@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=League+Gothic&display=swap');

:root {
    --w-column: 200px;
}

body {
    margin: 0;
    background-color: #232442;
    color: #fff;
    font-size: 15px;
    font-family: Poppins;

    & * {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
        list-style: none;
    }

    header {
        position: fixed;
        z-index: 10;
        width: min(1200px, 90vw);
        height: 70px;
        left: 50%;
        transform: translateX(-50%);
        display: grid;
        grid-template-columns: 1fr calc(var(--w-column) * 3);
        gap: 10%;
        align-items: center;

        & .logo {
            & img {
                width: 150px;
            }
        }

        & nav {
            & ul {
                display: grid;
                grid-template-columns: repeat(3, var(--w-column));
            }
        }
    }

    & .carousel {
        background-image: radial-gradient(#2b2e4f, #111126);
        height: 100vh;
        overflow: hidden;
        position: relative;

        & .list {
            width: min(1200px, 90vw);
            margin: auto;
            height: 100%;
            position: relative;

            & .item {
                position: absolute;
                inset: 0;

                & figure {
                    position: absolute;
                    width: 70%;
                    top: 50%;
                    transform: translateY(-50%);

                    & img {
                        width: 100%;
                        transform: rotate(-30deg);
                    }

                    &::before {
                        content: '';
                        position: absolute;
                        background-color: #0b0b1b;
                        width: 100%;
                        height: 100px;
                        top: 150%;
                        left: 50px;
                        border-radius: 50%;
                        filter: blur(50px);
                    }
                }

                & .content {
                    position: absolute;
                    z-index: 20;
                    width: 70%;
                    height: 100%;
                    right: var(--w-column);
                    display: flex;
                    flex-direction: column;
                    justify-content: center;
                    align-items: end;
                    gap: 20px;

                    & .category {
                        font-weight: 500;
                    }

                    & h2 {
                        font-family: 'League Gothic';
                        font-size: 11em;
                        line-height: 1em;
                    }

                    & .description {
                        align-items: center;
                        color: #fff8;
                        max-width: 400px;
                        font-size: small;
                        text-align: right;

                        & i {
                            height: 50px;
                            color: #ffea7c;
                            font-size: 2em;
                            border: 1px solid #659cdf;
                            border-radius: 50%;
                            display: flex;
                            justify-content: center;
                            align-items: center;
                        }
                    }
                }

                & .more {
                    display: grid;
                    grid-template-columns: repeat(2, 120px);
                    gap: 20px;
                    grid-template-rows: 35px;

                    & button {
                        border-radius: 30px;
                        font-family: 'League Gothic';
                        text-transform: uppercase;
                        color: #fff;
                        background-color: transparent;
                        border: none;
                        position: relative;

                        &:nth-child(1) {
                            background-image: linear-gradient(to right, #81baa0, #46a39c);
                        }

                        &:nth-child(2) {
                            border: 2px solid transparent;
                            background: linear-gradient(#242745, #242745) padding-box,
                                linear-gradient(to right, #81baa0, #46a39c) border-box;

                            & i {
                                margin-right: 10px;
                            }
                        }
                    }
                }
            }

            /* Removed ::before and ::after that caused blue lines */
        }
    }

    & .arrows {
        width: min(1200px, 90vw);
        display: flex;
        justify-content: space-between;
        position: absolute;
        top: 52%;
        left: 50%;
        transform: translate(-50%, -25px);
        pointer-events: none;
        z-index: 100;

        & button {
            top: 60%;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            border: 1px solid #659cdf55;
            background-color: #232442;
            color: #fff7;
            font-size: large;
            cursor: pointer;
            pointer-events: auto;
            transition: 0.5s;

            &:hover {
                border: 1px solid #659cdf;
                color: #fff;
            }
        }
    }

    & .indicators {
        position: absolute;
        top: 52%;
        height: var(--w-column);
        width: min(1200px, 90vw);
        left: 50%;
        transform: translateX(-50%);
        display: flex;
        flex-direction: column;
        pointer-events: none;
        justify-content: end;
        gap: 10px;

        & .number {
            font-family: 'League Gothic';
            font-size: 7vw;
        }

        & ul {
            display: flex;
            gap: 10px;

            & li {
                width: 50px;
                height: 5px;
                background-color: #659cdf;
                border-radius: 10px;
                pointer-events: auto;
                cursor: pointer;
                transition: 0.5s;

                &.active {
                    background-color: yellow;
                }
            }
        }
    }
}

/* animation */
body {
    .carousel {
        --calculation: 1; /* 1 or -1 */

        & .list {
            & .item {
                transform: translateX(calc(100vw * var(--calculation)));
                transition: 0.5s;
                opacity: 0;

                & figure {
                    & img {
                        transform: rotate(0deg);
                        transition: transform 0.5s;
                        transition-delay: 0.3s;
                    }
                }

                & .content {
                    & .category,
                    h2,
                    .description,
                    .more {
                        transform: translateX(calc(200px * var(--calculation)));
                        transition: 0.7s;
                        opacity: 0;
                        transition-delay: 0.3s;
                    }

                    & h2 {
                        transition-delay: 0.5s;
                    }

                    & .description {
                        transition-delay: 0.7s;
                    }

                    & .more {
                        transition-delay: 0.9s;
                    }
                }

                &.active {
                    opacity: 1;
                    transform: translateX(0);

                    & figure {
                        & img {
                            transform: rotate(-20deg);
                        }
                    }

                    & .content {
                        & .category,
                        h2,
                        .description,
                        .more {
                            transform: translateX(0px);
                            opacity: 1;
                        }
                    }
                }

                &.activeOld {
                    transform: translateX(calc(-100vw * var(--calculation)));
                }
            }
        }
    }
}

@media screen and (max-width: 1023px) and (min-width: 768px) {
    :root {
        --w-column: 100px;
    }

    body {
        & .carousel {
            height: 60vh;

            & .list {
                & .item {
                    & .content {
                        & h2 {
                            font-size: 5em;
                        }
                    }
                }
            }
        }
    }
}

@media screen and (max-width: 767px) {
    :root {
        --w-column: 50px;
    }

    body {
        & .carousel {
            height: 100vh;

            & .list {
                & .item {
                    & .content {
                        justify-content: end;
                        padding-bottom: 100px;

                        & h2 {
                            font-size: 5em;
                        }
                    }

                    & figure {
                        width: 110%;
                        transform: translateY(0);
                        top: 200px;
                        left: -30px;
                    }
                }
            }

            & .indicators {
                & .number {
                    font-size: 10em;
                    transform: translateX(50px);
                    opacity: 0.5;
                }
            }
        }
    }
}