/* components/our-courses.css — "Our Courses" bento-grid section.
 * Asymmetric 3-column layout: two tall image cards left/centre, four smaller
 * image cards (70% black overlay) right + bottom row.
 */

/* ── Section ─────────────────────────────────────────────────────────────── */
.our-courses {
    padding-block: clamp(4rem, 8vw, 5.5rem);
    background-color: var(--color-bg-section);
}

/* ── Section header ──────────────────────────────────────────────────────── */
.our-courses__header {
    text-align: center;
    max-width: 728px;
    margin-inline: auto;
    padding-inline: var(--space-6);
    margin-bottom: clamp(3rem, 5vw, 4.5rem);
}

.our-courses__eyebrow {
    margin: 0 0 var(--space-3) 0;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-primary);
}

.our-courses__title {
    margin: 0 0 var(--space-4) 0;
    font-size: clamp(2.6rem, 4.5vw, 3.9rem);
    font-weight: 800;
    color: var(--color-dark);
    letter-spacing: -0.02em;
    line-height: 1.15;
}

.our-courses__intro {
    margin: 0;
    font-size: 1.1875rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* ── Bento grid ──────────────────────────────────────────────────────────── */
.our-courses__grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr 1fr;
    grid-template-rows: 1fr 1fr auto;
    gap: 1.75rem;
    max-width: 1400px;
    margin-inline: auto;
    padding-inline: clamp(var(--space-6), 4vw, var(--space-16));
}

/* ── Card placement ──────────────────────────────────────────────────────── */
.course-card--beginner       { grid-column: 1;     grid-row: 1 / 3; }
.course-card--conversational { grid-column: 2;     grid-row: 1 / 3; }
.course-card--grammar        { grid-column: 3;     grid-row: 1; }
.course-card--travel         { grid-column: 3;     grid-row: 2; }
.course-card--intermediate   { grid-column: 1;     grid-row: 3; }
.course-card--complete       { grid-column: 2 / 4; grid-row: 3; }

/* ── Base card ───────────────────────────────────────────────────────────── */
.course-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
}

/* ── Image cards ─────────────────────────────────────────────────────────── */
.course-card--image {
    position: relative;
    min-height: 588px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
}

.course-card__image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Dark gradient overlay so text is always legible over any image */
.course-card--image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.55) 0%, transparent 55%);
    pointer-events: none;
}

/* Beginner / Conversational: flat 50% black overlay instead of the gradient */
.course-card--beginner::after,
.course-card--conversational::after {
    background: rgba(0, 0, 0, 0.5);
}

.course-card__overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2.8rem;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.course-card--image .course-card__title {
    margin: 0;
    font-size: 2.1rem;
    font-weight: 700;
    line-height: 1.25;
    color: var(--color-white);
}

.course-card--image .course-card__desc {
    margin: 0;
    font-size: 1.375rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.85);
}

/* ── Small image cards (grammar, travel, intermediate, complete) ───────────
 * Same image-card structure as the tall cards, but with a flat 70% black
 * overlay (instead of the gradient) so text stays legible at a smaller size. */
.course-card--small {
    min-height: 280px;
}

.course-card--small::after {
    background: rgba(0, 0, 0, 0.5);
}

.course-card--small .course-card__overlay {
    padding: 2rem;
}

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

/* ── CTA below the grid ──────────────────────────────────────────────────── */
.our-courses__cta-wrap {
    text-align: center;
    margin-top: clamp(2.5rem, 5vw, 4rem);
    padding-inline: var(--space-6);
}

.our-courses__cta {
    display: inline-block;
    padding: 14px 36px;
    border-radius: var(--radius-pill);
    background-color: var(--color-cta-primary-bg);
    color: var(--color-cta-primary-text);
    font-size: 1rem;
    font-weight: 700;
    text-decoration: none;
    border: 2px solid var(--color-cta-primary-bg);
    transition: background-color 0.18s, border-color 0.18s;
}

.our-courses__cta:hover {
    background-color: var(--color-cta-primary-hover-bg);
    border-color: var(--color-cta-primary-hover-bg);
    color: var(--color-cta-primary-text);
}

/* ── Responsive: 2 columns below 900px ──────────────────────────────────── */
@media (max-width: 900px) {
    .our-courses__grid {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto;
    }

    .course-card--beginner       { grid-column: 1; grid-row: auto; }
    .course-card--conversational { grid-column: 2; grid-row: auto; }
    .course-card--grammar        { grid-column: 1; grid-row: auto; }
    .course-card--travel         { grid-column: 2; grid-row: auto; }
    .course-card--intermediate   { grid-column: 1; grid-row: auto; }
    .course-card--complete       { grid-column: 1 / 3; grid-row: auto; }

    .course-card--image {
        min-height: 448px;
    }

    .course-card--small {
        min-height: 240px;
    }

    .course-card__overlay {
        padding: 1.75rem;
    }

    .course-card--image .course-card__title {
        font-size: 1.6rem;
    }

    .course-card--image .course-card__desc {
        font-size: 1.125rem;
    }

    .course-card--small .course-card__title {
        font-size: 1.375rem;
    }

    .course-card--small .course-card__overlay {
        padding: 1.25rem;
    }
}

/* ── Responsive: single column below 560px ───────────────────────────────── */
@media (max-width: 560px) {
    .our-courses__grid {
        grid-template-columns: 1fr;
    }

    .course-card--beginner,
    .course-card--conversational,
    .course-card--grammar,
    .course-card--travel,
    .course-card--intermediate,
    .course-card--complete {
        grid-column: 1;
        grid-row: auto;
    }

    .course-card--image {
        min-height: 364px;
    }

    .course-card--small {
        min-height: 220px;
    }

    .course-card__overlay {
        padding: 1.25rem;
    }

    .course-card--image .course-card__title {
        font-size: 1.375rem;
    }

    .course-card--image .course-card__desc {
        font-size: 1rem;
    }

    .course-card--small .course-card__title {
        font-size: 1.25rem;
    }

    .course-card--small .course-card__desc {
        font-size: 0.9375rem;
    }
}