:root {
    --slide-menu-primary: #00bfd8;
    --slide-menu-secondary: #FFF3D6;
    --slide-menu-light: #222;
    --slide-menu-dark: #000000;
}

:root {
    --default-font: "Roboto", system-ui, -apple-system, "Segoe UI", Roboto,
        "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif,
        "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
    --heading-font: "Raleway", sans-serif;
    --nav-font: "Inter", sans-serif;
}

:root {
    --background-color: #ffffff;
    --default-color: #444444;
    --heading-color: #273d4e;
    --accent-color: #00bfd8;
    --surface-color: #ffffff;
    --contrast-color: #ffffff;
}

:root {
    --nav-color: #e5eaee;
    --nav-hover-color: #ff4a17;
    --nav-mobile-background-color: #ffffff;
    --nav-dropdown-background-color: #ffffff;
    --nav-dropdown-color: #444444;
    --nav-dropdown-hover-color: #ff4a17;
}

.light-background {
    --background-color: #f1f4fa;
    --surface-color: #ffffff;
}

:root {
    scroll-behavior: smooth;
}

a {
    color: var(--accent-color);
    text-decoration: none !important;
    transition: 0.3s;
}

a:hover {
    color: color-mix(in srgb, var(--accent-color), transparent 25%);
    text-decoration: none;
}

/* 上方導覽列 */

.header {
    --background-color: rgba(0, 0, 0, 0);
    --default-color: #ffffff;
    --heading-color: #ffffff;
    color: var(--default-color);
    background-color: var(--background-color);
    padding: 20px 0;
    transition: all 0.5s;
    z-index: 997;
}

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

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

.header .logo h1 {
    font-size: 30px;
    margin: 0;
    font-weight: 700;
    color: var(--heading-color);
}

.header .cta-btn,
.header .cta-btn:focus {
    color: var(--contrast-color);
    font-size: 13px;
    padding: 7px 25px;
    margin: 0 0 0 30px;
    border-radius: 4px;
    transition: 0.3s;
    text-transform: uppercase;
    border: 2px solid var(--contrast-color);
}

.header .cta-btn:hover,
.header .cta-btn:focus:hover {
    color: var(--contrast-color);
    background: var(--accent-color);
    border-color: var(--accent-color);
}

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

    .header .cta-btn {
        order: 2;
        margin: 0 15px 0 0;
        padding: 6px 15px;
    }

    .header .navmenu {
        order: 3;
    }
}

@media (max-width: 850px) {
    .header .logo h1 {
        font-size: 24px;
    }
}

@media (max-width: 768px) {
    .header .logo h1 {
        font-size: 24px;
        margin: 0;
        font-weight: 700;
        color: var(--heading-color);
    }
}

.scrolled .header {
    box-shadow: 0px 0 18px rgba(0, 0, 0, 0.1);
}

/* Global Header on Scroll
------------------------------*/
.scrolled .header {
    --background-color: rgba(21, 34, 43, 0.85);
}

@media (min-width: 769px) {
    .mobile-nav-toggle {
        display: none;
    }

    .navmenu {
        padding: 0;
    }

    .navmenu ul {
        margin: 0;
        padding: 0;
        display: flex;
        list-style: none;
        align-items: center;
    }

    .navmenu li {
        position: relative;
    }

    .navmenu>ul>li {
        white-space: nowrap;
        padding: 15px 14px;
    }

    .navmenu>ul>li:last-child {
        padding-right: 0;
    }

    .navmenu a,
    .navmenu a:focus {
        color: var(--nav-color);
        font-size: 18px;
        padding: 0 2px;
        font-family: var(--nav-font);
        font-weight: 500;
        display: flex;
        align-items: center;
        justify-content: space-between;
        white-space: nowrap;
        transition: 0.3s;
        position: relative;
        text-transform: uppercase;
    }

    .navmenu a i,
    .navmenu a:focus i {
        font-size: 12px;
        line-height: 0;
        margin-left: 5px;
        transition: 0.3s;
    }

    .navmenu>ul>li>a:before {
        content: "";
        position: absolute;
        height: 2px;
        bottom: -6px;
        left: 0;
        background-color: var(--nav-hover-color);
        visibility: hidden;
        width: 0px;
        transition: all 0.3s ease-in-out 0s;
    }

    .navmenu a:hover:before,
    .navmenu li:hover>a:before,
    .navmenu .active:before {
        visibility: visible;
        width: 100%;
    }

    .navmenu li:hover>a,
    .navmenu .active,
    .navmenu .active:focus {
        color: color-mix(in srgb, var(--nav-color) 90%, white 15%);
    }

