:root {
    --mainColor: #94C120;
}

body,
html {
    margin: 0;
    padding: 0;
    height: 100%;
}

html {
    scroll-behavior: smooth;
}

.background-white {
    background: linear-gradient(to right, #e4faffe6, #ffffffab);
}

.text-justify {
    text-align: justify !important
}

.fs18 {
    font-size: 18px;
}

.fs40 {
    font-size: 40px;
}

.pr150 {
    padding-right: 150px;
}

a {
    text-decoration: none;
    background-color: transparent;
}

img {
    object-fit: cover;
    aspect-ratio: 1/1;
}

li {
    list-style-type: none;
}

ul li a[href^="#section-"] {
    color: black;
}

ul li a[href^="#section-"]:hover {
    color: yellow;
    font-style: italic;
}

#back-to-top {
    display: none;
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 99;
    font-size: 18px;
    border: none;
    outline: none;
    background-color: #f1c40f;
    color: white;
    cursor: pointer;
    padding: 10px 15px;
    border-radius: 4px;
}

#back-to-top:hover {
    background-color: #555;
}

.navbar {
    position: fixed;
    height: 40px;
    width: 37%;
    right: 15px;
    margin-top: 40px;
    background: linear-gradient(to left, #c78d3c, #e0aa4c, #f1c060);
    z-index: 999;
}

.nav-item .nav-link {
    display: flex;
    align-items: center;
    margin-right: 2em;
}

.nav-lang {
    display: flex;
    align-items: center;
    padding: 0 0 6px;
}

.text-title {
    position: absolute;
    pointer-events: none;
    bottom: 15%;
    font-family: Arial, sans-serif;
    font-weight: 900;
    font-size: 80px;
    color: white;
    line-height: 1.2;
    text-align: center;
    --x-offset: -5px;
    --y-offset: 0px;
    --stroke: 0.025em;
    --background-color: yellow;
    --stroke-color: lightblue;
    text-shadow:
        var(--x-offset) var(--y-offset) 0px var(--background-color),
        calc(var(--x-offset)) calc(var(--y-offset)) 0px;
    -webkit-text-stroke: 2px black;
}

#background-index {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url(../images/homePage.jpg);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-color: black;
    z-index: -1;
    image-rendering: auto;
}

.container-fluid {
    scroll-snap-type: y mandatory;
    overflow-y: scroll;
    height: 100vh;
    width: 100%;
    scrollbar-width: none;
    -ms-overflow-style: none;
    scroll-behavior: smooth;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

section {
    height: 100vh;
    scroll-snap-align: start;
    position: relative;
}

.section-contact {
    padding-top: 100px;
}

.lazy-section {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
    will-change: opacity, transform;
}

.lazy-section[data-loaded="false"] {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.lazy-section[data-loaded="true"] {
    opacity: 1;
    transform: translateY(0);
}

.aboutUs {
    position: relative;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.background-aboutUs {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: url(../images/aboutUs.png);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: -1;
}

.background-aboutUs-Vision {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: url(../images/aboutUs-vision.jpg);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: -2;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    padding-bottom: 14%;
}

.logo img {
    width: 350px;
    height: auto;
}

.box {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 500px;
    /* Tăng chiều cao */
    background: #51443bc4;
    clip-path: path("M0,0 C500,200 1500,100 2540,250 L2540,500 L0,500 Z");
    -webkit-clip-path: path("M0,0 C500,200 1500,100 2540,250 L2540,500 L0,500 Z");
    display: flex;
    justify-content: center;
    align-items: center;
    padding-top: 5%;
    z-index: 1;
}

.box-vision {
    position: absolute;
    width: 36%;
    height: 50%;
    padding-top: 4%;
    top: 0;
    right: 0;
    z-index: 1;
    background: url('../images/icon/surve.svg') no-repeat center;
    background-size: cover;
}

.text-catalog {
    pointer-events: none;
    font-size: 60px;
    font-weight: 600;
    padding-right: 80px;
}

.and {
    font-family: "Informal Roman", cursive;
    font-size: 5rem;
    color: #d4a755;
    font-size: 100px;
    font-weight: lighter;
    padding-right: 150px;
}

