/* ==========================================================================
   Kurs 08 — Jak przebiegają zajęcia
   ========================================================================== */

.kurs-zajecia-section {
    background-color: var(--kurs-surface-base);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 3.2rem 1.6rem;
    font-family: 'Poppins', sans-serif;
}

.kurs-zajecia-container {
    display: grid;
    grid-template-columns: 2fr 3fr;
    grid-template-rows: auto auto;
    align-items: start;
    gap: 3.2rem;
    max-width: 128rem;
    width: 100%;
}

/* ------------------------------------------------------------------
   Lewa kolumna — nagłówek + treść
   ------------------------------------------------------------------ */

.kurs-zajecia-left {
    grid-column: 1;
    grid-row: 1;
    min-width: 25.6rem;
    display: flex;
    flex-direction: column;
    gap: 3.2rem;
}

.kurs-zajecia-header {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.kurs-zajecia-eyebrow {
    font-size: 1.6rem;
    font-weight: 500;
    line-height: 1.2;
    color: var(--kurs-accent, #626573);
    margin: 0;
}

.kurs-zajecia-title {
    font-size: clamp(2.8rem, 2.4rem + 1.25vw, 4rem) !important;
    font-weight: 600 !important;
    line-height: 1.2 !important;
    letter-spacing: -0.056rem !important;
    color: #1f1f1f !important;
    margin: 0 !important;
}

.kurs-zajecia-body {
    font-size: 1.6rem;
    font-weight: 400;
    line-height: 1.5;
    color: #374151;
}

.kurs-zajecia-body p {
    margin: 0 0 1.3rem;
}

.kurs-zajecia-body p:last-child {
    margin-bottom: 0;
}

/* Karta bazowa */
.kurs-zajecia-card {
    border-radius: 2.0rem;
    overflow: hidden;
}

/* ------------------------------------------------------------------
   Karta 1 — Tekst + Zdjęcie (wiersz 1, kolumna 2)
   ------------------------------------------------------------------ */

.kurs-zajecia-card--photo {
    grid-column: 2;
    grid-row: 1;
    background-color: var(--kurs-surface-light, #f9fafc);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3.2rem;
    align-items: start;
}

.kurs-zajecia-card-content {
    display: flex;
    flex-direction: column;
    gap: 1.6rem;
    padding: 1.6rem;
}

.kurs-zajecia-card-title {
    font-size: 2.0rem;
    font-weight: 700;
    line-height: 1.4;
    letter-spacing: -0.02rem;
    color: #050709;
    margin: 0;
}

.kurs-zajecia-card-body {
    font-size: 1.6rem;
    font-weight: 400;
    line-height: 1.5;
    color: #374151;
}

.kurs-zajecia-card-body p {
    margin: 0 0 1.3rem;
}

.kurs-zajecia-card-body p:last-child {
    margin-bottom: 0;
}

.kurs-zajecia-card-image-wrap {
    min-height: 23.1rem;
    border-radius: 2.0rem;
    overflow: hidden;
}

.kurs-zajecia-card-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ------------------------------------------------------------------
   Dolny rząd — 2 karty obok siebie (wiersz 2, kolumna 2)
   ------------------------------------------------------------------ */

.kurs-zajecia-bottom-row {
    grid-column: 2;
    grid-row: 2;
    display: grid;
    grid-template-columns: 40.5fr 22fr;
    gap: 3.2rem;
    align-items: start;
}

/* ------------------------------------------------------------------
   Karta 2 — Ciemna (materiały dydaktyczne)
   ------------------------------------------------------------------ */

.kurs-zajecia-card--dark {
    background-color: var(--kurs-surface-inverse, #0a0e14);
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    padding: 1.6rem;
}

.kurs-zajecia-card-dark-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.8rem;
}

.kurs-zajecia-card-dark-title {
    flex: 1 0 0;
    font-size: 2.0rem;
    font-weight: 700;
    line-height: 1.4;
    letter-spacing: -0.02rem;
    color: #ffffff;
    margin: 0;
}

.kurs-zajecia-card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    padding-left: 0.8rem;
}

.kurs-zajecia-card-dark-body {
    font-size: 1.6rem;
    font-weight: 400;
    line-height: 1.5;
    color: var(--kurs-text-secondary-inverse, #cbd5e1);
    margin: 0;
}

/* ------------------------------------------------------------------
   Karta 3 — Video thumbnail
   ------------------------------------------------------------------ */

.kurs-zajecia-card--video {
    background-color: var(--kurs-surface-dim, #f2f4fa);
    display: flex;
    flex-direction: column;
}

