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

body {
    background: #f7f7f7;
    color: #333;
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: auto;
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(0,0,0,0.7);
    color: #fff;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 40px;
    z-index: 1000;
}

.logo {
    font-size: 28px;
    font-weight: bold;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 25px;
}

    .nav-links a {
        color: #fff;
        text-decoration: none;
        transition: 0.3s;
    }

        .nav-links a:hover {
            color: #ffd369;
        }

.search-box {
    display: flex;
}

    .search-box input {
        padding: 8px;
        border: none;
        border-radius: 10px 0 0 10px;
    }

    .search-box button {
        border: none;
        background: #ff9800;
        color: #fff;
        padding: 8px 12px;
        border-radius: 0 8px 8px 0;
    }

.hero-slider {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
}

.slide {
    position: absolute;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

    .slide.active {
        opacity: 1;
    }

.slide-content {
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.4);
    display: flex;
    justify-content: center;
    align-items: center;
}

    .slide-content h1 {
        color: #fff;
        font-size: 60px;
        text-align: center;
    }

.slider-controls {
    position: absolute;
    width: 100%;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 30px;
    z-index: 10;
}

    .slider-controls button {
        width: 55px;
        height: 55px;
        border: none;
        border-radius: 50%;
        background: rgba(255,255,255,0.25);
        color: #fff;
        font-size: 22px;
        cursor: pointer;
        backdrop-filter: blur(5px);
        transition: 0.3s;
    }

        .slider-controls button:hover {
            background: #ff9800;
            transform: scale(1.1);
        }

@media(max-width:768px) {

    .slider-controls {
        padding: 0 15px;
    }

        .slider-controls button {
            width: 45px;
            height: 45px;
            font-size: 18px;
        }
    .navbar{
        padding:8px 15px;
    }
}

.section-main {
    padding: 20px 0;
}

.section {
    padding: 150px 0;
    margin-top: 40px;
}

.bg-light {
    background: #fff;
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
}

    .section-title h2 {
        font-size: 30px;
        color: #1b4332;
    }

.intro-apps {
    display: grid;
    grid-template-columns: repeat(auto-fit,minmax(250px,1fr));
    gap: 25px;
    margin-top: 60px;
}

.app-box {
    background: #fff;
    padding: 35px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

    .app-box i {
        font-size: 45px;
        color: #2d6a4f;
        margin-bottom: 20px;
    }
    .app-box a {
        color: #000;
        text-decoration: none;
    }

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit,minmax(250px,1fr));
    gap: 25px;
}

.three-col {
    grid-template-columns: repeat(auto-fit,minmax(300px,1fr));
}

.card {
    background: #fff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transition: 0.3s;
}

    .card:hover {
        transform: translateY(-5px);
    }

    .card img {
        width: 100%;
        height: 230px;
        object-fit: cover;
    }

.card-content {
    padding: 20px;
}
.card-content h3 {
    font-size:15px;
}

.btn {
    display: inline-block;
    margin-top: 10px;
    background: #2d6a4f;
    color: #fff;
    padding: 10px 18px;
    border-radius: 5px;
    text-decoration: none;
}

footer {
    background: #1b4332;
    color: #fff;
    padding: 40px 0;
    background-image: url(/Image/bg-footer.png);
    overflow: hidden;
    background-size: cover;
    padding-bottom:30px;
}


.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
   
}

.detail-banner img,
.detail-image {
    width: 100%;
    border-radius: 12px;
}

.detail-page {
    padding: 120px 0 80px;
}

.meta {
    margin: 20px 0;
    display: flex;
    gap: 20px;
}

.social-actions {
    margin-top: 30px;
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

    .social-actions button {
        padding: 10px 18px;
        border: none;
        background: #2d6a4f;
        color: #fff;
        border-radius: 6px;
    }

.album-card {
    background: #fff;
    border-radius: 15px;
    overflow: hidden;
    text-decoration: none;
    color: #333;
}

    .album-card img {
        width: 100%;
        height: 250px;
        object-fit: cover;
    }

    .album-card h3 {
        padding: 15px;
    }

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit,minmax(250px,1fr));
    gap: 20px;
}

    .gallery-grid img {
        width: 100%;
        height: 250px;
        object-fit: cover;
        border-radius: 12px;
        cursor: pointer;
    }

.lightbox {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.9);
}

.lightbox-content {
    display: block;
    margin: 5% auto;
    max-width: 80%;
}

.close {
    position: absolute;
    top: 20px;
    right: 35px;
    color: #fff;
    font-size: 40px;
    cursor: pointer;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit,minmax(250px,1fr));
    gap: 25px;
}

.video-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
}

    .video-card img {
        width: 100%;
    }

    .video-card h3 {
        padding: 15px;
    }

.video-modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.85);
}

.video-content {
    position: relative;
    width: 80%;
    max-width: 900px;
    margin: 5% auto;
}

    .video-content iframe {
        width: 100%;
        height: 500px;
    }

.close-video {
    position: absolute;
    right: -10px;
    top: -40px;
    color: #fff;
    font-size: 40px;
    cursor: pointer;
}

.menu-toggle {
    display: none;
    font-size: 28px;
    cursor: pointer;
}

/* Hiệu ứng Fade In */
.fade-in {
    opacity: 0;
    transform: translateY(40px);
    transition: all 1s ease;
}

    .fade-in.show {
        opacity: 1;
        transform: translateY(0);
    }

@media(max-width:768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: #1b4332;
        flex-direction: column;
        padding: 20px;
    }

        .nav-links.active {
            display: flex;
        }

    .menu-toggle {
        display: block;
    }

    .search-box {
        display: none;
    }

    .slide-content h1 {
        font-size: 36px;
        padding: 0 20px;
    }

    .video-content iframe {
        height: 300px;
    }
}



/*Lien ket phia duoi*/

.destination-slider-section {
    padding: 80px 0;
    background: #fff;
}

.destination-wrapper {
    position: relative;
    overflow: hidden;
}

.destination-slider {
    overflow: hidden;
}

.destination-track {
    display: flex;
    transition: transform .6s ease;
}

.destination-card {
    min-width: 25%;
    padding: 10px;
    text-decoration: none;
    position: relative;
}

    .destination-card img {
        width: 100%;
        height: 180px;
        border-radius: 16px;
        box-shadow: 0 8px 20px rgba(0,0,0,.15);
    }

    .destination-card span {
        position: absolute;
        bottom: 25px;
        left: 25px;
        color: white;
        font-size: 20px;
        font-weight: bold;
        text-shadow: 0 2px 10px rgba(0,0,0,.8);
    }

.destination-prev,
.destination-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    border: none;
    border-radius: 50%;
    background: #2d6a4f;
    color: white;
    z-index: 20;
    cursor: pointer;
}

.destination-prev {
    left: -10px;
}

.destination-next {
    right: -10px;
}

    .destination-prev:hover,
    .destination-next:hover {
        background: #ff9800;
    }

@media(max-width:992px) {

    .destination-card {
        min-width: 50%;
    }
}

@media(max-width:768px) {

    .destination-card {
        min-width: 100%;
    }
}


/*La co va ngon ngu*/

.language-switcher {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-right: 20px;
}

.lang-btn {
    width: 38px;
    height: 28px;
    border-radius: 4px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid transparent;
    transition: 0.3s;
}

    .lang-btn img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .lang-btn:hover {
        transform: scale(1.1);
    }

    .lang-btn.active {
        border: 2px solid #ff9800;
        box-shadow: 0 0 10px rgba(255,152,0,.5);
    }