.text-color-yellow {
    color: rgb(233, 233, 97);
    text-align: justify;
}

@media (max-width: 375px) {
   .fs-1 {
        font-size: 23px !important;
    }
    .pr150 {
        padding-right: 45px;
    }

    nav.navbar {
        width: 100%;
        font-size: 8px;
    }

    .nav-lang img {
        width: 24px !important;
        height: 12px !important;
    }

    .navbar-nav .nav-link {
        padding: 0.3rem 0.6rem;
        margin-right: 0;
    }

    .nav-lang {
        display: flex;
        align-items: center;
        padding: 0;
    }

    .text-catalog {
        pointer-events: none;
        font-size: 22px;
        font-weight: 600;
        padding-right: 20px;
        padding-top: 50px;
    }

    .box-vision {
        position: absolute;
        width: 60%;
        height: 32%;
        padding-top: 12%;
        top: 0;
        right: 0;
        z-index: 1;
        background: url('../images/icon/surve.svg') no-repeat center;
        background-size: cover;
    }

    .and {
        font-family: "Informal Roman", cursive;
        font-size: 5rem;
        color: #d4a755;
        font-size: 50px;
        font-weight: lighter;
        padding-right: 50px;
    }
}

@media (min-width: 376px) and (max-width: 768px) {
    .pr150 {
        padding-right: 45px;
    }

    nav.navbar {
        width: 100%;
        font-size: 10px;
    }

    .nav-lang img {
        width: 24px !important;
        height: 12px !important;
    }

    .navbar-nav .nav-link {
        padding: 0.3rem 0.6rem;
    }

    .navbar-nav .nav-link {
        padding: 0.3rem 0.6rem;
        margin-right: 10px;
    }

    .text-catalog {
        pointer-events: none;
        font-size: 35px;
        font-weight: 600;
        padding-right: 20px;
        padding-top: 5px;
    }

    .box-vision {
        position: absolute;
        width: 55%;
        height: 35%;
        padding-top: 10%;
        top: 0;
        right: 0;
        z-index: 1;
        background: url('../images/icon/surve.svg') no-repeat center;
        background-size: cover;
    }

    .and {
        font-family: "Informal Roman", cursive;
        font-size: 5rem;
        color: #d4a755;
        font-size: 50px;
        font-weight: lighter;
        padding-right: 50px;
    }

    @media (min-width: 376px) and (max-width: 425px) {
        .text-catalog {
            pointer-events: none;
            font-size: 30px;
            font-weight: 600;
            padding-right: 20px;
            padding-top: 40px;
        }
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .pr150 {
        padding-right: 45px;
    }

    nav.navbar {
        width: 60%;
        font-size: 12px;
    }

    .nav-lang img {
        width: 26px;
        height: 13px;
    }

    .navbar-nav .nav-link {
        padding: 0.4rem 1rem;
        display: inline-block;
    }

    .box-vision {
        position: absolute;
        width: 55%;
        height: 47%;
        padding-top: 8%;
        top: 0;
        right: 0;
        z-index: 1;
        background: url('../images/icon/surve.svg') no-repeat center;
        background-size: cover;
    }

    .text-catalog {
        pointer-events: none;
        font-size: 50px;
        font-weight: 600;
        padding-right: 20px;
        padding-top: 5px;
    }

    .and {
        font-family: "Informal Roman", cursive;
        font-size: 5rem;
        color: #d4a755;
        font-size: 75px;
        font-weight: lighter;
        padding-right: 90px;
    }
}


@media (min-width: 1025px) and (max-width: 1440px) {
    .pr150 {
        padding-right: 45px;
    }

    nav.navbar {
        width: 45%;
        font-size: 0.85rem;
    }

    .nav-lang img {
        width: 26px;
        height: 13px;
    }

    .navbar-nav .nav-link {
        padding: 0.4rem 1rem;
        display: inline-block;
    }

    .box-vision {
        position: absolute;
        width: 43%;
        height: 45%;
        padding-top: 6%;
        top: 0;
        right: 0;
        z-index: 1;
        background: url('../images/icon/surve.svg') no-repeat center;
        background-size: cover;
    }

    .text-catalog {
        pointer-events: none;
        font-size: 50px;
        font-weight: 600;
        padding-right: 50px;
        padding-top: 5px;
    }

    .and {
        font-family: "Informal Roman", cursive;
        font-size: 5rem;
        color: #d4a755;
        font-size: 75px;
        font-weight: lighter;
        padding-right: 90px;
    }
}