@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');

body {
    margin: 0;
    background-color: #F4F4F4;
    font-family: Poppins;
}

:root {
    --item1-transform: translateX(-100%) translateY(-5%) scale(1.5);
    --item1-filter: blur(30px);
    --item1-zIndex: 11;
    --item1-opacity: 0;

    --item2-transform: translateX(0);
    --item2-filter: blur(0px);
    --item2-zIndex: 10;
    --item2-opacity: 1;

    --item3-transform: translate(50%, 10%) scale(0.8);
    --item3-filter: blur(10px);
    --item3-zIndex: 9;
    --item3-opacity: 1;

    --item4-transform: translate(90%, 20%) scale(0.5);
    --item4-filter: blur(30px);
    --item4-zIndex: 8;
    --item4-opacity: 1;

    --item5-transform: translate(120%, 30%) scale(0.3);
    --item5-filter: blur(40px);
    --item5-zIndex: 7;
    --item5-opacity: 0;
}

header {
    width: 1140px;
    max-width: 90%;
    display: flex;
    justify-content: space-between;
    margin: auto;
    height: 50px;
    align-items: center;
}

header .logo {
    font-weight: bold;
}

header nav a {
    margin-left: 30px;
    text-decoration: none;
    color: #555;
    font-weight: 500;
}

/* carousel */
.carousel {
    position: relative;
    height: 800px;
    overflow: hidden;
    margin-top: -50px;
}

.carousel .list {
    position: absolute;
    width: 1140px;
    max-width: 90%;
    height: 80%;
    left: 50%;
    transform: translateX(-50%);
}

.carousel .list .item {
    position: absolute;
    left: 0%;
    width: 70%;
    height: 100%;
    font-size: 15px;
    transition: left 0.5s, opacity 0.5s, width 0.5s;
}

.carousel .list .item:nth-child(n + 6) {
    opacity: 0;
}

.carousel .list .item:nth-child(2) {
    z-index: 10;
    transform: translateX(0);
}

.carousel .list .item img {
    width: 50%;
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    transition: right 1.5s;
}

.carousel .list .item .introduce {
    opacity: 0;
    pointer-events: none;
}

.carousel .list .item:nth-child(2) .introduce {
    opacity: 1;
    pointer-events: auto;
    width: 400px;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    transition: opacity 0.5s;
}

.carousel .list .item .introduce .title {
    font-size: 2em;
    font-weight: 500;
    line-height: 1em;
}

.carousel .list .item .introduce .topic {
    font-size: 4em;
    font-weight: 500;
}

.carousel .list .item .introduce .des {
    font-size: small;
    color: #5559;
}

.carousel .list .item .introduce .seeMore {
    font-family: Poppins;
    margin-top: 1.2em;
    padding: 5px 0;
    border: none;
    border-bottom: 1px solid #555;
    background-color: transparent;
    font-weight: bold;
    letter-spacing: 3px;
    transition: background 0.5s;
}

.carousel .list .item .introduce .seeMore:hover {
    background: #eee;
}

.carousel .list .item:nth-child(1) {
    transform: var(--item1-transform);
    filter: var(--item1-filter);
    z-index: var(--item1-zIndex);
    opacity: var(--item1-opacity);
    pointer-events: none;
}

.carousel .list .item:nth-child(3) {
    transform: var(--item3-transform);
    filter: var(--item3-filter);
    z-index: var(--item3-zIndex);
}

.carousel .list .item:nth-child(4) {
    transform: var(--item4-transform);
    filter: var(--item4-filter);
    z-index: var(--item4-zIndex);
}

.carousel .list .item:nth-child(5) {
    transform: var(--item5-transform);
    filter: var(--item5-filter);
    opacity: var(--item5-opacity);
    pointer-events: none;
}

/* animation text in item2 */
.carousel .list .item:nth-child(2) .introduce .title,
.carousel .list .item:nth-child(2) .introduce .topic,
.carousel .list .item:nth-child(2) .introduce .des,
.carousel .list .item:nth-child(2) .introduce .seeMore {
    opacity: 0;
    animation: showContent 0.5s 1s ease-in-out 1 forwards;
}

@keyframes showContent {
    from {
        transform: translateY(-30px);
        filter: blur(10px);
    }

    to {
        transform: translateY(0);
        opacity: 1;
        filter: blur(0px);
    }
}

.carousel .list .item:nth-child(2) .introduce .topic {
    animation-delay: 1.2s;
}

.carousel .list .item:nth-child(2) .introduce .des {
    animation-delay: 1.4s;
}

.carousel .list .item:nth-child(2) .introduce .seeMore {
    animation-delay: 1.6s;
}