.kurs-zajecia-card-video-thumb {
    position: relative;
    aspect-ratio: 351 / 200;
    width: 100%;
    flex-shrink: 0;
    overflow: hidden;
    border-radius: 2.0rem;
}

.kurs-zajecia-card-video-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 2.0rem;
}

.kurs-zajecia-card-video-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(10, 14, 20, 0.2);
    border-radius: 2.0rem;
}

.kurs-zajecia-card-video-play {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

.kurs-zajecia-card-video-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.6rem;
}

.kurs-zajecia-card-video-link {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 1.6rem;
    font-weight: 500;
    line-height: 1.2;
    color: #374151;
    text-decoration: none;
    white-space: nowrap;
}

.kurs-zajecia-card-video-link:hover {
    color: var(--kurs-accent, #626573);
}

/* ------------------------------------------------------------------
   Wyrównanie nagłówka (kurs-align-*)
   ------------------------------------------------------------------ */

.kurs-align-center {
    align-items: center;
    text-align: center;
}

.kurs-align-left {
    align-items: flex-start;
    text-align: left;
}

/* ------------------------------------------------------------------
   Responsive
   ------------------------------------------------------------------ */

@media (max-width: 1280px) {
    .kurs-zajecia-section {
        padding: 4.8rem 4.8rem;
    }
}

@media (max-width: 1024px) {
    .kurs-zajecia-section {
        padding: 4.0rem 3.2rem;
    }

    .kurs-zajecia-left {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .kurs-zajecia-section {
        padding: 3.2rem 1.6rem;
    }

    .kurs-zajecia-container {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
    }

    .kurs-zajecia-left {
        grid-column: 1;
        grid-row: 1;
        width: 100%;
    }

    .kurs-zajecia-card--photo {
        grid-column: 1;
        grid-row: 2;
        grid-template-columns: 1fr;
    }

    .kurs-zajecia-bottom-row {
        grid-column: 1;
        grid-row: 3;
        grid-template-columns: 1fr;
    }

    .kurs-zajecia-card-image-wrap {
        aspect-ratio: 16 / 9;
    }
}

@media (max-width: 480px) {

    .kurs-zajecia-card-title,
    .kurs-zajecia-card-dark-title {
        font-size: 1.8rem;
    }

    .kurs-zajecia-bottom-row {
        flex-direction: column;
    }
}

/* ==========================================================================
   YouTube Overlay
   ========================================================================== */

.kurs-zajecia-card-video-thumb[data-youtube-url] {
    cursor: pointer;
}

.kurs-zajecia-card-video-thumb[data-youtube-url]:hover .kurs-zajecia-card-video-play svg {
    transform: scale(1.12);
}

.kurs-zajecia-card-video-play svg {
    transition: transform 0.2s ease;
}

/* Overlay backdrop */
.kurs08-yt-overlay {
    position: fixed;
    inset: 0;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.25s ease;
    pointer-events: none;
    padding: 2rem;
    box-sizing: border-box;
}

.kurs08-yt-overlay--visible {
    opacity: 1;
    pointer-events: all;
}

.kurs08-yt-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(5, 7, 9, 0.88);
    backdrop-filter: blur(0.4rem);
}

/* Dialog — normalny film 16:9 */
.kurs08-yt-dialog {
    position: relative;
    z-index: 1;
    width: min(90vw, calc(80vh * 16 / 9));
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

/* Dialog — Shorts 9:16 */
.kurs08-yt-dialog--shorts {
    width: min(56vw, calc(85vh * 9 / 16));
}

@media (max-width: 600px) {
    .kurs08-yt-dialog--shorts {
        width: min(86vw, calc(85vh * 9 / 16));
    }
}

/* Przycisk zamknięcia */
.kurs08-yt-close {
    align-self: flex-end;
    background: rgba(255, 255, 255, 0.12);
    border: none;
    border-radius: 50%;
    width: 4rem;
    height: 4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    padding: 0;
    transition: background 0.2s;
    flex-shrink: 0;
}

.kurs08-yt-close:hover {
    background: rgba(255, 255, 255, 0.25);
}

/* Iframe container */
.kurs08-yt-iframe-wrap {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: 1.2rem;
    overflow: hidden;
    background: #000;
    box-shadow: 0 2.4rem 6.4rem rgba(0, 0, 0, 0.6);
}

.kurs08-yt-dialog--shorts .kurs08-yt-iframe-wrap {
    aspect-ratio: 9 / 16;
}

.kurs08-yt-iframe-wrap iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: none;
    display: block;
}