/* Collections section — mobile-first, BEM */

.collections {
    --collections-bg: #ffffff;
    --collections-text: #0a0a0a;
    --collections-text-muted: #737373;
    --collections-panel: #f5f5f5;
    --collections-panel-border: #ececec;

    background-color: var(--collections-bg);
    color: var(--collections-text);
    padding: 4rem var(--container-padding);
}

.collections__inner {
    max-width: var(--container-max);
    margin-inline: auto;
    display: flex;
    flex-direction: column;
    gap: 3.5rem;
}

.collections__header {
    text-align: center;
}

.collections__title {
    margin: 0;
    font-family: var(--font-family);
    font-size: 2rem;
    font-weight: 600;
    line-height: 1.15;
    letter-spacing: -0.03125rem;
    color: var(--collections-text);
}

.collections__slider {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.collections__viewport {
    width: 100%;
    overflow: hidden;
}

.collections__track {
    position: relative;
    width: 100%;
}

.collections__slide {
    display: none;
    grid-template-columns: 1fr;
    gap: 1.75rem;
    align-items: start;
}

.collections__slide.is-active {
    display: grid;
}

.collections__copy {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.collections__product-name {
    margin: 0;
    font-family: var(--font-family);
    font-size: 1.75rem;
    font-weight: 600;
    line-height: 1.15;
    letter-spacing: -0.03125rem;
    color: var(--collections-text);
}

.collections__product-accent {
    color: var(--color-primary);
}

.collections__description {
    margin: 0;
    max-width: 28rem;
    font-size: 0.9375rem;
    font-weight: 400;
    line-height: 1.65;
    color: var(--collections-text-muted);
}

.collections__specs {
    display: grid;
    gap: 0.875rem;
    margin: 0.5rem 0 0;
    padding: 1.25rem;
    border: 1px solid var(--collections-panel-border);
    border-radius: 0.75rem;
    background-color: var(--collections-panel);
}

.collections__spec {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
    gap: 0.75rem;
    align-items: baseline;
}

.collections__spec-label {
    margin: 0;
    font-size: 0.75rem;
    font-weight: 500;
    line-height: 1.4;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--collections-text-muted);
}

.collections__spec-value {
    margin: 0;
    font-size: 0.9375rem;
    font-weight: 600;
    line-height: 1.4;
    color: var(--collections-text);
    text-align: right;
}

.collections__media {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 18rem;
}

.collections__image {
    width: auto;
    max-width: min(100%, 16rem);
    max-height: 24rem;
    object-fit: contain;
}

.collections__features {
    display: grid;
    gap: 1rem;
    padding: 1.25rem 1.25rem 1.375rem;
    border: 1px solid var(--collections-panel-border);
    border-radius: 0.75rem;
    background-color: var(--collections-panel);
}

.collections__features-title {
    margin: 0;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid #e5e5e5;
    font-family: var(--font-family);
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-primary);
}

.collections__features-list {
    display: grid;
    gap: 0.75rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.collections__feature {
    position: relative;
    padding-left: 1.125rem;
    font-size: 0.9375rem;
    font-weight: 400;
    line-height: 1.45;
    color: var(--collections-text);
}

.collections__feature::before {
    content: '';
    position: absolute;
    top: 0.45rem;
    left: 0;
    width: 0.375rem;
    height: 0.375rem;
    border-radius: 50%;
    background-color: var(--color-primary);
}

.collections__brochure {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    align-self: start;
    margin-top: 0.5rem;
    min-height: 2.75rem;
    padding: 0.625rem 1.5rem;
    border: 1px solid var(--color-primary);
    border-radius: 3.125rem;
    font-size: 0.9375rem;
    font-weight: 500;
    line-height: 1.4;
    color: #ffffff;
    background-color: var(--color-primary);
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.collections__brochure:hover,
.collections__brochure:focus-visible {
    background-color: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
}

.collections__brochure:focus-visible {
    outline: 2px solid var(--collections-text);
    outline-offset: 2px;
}

.collections__nav {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    padding: 0;
    border: 0;
    border-radius: 50%;
    color: #ffffff;
    background-color: var(--color-primary);
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.collections__nav:hover,
.collections__nav:focus-visible {
    background-color: var(--color-primary-hover);
}

