:root {
    --primary-color: #211f12;
    --hover-color: #5b5739;
    --x-light-color: #f9f2c0;
    --light-color: #d5cd8b;
    --green-color: #ada770;
    --dark-green-color: #948e5f;
    --white-color: #eff0fe;
    --x-light-white-color: #d8dbfc;

    --transition-duration: 0.3s;
    --border-radius: 8px;
    --lg-text: 40px;
    --xs-text: 14px;
    --medium: 500;

    --right-figure-height: 600px;
    --right-top-sticky: 2rem;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background: linear-gradient(135deg, var(--x-light-color), var(--light-color));
    color: #333;
    padding: 20px;
}

.container {
    max-width: 1200px;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
    margin: auto;
}

.bg-title {
    background: linear-gradient(90deg, var(--green-color), var(--dark-green-color));
    color: var(--white-color);
    text-align: center;
    padding: 25px;
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.wrapper {
    display: grid;
    gap: 30px;
    padding: 30px;
    grid-template-columns: 1fr 1fr;
    grid-template-areas: "left right";
}

.wrapper h2 {
    font-size: 1.8rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.wrapper a {
    font-weight: var(--medium);
    border: 2px solid var(--hover-color);
    font-size: var(--xs-text);
    display: inline-block;
    margin-top: var(--xs-text);
    border-radius: var(--border-radius);
    padding: calc(var(--xs-text)/2) calc(var(--xs-text) * 1.5);
    transition: color var(--transition-duration), background-color var(--transition-duration);
    text-decoration: none;
    color: var(--primary-color);
}

.wrapper a:hover {
    background-color: var(--hover-color);
    color: var(--x-light-white-color);
}

div[data-left] {
    height: auto;
    padding-right: 15px;
    grid-area: left;
}

div[data-right] {
    position: relative;
    grid-area: right;
}

div[data-right]>div {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-areas:
        "prevItem"
        "activeitem";
    position: sticky;
    top: var(--right-top-sticky);
    grid-template-rows: calc(var(--right-figure-height) / 7) 1fr;
    z-index: 10;
}

div[data-right] [item] {
    display: block;
    grid-column: 1/-1;
    grid-area: activeitem;
    height: var(--right-figure-height);
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    transform: translateY(30px) scale(0.95);
    transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    pointer-events: none;
    border-radius: var(--border-radius);
    overflow: hidden;
}

div[data-right] [item].active {
    opacity: 1;
    transform: translateY(0) scale(1);
    z-index: 2;
    grid-area: activeitem;
}

div[data-right] [item].prev {
    opacity: 0.3;
    transform: translateY(-30px) scale(0.9);
    z-index: 1;
    grid-area: prevItem;
}

div[data-right] [item].next {
    opacity: 0.3;
    transform: translateY(30px) scale(0.9);
    z-index: 1;
}

div[data-right] figure {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

div[data-right] img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

div[item] {
    display: block;
    margin-block-end: 60px;
    padding: 25px;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
}

div[data-right] div[item] {
    margin-block-end: 0;
}

div[item]:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

div[item].active {
    border-left: 4px solid var(--hover-color);
    background-color: #f8f9fa;
}

div[item]::before {
    content: attr(data-leftitem);
    position: absolute;
    top: -15px;
    left: 25px;
    background: var(--green-color);
    color: white;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 14px;
}

/* div[data-right] div[item]:not(.active)::before {
    top: -15px;
    left: 25px;
} */

div[data-right] div[item]::before {
    content: attr(data-rightitem);
    top: 10px;
    left: 15px;
}

p {
    line-height: 1.6;
    margin-bottom: 15px;
    color: #555;
}

.scroll-indicator {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.7);
    color: var(--white-color);
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 12px;
    z-index: 10;
    transition: opacity 0.3s ease;
    min-width: 30%;
    text-align: center;
}

/* @media (max-width: 768px) {
    .wrapper {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    div[data-right] {
        position: relative;
        top: 0;
        height: 300px;
        order: -1;
    }

    .bg-title {
        font-size: 1.8rem;
        padding: 20px;
    }
} */

@media (max-width: 1000px) {
    :root {
        --right-top-sticky: 1rem;
        --right-figure-height: 250px;
    }

    div[data-right],
    div[data-left] {
        grid-column: 1/-1;
    }

    div[data-right]>div {
        grid-template-rows: calc(var(--right-figure-height) / 10) 1fr;

        [item].next {
            opacity: 0.3;
            transform: translateY(0) scale(0.9);
        }
    }

    div[data-left]::before {
        content: "";
        inset: 0 0 auto;
        display: block;
        width: 100%;
        position: sticky;
        /* top: ; */
        background: white;
        z-index: 5;
        /* height: calc((var(--right-figure-height)) * 1.3); */
        height: calc(var(--right-figure-height) + var(--right-top-sticky));
        border-radius: 0 0 var(--border-radius) var(--border-radius);
        margin-block-end: calc(var(--right-top-sticky) * 3);
    }
}