/* =========================
   CATALOG BACKGROUND WRAPPER
   ========================= */

.catalog-bg {
    padding: 20px 20px;
    background: linear-gradient(
            90deg,
            #F7F2EE 0%,
            #F2E2D5 100%
    );
}

/* =========================
   SLIDER WRAPPER
   ========================= */

.catalog-slider {
    position: relative;
    width: 100%;
    max-width: 80%;
    margin: 0 auto;
    overflow: hidden;
    border-radius: 16px;
    background: transparent;

    /* dùng cho blur background */
    --bg-image: none;
}

/* BLUR BACKGROUND INSIDE SLIDER */
.catalog-slider::before {
    content: "";
    position: absolute;
    inset: -40px;

    background-image:
            linear-gradient(
                    90deg,
                    rgba(0,0,0,0.35),
                    rgba(0,0,0,0.05),
                    rgba(0,0,0,0.35)
            ),
            var(--bg-image);

    background-size: cover;
    background-position: center;
    filter: blur(28px) brightness(0.9);
    transform: scale(1.15);
    z-index: 0;
}

/* =========================
   SLIDER TRACK & SLIDES
   ========================= */

.slider-track {
    position: relative;
    z-index: 1;
    display: flex;
    transition: transform 0.6s ease;
}

.slide {
    min-width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px 0;
}

.slide img {
    max-width: 90%;
    max-height: 600px;
    object-fit: contain;
    border-radius: 12px;
    background: #ffffff;
    box-shadow: 0 20px 50px rgba(0,0,0,0.25);
}

/* =========================
   CONTROLS
   ========================= */

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: none;
    background: rgba(0,0,0,0.55);
    color: #ffffff;
    font-size: 25px;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.2s ease;
}

.slider-btn:hover {
    background: rgba(0,0,0,0.75);
    transform: translateY(-50%) scale(1.05);
}

.slider-btn.prev { left: 16px; }
.slider-btn.next { right: 16px; }

/* =========================
   INDICATOR
   ========================= */

.indicator {
    position: absolute;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    font-size: 18px;
    color: #ffffff;
    background: rgba(0,0,0,0.45);
    padding: 6px 12px;
    border-radius: 999px;
}

/* =========================
   RESPONSIVE - MOBILE
   ========================= */

@media (max-width: 768px) {

    .catalog-bg {
        padding: 50px 10px;
    }

    .slide {
        padding: 20px 0;
    }

    .slide img {
        max-height: 75vh;
        max-width: 92%;
    }

    /* giảm blur cho mobile */
    .catalog-slider::before {
        filter: blur(18px) brightness(0.9);
        transform: scale(1.1);
    }

    .slider-btn {
        width: 36px;
        height: 36px;
        font-size: 20px;
    }

    .slider-btn.prev { left: 10px; }
    .slider-btn.next { right: 10px; }

    .indicator {
        font-size: 15px;
        padding: 4px 10px;
    }
}