.5rem 0 0;
    color: var(--color-text-muted);
    font-size: 0.9rem;
    line-height: 1.7;
}

.course-student-cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    gap: 0.55rem;
    min-height: 2.9rem;
    padding: 0.75rem 1.2rem;
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-pill);
    background: var(--color-primary);
    color: var(--color-white);
    font-size: 0.875rem;
    font-weight: 750;
    text-decoration: none;
    white-space: nowrap;
    transition:
        background-color var(--transition-fast),
        border-color var(--transition-fast),
        transform var(--transition-fast);
}

.course-student-cta-button:hover {
    border-color: var(--color-secondary);
    background: var(--color-secondary);
    color: var(--color-white);
    transform: translateY(-1px);
}

.course-student-cta-button:focus-visible {
    outline: 3px solid rgba(53, 104, 89, 0.22);
    outline-offset: 3px;
}


/* =========================================================
   RESPONSIVE ADJUSTMENTS
   ========================================================= */

@media (max-width: 991px) {

    .course-category-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .course-student-cta-inner {
        align-items: flex-start;
        flex-wrap: wrap;
    }

    .course-student-cta-content {
        flex-basis: calc(100% - 5.25rem);
    }

    .course-student-cta-button {
        margin-left: 5.25rem;
    }
}


@media (max-width: 767px) {

    .course-section-header {
        align-items: center;
        gap: 1rem;
    }

    .course-section-title {
        font-size: 1.55rem;
    }

    .course-category-grid {
        grid-template-columns: 1fr;
    }

    .course-student-cta-inner {
        display: grid;
        grid-template-columns: auto minmax(0, 1fr);
        gap: 1rem;
    }

    .course-student-cta-icon {
        width: 3.25rem;
        height: 3.25rem;
        font-size: 1.25rem;
    }

    .course-student-cta-content {
        flex-basis: auto;
    }

    .course-student-cta-button {
        grid-column: 1 / -1;
        width: 100%;
        margin-left: 0;
    }
}


@media (max-width: 480px) {

    .course-archive-header {
        padding-top: 2.75rem;
        padding-bottom: 2.5rem;
    }

    .course-archive-title {
        font-size: 1.85rem;
    }

    .course-archive-description {
        font-size: 0.9rem;
    }

    .course-section-title {
        font-size: 1.4rem;
    }

    .course-section-label {
        font-size: 0.7rem;
    }

    .course-category-card {
        padding: 1rem;
    }

    .course-student-cta-inner {
        padding: 1.25rem;
    }

    .course-student-cta-title {
        font-size: 1.1rem;
    }
}


/* =========================================================
   REDUCED MOTION
   ========================================================= */

@media (prefers-reduced-motion: reduce) {

    .course-category-card,
    .course-category-arrow,
    .course-student-cta-button {
        transition: none;
    }
}