body {
    font-family: "Open Sans", sans-serif
}
:root {
    --c-gray: #e4e4e4;
    --c-dark: #000000d9;
    --c-light-dark: #4d4f51f5;
    --c-dark-gray: #727272;
    --c-light-gray: #b3b3b3;
    --light-blue: #0085A1;
    --dark-blue: #1c6270;
}
ul {
    list-style: none;
}
::-webkit-scrollbar {
    width: 5px
}
::-webkit-scrollbar-track {
    background-color: var(--c-gray);
}
::-webkit-scrollbar-thumb {
    background-color: var(--c-light-gray);
    border-radius: 10px;
}
.c-gry {
    color: var(--c-gray);
}
.c-dark {
    color: var(--c-dark);
}
.bg-dark {
    background-color: var(--c-dark);
}
.bg-dark:hover {
    background-color: var(--c-light-dark) !important;
}
.c-dark-gray {
    color: var(--c-dark-gray);
}
.c-light-dark {
    color: var(--c-light-dark);
}
.bg-light-blue {
    background-color: var(--light-blue);
}
.bg-light-blue:hover {
    background-color: var(--dark-blue);
}
.c-light-blue {
    color: var(--light-blue);
}
.c-light-blue:hover {
    color: var(--dark-blue);
}
a {
    text-decoration: none;
}
.fs-head {
    font-size: 3rem;
    font-weight: 800;
}
.fw-600 {
    font-weight: 800;
}
.font-gupter {
    font-family: "Gupter", serif;
}
.overlay-sec::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: #00000075;
}
.sec-padding {
    padding: 60px 0
}
.article-a:hover {
    color: var(--light-blue)
}
.mx-800 {
    width: 100%;
}
.w-h-50 {
    width: 50px !important;
    height: 50px !important;
    display: flex;
    justify-content: center;
    align-items: center;
}
.text-large {
    font-size: 1.1rem
}

/* Navbar */
.nav-user * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
.nav-user {
    --nav-gray: #505050;
    --nav-white: #fff;
    --nav-link-hover: #1b5d6a;
    --nav-link-active: #0085A1;
    background-color: #fff;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    z-index: 99;
    height: 65px;
}
.nav-user a {
    font-weight: bold;
    padding: 15px;
    font-size: 1.2rem;
    text-decoration: none;
    color: var(--nav-gray);
} 
.nav-user a:hover {
    color: #7c7c7c
}
.nav-user .logo {
    font-weight: 800;
}
.nav-user > .toggler {
    font-size: 3.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: transparent;
    color: var(--nav-gray);
    border-radius: 5px;
    cursor: pointer;
    width: 50px;
    height: 40px;
    margin-right: 10px;
    border: none;
}
.nav-user > .toggler .bx {
    transition: 0.3s;
}
.nav-user > .toggler:hover {
    color: #7c7c7c;
}
.nav-user > .toggler.active {
    color: rgb(215, 0, 0)
}
.nav-user .main-list {
    position: absolute;
    top: 65px;
    left: 0;
    background-color: var(--nav-white);
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 10px;
    list-style: none;
    transition: 0.3s;
    height: 0;
    overflow: hidden;
}
.nav-user .main-list.active {
    padding: 15px 0;
    height: 255.2px;
}
.nav-user .main-list a {
    padding: 12px 15px;
    display: block;
    color: var(--c-dark);
    transition: 0.3s;
}
.nav-user .main-list a:not(.active):hover {
    color: var(--nav-link-hover);
}
.nav-user .main-list a.active {
    color: var(--nav-link-active);
}
.overlay {
    background-color: #00000052;
    position: fixed;
    top: 0;
    left: 0;
    width: 0;
    height: 0;
}
.overlay.active {
    width: 100%;
    height: 100vh;
}

/* Landing Section */
#landing {
    /* height: 400px; */
    height: calc(100svh - 65px);
    background: no-repeat url('../images/home-bg.jpg'); 
    background-size: cover;
    background-attachment: fixed;
}
#landing .bx-down-arrow-alt {
    bottom: 20px;
    transition: 0.3s;
    cursor: pointer;
    animation: animate-arrow 1s infinite alternate;
}
#landing .bx-down-arrow-alt:hover {
    background-color: var(--light-blue) !important;
    animation-play-state: paused;
}
@keyframes animate-arrow {
    0% {
        bottom: 40px;
    }
    100% {
        bottom: 15px;
    }
}


@media (min-width: 992px) {
    .text-large {
        font-size: 1.3rem
    }
    /* Navbar */
    .nav-user .toggler {
        display: none;
    }
    .nav-user .main-list {
        position: relative;
        flex-direction: row;
        align-items: center;
        width: auto;
        top: 0;
        right: 0;
        height: 100%;
        padding: 0;
        background-color: transparent;
        padding-right: 10px;
    }
    .nav-user .main-list a {
        color: var(--nav-gray);
    }
    .nav-user .main-list a.active {
        scale: 1.1;
    }
    /* Landing */
    #landing {
        height: calc(100vh - 65px);
        min-height: calc(700px - 65px);
        max-height: calc(900px - 65px);
    }
    .fs-head {
        font-size: 3.7rem;
    }
    .mx-800 {
        width: 880px;
    }
}