:root {
    scroll-behavior: smooth;
}

:root {
    --header-scrolled50-background-color: #44444487;
    --header-scrolled-background-color: #444444;
    --scroll-color: #444444;
    --preloader-background-color: white;
    --preloader-color: #444444;
}

/*--------------------------------------------------------------
# Global Header
--------------------------------------------------------------*/
.header {
    padding: 15px 0;
    transition: all 0.5s;
    z-index: 997;
}

.headerBGFadeColor {
    background-color: var(--header-scrolled50-background-color);
}

.headerBGColor {
    background-color: var(--header-scrolled-background-color);
}

.headerLogo {
    color: white;
    text-decoration: none;
}

.header .logo {
    line-height: 1;
}

.header .logo img {
    max-height: 36px;
    margin-right: 8px;
}

@media (max-width: 1200px) {
    .header .logo {
        order: 1;
    }

    .header .navmenu {
        order: 3;
    }
}

/* Index Page Header on Scroll
  ------------------------------*/
.index-page.scrolled .header {
    background-color: var(--headbar-scrolled-background-color);
}

.containerBackground {
    display: flex;
    min-height: 589px;
    width: 100%;
    background: url('../img/background.jpg') no-repeat center center;
    background-size: cover;
    justify-content: center;
    align-items: center;
    position: relative;
}

.containerBackground::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    /* สีดำพร้อม opacity 50% */
    z-index: 1;
}

.containerBackground>* {
    position: relative;
    z-index: 2;
    /* เพื่อให้องค์ประกอบลูกอยู่บนพื้นหลัง */
}

.hero h3 {
    animation: heroTextFadeIn 2s ease-in forwards, heroTextHold 8s 2s forwards, heroTextFadeOut 1s 9s forwards;
}

@keyframes heroImageFade {
    0% {
        opacity: .25;
    }

    100% {
        opacity: 1;
    }
}

@keyframes heroTextFadeIn {
    from {
        opacity: 0;
        transform: translate3d(0, -100%, 0);
    }

    to {
        opacity: 1;
        transform: translate3d(0, 0, 0);
    }
}

@keyframes heroTextFadeOut {
    from {
        opacity: 1;
        transform: translate3d(0, 0, 0);
    }

    to {
        opacity: 0;
        transform: translate3d(0, 0, 0);
    }
}


/*--------------------------------------------------------------
# Scroll Top Button
--------------------------------------------------------------*/
.scroll-top {
    position: fixed;
    visibility: hidden;
    opacity: 0;
    right: 15px;
    bottom: 15px;
    background-color: var(--scroll-color);
    width: 40px;
    height: 40px;
    border-radius: 4px;
    transition: all 0.4s;
}

.scroll-top i {
    font-size: 24px;
    color: white;
    line-height: 0;
}

.scroll-top:hover {
    background-color: color-mix(in srgb, var(--scroll-color), transparent 20%);
    color: white;
}

.scroll-top.active {
    visibility: visible;
    opacity: 1;
}

.containerHexagon {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 5px;
    justify-items: center;
    align-items: center;
    position: relative;
    width: 100%;
    margin: auto;
}

.hexagon {
    width: 234.19px;
    height: 202.82px;
    clip-path: polygon(25% 0%, 75% 0%, 100% 50%, 75% 100%, 25% 100%, 0% 50%);
    overflow: hidden;
    position: relative;
    z-index: 1;
}

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

.hexagon:nth-child(2) {
    grid-column: 2;
    margin-top: -100px;
    margin-left: -32px;
    margin-right: -32px;
}

.hexagon:nth-child(1),
.hexagon:nth-child(3) {
    grid-column: span 1;
}


/*--------------------------------------------------------------
# Preloader
--------------------------------------------------------------*/
#preloader {
    position: fixed;
    inset: 0;
    z-index: 999999;
    overflow: hidden;
    background: var(--preloader-background-color);
    transition: all 0.6s ease-out;
}

#preloader:before {
    content: "";
    position: fixed;
    top: calc(50% - 30px);
    left: calc(50% - 30px);
    border: 6px solid #ffffff;
    border-color: var(--preloader-color) transparent var(--preloader-color) transparent;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    animation: animate-preloader 1.5s linear infinite;
}

@keyframes animate-preloader {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

html {
    font-size: 16px;
    /* 1 rem = 16px */
}

@media (max-width: 1200px) {
    html {
        font-size: 18px;
        /* 1 rem = 18px */
    }
}

@media (max-width: 992px) {
    html {
        font-size: 20px;
        /* 1 rem = 20px */
    }
}

@media (max-width: 768px) {
    html {
        font-size: 22px;
        /* 1 rem = 22px */
    }
}

@media (max-width: 576px) {
    html {
        font-size: 24px;
        /* 1 rem = 24px */
    }
}