/* ==============================
   HEADER
============================== */

.site-header {
    position: fixed;
    top: 16px;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 0 32px;
}

.header-container {
    max-width: 1280px;
    min-height: 66px;
    margin: 0 auto;
    padding: 8px 14px 8px 20px;

    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;

    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;

    background: rgba(6, 8, 20, 0.78);

    box-shadow:
        0 18px 50px rgba(0, 0, 0, 0.28),
        inset 0 1px 0 rgba(255, 255, 255, 0.04);

    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}

.site-logo {
    width: 205px;
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.site-logo img {
    width: 100%;
    height: auto;
    display: block;
}

.main-navigation {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
}

.main-navigation a {
    position: relative;
    padding: 10px 0;
    color: #b9c0d0;
    font-size: 14px;
    font-weight: 700;
    transition: color 0.2s ease;
}

.main-navigation a::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 2px;
    width: 0;
    height: 2px;
    border-radius: 999px;
    background: linear-gradient(
        90deg,
        #12cfff,
        #3475ff 52%,
        #a92cff
    );
    transform: translateX(-50%);
    box-shadow: 0 0 12px rgba(52, 117, 255, 0.45);
    transition: width 0.22s ease;
}

.main-navigation a:hover {
    color: #ffffff;
}

.main-navigation a:hover::after {
    width: 100%;
}

.header-cta {
    min-height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 22px;
    border: 1px solid rgba(51, 189, 255, 0.55);
    border-radius: 14px;
    background: linear-gradient(
        110deg,
        #12cfff,
        #3475ff 52%,
        #a92cff
    );
    color: #ffffff;
    font-size: 14px;
    font-weight: 800;
    white-space: nowrap;
    box-shadow:
        0 10px 28px rgba(35, 100, 255, 0.22),
        0 0 24px rgba(157, 43, 255, 0.15);
    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease;
}

.header-cta:hover {
    transform: translateY(-2px);
    box-shadow:
        0 14px 34px rgba(35, 100, 255, 0.3),
        0 0 30px rgba(157, 43, 255, 0.22);
}
.site-header {
    transition:
        top 0.25s ease,
        padding 0.25s ease;
}

.header-container {
    transition:
        min-height 0.25s ease,
        background 0.25s ease,
        border-color 0.25s ease,
        box-shadow 0.25s ease;
}

.site-header.is-scrolled {
    top: 8px;
}

.site-header.is-scrolled .header-container {
    min-height: 60px;
    background: rgba(4, 6, 16, 0.92);
    border-color: rgba(255, 255, 255, 0.14);
    box-shadow:
        0 14px 42px rgba(0, 0, 0, 0.38),
        0 0 24px rgba(75, 44, 255, 0.08);
}
/* ========================================
   HEADER RESPONSIVE
======================================== */

.menu-toggle {
    display: none;
    width: 46px;
    height: 46px;
    padding: 0;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.05);
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    margin: 4px auto;
    border-radius: 999px;
    background: #ffffff;
    transition:
        transform 0.3s ease,
        opacity 0.3s ease;
}

@media (max-width: 820px) {

    .header-container {
        position: relative;
        min-height: 74px;
        padding: 0 18px;
    }

    .site-logo img {
        width: 185px;
        height: auto;
    }

    .menu-toggle {
        display: block;
        margin-left: auto;
        position: relative;
        z-index: 20;
    }

    .header-cta {
        display: none;
    }

    .main-navigation {
        position: absolute;
        top: calc(100% + 12px);
        left: 18px;
        right: 18px;

        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 6px;

        padding: 14px;

        border: 1px solid rgba(255, 255, 255, 0.09);
        border-radius: 20px;

        background: rgba(4, 7, 18, 0.96);

        box-shadow:
            0 24px 60px rgba(0, 0, 0, 0.4),
            inset 0 1px 0 rgba(255, 255, 255, 0.04);

        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);

        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transform: translateY(-10px);

        transition:
            opacity 0.3s ease,
            visibility 0.3s ease,
            transform 0.3s ease;
    }

    .main-navigation a{

    opacity:0;

    transform:translateY(12px);

    transition:
        opacity .35s ease,
        transform .35s ease;

}

.site-header.menu-open .main-navigation a{

    opacity:1;

    transform:translateY(0);

}

.site-header.menu-open .main-navigation a:nth-child(1){
    transition-delay:.05s;
}

.site-header.menu-open .main-navigation a:nth-child(2){
    transition-delay:.10s;
}

.site-header.menu-open .main-navigation a:nth-child(3){
    transition-delay:.15s;
}

.site-header.menu-open .main-navigation a:nth-child(4){
    transition-delay:.20s;
}

.site-header.menu-open .main-navigation a:nth-child(5){
    transition-delay:.25s;
}
        width: 100%;
        padding: 14px 16px;
        border-radius: 12px;
        text-align: left;
    }

    .site-header.menu-open .main-navigation {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: translateY(0);
    }

    .site-header.menu-open .menu-toggle span:nth-child(1) {
        transform: translateY(6px) rotate(45deg);
    }

    .site-header.menu-open .menu-toggle span:nth-child(2) {
        opacity: 0;
    }

    .site-header.menu-open .menu-toggle span:nth-child(3) {
        transform: translateY(-6px) rotate(-45deg);
    }
}
.site-header::after{

    content:"";

    position:fixed;

    inset:0;

    background:rgba(2,5,15,.55);

    backdrop-filter:blur(4px);

    -webkit-backdrop-filter:blur(4px);

    opacity:0;

    visibility:hidden;

    transition:.3s;

    pointer-events:none;

    z-index:-1;

}

.site-header.menu-open::after{

    opacity:1;

    visibility:visible;

}
body.menu-open{

    overflow:hidden;

    height:100vh;

}