/* next click */
.carousel.next .item:nth-child(1) {
    animation: transformFromPosition2 0.5s ease-in-out 1 forwards;
}

@keyframes transformFromPosition2 {
    from {
        transform: var(--item2-transform);
        filter: var(--item2-filter);
        opacity: var(--item2-opacity);
    }
}

.carousel.next .item:nth-child(2) {
    animation: transformFromPosition3 0.7s ease-in-out 1 forwards;
}

@keyframes transformFromPosition3 {
    from {
        transform: var(--item3-transform);
        filter: var(--item3-filter);
        opacity: var(--item3-opacity);
    }
}

.carousel.next .item:nth-child(3) {
    animation: transformFromPosition4 0.9s ease-in-out 1 forwards;
}

@keyframes transformFromPosition4 {
    from {
        transform: var(--item4-transform);
        filter: var(--item4-filter);
        opacity: var(--item4-opacity);
    }
}

.carousel.next .item:nth-child(4) {
    animation: transformFromPosition5 1.1s ease-in-out 1 forwards;
}

@keyframes transformFromPosition5 {
    from {
        transform: var(--item5-transform);
        filter: var(--item5-filter);
        opacity: var(--item5-opacity);
    }
}

/* previous */
.carousel.prev .list .item:nth-child(5) {
    animation: transformFromPosition4 0.5s ease-in-out 1 forwards;
}

.carousel.prev .list .item:nth-child(4) {
    animation: transformFromPosition3 0.7s ease-in-out 1 forwards;
}

.carousel.prev .list .item:nth-child(3) {
    animation: transformFromPosition2 0.9s ease-in-out 1 forwards;
}

.carousel.prev .list .item:nth-child(2) {
    animation: transformFromPosition1 1.1s ease-in-out 1 forwards;
}

@keyframes transformFromPosition1 {
    from {
        transform: var(--item1-transform);
        filter: var(--item1-filter);
        opacity: var(--item1-opacity);
    }
}

/* detail  */
.carousel .list .item .detail {
    opacity: 0;
    pointer-events: none;
}

/* showDetail */
.carousel.showDetail .list .item:nth-child(3),
.carousel.showDetail .list .item:nth-child(4) {
    left: 100%;
    opacity: 0;
    pointer-events: none;
}

.carousel.showDetail .list .item:nth-child(2) {
    width: 100%;
}

.carousel.showDetail .list .item:nth-child(2) .introduce {
    opacity: 0;
    pointer-events: none;
}

.carousel.showDetail .list .item:nth-child(2) img {
    right: 50%;
}

.carousel.showDetail .list .item:nth-child(2) .detail {
    opacity: 1;
    width: 50%;
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    text-align: right;
    pointer-events: auto;
}

.carousel.showDetail .list .item:nth-child(2) .detail .title {
    font-size: 4em;
}

.carousel.showDetail .list .item:nth-child(2) .detail .specifications {
    display: flex;
    gap: 10px;
    width: 100%;
    border-top: 1px solid #5553;
    margin-top: 20px;
}

.carousel.showDetail .list .item:nth-child(2) .detail .specifications div {
    width: 90px;
    text-align: center;
    flex-shrink: 0;
}

.carousel.showDetail .list .item:nth-child(2) .detail .specifications div p:nth-child(1) {
    font-weight: bold;
}

.carousel.carousel.showDetail .list .item:nth-child(2) .checkout button {
    font-family: Poppins;
    background-color: transparent;
    border: 1px solid #5555;
    margin-left: 5px;
    padding: 5px 10px;
    letter-spacing: 2px;
    font-weight: 500;
}

.carousel.carousel.showDetail .list .item:nth-child(2) .checkout button:nth-child(2) {
    background-color: #693EFF;
    color: #eee;
}

.carousel.showDetail .list .item:nth-child(2) .detail .title,
.carousel.showDetail .list .item:nth-child(2) .detail .des,
.carousel.showDetail .list .item:nth-child(2) .detail .specifications,
.carousel.showDetail .list .item:nth-child(2) .detail .checkout {
    opacity: 0;
    animation: showContent 0.5s 1s ease-in-out 1 forwards;
}

.carousel.showDetail .list .item:nth-child(2) .detail .des {
    animation-delay: 1.2s;
}

.carousel.showDetail .list .item:nth-child(2) .detail .specifications {
    animation-delay: 1.4s;
}

.carousel.showDetail .list .item:nth-child(2) .detail .checkout {
    animation-delay: 1.6s;
}

