/**
 * Single Course Page
 *
 * Controls the overall course page layout.
 * Hero and individual course sections are styled separately.
 *
 * @package Aiou
 */


/* =========================================================
   COURSE PAGE
   ========================================================= */

.single-course-page {
    width: 100%;
}

.single-course-content {
    padding: 3rem 0 5rem;
}


/* =========================================================
   COURSE LAYOUT
   ========================================================= */

.single-course-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 2.5rem;
    align-items: start;
}


/* =========================================================
   MAIN COURSE CONTENT
   ========================================================= */

.single-course-main {
    min-width: 0;
}


/* =========================================================
   COURSE SECTIONS
   ========================================================= */

.single-course-section {
    margin: 0 0 3.5rem;
}

.single-course-section:last-child {
    margin-bottom: 0;
}


/* =========================================================
   COURSE SIDEBAR
   ========================================================= */

.single-course-sidebar {
    min-width: 0;
}

.single-course-sidebar-inner {
    position: sticky;
    top: 6rem;
}


/* =========================================================
   ENROLLMENT AREA
   ========================================================= */

.single-course-enrollment {
    width: 100%;
}


/* =========================================================
   LINKS / FOCUS
   ========================================================= */

.single-course-page a:focus-visible {
    outline: 3px solid var(--color-secondary);
    outline-offset: 3px;
}


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

@media (max-width: 991px) {

    .single-course-content {
        padding: 2.5rem 0 4rem;
    }

    .single-course-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .single-course-sidebar {
        width: 100%;
    }

    .single-course-sidebar-inner {
        position: static;
    }

    .single-course-section {
        margin-bottom: 3rem;
    }
}


@media (max-width: 767px) {

    .single-course-content {
        padding: 2rem 0 3rem;
    }

    .single-course-layout {
        gap: 2.5rem;
    }

    .single-course-section {
        margin-bottom: 2.5rem;
    }
}


@media (max-width: 575px) {

    .single-course-content {
        padding: 1.5rem 0 2.5rem;
    }

    .single-course-layout {
        gap: 2rem;
    }

    .single-course-section {
        margin-bottom: 2rem;
    }
}


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

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

    .single-course-page *,
    .single-course-page *::before,
    .single-course-page *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}











/**
 * Single Course Page
 *
 * Controls the single course page layout and hero section.
 *
 * @package Aiou
 */


/* =========================================================
   COURSE HERO
   ========================================================= */

body.single-course .course-hero-bg {
    position: relative;
    min-height: 520px;
    padding: 5rem 0;
    display: flex;
    align-items: center;
    background-color: var(--color-primary);
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    color: var(--color-white);
    overflow: hidden;
}

body.single-course .course-hero-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    z-index: 0;
}

body.single-course .course-hero-inner {
    position: relative;
    z-index: 1;
    width: 100%;
    text-align: center;
}


/* =========================================================
   HERO TITLE
   ========================================================= */

body.single-course .course-hero-title {
    max-width: 900px;
    margin: 0 auto 1rem;
    color: var(--color-white);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.15;
}


/* =========================================================
   HERO DESCRIPTION
   ========================================================= */

body.single-course .course-hero-desc {
    max-width: 760px;
    margin: 0 auto 2rem;
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.05rem;
    line-height: 1.7;
}


/* =========================================================
   HERO META
   ========================================================= */

body.single-course .course-hero-meta {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 2.5rem;
}

body.single-course .course-hero-meta-box {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.7rem 1rem;
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    font-size: 0.95rem;
    line-height: 1.4;
    backdrop-filter: blur(4px);
}

body.single-course .course-hero-meta-box i {
    flex-shrink: 0;
    color: var(--color-secondary);
}


/* =========================================================
   HERO ACTIONS
   ========================================================= */

body.single-course .course-hero-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
}

body.single-course .course-hero-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0.75rem 1.5rem;
    border: 2px solid transparent;
    border-radius: var(--radius-pill);
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.2;
    text-decoration: none;
    transition:
        background-color var(--transition-fast),
        color var(--transition-fast),
        border-color var(--transition-fast),
        transform var(--transition-fast);
}

body.single-course .course-hero-button:hover {
    transform: translateY(-2px);
}

body.single-course .course-hero-button:focus-visible {
    outline: 3px solid var(--color-white);
    outline-offset: 3px;
}


/* =========================================================
   PRIMARY BUTTON
   ========================================================= */

body.single-course .course-hero-button-primary {
    background: var(--color-secondary);
    border-color: var(--color-secondary);
    color: var(--color-white);
}

body.single-course .course-hero-button-primary:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
}


/* =========================================================
   SECONDARY BUTTON
   ========================================================= */

body.single-course .course-hero-button-secondary {
    background: transparent;
    border-color: rgba(255, 255, 255, 0.8);
    color: var(--color-white);
}

body.single-course .course-hero-button-secondary:hover {
    background: var(--color-white);
    border-color: var(--color-white);
    color: var(--color-primary);
}


