.portfolio {
    position: relative;
    width: 100%;
    min-height: 100vh;
    background: #ffffff;
    padding: clamp(3rem, 8vh, 5rem) 0 clamp(4rem, 10vh, 6rem);
    display: flex;
    align-items: center;
}

.portfolio-container {
    max-width: 520px;
    width: 90%;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: clamp(1.5rem, 4vh, 2rem);
}

.portfolio-title {
    font-size: clamp(2rem, 8vw, 3.5rem);
    font-weight: 900;
    color: #1a1a1a;
    text-align: center;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.portfolio-title-underline {
    width: clamp(180px, 50%, 270px);
    height: 5px;
    background-color: var(--primary-yellow);
    border-radius: 3px;
    margin-top: -0.5rem;
}

.portfolio-carousel-wrapper {
    width: 100%;
    margin-top: clamp(2rem, 5vh, 3rem);
    display: flex;
    flex-direction: column;
    gap: clamp(2rem, 4vh, 2.5rem);
}

.portfolio-carousel {
    width: 100%;
    overflow: hidden;
    position: relative;
}

.portfolio-track {
    display: flex;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    touch-action: pan-y pinch-zoom;
}

.portfolio-slide {
    min-width: 100%;
    display: flex;
    flex-direction: column;
    gap: clamp(1rem, 3vh, 1.5rem);
    opacity: 0.5;
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-slide.active {
    opacity: 1;
}

.portfolio-image-box {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: #f0f0f0;
    border-radius: clamp(12px, 3vw, 20px);
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1),
                0 2px 8px rgba(0, 0, 0, 0.06);
    position: relative;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.portfolio-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-slide.active .portfolio-img {
    transform: scale(1);
}

.portfolio-slide:not(.active) .portfolio-img {
    transform: scale(0.98);
}

.portfolio-image-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(0,0,0,0.03) 100%);
    pointer-events: none;
    z-index: 1;
}

.portfolio-figure {
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: clamp(0.6rem, 2vw, 0.85rem);
    width: 100%;
    min-width: 0;
}

/* Setas de navegação (somente desktop) */
.portfolio-arrow {
    display: none;
}

.portfolio-bullets {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: clamp(10px, 3vw, 14px);
}

.portfolio-bullets .bullet {
    width: clamp(10px, 2.5vw, 12px);
    height: clamp(10px, 2.5vw, 12px);
    border-radius: 50%;
    background-color: #c4c4c4;
    border: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 0;
}

.portfolio-bullets .bullet:hover {
    background-color: #999999;
    transform: scale(1.15);
}

.portfolio-bullets .bullet.active {
    background-color: var(--primary-yellow);
    width: clamp(30px, 8vw, 40px);
    border-radius: clamp(6px, 1.5vw, 8px);
}

/* Tablets */
@media (min-width: 768px) {
    .portfolio-container {
        max-width: 680px;
    }

    .portfolio-title {
        font-size: clamp(2.5rem, 6vw, 4rem);
    }

    .portfolio-slide {
        gap: 1.5rem;
    }

    .portfolio-image-box {
        aspect-ratio: 16 / 9;
    }
}

/* Desktop: mantém o carrossel, mas as 2 imagens ficam lado a lado + setas */
@media (min-width: 1024px) {
    .portfolio {
        min-height: auto;
        padding: 6rem 0;
    }

    .portfolio-container {
        max-width: var(--content-max);
    }

    .portfolio-title {
        font-size: clamp(2.5rem, 3.2vw, 3rem);
    }

    .portfolio-slide {
        flex-direction: row;
        gap: 2rem;
        align-items: flex-start;
    }

    .portfolio-figure {
        flex: 1 1 0;
    }

    .portfolio-image-box {
        aspect-ratio: 4 / 3;
    }

    .portfolio-image-box:hover .portfolio-img {
        transform: scale(1.03);
    }

    .portfolio-arrow {
        display: flex;
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        z-index: 5;
        width: 48px;
        height: 48px;
        align-items: center;
        justify-content: center;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.92);
        box-shadow: 0 6px 18px rgba(0, 0, 0, 0.18);
        color: #1a1a1a;
        cursor: pointer;
        transition: background-color 0.2s ease, transform 0.2s ease;
    }

    .portfolio-arrow svg {
        width: 16px;
        height: 16px;
    }

    .portfolio-prev {
        left: 10px;
    }

    .portfolio-next {
        right: 10px;
    }

    .portfolio-arrow:hover {
        background: #ffffff;
        transform: translateY(-50%) scale(1.08);
    }
}

/* Landscape mobile */
@media (max-height: 600px) and (orientation: landscape) {
    .portfolio {
        min-height: auto;
        padding: 2rem 0 3rem;
    }

    .portfolio-slide {
        gap: 0.8rem;
    }

    .portfolio-image-box {
        aspect-ratio: 16 / 9;
    }
}