@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 {
    font-family: 'Poppins', sans-serif;
    margin: 0;
    /* background: linear-gradient(135deg, #1a1a2e, #16213e, #0f3460); */
    /* color: #fff; */
    min-height: 100vh;
    background: #f5f5f5;
}

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

    --item2-transform: translate(0, 0);
    --item2-filter: blur(0);
    --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;



}

a {
    text-decoration: none;
    color: #555;
}

header {
    width: 1140px;
    max-width: 90%;
    margin: auto;
    height: 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 100;
}

header .logo {
    font-weight: bold;
}
header nav {
    display: flex;
    align-items: center;
    gap: 20px;
    /* background: #fff; */
    padding: 18px 32px;
    border-radius: 18px;
    position: relative;
    z-index: 10;
}
header nav a, header nav .dropbtn {
   color: #16213e;
   padding: 10px 22px;
   border-radius: 18px;
   transition: background 0.3s, color 0.3s, transform 0.2s;
   text-decoration: none;
   background: none;
   cursor: pointer;
   display: inline-block;
}

header nav a:hover, header nav .dropbtn:hover {
    background: white;
    color: black;
    transform: translateY(-2px) scale(1.04);
}

header nav a.active {
    background: black;
    color: #fff;
}

.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-content {
    display: none;
    position: absolute;
    top: 110%;
    left: 0;
    background: #fff;
    min-width: 160px;
    border-radius: 18px;
    overflow: hidden;
    z-index: 100;
}

.dropdown-content a {
    color: #16213e;
    padding: 12px 30px;
    display: block;
    border: none;
    background: none;
    transition: background 0.25s, color 0.2s;
    font-size: 1em;
}

.dropdown-content a:hover {
    background: #f5f9fe;
    color: #434343;
    transform: none;
}
.dropdown:hover .dropdown-content,
.dropdown:focus-within .dropdown-content {
    display: block;
}

@media (max-width: 800px) {
    nav {
        flex-wrap: wrap;
        gap: 8px;
        padding: 10px 8px;
    }

    nav a,
    nav .dropbtn {
        padding: 8px 10px;
        font-size: 0.97em;
    }

    .dropdown-content {
        min-width: 120px;
    }
}

/* button seemore and back-button */
.seemore , .back-button{
    background: black;
    padding: 12px 32px;
    border: none;
    border-radius: 22px;
    box-shadow: 0 6px 24px rgba(67, 97, 238, 0.12);
    font-family: 'Poppins', sans-serif;
    font-size: 1.1em;
    font-weight: 600;
    color: #fff;
    cursor: pointer;
    margin-top: 20px;
    margin-bottom: 10px;
    transition: background 0.3s, transform 0.2s, box-shadow 0.2s;
    position: relative;
    overflow: hidden;
    letter-spacing: 0.5px;
    display: inline-block;
}

.seemore a, .back-button a {
    color: #fff;
    text-decoration: none;
    display: inline-block;
    width: 100%;
    height: 100%;
    transition: color 0.2s;
    padding: 0;
}

.seemore:hover,
.seemore:focus, .back-button:hover {
    background: linear-gradient(110deg, #4361ee 0%, #4cc9f0 100%);
    transform: translateY(-2px) scale(1.04);
    box-shadow: 0 10px 36px rgba(67, 97, 238, 0.18);
}

.seemore:active {
    transform: scale(0.98);
}

/* .seemore a:visited,
.seemore a:active {
    color: #fff;
} */

@media (max-width: 600px) {
    .seemore {
        font-size: 1em;
        padding: 10px 18px;
    }
}

/* .seemore,
.back-button {
    margin: 30px;
    padding: 10px 15px;
    border-radius: 18px;
    transition: all 0.3s ease;
    border: none;
    font-weight: 500;
    font-family: 'Poppins';
    background: white;
}

.seemore:hover .seemore a:hover, .back-button:hover, .back-button a:hover {
    background: gray;
    color: white;

} */

/* carousel */
.carousel {
    margin-top: 30px;
    height: 700px;
    overflow: hidden;
    position: relative;
}

.carousel .list {
    position: absolute;
    top: 0;
    left: 0;
    width: 1140px;
    max-width: 90%;
    left: 50%;
    transform: translateX(-50%);
    height: 80%;
}

