:root {
    --nav-text: #fff;
    --nav-accent: #c5a059;
    --nav-bg-desktop: rgba(10, 18, 24, 0.35);
    --nav-bg-mobile: #0f1c26;
}

.site-nav {
    box-sizing: border-box;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1500;
    width: 100%;
    padding: 14px 22px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    backdrop-filter: blur(10px);
    background: var(--nav-bg-desktop);
}

.brand {
    text-decoration: none;
    color: var(--nav-text);
    font-family: 'Ysabeau SC', sans-serif;
    font-size: 1.25rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    white-space: nowrap;
}

.menu {
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
}

.menu li {
    list-style: none;
}

.menu li a {
    text-decoration: none;
    color: var(--nav-text);
    font-family: 'Ysabeau SC', sans-serif;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: 999px;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.menu li a:hover,
.menu li a:focus-visible {
    background-color: rgba(255, 255, 255, 0.16);
}

.menu li a.active {
    background-color: var(--nav-accent);
    color: #fff;
}

.nav-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    width: 42px;
    height: 42px;
    border-radius: 10px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    margin: 5px auto;
    background: #fff;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.menu-overlay {
    display: none;
}

@media (max-width: 840px) {
    .site-nav {
        padding: 12px 16px;
    }

    .nav-toggle {
        display: inline-block;
        z-index: 1700;
    }

    .menu {
        position: fixed;
        top: 0;
        right: 0;
        width: min(280px, 85vw);
        height: 100vh;
        padding: 90px 22px 24px;
        background: var(--nav-bg-mobile);
        box-shadow: -6px 0 30px rgba(0, 0, 0, 0.25);
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
        transform: translateX(100%);
        transition: transform 0.28s ease;
        z-index: 1650;
    }

    .menu li a {
        display: block;
        border-radius: 10px;
    }

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

    .menu-overlay {
        display: block;
        position: fixed;
        inset: 0;
        border: none;
        background: rgba(0, 0, 0, 0.45);
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.25s ease;
        z-index: 1600;
    }

    .site-nav.nav-open .menu-overlay {
        opacity: 1;
        pointer-events: auto;
    }

    .site-nav.nav-open .nav-toggle span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

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

    .site-nav.nav-open .nav-toggle span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }
}