/* ==========================================================================
   Portfolio — Carousel de Cases (Section V)
   Background #EFF4FF
   Card: 336px, gap: 24px
   ========================================================================== */

.portfolio {
    padding: var(--section-pad-lg) 0 var(--section-pad-md);
    background: #EFF4FF;
    overflow: hidden;
}

/* ===== Header ===== */

.portfolio__header {
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-areas:
        ".     nav"
        "label desc"
        "title desc";
    column-gap: var(--gap-lg);
    row-gap: clamp(6px, 0.42vw, 8px);
    align-items: start;
    margin-bottom: var(--section-pad-md);
}

/* Navegação prev/next — canto superior direito no desktop */
.portfolio__nav {
    grid-area: nav;
    align-self: start;
    justify-self: end;
    display: flex;
    gap: var(--gap-content);
    flex-shrink: 0;
}

.portfolio__nav-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--btn-size);
    height: var(--btn-size);
    border: 1px solid #1F3A5F;
    border-radius: 50%;
    color: var(--color-white);
    background: #1F3A5F;
    transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform 120ms ease-out;
    cursor: pointer;
}

.portfolio__nav-btn:active {
    transform: scale(0.9);
}

.portfolio__nav-btn.is-disabled {
    background: #FFFFFF;
    border-color: #E4E7EC;
    color: #1F3A5F;
    cursor: default;
}

.portfolio__label {
    grid-area: label;
    align-self: start;
    display: flex;
    align-items: center;
    gap: clamp(10px, 0.63vw, 12px);
    font-family: var(--font-text);
    font-weight: 400;
    font-size: var(--fs-label);
    line-height: 1.7;
    letter-spacing: -0.01em;
    color: #252B37;
}

.portfolio__line {
    display: inline-block;
    width: var(--line-width);
    height: 0;
    border-top: 1px solid var(--color-primary);
    flex-shrink: 0;
}

.portfolio__title {
    grid-area: title;
    align-self: start;
    max-width: 488px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: var(--fs-section-lg);
    line-height: 1.19;
    color: #252B37;
}

.portfolio__description {
    grid-area: desc;
    align-self: start;
    max-width: 488px;
    font-family: var(--font-text);
    font-weight: 400;
    font-size: var(--fs-body);
    line-height: 1.7;
    letter-spacing: -0.01em;
    color: #252B37;
}

/* ===== Carousel ===== */

.portfolio__carousel {
    cursor: grab;
    padding-left: max(var(--container-padding), calc((100% - var(--container-width)) / 2 + var(--container-padding)));
}

.portfolio__carousel.is-dragging {
    cursor: grabbing;
}

.portfolio__track {
    display: flex;
    align-items: center;
    gap: var(--gap-card);
    overflow-x: auto;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    padding: clamp(24px, 1.56vw, 30px) var(--gap-card) clamp(24px, 1.56vw, 30px) 0;

    scrollbar-width: none;
    -ms-overflow-style: none;
}

.portfolio__carousel.is-dragging .portfolio__track {
    scroll-behavior: auto;
}

.portfolio__track::-webkit-scrollbar {
    display: none;
}

/* ===== Cards ===== */

.portfolio__card {
    flex-shrink: 0;
    width: var(--card-portfolio-w);
    height: var(--card-portfolio-h);
    scroll-snap-align: start;
    position: relative;
}

/* Glass border — hover */
.portfolio__card::before {
    content: '';
    position: absolute;
    top: calc(-1 * var(--gap-content));
    left: calc(-1 * var(--gap-content));
    right: calc(-1 * var(--gap-content));
    bottom: calc(-1 * var(--gap-content));
    background: rgba(255, 255, 255, 0.6);
    border: 2px solid #D5D7DA;
    border-radius: 20px;
    opacity: 0;
    transition: opacity var(--transition-base);
    pointer-events: none;
}

.portfolio__card:hover::before {
    opacity: 1;
}

/* Inner */
.portfolio__card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: 8px;
    overflow: hidden;
    transition: transform var(--transition-base);
}