.carousel .list .item {
    position: absolute;
    left: 0;
    top: 0;
    width: 80%;
    height: 100%;
    font-size: 15px;
    /* display: flex; */
    /* align-items: center;
    justify-content: space-between; */
}

.carousel .list .item model-viewer {
    width: 80%;
    height: 80%;
    border-radius: 20px;
    background: transparent;
    padding-left: 400px;
}

.carousel .list .item .intro {
    width: 35%;
    padding: 20px;
    opacity: 0;
    pointer-events: none;
}

.carousel .list .item .detail {
    opacity: 0;
    pointer-events: none;
    padding-right: 500px;
}


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

.carousel .list .item:nth-child(n + 3) {
    opacity: 0;
    pointer-events: none;
}

.carousel .list .item:nth-child(2) {
    transform: var(--item2-transform);
    filter: var(--item2-filter);
    z-index: var(--item2-zIndex);
    opacity: var(--item2-opacity);
}

.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);
    opacity: var(--item3-opacity);
    pointer-events: none;
}

.carousel .list .item:nth-child(4) {
    transform: var(--item4-transform);
    filter: var(--item4-filter);
    z-index: var(--item4-zIndex);
    opacity: var(--item4-opacity);
    pointer-events: none;
}

/* .carousel.bg-city::before {
    background-image: linear-gradient(70deg, #DC422A, #4361ee);
}

.carousel.bg-temple::before {
    background-image: linear-gradient(70deg, #43ea4e, #228a38);
}

.carousel.bg-beach::before {
    background-image: linear-gradient(70deg, #74c8fa, #f8afb6);
}

.carousel.bg-forest::before {
    background-image: linear-gradient(70deg, #a3e635, #016935);
} */


/* arrow */
.arrow {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 20px;
    align-items: center;
    z-index: 100;
}

.arrow .next,
.arrow .prev {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-family: monospace;
    font-size: large;
    font-weight: bold;
    border: none;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.arrow .next:hover,
.arrow .prev:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);

}
.arrow .back {
    font-family: "Poppins", sans-serif;
    font-weight: 500;
    border: none;
    border-bottom: 1px solid #555;
    letter-spacing: 3px;
    background-color: transparent;
    opacity: 0;
    pointer-events: none;
    padding: 10px 20px;
    cursor: pointer;
}

.carousel .list .item .intro .title {
    font-size: 2em;
}

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

.carousel .list .item .intro .des {
    font-size: small;
}

.carousel .list .item .intro .seeMore {
    background-color: transparent;
    border: none;
    border-bottom: 1px solid #555;
    font-weight: bold;
    margin-top: 1.2em;
    padding: 5px 0;
}


.carousel .list .item:nth-child(2) .intro .title,
.carousel .list .item:nth-child(2) .intro .topic,
.carousel .list .item:nth-child(2) .intro .des,
.carousel .list .item:nth-child(2) .intro .seemore {
    opacity: 0;
    animation: showContent 0.5s 0.7s ease-out forwards;
}

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

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

.carousel .list .item:nth-child(2) .intro .topic {
    animation-delay: 0.9s;
}

.carousel .list .item:nth-child(2) .intro .des {
    animation-delay: 1.1s;
}

.carousel .list .item:nth-child(2) .intro .seeMore {
    animation-delay: 1.3s;
}

/* 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);
    }
}


/* previous */


.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) .intro {
    opacity: 0;
    pointer-events: none;
}

.carousel .list .item:nth-child(2) img {
    transition: right 0.5s;
}

.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 .specification {
    display: flex;
    gap: 10px;
    width: 100%;
    border-top: 1px solid #5553;
    margin-top: 20px;
}

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

.carousel.showDetail .list .item:nth-child(2) .detail .specification 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 .specification,
.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 .specification {
    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,
#next {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-family: monospace;
    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, black, 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(50%, -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 .specification {
        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) .intro {
        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) .intro .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;
    }
}


