/* =========================
   HEADER OSBRIGHT PRO
========================= */

.os-header {

    position: fixed;

    top: 0;
    left: 0;

    width: 100%;

    z-index: 9999;

    transition: .4s ease;

    background:
        linear-gradient(
            to bottom,
            rgba(0,0,0,.92),
            rgba(0,0,0,.60)
        );

    backdrop-filter: blur(16px);

    border-bottom:
        1px solid rgba(154,195,28,.12);
}

/* =========================
   SCROLLED
========================= */

.os-header.scrolled {

    background:
        rgba(0,0,0,.95);

    border-bottom:
        1px solid rgba(154,195,28,.18);

    box-shadow:
        0 10px 35px rgba(0,0,0,.35);
}

/* =========================
   INNER
========================= */

.os-header-inner {

    display: flex;

    align-items: center;

    justify-content: space-between;

    gap: 40px;

    min-height: 96px;
}

/* =========================
   LOGO
========================= */

.os-logo {

    display: flex;

    align-items: center;

    flex-shrink: 0;
}

.os-logo img {

    width: auto;

    height: 58px;

    object-fit: contain;

    transition: .3s ease;
}

.os-logo:hover img {

    transform: scale(1.03);
}

/* =========================
   NAVIGATION
========================= */

.os-nav {

    display: flex;

    align-items: center;

    justify-content: center;

    flex: 1;
}

/* Menu */

.os-menu {

    display: flex;

    align-items: center;

    gap: 36px;

    list-style: none;

    margin: 0;
    padding: 0;
}

/* Items */

.os-menu li {

    position: relative;
}

/* Links */

.os-menu li a {

    position: relative;

    display: inline-block;

    color: var(--os-white);

    font-family: var(--os-title-font);

    font-size: 14px;

    font-weight: 400;

    text-transform: uppercase;

    letter-spacing: 1px;

    transition: var(--os-transition);
}

/* Hover */

.os-menu li a:hover {

    color: var(--os-green);
}

/* Underline */

.os-menu li a::after {

    content: '';

    position: absolute;

    left: 0;
    bottom: -8px;

    width: 0;

    height: 2px;

    background: var(--os-orange);

    transition: .3s ease;
}

.os-menu li a:hover::after {

    width: 100%;
}

/* =========================
   RIGHT SIDE
========================= */

.os-header-right {

    display: flex;

    align-items: center;

    gap: 16px;
}

/* =========================
   MOBILE BUTTON
========================= */

.os-mobile-toggle {

    display: none;

    width: 50px;
    height: 50px;

    border-radius: 14px;

    border:
        1px solid rgba(154,195,28,.22);

    background:
        rgba(255,255,255,.04);

    cursor: pointer;

    transition: .3s ease;
}

.os-mobile-toggle:hover {

    background:
        rgba(154,195,28,.08);
}

.os-mobile-toggle span {

    display: block;

    width: 24px;
    height: 2px;

    background: #fff;

    margin: 5px auto;

    transition: .3s ease;
}

/* =========================
   RESPONSIVE
========================= */

@media(max-width: 991px){

    .os-header-inner{

        min-height: 84px;
    }

    .os-logo img{

        height: 50px;
    }

    .os-mobile-toggle{
        display: block;
    }

    .os-nav{

        position: fixed;

        top: 84px;
        left: -100%;

        width: 100%;
        height: calc(100vh - 84px);

        background:
            rgba(0,0,0,.97);

        backdrop-filter: blur(18px);

        padding: 50px 30px;

        transition: .4s ease;
    }

    .os-nav.active{
        left: 0;
    }

    .os-menu{

        flex-direction: column;

        align-items: flex-start;

        gap: 26px;
    }

    .os-menu li a{

        font-size: 22px;
    }

    .os-btn{

        display: none;
    }

}