/* ============================================================
   COURSE DETAILS PAGE — Rich & Beautiful Styles
   assets/css/pages/course-details.css
   ============================================================ */

/* ── Two-Column Layout ── */
.cd-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 48px;
    align-items: start;
}

@media (max-width: 960px) {
    .cd-layout {
        grid-template-columns: 1fr;
        gap: 36px;
    }
}

/* ── Section Headings ── */
.cd-section-title {
    font-family: 'Calistoga', Georgia, serif;
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--mm-fg, #0f172a);
    letter-spacing: -0.01em;
    margin: 40px 0 20px;
}

.cd-section-title:first-child {
    margin-top: 0;
}

.cd-overview-text {
    font-size: 0.95rem;
    color: var(--mm-muted-fg, #64748b);
    line-height: 1.8;
    margin-bottom: 0;
}

/* ── Module Accordion Cards ── */
.cd-module {
    background: var(--mm-card, #ffffff);
    border: 1px solid var(--mm-border, #e2e8f0);
    border-radius: 16px;
    margin-bottom: 16px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    transition: all 0.3s ease;
}

.cd-module:hover {
    box-shadow: 0 8px 24px rgba(0, 82, 255, 0.08);
    border-color: rgba(0, 82, 255, 0.2);
}

.cd-module__header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 22px;
    background: var(--mm-card, #ffffff);
}

.cd-module__num {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: linear-gradient(135deg, #0052ff, #4d7cff);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    font-weight: 600;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(0, 82, 255, 0.25);
}

.cd-module__info {
    flex: 1;
}

.cd-module__title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--mm-fg, #0f172a);
    margin-bottom: 3px;
}

.cd-module__desc {
    font-size: 0.85rem;
    color: var(--mm-muted-fg, #64748b);
}

.cd-module__topics {
    border-top: 1px solid var(--mm-border, #e2e8f0);
    padding: 16px 22px 18px 76px;
    background: rgba(248, 250, 252, 0.6);
}

@media (max-width: 576px) {
    .cd-module__header {
        padding: 14px 16px;
        gap: 12px;
    }
    .cd-module__num {
        width: 32px;
        height: 32px;
        font-size: 11px;
        border-radius: 8px;
    }
    .cd-module__topics {
        padding: 12px 16px 14px 16px;
    }
}

/* ── Topics List ── */
.cd-topic {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
    font-size: 0.9rem;
    color: var(--mm-muted-fg, #64748b);
    border-bottom: 1px solid rgba(226, 232, 240, 0.6);
}

.cd-topic:last-child {
    border-bottom: none;
}

.cd-topic__icon {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: rgba(0, 82, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--mm-accent, #0052ff);
    font-size: 10px;
    flex-shrink: 0;
}

/* ── Similar Courses Grid ── */
.cd-similar-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
    margin-top: 32px;
}

.cd-similar-card {
    background: var(--mm-card, #ffffff);
    border: 1px solid var(--mm-border, #e2e8f0);
    border-radius: 16px;
    padding: 24px 22px 20px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
}

.cd-similar-card:hover {
    box-shadow: 0 14px 30px rgba(0, 82, 255, 0.12);
    transform: translateY(-4px);
    border-color: rgba(0, 82, 255, 0.25);
}

.cd-similar-card__icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: linear-gradient(135deg, #0052ff, #4d7cff);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 20px;
    box-shadow: 0 4px 14px rgba(0, 82, 255, 0.25);
    margin-bottom: 16px;
}

.cd-similar-card__title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--mm-fg, #0f172a);
    margin-bottom: 6px;
}

.cd-similar-card__desc {
    font-size: 0.85rem;
    color: var(--mm-muted-fg, #64748b);
    line-height: 1.6;
    flex: 1;
    margin-bottom: 16px;
}

.cd-similar-card__meta {
    display: flex;
    gap: 14px;
    font-size: 0.8rem;
    color: var(--mm-muted-fg, #64748b);
    margin-bottom: 14px;
}

.cd-similar-card__meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.cd-similar-card__price {
    font-weight: 700;
    color: var(--mm-accent, #0052ff);
}

/* ── Hero Image & Text Layout ── */
.cd-hero-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 44px;
}

.cd-hero-text {
    flex: 1;
}

.cd-hero-image-container {
    flex-shrink: 0;
}

.cd-hero-image {
    height: 230px;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    border-radius: 16px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
    display: block;
}

@media (max-width: 768px) {
    .cd-hero-inner {
        flex-direction: column-reverse;
        align-items: stretch;
        gap: 24px;
    }
    .cd-hero-image {
        width: 100%;
        height: auto;
        max-height: 220px;
    }
}

/* ── Enrollment Modal Animation ── */
#enrollmentModal {
    backdrop-filter: blur(10px);
    transition: all 0.35s ease;
}

#enrollmentModal .cta-modal-content {
    animation: slideInModal 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

@keyframes slideInModal {
    from {
        transform: scale(0.94) translateY(24px);
        opacity: 0;
    }
    to {
        transform: scale(1) translateY(0);
        opacity: 1;
    }
}