    .navmenu .dropdown ul {
        margin: 0;
        padding: 10px 0;
        background: var(--nav-dropdown-background-color);
        display: block;
        position: absolute;
        visibility: hidden;
        left: 14px;
        top: 130%;
        opacity: 0;
        transition: 0.3s;
        border-radius: 4px;
        z-index: 99;
        box-shadow: 0px 0px 30px rgba(0, 0, 0, 0.1);
    }

    .navmenu .dropdown ul li {
        min-width: 200px;
    }

    .navmenu .dropdown ul a {
        padding: 10px 20px;
        font-size: 15px;
        text-transform: none;
        color: var(--nav-dropdown-color);
    }

    .navmenu .dropdown ul a i {
        font-size: 12px;
    }

    .navmenu .dropdown ul a:hover,
    .navmenu .dropdown ul .active:hover,
    .navmenu .dropdown ul li:hover>a {
        color: var(--nav-dropdown-hover-color);
    }

    .navmenu .dropdown:hover>ul {
        opacity: 1;
        top: 100%;
        visibility: visible;
    }

    .navmenu .dropdown .dropdown ul {
        top: 0;
        left: -90%;
        visibility: hidden;
    }

    .navmenu .dropdown .dropdown:hover>ul {
        opacity: 1;
        top: 0;
        left: -100%;
        visibility: visible;
    }
}

@media (max-width: 768px) {
    .mobile-nav-toggle {
        display: block;
        color: var(--nav-color);
        font-size: 28px;
        line-height: 0;
        margin-right: 10px;
        cursor: pointer;
        transition: color 0.3s;
    }

    .navmenu {
        padding: 0;
        z-index: 9997;
    }

    .navmenu ul {
        display: none;
        list-style: none;
        position: absolute;
        inset: 60px 20px 20px 20px;
        padding: 10px 0;
        margin: 0;
        border-radius: 6px;
        background-color: var(--nav-mobile-background-color);
        border: 1px solid color-mix(in srgb, var(--default-color), transparent 90%);
        box-shadow: none;
        overflow-y: auto;
        transition: 0.3s;
        z-index: 9998;
    }

    .navmenu a,
    .navmenu a:focus {
        color: var(--nav-dropdown-color);
        padding: 20px 20px;
        font-family: var(--nav-font);
        font-size: 24px;
        font-weight: 700;
        margin-block: 40px;
        margin-inline: auto;
        border-bottom: 1px solid #444;
        width: 70%;
        letter-spacing: 2px;
        display: flex;
        align-items: center;
        justify-content: center;
        white-space: nowrap;
        transition: 0.3s;
    }

    .navmenu a i,
    .navmenu a:focus i {
        font-size: 12px;
        line-height: 0;
        margin-left: 5px;
        width: 30px;
        height: 30px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 50%;
        transition: 0.3s;
        background-color: color-mix(in srgb, var(--accent-color), transparent 90%);
    }

    .navmenu a i:hover,
    .navmenu a:focus i:hover {
        background-color: var(--accent-color);
        color: var(--contrast-color);
    }

    .navmenu a:hover,
    .navmenu .active,
    .navmenu .active:focus {
        color: var(--nav-dropdown-hover-color);
    }

    .navmenu .active i,
    .navmenu .active:focus i {
        background-color: var(--accent-color);
        color: var(--contrast-color);
        transform: rotate(180deg);
    }

    .navmenu .dropdown ul {
        position: static;
        display: none;
        z-index: 99;
        padding: 10px 0;
        margin: 10px 20px;
        background-color: var(--nav-dropdown-background-color);
        transition: all 0.5s ease-in-out;
    }

    .navmenu .dropdown ul ul {
        background-color: rgba(33, 37, 41, 0.1);
    }

    .navmenu .dropdown>.dropdown-active {
        display: block;
        background-color: rgba(33, 37, 41, 0.03);
        width: 75%;
        margin-inline: auto;
    }

    .mobile-nav-active {
        overflow: hidden;
    }

    .mobile-nav-active .mobile-nav-toggle {
        color: #fff;
        position: absolute;
        font-size: 32px;
        top: 15px;
        right: 15px;
        margin-right: 0;
        z-index: 9999;
    }

    .mobile-nav-active .navmenu {
        position: fixed;
        overflow: hidden;
        inset: 0;
        background: rgba(33, 37, 41, 0.8);
        transition: 0.3s;
    }

    .mobile-nav-active .navmenu>ul {
        display: block;
    }

    .mobile-nav-active .start-tour {
        display: none;
    }

    .mobile-nav-active .sidebar-toggler-container {
        display: none;
    }
}