/* for mosic */
.detail-page {
    width: 1140px;
    max-width: 90%;
    margin: 32px auto;
    padding-bottom: 64px;
}
.container::before {

    width: 500px;
    height: 300px;    
    content: '';
    background-image: linear-gradient(70deg, #054A91, #08B2E3);
    position: absolute;
    z-index: -1;
    filter: blur(150px);
    top: 23%;
    left: 23%;
    /* transform: translate(-10%, -50%);
    transition: 1s; */
}
/* city */
.container-city::before {

    width: 500px;
    height: 300px;    
    content: '';
    background-image: linear-gradient(70deg, #F7C948,
        #00E0FF);
    position: absolute;
    z-index: -1;
    filter: blur(150px);
    top: 23%;
    left: 23%;
    /* transform: translate(-10%, -50%);
    transition: 1s; */
}
.container-forest::before {

    width: 500px;
    height: 300px;    
    content: '';
    background-image: linear-gradient(70deg, green, lightblue);
    position: absolute;
    z-index: -1;
    filter: blur(150px);
    top: 23%;
    left: 23%;
    /* transform: translate(-10%, -50%);
    transition: 1s; */
}
.container-temple::before {

    width: 500px;
    height: 300px;    
    content: '';
    background-image: linear-gradient(70deg, gold, green);
    position: absolute;
    z-index: -1;
    filter: blur(150px);
    top: 23%;
    left: 23%;
    /* transform: translate(-10%, -50%);
    transition: 1s; */
}
.hero-section {
    z-index: 100;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    margin-bottom: 64px;
    /* padding: 48px; */
    border-radius: 24px;
    box-shadow: 0 20px 60px var(--shadow);
        
}

.hero-model {
    width: 100%;
    height: 500px;
    border-radius: 16px;
}

.hero-content h1 {
    font-size: 3.5em;
    color: var(--primary-color);
    margin-bottom: 16px;
}

.hero-content p {
    font-size: 1.2em;
    color: var(--text-dark);
    line-height: 1.8;
}
.mosaic-gallery {
    margin: 64px 0;
}

.mosaic-gallery h2 {
    font-size: 2.5em;
    color: var(--primary-color);
    margin-bottom: 32px;
    text-align: center;
}

.mosaic-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 200px;
    gap: 16px;
}

.mosaic-item {
    background-size: cover;
    background-position: center;
    border-radius: 16px;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.mosaic-item:hover {
    transform: scale(1.05);
    z-index: 10;
}

.mosaic-item.large {
    grid-column: span 2;
    grid-row: span 2;
}

.mosaic-item.wide {
    grid-column: span 2;
}

.mosaic-item.tall {
    grid-row: span 2;
}

.mosaic-item .overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: white;
    padding: 16px;
    font-weight: 600;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.mosaic-item:hover .overlay {
    opacity: 1;
}

.info-section {
    margin: 64px 0;
    background: white;
    padding: 48px;
    border-radius: 24px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.info-section h2 {
    font-size: 2.5em;
    color: var(--primary-color);
    margin-bottom: 32px;
    text-align: center;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.info-card {
    background: var(--bg-light);
    padding: 32px;
    border-radius: 16px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.info-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px var(--shadow);
}

.info-card h3 {
    font-size: 1.5em;
    color: var(--primary-color);
    margin-bottom: 16px;
}

.info-card p {
    line-height: 1.8;
    color: var(--text-dark);
}

.about-page,
.contact-page {
    width: 1140px;
    max-width: 90%;
    margin: 0 auto;
    padding-bottom: 64px;
}

.contact-hero {
    max-width: 1100px;
    margin: 0 auto;
    padding: 40px 20px;
    line-height: 1.6;
}
.contact-hero a {
    color: #4cc9f0;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border-bottom: 2px solid transparent;
}

.infos {
    max-width: 1140px;
    border-radius: 24px;
    padding: 40px;
    margin-bottom: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.infos h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    text-align: center;
    font-weight: 700;
}

.infos p {
    font-size: 1.1rem;
    margin-bottom: 25px;
    text-align: center;
}

.infos ul {
    list-style: none;
    padding: 0;
    margin: 30px 0;
}

.infos li {
    background: #f8f9fa;
    padding: 15px 20px;
    margin: 10px 0;
    border-radius: 8px;
    border-left: 4px solid black;
    transition: all 0.3s ease;
}

.infos li:hover {
    background: lightgray;
    transform: translateX(5px);
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.2);
}

.infos strong {
    color: #2c3e50;
    font-weight: 600;
}

.about-hero::before{
    width: 500px;
    height: 300px;
    content: '';
    background-image: linear-gradient(70deg, #054A91, #08B2E3);
    position: absolute;
    z-index: -1;
    filter: blur(150px);
    top: 23%;
    left: 23%;
    
