/* our-businesses.css */

/* Section */
.ob-section {
    background: #edf2f2;
    padding: 60px 0 50px;
    overflow: hidden;
}

.ob-heading {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: #111;
    text-align: center;
    letter-spacing: -0.5px;
    margin-bottom: 40px;
    /* same drop the other section titles carry (cu-bc-title, reach-commit__title,
       tel-products__title) rather than a new value */
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.25);
}

/* Wrapper clips the side-peek cards */
.ob-wrapper {
    position: relative;
    width: 100%;
    overflow: hidden;
}

/* Track - flex row, GSAP moves this */
.ob-track {
    display: flex;
    align-items: flex-end;
    /* Initial offset set by JS so first card is centred */
    will-change: transform;
}

/* Individual card */
.ob-card {
    position: relative;
    flex-shrink: 0;
    /* Active card: 58% wide, side cards peek at ~20% each */
    width: 58%;
    height: 480px;
    border-radius: 10px;
    overflow: hidden;
    margin: 0 12px;
    /* Side cards: solid teal fill, scaled down from the bottom so all card
       bottoms align */
    background: #1c4157;
    transform-origin: center bottom;
    transform: scale(0.88);
    transition:
        transform 0.55s cubic-bezier(0.25, 0.46, 0.45, 0.94),
        background 0.55s ease;
    cursor: pointer;
}

.ob-card:has(~ .ob-card.is-active) {
    transform-origin: right bottom;
}
.ob-card.is-active ~ .ob-card {
    transform-origin: left bottom;
}

.ob-card.is-active {
    background: #496674;
    transform: scale(1);
    cursor: default;
}

/* Background image */
.ob-card__bg {
    position: absolute;
    inset: 0;
}

.ob-card__bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.ob-card.is-active .ob-card__bg img {
    transform: scale(1.02);
    /* Active card: illustration recedes so the #030d11 fill and text read clearly */
    opacity: 0.2;
}

/* Dark overlay */
.ob-card__overlay {
    position: absolute;
    inset: 0;
    background: transparent;
}

/* Text content */
.ob-card__content {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 80px;
    text-align: center;
    z-index: 2;
    /* Hide content on side cards */
    opacity: 0;
    transition: opacity 0.4s ease 0.1s;
}

.ob-card.is-active .ob-card__content {
    opacity: 1;
}

.ob-card__content h3 {
    font-size: 36px;
    font-weight: 700;
    color: #f2f2f2;
    margin-bottom: 18px;
    line-height: 1.25;
}

.ob-card__content p {
    font-size: 20px;
    line-height: 24px;
    color: #f2f2f2;
    max-width: 500px;
    margin-bottom: 28px;
}

/* Know More button */
.ob-btn {
    display: inline-block;
    background: #074158;
    color: #f2f2f2;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 14px 38px;
    border-radius: 40px;
    text-decoration: none;
    border: 1.5px solid rgba(255, 255, 255, 0.2);
    transition:
        background 0.25s,
        transform 0.2s;
}

.ob-btn:hover {
    background: #e8521a;
    border-color: #e8521a;
    transform: translateY(-2px);
}

/* Arrows - inside active card, vertically centred */
.ob-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1.5px solid rgba(255, 255, 255, 0.45);
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition:
        background 0.2s,
        border-color 0.2s,
        transform 0.2s;
    /* Hidden on side cards */
    opacity: 0;
    pointer-events: none;
}

.ob-card.is-active .ob-arrow {
    opacity: 1;
    pointer-events: all;
    transition:
        opacity 0.3s ease 0.2s,
        background 0.2s,
        border-color 0.2s;
}

.ob-arrow:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.8);
    transform: translateY(-50%) scale(1.08);
}

.ob-arrow svg {
    width: 18px;
    height: 18px;
}

.ob-arrow--left {
    left: 24px;
}
.ob-arrow--right {
    right: 24px;
}

/* Responsive */
@media (max-width: 767px) {
    /* Halve the space above "Our Businesses" (base padding-top is 60px) to match the
       reduced padding-bottom on the Critical Metals section above it. */
    .ob-section {
        padding-top: 30px;
    }
    .ob-card {
        width: 75%;
        height: 400px;
    }
    .ob-card__content {
        padding: 32px 60px;
    }
}

@media (max-width: 600px) {
    .ob-card {
        width: 86%;
        height: 340px;
        margin: 0 1%;
    }
    .ob-card__content {
        padding: 24px 48px;
    }
    .ob-card__content h3 {
        font-size: 1.1rem;
    }
    .ob-card__content p {
        font-size: 0.8rem;
    }
    .ob-arrow {
        width: 36px;
        height: 36px;
    }
    .ob-arrow--left {
        left: 12px;
    }
    .ob-arrow--right {
        right: 12px;
    }
}

@media (min-width: 1729px) {
    .ob-section {
        width: var(--bleed-w);
        margin-left: var(--bleed-left);
        margin-right: 0;
    }
}