/* =========================================================
   MIG – Why Choose Us Block  |  style.css
   ========================================================= */

/* ── Top heading section ─────────────────────────────── */
.why-choose-us-6-sh {
    background-color: #000;
}
.why-choose-us-6-sh .sh-container {
    max-width: 100%;
    padding: 60px 40px 40px;
}
.section-6-bt-sh {
    display: flex;
    align-items: flex-start;
    gap: 40px;
}
.label-6-bt-sh {
    color: #fff;
    font-size: 16px;
    white-space: nowrap;
    padding-top: 6px;
    width: 30%;
    letter-spacing: .1em;
    display: block;
}
.heading-6-bt-sh {
    color: #fff !important;
    font-size: 33px;
    line-height: 1.3;
    text-transform: uppercase;
    width: 70%;
    margin: 0;
}

/* ── WCU scroll section ──────────────────────────────── */
section.wcu {
    display: flex;
    background: #000;
    color: #fff;
    position: relative;
    padding-top: 60px;
}
section.wcu .wcu-left {
    width: 50%;
    height: 100vh;
    position: sticky;
    top: 0;
    overflow: hidden;
    background: #000;
}

/* Image stack: default image + per-item images cross-fade */
section.wcu .wcu-img-stack {
    position: absolute;
    inset: 0;
    transform-origin: center center;
    will-change: transform;
}
section.wcu .wcu-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    opacity: 0;
    transition: opacity 0.8s ease;
    will-change: opacity;
}
/* Default image hamesha neeche rehti hai */
section.wcu .wcu-img.is-default {
    opacity: 1;
}
section.wcu .wcu-img.is-visible {
    opacity: 1;
}

section.wcu .wcu-right {
    width: 50%;
}
section.wcu .wcu-item {
    min-height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 40px 60px;
    opacity: 0.3;
    transition: opacity 0.6s ease;
    border-bottom: 1px solid #919191;
}
section.wcu .wcu-item.active {
    opacity: 1;
    border-bottom: 1px solid #242323;
}
section.wcu .wcu-item span {
    color: #999;
    margin-bottom: 10px;
    display: block;
}
section.wcu .wcu-item h3 {
    font-size: 40px;
    margin-bottom: 15px;
    font-weight: 300;
}
section.wcu .wcu-item p {
    max-width: 520px;
    line-height: 1.5;
    color: #cacaca;
    font-size: 18px;
    font-weight: 200;
    margin: 0;
}
section.wcu .wcu-right .wcu-item:first-of-type {
    margin-top: 50%;
}
section.wcu .wcu-right .wcu-item:last-of-type {
    margin-bottom: 50%;
}

/* ── Responsive ──────────────────────────────────────── */
@media ( max-width: 768px ) {
    .section-6-bt-sh {
        flex-direction: column;
        gap: 16px;
    }
    .label-6-bt-sh {
        width: 100%;
    }
    .heading-6-bt-sh {
        width: 100%;
        font-size: 22px;
    }

    /* Mobile: image FULL SCREEN background (sticky), content us ke UPAR scroll hota hai */
    section.wcu {
        flex-direction: column;
        padding-top: 0;
    }
    section.wcu .wcu-left {
        width: 100%;
        height: 100vh;
        height: 100svh;
        position: sticky;
        top: 0;
        z-index: 0;
    }
    /* Text padhne ke liye halka dark overlay */
    section.wcu .wcu-left::after {
        content: '';
        position: absolute;
        inset: 0;
        z-index: 1;
        background: linear-gradient( to bottom, rgba(0,0,0,0.55) 0%, rgba(0,0,0,0.75) 100% );
        pointer-events: none;
    }
    /* Content ko image ke upar kheench lo */
    section.wcu .wcu-right {
        width: 100%;
        position: relative;
        z-index: 2;
        margin-top: -100vh;
        margin-top: -100svh;
    }
    section.wcu .wcu-item {
        min-height: auto;
        padding: 40px 24px;
        opacity: 0.35;
        border-bottom-color: rgba(255,255,255,0.25);
    }
    section.wcu .wcu-item.active {
        opacity: 1;
    }
    /* Pehla/aakhri item bhi screen ke center tak aa sake */
    section.wcu .wcu-right .wcu-item:first-of-type {
        margin-top: 40vh;
        margin-top: 40svh;
    }
    section.wcu .wcu-right .wcu-item:last-of-type {
        margin-bottom: 40vh;
        margin-bottom: 40svh;
    }
    section.wcu .wcu-item h3 {
        font-size: 24px;
        text-shadow: 0 1px 12px rgba(0,0,0,0.5);
    }
    section.wcu .wcu-item p {
        font-size: 16px;
        text-shadow: 0 1px 12px rgba(0,0,0,0.5);
    }
}