}

.about-hero h1 {
    font-size: 4em;
    margin-bottom: 0;
    margin-top: 8%;
    text-align: center;
}


.subtitle {
    font-size: 1.5em;
    opacity: 0.9;
    text-align: center;
}

.about-content {
    max-width: 90%;
    margin: 0 auto;
}

.about-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    margin: 64px 0;
    background: white;
    padding: 48px;
    border-radius: 24px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.about-section.reverse {
    direction: rtl;
}

.about-section.reverse>* {
    direction: ltr;
}

.about-text h2 {
    font-size: 2.5em;
    color: var(--primary-color);
    margin-bottom: 24px;
}

.about-text p {
    font-size: 1.1em;
    line-height: 1.8;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.about-image {
    width: 100%;
    height: 400px;
    background-size: cover;
    background-position: center;
    border-radius: 16px;
}

.stats-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 32px;
    margin: 64px 0;
}

.stat-card {
    background: white;
    padding: 40px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 10px 40px var(--shadow);
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-8px);
}

.stat-card h3 {
    font-size: 3em;
    color: var(--secondary-color);
    margin-bottom: 8px;
}

.stat-card p {
    font-size: 1.1em;
    color: var(--text-dark);
    font-weight: 500;
}

.why-visit {
    max-width: 1100px;
    margin: 64px auto;
    background: #fff;
    padding: 64px;
    border-radius: 24px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.why-visit h2 {
    font-size: 2.5em;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 48px;
}

.reasons-grid {
    display: grid;
    grid-template-columns: repeat(2, 340px);
    justify-content: center;
    gap: 32px;
}

.reason-card {
    /* background: var(--bg-light); */
    padding: 32px;
    border-radius: 16px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.reason-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px var(--shadow);
}

.reason-icon {
    font-size: 3em;
    margin-bottom: 16px;
}

.reason-card h3 {
    font-size: 1.3em;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.reason-card p {
    line-height: 1.6;
    color: var(--text-dark);
}

.contact-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 48px;
    margin-bottom: 64px;
}

.contact-form-section,
.contact-info-section {
    background: white;
    padding: 48px;
    border-radius: 24px;
    box-shadow: 0 10px 40px var(--shadow);
}

.contact-form-section h2,
.contact-info-section h2 {
    font-size: 2em;
    color: var(--primary-color);
    margin-bottom: 32px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-family: 'Poppins', sans-serif;
    font-size: 1em;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.submit-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 16px 48px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1.1em;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
}

.submit-btn:hover {
    background: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.form-message {
    margin-top: 16px;
    padding: 16px;
    border-radius: 8px;
    display: none;
    text-align: center;
    font-weight: 600;
}

.form-message.success {
    background: #d4edda;
    color: #155724;
    display: block;
}

.form-message.error {
    background: #f8d7da;
    color: #721c24;
    display: block;
}

.info-block {
    display: flex;
    gap: 16px;
    margin-bottom: 32px;
}

.info-icon {
    font-size: 2em;
    flex-shrink: 0;
}

.info-details h3 {
    font-size: 1.2em;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.info-details p {
    line-height: 1.6;
    color: var(--text-dark);
}

.social-links {
    margin-top: 48px;
}

.social-links h3 {
    font-size: 1.2em;
    color: var(--primary-color);
    margin-bottom: 16px;
}

.social-icons {
    display: flex;
    gap: 16px;
}

.social-icon {
    padding: 12px 24px;
    background: var(--bg-light);
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.social-icon:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.map-section {
    background: white;
    padding: 48px;
    border-radius: 24px;
    box-shadow: 0 10px 40px var(--shadow);
}

.map-section h2 {
    font-size: 2em;
    color: var(--primary-color);
    margin-bottom: 24px;
    text-align: center;
}

.map-placeholder {
    background: linear-gradient(135deg, var(--bg-light), #e0e0e0);
    height: 400px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2em;
    text-align: center;
    color: var(--text-dark);
}

.site-footer {
    background: var(--primary-color);
    color: white;
    text-align: center;
    padding: 24px;
    margin-top: 64px;
}

@media screen and (max-width: 1024px) {

    .carousel .list .item model-viewer,
    .carousel .list .item .model-3d {
        padding-left: 300px;
    }

    .hero-section {
        grid-template-columns: 1fr;
    }

    .mosaic-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-auto-rows: 180px;
    }