.collections__nav:focus-visible {
    outline: 2px solid var(--collections-text);
    outline-offset: 2px;
}

.collections__nav svg {
    width: 1.125rem;
    height: 1.125rem;
}

.collections__dots {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.collections__dot {
    width: 0.5rem;
    height: 0.5rem;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background-color: #d4d4d4;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.collections__dot.is-active {
    background-color: var(--color-primary);
    transform: scale(1.15);
}

.collections__dot:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

@media (max-width: 47.99rem) {
    .collections__slide.is-active {
        grid-template-areas:
            "media"
            "copy"
            "features";
    }

    .collections__copy {
        grid-area: copy;
    }

    .collections__media {
        grid-area: media;
    }

    .collections__features {
        grid-area: features;
    }

    .collections__slider {
        display: grid;
        grid-template-columns: 1fr auto auto;
        grid-template-areas:
            ". prev next"
            "viewport viewport viewport"
            "dots dots dots";
        gap: 1rem 0.5rem;
        align-items: center;
    }

    .collections__viewport {
        grid-area: viewport;
    }

    .collections__nav {
        width: 2.25rem;
        height: 2.25rem;
    }

    .collections__nav--prev {
        grid-area: prev;
        justify-self: end;
    }

    .collections__nav--next {
        grid-area: next;
        justify-self: end;
    }

    .collections__dots {
        grid-area: dots;
        justify-self: center;
    }
}

/* Tablet */
@media (min-width: 48rem) {
    .collections {
        padding: 5rem var(--container-padding);
    }

    .collections__inner {
        gap: 4.5rem;
    }

    .collections__title {
        font-size: 2.5rem;
    }

    .collections__slide.is-active {
        grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr);
        gap: 2rem 2rem;
        align-items: center;
    }

    .collections__copy {
        grid-column: 1;
        grid-row: 1;
    }

    .collections__media {
        grid-column: 2;
        grid-row: 1 / span 2;
        min-height: 22rem;
    }

    .collections__features {
        grid-column: 1;
        grid-row: 2;
    }

    .collections__product-name {
        font-size: 2rem;
    }

    .collections__image {
        max-width: min(100%, 18rem);
        max-height: 26rem;
    }

    .collections__slider {
        display: block;
        padding-inline: 5rem;
    }

    .collections__nav {
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        z-index: 2;
    }

    .collections__nav--prev {
        left: 0;
    }

    .collections__nav--next {
        right: 0;
    }

    .collections__nav:hover,
    .collections__nav:focus-visible {
        transform: translateY(-50%);
    }

    .collections__dots {
        margin-top: 2rem;
    }
}

/* Desktop */
@media (min-width: 64rem) {
    .collections {
        padding: 6.25rem var(--container-padding);
    }

    .collections__title {
        font-size: 3rem;
        letter-spacing: -0.05rem;
    }

    .collections__inner {
        gap: 5rem;
    }

    .collections__slide.is-active {
        grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.9fr) minmax(0, 0.95fr);
        gap: 2.5rem 2.75rem;
        align-items: center;
    }

    .collections__copy {
        grid-column: 1;
        grid-row: 1;
        gap: 1.25rem;
    }

    .collections__media {
        grid-column: 2;
        grid-row: 1;
        min-height: 28rem;
    }

    .collections__features {
        grid-column: 3;
        grid-row: 1;
        align-self: center;
        padding: 1.5rem 1.5rem 1.625rem;
    }

    .collections__product-name {
        font-size: 2.5rem;
        letter-spacing: -0.05rem;
    }

    .collections__description {
        font-size: 1rem;
    }

    .collections__specs {
        padding: 1.5rem;
        gap: 1rem;
    }

    .collections__image {
        max-width: min(100%, 20rem);
        max-height: 30rem;
    }

    .collections__slider {
        padding-inline: 6rem;
    }

    .collections__nav {
        width: 2.75rem;
        height: 2.75rem;
    }

    .collections__features-list {
        gap: 0.875rem;
    }
}