/* =========================================================
   COURSE PAGE
   ========================================================= */

.single-course-page {
    width: 100%;
}

.single-course-content {
    padding: 3rem 0 5rem;
}


/* =========================================================
   COURSE LAYOUT
   ========================================================= */

.single-course-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 2.5rem;
    align-items: start;
}


/* =========================================================
   MAIN COURSE CONTENT
   ========================================================= */

.single-course-main {
    min-width: 0;
}


/* =========================================================
   COURSE SECTIONS
   ========================================================= */

.single-course-section {
    margin: 0 0 3.5rem;
}

.single-course-section:last-child {
    margin-bottom: 0;
}


/* =========================================================
   COURSE SIDEBAR
   ========================================================= */

.single-course-sidebar {
    min-width: 0;
}

.single-course-sidebar-inner {
    position: sticky;
    top: 6rem;
}


/* =========================================================
   ENROLLMENT AREA
   ========================================================= */

.single-course-enrollment {
    width: 100%;
}


/* =========================================================
   LINKS / FOCUS
   ========================================================= */

.single-course-page a:focus-visible {
    outline: 3px solid var(--color-secondary);
    outline-offset: 3px;
}


/* =========================================================
   RESPONSIVE HERO
   ========================================================= */

@media (max-width: 991px) {

    body.single-course .course-hero-bg {
        min-height: 480px;
        padding: 4rem 0;
    }

    body.single-course .course-hero-title {
        font-size: clamp(2rem, 6vw, 3rem);
    }

    .single-course-content {
        padding: 2.5rem 0 4rem;
    }

    .single-course-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .single-course-sidebar {
        width: 100%;
    }

    .single-course-sidebar-inner {
        position: static;
    }

    .single-course-section {
        margin-bottom: 3rem;
    }
}


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

@media (max-width: 767px) {

    body.single-course .course-hero-bg {
        min-height: 440px;
        padding: 3.5rem 0;
    }

    body.single-course .course-hero-desc {
        font-size: 1rem;
    }

    body.single-course .course-hero-meta {
        margin-bottom: 2rem;
    }

    body.single-course .course-hero-meta-box {
        width: 100%;
        justify-content: center;
    }

    .single-course-content {
        padding: 2rem 0 3rem;
    }

    .single-course-layout {
        gap: 2.5rem;
    }

    .single-course-section {
        margin-bottom: 2.5rem;
    }
}


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

@media (max-width: 575px) {

    body.single-course .course-hero-bg {
        min-height: 420px;
        padding: 3rem 0;
    }

    body.single-course .course-hero-title {
        font-size: 2rem;
    }

    body.single-course .course-hero-desc {
        margin-bottom: 1.5rem;
    }

    body.single-course .course-hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    body.single-course .course-hero-button {
        width: 100%;
    }

    .single-course-content {
        padding: 1.5rem 0 2.5rem;
    }

    .single-course-layout {
        gap: 2rem;
    }

    .single-course-section {
        margin-bottom: 2rem;
    }
}


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

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

    body.single-course .course-hero-button,
    .single-course-page *,
    .single-course-page *::before,
    .single-course-page *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}





















/* =========================================================
   COURSE SYLLABUS
   ========================================================= */

.course-syllabus {
    padding: 3rem 0;
    background: var(--color-surface);
}


/* =========================================================
   SYLLABUS HEADER
   ========================================================= */

.course-syllabus-header {
    max-width: 800px;
    margin: 0 auto 3rem;
    text-align: center;
}

.course-syllabus-title {
    margin: 0 0 1rem;
    color: var(--color-text);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    line-height: 1.2;
}

.course-syllabus-intro {
    margin: 0 auto;
    color: var(--color-text-muted);
    font-size: 1.05rem;
    line-height: 1.7;
}

.course-syllabus-divider {
    width: 60px;
    height: 4px;
    margin: 1.5rem auto 0;
    border-radius: var(--radius-pill);
    background: var(--color-secondary);
}


/* =========================================================
   SYLLABUS LIST
   ========================================================= */

.course-syllabus-list {
    max-width: 1000px;
    margin: 0 auto;
    overflow: hidden;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-surface);
}


/* =========================================================
   SYLLABUS ITEM
   ========================================================= */

.course-syllabus-item {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    padding: 1.5rem;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-surface);
    transition:
        background-color var(--transition-fast),
        transform var(--transition-fast);
}

.course-syllabus-item:last-child {
    border-bottom: 0;
}

.course-syllabus-item:hover {
    background: var(--color-background);
    transform: translateX(4px);
}


/* =========================================================
   SYLLABUS ICON
   ========================================================= */

.course-syllabus-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 50px;
    width: 50px;
    height: 50px;
    border: 1px solid var(--color-border);
    border-radius: 50%;
    background: var(--color-background);
    color: var(--color-primary);
    font-size: 1.1rem;
    transition:
        background-color var(--transition-fast),
        border-color var(--transition-fast),
        color var(--transition-fast);
}