.portfolio__card:hover .portfolio__card-inner {
    transform: scale(1.03);
}

/* ===== Layer ===== */

.portfolio__card-layer {
    position: absolute;
    inset: 0;
}

.portfolio__card-layer--after {
    z-index: 1;
    background:
        linear-gradient(180deg, rgba(19, 23, 26, 0) 50%, rgba(19, 23, 26, 0.8) 100%),
        #3d5068;
}

/* Placeholder SVG */
.portfolio__card-placeholder {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: rgba(255, 255, 255, 0.2);
}

/* Imagens reais */
.portfolio__card-layer > img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ===== Badge ===== */

.portfolio__badge {
    position: absolute;
    top: clamp(10px, 0.63vw, 12px);
    left: 50%;
    transform: translateX(-50%);
    z-index: 5;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4px clamp(8px, 0.52vw, 10px);
    height: clamp(26px, 1.67vw, 32px);
    background: #FAFAFA;
    border: 1px solid #E9EAEB;
    border-radius: 8px;
    pointer-events: none;
}

.portfolio__badge img {
    max-height: var(--cta-icon);
    max-width: clamp(96px, 6.25vw, 120px);
    width: auto;
    height: auto;
    object-fit: contain;
}

/* ===== Conteúdo (título) ===== */

.portfolio__card-content {
    position: absolute;
    bottom: var(--gap-card);
    left: var(--gap-card);
    right: var(--gap-card);
    z-index: 5;
    display: flex;
    flex-direction: column;
    gap: clamp(6px, 0.42vw, 8px);
    pointer-events: none;
}

.portfolio__card-title {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: clamp(20px, 1.25vw, 24px);
    line-height: 1.17;
    color: var(--color-white);
}

/* ===== CTA ===== */

.portfolio__cta-wrapper {
    display: flex;
    justify-content: center;
    margin-top: var(--section-pad-md);
}

.portfolio__cta-border {
    padding: clamp(6px, 0.42vw, 8px);
    border-radius: 16px;
    border: 1px solid transparent;
    background:
        linear-gradient(#EFF4FF, #EFF4FF) padding-box,
        linear-gradient(302.1deg, rgba(21, 94, 239, 0.39) 24.57%, rgba(21, 94, 239, 0) 70.33%) border-box;
}

.portfolio__cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: clamp(10px, 0.63vw, 12px);
    padding: var(--cta-pad-y) var(--cta-pad-x);
    background: #1F3A5F;
    color: var(--color-white);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: var(--cta-font);
    line-height: 1.33;
    border-radius: 12px;
    transition: background var(--transition-fast);
    white-space: nowrap;
}

.portfolio__cta:hover {
    background: #2a4f7a;
}

.portfolio__cta svg {
    width: var(--cta-icon);
    height: var(--cta-icon);
}

/* ===== Responsivo ===== */

@media (max-width: 768px) {
    /* Header vira "contents" p/ reordenar: texto → descrição →
       carrossel → nav (abaixo do elemento) → CTA */
    .portfolio {
        display: flex;
        flex-direction: column;
    }

    .portfolio__header {
        display: contents;
    }

    .portfolio__label {
        order: 1;
        align-self: stretch;
        max-width: 100%;
        padding-left: 24px;
        padding-right: 24px;
    }

    .portfolio__title {
        order: 2;
        align-self: stretch;
        max-width: 100%;
        padding-left: 24px;
        padding-right: 24px;
    }

    .portfolio__description {
        order: 3;
        max-width: 100%;
        padding-left: 24px;
        padding-right: 24px;
        margin-top: 16px;
    }

    .portfolio__carousel {
        order: 4;
        padding-left: 24px;
        margin-top: 32px;
    }

    .portfolio__nav {
        order: 5;
        align-self: center;
        justify-content: center;
        margin-top: 24px;
    }

    .portfolio__cta-wrapper {
        order: 6;
    }

    .portfolio__track {
        gap: 12px;
    }

    .portfolio__card {
        width: calc(80vw - 16px);
        height: auto;
        aspect-ratio: 27 / 37;
    }

    .portfolio__card-content {
        bottom: 16px;
        left: 16px;
        right: 16px;
    }

    .portfolio__cta {
        padding: 16px 24px;
        white-space: normal;
        text-align: center;
    }
}