.mkt-section {
    background: #fff;
    padding: 50px 0 70px;
    font-family: 'Raleway', 'Rawline', Arial, sans-serif;
}

.mkt-shell {
    width: 100%;
    max-width: 1428px;
    margin: 0 auto;
    padding: 0 24px;
    box-sizing: border-box;
}

.mkt-title {
    margin: 0 0 40px;
    font-size: clamp(1.6rem, 2.4vw, 2.5rem);
    font-weight: 700;
    line-height: 1.1;
    color: #2c4073;
}

.mkt-wrap {
    width: calc(100% - 80px);
    max-width: 1585px;
    margin: 0 auto;
}

.mkt-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 15px;
}

.mkt-item {
    position: relative;
    display: block;
    aspect-ratio: 2397 / 1037; /* proporcao real dos banners (r_*.png), sem corte */
    border-radius: 10px;
    transition: transform 200ms ease;
}

    .mkt-item:hover {
        transform: translateY(-2px);
    }

.mkt-media {
    display: block;
    width: 100%;
    height: 100%;
    overflow: hidden;
    border-radius: 10px;
    background: linear-gradient(135deg, #eef2fb, #dfe7f6);
    transition: box-shadow 200ms ease;
}

.mkt-item:hover .mkt-media {
    box-shadow: 0 6px 16px rgba(16, 38, 78, 0.15);
}

/* seta suave dentro do banner, no canto inferior direito: indica que e clicavel */
.mkt-arrow {
    position: absolute;
    right: 12px;
    bottom: 12px;
    z-index: 2;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #2c4073;
    background: rgba(255, 255, 255, 0.6);
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(16, 38, 78, 0.16);
    transition: transform 220ms ease, background 220ms ease, color 220ms ease;
}

    .mkt-arrow svg {
        width: 14px;
        height: 14px;
        fill: none;
        stroke: currentColor;
        stroke-width: 2.4;
        stroke-linecap: round;
        stroke-linejoin: round;
    }

.mkt-item:hover .mkt-arrow {
    color: #fff;
    background: #3a4a9f;
    transform: translateX(3px);
}

.mkt-item img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.mkt-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    font-size: 1rem;
    font-weight: 600;
    color: #7d8bb0;
}

.mkt-dots {
    display: none;
}

/* tablet */
@media (max-width: 991px) {
    .mkt-section {
        padding: 36px 0 50px;
    }

    .mkt-title {
        margin-bottom: 24px;
    }

    .mkt-wrap {
        width: calc(100% - 40px);
    }

    .mkt-grid {
        gap: 10px;
    }

    .mkt-item,
    .mkt-media {
        border-radius: 8px;
    }

    .mkt-arrow {
        width: 28px;
        height: 28px;
        right: 10px;
        bottom: 10px;
    }

        .mkt-arrow svg {
            width: 12px;
            height: 12px;
        }
}

/* mobile: slider */
@media (max-width: 767px) {
    .mkt-section {
        padding: 28px 0 36px;
    }

    .mkt-shell {
        padding: 0 16px;
    }

    .mkt-title {
        margin-bottom: 16px;
    }

    .mkt-wrap {
        width: 100%;
    }

    .mkt-grid {
        display: flex;
        gap: 12px;
        overflow-x: auto;
        padding: 0 16px;
        scroll-snap-type: x mandatory;
        scroll-padding: 0 16px;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

        .mkt-grid::-webkit-scrollbar {
            display: none;
        }

    .mkt-item {
        flex: 0 0 86%;
        scroll-snap-align: start;
    }

    .mkt-arrow {
        right: 8px;
        bottom: 8px;
    }

    .mkt-dots {
        display: flex;
        justify-content: center;
        gap: 8px;
        margin-top: 16px;
    }

        .mkt-dots button {
            width: 24px;
            height: 5px;
            padding: 0;
            border: 0;
            border-radius: 3px;
            background: #cfd6e8;
            cursor: pointer;
        }

            .mkt-dots button.active {
                background: #3a4a9f;
            }
}