    .about-section {
        grid-template-columns: 1fr;
    }

    .about-image {
        height: 300px;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }
}

@media screen and (max-width: 768px) {
    header {
        height: auto;
        flex-direction: column;
        gap: 16px;
    }

    header nav {
        gap: 16px;
    }

    .carousel {
        height: 600px;
    }

    .carousel .list .item {
        width: 100%;
        font-size: 12px;
    }

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

    .carousel .list .item model-viewer,
    .carousel .list .item .model-3d {
        width: 60%;
        padding-left: 0;
        margin-left: auto;
    }

    .carousel .list .item .intro .topic {
        font-size: 2em;
    }

    .hero-content h1 {
        font-size: 2em;
    }

    .hero-model {
        height: 300px;
    }

    .mosaic-grid {
        grid-template-columns: 1fr;
        grid-auto-rows: 200px;
    }

    .mosaic-item.large,
    .mosaic-item.wide,
    .mosaic-item.tall {
        grid-column: span 1;
        grid-row: span 1;
    }

    .info-grid {
        grid-template-columns: 1fr;
    }

    .about-hero h1{
        font-size: 2.5em;
    }

    .stats-section {
        grid-template-columns: repeat(2, 1fr);
    }

    .reasons-grid {
        grid-template-columns: 1fr;
    }

    .hero-section,
    .about-section,
    .info-section,
    .contact-form-section,
    .contact-info-section,
    .map-section,
    .why-visit {
        padding: 32px 24px;
    }
}

.contact-hero {
    max-width: 1100px;
    margin: 0 auto;
    padding: 40px 20px;
    line-height: 1.6;
}

.info {
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    /* border: 1px solid rgba(255, 255, 255, 0.2); */
    margin-bottom: 30px;
}
    
.info h1 {
    color: #2c3e50;
    font-size: 2.5rem;
    margin-bottom: 20px;
    text-align: center;
    font-weight: 700;
    background: linear-gradient(135deg, #2c3e50, #3498db);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
    
        .info p {
            font-size: 1.1rem;
            color: #555;
            margin-bottom: 25px;
            text-align: center;
        }
    
        .info ul {
            list-style: none;
            padding: 0;
            margin: 30px 0;
        }
    
        .info li {
            background: #f8f9fa;
            padding: 15px 20px;
            margin: 10px 0;
            border-radius: 8px;
            border-left: 4px solid #3498db;
            transition: all 0.3s ease;
        }
    
        .info li:hover {
            background: #e3f2fd;
            transform: translateX(5px);
            box-shadow: 0 4px 12px rgba(52, 152, 219, 0.2);
        }
    
        .info strong {
            color: #2c3e50;
            font-weight: 600;
        }

@media screen and (max-width: 480px) {
    .carousel .list .item .intro .topic {
        font-size: 1.5em;
    }

    .carousel .list .item .intro .des {
        font-size: 0.9em;
    }

    .about-hero h1 {
        font-size: 2em;
    }

    .subtitle {
        font-size: 1.2em;
    }

    .stats-section {
        grid-template-columns: 1fr;
    }
}

#container3D {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    /* allow user to scroll */
    z-index: 0;
}


/* city file */
.must-see {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

.must-see h2 {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 50px;
    /* background: linear-gradient(#4cc9f0, #4361ee); */
    /* text-shadow: 0 5px 15px rgba(76, 201, 240, 0.3); */
}

.lists {
    position: relative;
    height: 80vh;
    overflow: hidden;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.item1 {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 50px;
    opacity: 0;
    transition: opacity 0.8s ease;
}

.item1.active {
    opacity: 1;
    pointer-events: auto;
}

.img1 {
    width: 100%;
    height: 400px;
    /* background-size: cover; */
    /* background-position: center; */
    border-radius: 16px;

    /* width: 50%; */
    /* height: 80%; */
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    position: relative;
}

.img1 ul {
    list-style: none;
    width: 100%;
    height: 100%;
    position: relative;
    margin: 0;
    padding: 0;
}

.img1 ul li {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    animation: imageRotate 10s infinite;
    /* margin: 0;
    padding: 0; */
}

.img1 ul li:nth-child(1) {
    animation-delay: 0s;
}
.img1 ul li:nth-child(2) {
    animation-delay: 2.5s;
}
.img1 ul li:nth-child(3) {
    animation-delay: 5s;
}
.img1 ul li:nth-child(4) {
    animation-delay: 7.5s;
}