.arrows {
    position: absolute;
    bottom: 10px;
    width: 1140px;
    max-width: 90%;
    display: flex;
    justify-content: space-between;
    left: 50%;
    transform: translateX(-50%);
}

#prev {
    width: 80px;
    height: 40px;
    border-radius: 50%;
    font-family: monospace;
    /* background-color: red;
    color: white; */
    border: 1px solid #5555;
    font-size: large;
    bottom: 20%;
    left: 10%;
}

#next {
    width: 60px;
    height: 40px;
    border-radius: 50%;
    font-family: monospace;
    /* background-color: black;
    color: white; */
    text-align: center;
    border: 1px solid #5555;
    font-size: large;
    bottom: 20%;
    left: 10%;
}

#next {
    left: unset;
    right: 10%;
}



#back {
    position: absolute;
    z-index: 100;
    bottom: 0%;
    left: 50%;
    transform: translateX(-50%);
    border: none;
    border-bottom: 1px solid #555;
    font-family: Poppins;
    font-weight: bold;
    letter-spacing: 3px;
    background-color: transparent;
    padding: 10px;
    /* opacity: 0; */
    transition: opacity 0.5s;
}

.carousel.showDetail #back {
    opacity: 1;
}

.carousel.showDetail #prev,
.carousel.showDetail #next {
    opacity: 0;
    pointer-events: none;
}

.carousel::before {
    width: 500px;
    height: 300px;
    content: '';
    background-image: linear-gradient(70deg, #DC422A, blue);
    position: absolute;
    z-index: -1;
    border-radius: 20% 30% 80% 10%;
    filter: blur(150px);
    top: 50%;
    left: 50%;
    transform: translate(-10%, -50%);
    transition: 1s;
}

.carousel.showDetail::before {
    transform: translate(-100%, -50%) rotate(90deg);
    filter: blur(130px);
}

@media screen and (max-width: 991px) {

    /* ipad, tablets */
    .carousel .list .item {
        width: 90%;
    }

    .carousel.showDetail .list .item:nth-child(2) .detail .specifications {
        overflow: auto;
    }

    .carousel.showDetail .list .item:nth-child(2) .detail .title {
        font-size: 2em;
    }
}

@media screen and (max-width: 767px) {

    /* mobile */
    .carousel {
        height: 600px;
    }

    .carousel .list .item {
        width: 100%;
        font-size: 10px;
    }

    .carousel .list {
        height: 100%;
    }

    .carousel .list .item:nth-child(2) .introduce {
        width: 50%;
    }

    .carousel .list .item img {
        width: 40%;
    }

    .carousel.showDetail .list .item:nth-child(2) .detail {
        backdrop-filter: blur(10px);
        font-size: small;
    }

    .carousel .list .item:nth-child(2) .introduce .des,
    .carousel.showDetail .list .item:nth-child(2) .detail .des {
        height: 100px;
        overflow: auto;
    }

    .carousel.showDetail .list .item:nth-child(2) .detail .checkout {
        display: flex;
        width: max-content;
        float: right;
    }
}

#prev:hover,
#next:hover {
    background-color: black;
    color: #eee;
}


.detail {
    padding: 20px;
    max-width: 600px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    text-align: justify;
}

.detail .title {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 10px;
}

.detail p {
    font-size: 16px;
    line-height: 1.6;
}


.site-header {
    background-color: #ffffff;
    padding: 16px 32px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    display: flex;
    align-items: center;
    justify-content: start;
}

.site-header {
    background-color: #ffffff;
    padding: 16px 32px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    display: flex;
    align-items: center;
    justify-content: start;
}

.site-header {
    background-color: #ffffff;
    padding: 16px 32px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

/* Main Header Style */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 30px;
    background: #ffffff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    border-radius: 12px;
    margin: 20px;
    font-family: 'Segoe UI', sans-serif;
}

/* Logo Styling */
.logo-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    transition: transform 0.3s ease;
}

.site-name {
    font-size: 1.6rem;
    font-weight: 600;
    color: #222;
}

.site-name .highlight {
    color: #0070f3;
}

/* Navigation Links */
.nav-right a {
    margin-left: 24px;
    font-size: 1rem;
    text-decoration: none;
    color: #333;
    font-weight: 500;
    position: relative;
    transition: color 0.3s ease;
}

.nav-right a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -5px;
    width: 0%;
    height: 2px;
    background-color: #00bcd4;
    transition: width 0.3s;
}

.nav-right a:hover {
    color: #00bcd4;
}

.nav-right a:hover::after {
    width: 100%;
}

.tagline {
    font-size: 0.9rem;
    color: #555;
    margin-top: 4px;
    font-style: italic;
}