.course-syllabus-item:hover .course-syllabus-icon {
    border-color: var(--color-primary);
    background: var(--color-primary);
    color: var(--color-white);
}

.course-syllabus-icon i {
    line-height: 1;
}


/* =========================================================
   SYLLABUS CONTENT
   ========================================================= */

.course-syllabus-content {
    min-width: 0;
    padding-top: 0.15rem;
}

.course-syllabus-item-title {
    margin: 0 0 0.35rem;
    color: var(--color-text);
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1.4;
}

.course-syllabus-item-description {
    margin: 0;
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}


/* =========================================================
   EMPTY STATE
   ========================================================= */

.course-syllabus-empty {
    margin: 0;
    padding: 3rem 1.5rem;
    color: var(--color-text-muted);
    text-align: center;
}


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

@media (max-width: 767px) {

    .course-syllabus {
        padding: 2.5rem 0;
    }

    .course-syllabus-header {
        margin-bottom: 2rem;
    }

    .course-syllabus-item {
        padding: 1.25rem;
        gap: 1rem;
    }

    .course-syllabus-icon {
        flex-basis: 42px;
        width: 42px;
        height: 42px;
        font-size: 1rem;
    }

    .course-syllabus-item-title {
        font-size: 1rem;
    }

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


@media (max-width: 575px) {

    .course-syllabus {
        padding: 2rem 0;
    }

    .course-syllabus-item {
        padding: 1rem;
    }
}















/* =========================================================
   COURSE TESTIMONIALS SLIDER (MULTI-CARD)
   ========================================================= */

.course-testimonials {
    padding: 3rem 0;
    background: var(--color-background);
}

.course-testimonials-header {
    max-width: 800px;
    margin: 0 auto 2.5rem;
    text-align: center;
}

.course-testimonials-title {
    margin: 0;
    color: var(--color-text);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    line-height: 1.2;
}

.course-testimonials-slider {
    position: relative;
    max-width: var(--site-max-width);
    margin: 0 auto;
}

/* Track Viewport Window */
.course-testimonials-viewport {
    overflow: hidden;
    width: 100%;
    padding: 0.5rem 0 1.5rem;
}

/* Sliding Track */
.course-testimonials-track {
    display: flex;
    transition: transform 0.45s cubic-bezier(0.25, 1, 0.5, 1);
    will-change: transform;
}

/* Card Item (Default Desktop: 3 Cards Visible) */
.course-testimonial-slide {
    flex: 0 0 33.333333%;
    max-width: 33.333333%;
    padding: 0 0.75rem;
    box-sizing: border-box;
}

.course-testimonial-card {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
    padding: 2rem 1.75rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.04);
    transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.course-testimonial-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

/* Card Elements */
.course-testimonial-quote-icon {
    margin-bottom: 1rem;
    color: var(--color-primary);
    font-size: 2rem;
    opacity: 0.3;
}

.course-testimonial-quote-icon i {
    line-height: 1;
}

.course-testimonial-message {
    margin: 0 0 1.5rem;
    color: var(--color-text);
    font-size: 1rem;
    font-style: italic;
    line-height: 1.6;
    flex-grow: 1;
}

.course-testimonial-student {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.course-testimonial-image {
    flex: 0 0 50px;
    width: 50px;
    height: 50px;
    border-radius: var(--radius-pill);
    object-fit: cover;
}

.course-testimonial-student-info {
    text-align: left;
}

.course-testimonial-name {
    margin: 0;
    color: var(--color-text);
    font-size: 0.95rem;
    font-weight: 700;
    line-height: 1.3;
}

.course-testimonial-city {
    margin: 0.15rem 0 0;
    color: var(--color-text-muted);
    font-size: 0.825rem;
    line-height: 1.3;
}

/* Controls & Dots Footer */
.course-testimonials-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.25rem;
    margin-top: 1rem;
}

.course-testimonials-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-pill);
    background: var(--color-surface);
    color: var(--color-primary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

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

.course-testimonials-button:focus-visible {
    outline: 2px solid var(--color-secondary);
    outline-offset: 2px;
}

/* Pagination Dots */
.course-testimonials-dots {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.course-testimonials-dot {
    width: 10px;
    height: 10px;
    padding: 0;
    border: none;
    border-radius: var(--radius-pill);
    background: var(--color-border);
    cursor: pointer;
    transition: background-color var(--transition-fast), width var(--transition-fast);
}

.course-testimonials-dot.is-active {
    width: 24px;
    background: var(--color-primary);
}

/* =========================================================
   RESPONSIVE LAYOUT
   ========================================================= */

/* Tablet: 2 Cards Visible */
@media (max-width: 991px) {
    .course-testimonial-slide {
        flex: 0 0 50%;
        max-width: 50%;
    }
}

/* Mobile: 1 Card Visible */
@media (max-width: 640px) {
    .course-testimonial-slide {
        flex: 0 0 100%;
        max-width: 100%;
    }

    .course-testimonial-card {
        padding: 1.5rem 1.25rem;
    }
}