@keyframes imageRotate {
    0% {
        opacity: 0;
        transform: scale(1.05);
    }
    10% {
        opacity: 1;
        transform: scale(1);
    }
    25% {
        opacity: 1;
        transform: scale(1);
    }
    35% {
        opacity: 0;
        transform: scale(1.05);
    }
    100% {
        opacity: 0;
        transform: scale(1.05);
    }
  
}

.img1 ul li img {
    width: 100%;
    height: 100%;
    object-fit: fill;
    /* object-position: center center; */
    /* display: block; */
}

.desc {
    width: 45%;
    padding: 20px;
}

.intro .title {
    font-size: 1.2rem;
    color: #4cc9f0;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.intro .topic {
    font-weight: 500;
    margin-bottom: 10px;
}

.intro .desc {
    font-size: 1em;
    line-height: 1.6;
    margin-bottom: 30px;
}

/* responsive */
@media screen and (max-width: 991px) {
    .item1 {
        flex-direction: column;
        padding: 0 20px;
        justify-content: center;
    }

    .img1 {
        width: 80%;
        height: 50%;
        border-radius: 20px;
        overflow: hidden;
        position: relative;
        display: flex;
        align-items: center;
        justify-content: center;
        /* margin-bottom: 30px; */
    }

    .desc {
        width: 80%;
        text-align: center;
    }

    .intro .topic {
        font-size: 2.5em;
    }

}
@media screen and (max-width: 767px) {
    .must-see h2 {
        font-size: 1.5rem;
    }

    .lists {
        height: 80vh;
    }
    .item1 {
        flex-direction: column;
        padding: 0 20px;
        justify-content: center;
    }

    .img1 {
        width: 90%;
        height: 45%;
        margin-bottom: 30px;
    }

    .desc {
        width:90%;
        text-align: center;
    }

    .intro .topic {
        font-size: 1.5em;
    }

}

/* book now file */
.container-form {
    display: flex;
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1.5rem;
    gap: 2rem;
}

.booking-form {
    flex: 1;
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
}

.booking-form h2 {
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
    border-bottom: 2px solid #e9ecef;
    padding-bottom: 0.5rem;
}

.form {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #495057;
}

input,select {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ced4da;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s, box-shadow 0.3s;
}

input:focus, select:focus {
    outline: none;
    /* border-color: #2c9c5c; */
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.05);
}

.submit-btn-form {
    background: black;
    color: white;
    border: none;
    padding: 14px 20px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 24px;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
    width: 100%;
    margin-top: 1rem;
}

.submit-btn-form:hover {
    background: linear-gradient(110deg, #4361ee 0%, #4cc9f0 100%);    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(44, 156, 92, 0.3);
}

.route-visualization {
    flex: 1;
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
    display: flex;
    flex-direction: column;
}

.route-visualization h3 {
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    border-bottom: 2px solid #e9ecef;
    padding-bottom: 0.5rem;
}

.route-map {
    flex: 1;
    background: #f8f9fa;
    border-radius: 8px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 350px;
}

.route-path {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: 400px;
}

.location {
    display: flex;
    align-items: center;
    margin: 0.8rem 0;
    width: 100%;
}

.location-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: black;
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.2rem;
    margin-right: 1rem;
    flex-shrink: 0;
}

.location-info {
    flex: 1;
    padding: 0.8rem 1rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
    border-left: 4px solid black;
}

.location-info h4 {
    color: black;
    margin-bottom: 0.3rem;
}

.location-info p {
    color: #6c757d;
    font-size: 0.9rem;
}

.connector {
    width: 2px;
    height: 30px;
    /* background: #2c9c5c; */
    margin-left: 25px;
}

.route-details {
    margin-top: 1.5rem;
    padding: 1rem;
    background: #e8f5e9;
    border-radius: 8px;
    border-left: 4px solid black;
}

.route-details h4 {
    margin-bottom: 0.5rem;
}

.message {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
    font-weight: 500;
}

.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

@media (max-width: 768px) {
    .container {
        flex-direction: column;
    }

    header {
        flex-direction: column;
        gap: 1rem;
    }

    nav {
        flex-wrap: wrap;
        justify-content: center;
    }
}