:root {
    --primary-green: #A0ED41;   /* ярко‑салатовый из макета */
    --dark-bg: #000;           /* основной тёмный фон */
    --text-light: #ffffff;
    --text-muted: #cccccc;
    --header-height: 72px;
}

/* --------- Base Reset for header --------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: black;
    height: var(--header-height);
    display: flex;
    align-items: center;
    box-shadow: 0 1px 3px rgba(0,0,0,.6);
}

/* container helper already defined globally */
.site-header .container {
    width: 100%;
    margin: 0 auto;
    padding: 0 0 0 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: white;
    font-weight: 600;
}


/* --------- Navigation --------- */
.main-nav ul {
    list-style: none;
    display: flex;
    gap: 32px;
    margin: 0;
    padding: 0;
}

.main-nav a {
    color: var(--text-light);
    text-decoration: none;
    font-size: 16px;
    position: relative;
    padding-bottom: 4px;
    transition: color .2s ease-in-out;
}

.main-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0%;
    height: 2px;
    background: var(--primary-green);
    transition: width .2s ease-in-out;
}

.main-nav a:hover,
.main-nav a:focus {
    color: var(--primary-green);
}

.main-nav a:hover::after,
.main-nav a:focus::after {
    width: 100%;
}

/* --------- Header controls --------- */
.header-controls {
    display: flex;

}


.lang-switch .arrow {
    font-size: 12px;
    margin-left: 4px;
}

/* CTA button */
.btn.cta {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    background: var(--primary-green);
    color: #000;
    border-radius: 0;
    font-weight: 600;
    height: 72px;
    padding: 0 20px;
    box-shadow: 0 0 16px rgba(196,255,79,.6);
    transition: background .2s, box-shadow .2s;
}

.btn.cta:hover {
    background: #d4ff72;
    box-shadow: 0 0 24px rgba(196,255,79,.8);
}


/* Mail icon placeholder */
.icon-mail {
    width: 18px;
    height: 18px;
    display: inline-block;
}
/* --------- Burger (mobile) --------- */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.menu-toggle span,
.menu-toggle span::before,
.menu-toggle span::after {
    content: '';
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-light);
    border-radius: 1px;
    transition: transform .3s ease-in-out;
}

.menu-toggle span::before,
.menu-toggle span::after {
    position: relative;
}

.menu-toggle span::before { top: -6px; }
.menu-toggle span::after  { top:  4px; }

/* --------- Responsive --------- */
@media (max-width: 991px) {
    .main-nav {
        position: fixed;
        top: var(--header-height);
        left: 0;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background: var(--dark-bg);
        transform: translateX(-100%);
        transition: transform .3s ease-in-out;
        padding: 40px 24px;
    }

    .main-nav.open { transform: translateX(0); }

    .main-nav ul {
        flex-direction: column;
        gap: 24px;
    }

    .header-controls {
        gap: 16px;
    }

    .menu-toggle {
        display: block;
    }

    .header-controls {
        display: none;
    }
}

/* Extra small */
@media (max-width: 600px) {
    .btn.cta {
        padding: 10px 16px;
        font-size: 14px;
    }

    .site-header .container {
        padding: 0 16px;
    }
}