.site-header {
    padding: 20px 0 0;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.logo {
    font-size: 30px;
    font-weight: 800;
    letter-spacing: -0.05em;
    color: var(--logo-color, #fff);
    text-decoration: none;
}

.nav {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav a {
    color: var(--nav-link, rgba(246, 242, 234, 0.72));
    text-decoration: none;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    transition: color .2s ease, opacity .2s ease;
}

.nav a:hover,
.nav a[aria-current="page"] {
    color: var(--nav-link-hover, #fff);
}

.nav a.nav-emphasis {
    padding: 12px 18px;
    border-radius: 999px;
    border: 1px solid var(--nav-emphasis-border, rgba(255, 255, 255, 0.14));
    background: var(--nav-emphasis-bg, rgba(255, 255, 255, 0.04));
    color: var(--nav-emphasis-text, #fff7ea);
    box-shadow: var(--nav-emphasis-shadow, inset 0 1px 0 rgba(255, 255, 255, 0.12));
}

.nav a.nav-emphasis:hover {
    color: var(--nav-link-hover, #fff);
    border-color: color-mix(in srgb, var(--nav-emphasis-border, rgba(255, 255, 255, 0.14)) 72%, var(--nav-link-hover, #fff));
    transform: translateY(-1px);
}

.topbar-controls {
    display: none;
    align-items: center;
    gap: 10px;
}

.menu-btn {
    display: none;
    width: 42px;
    height: 42px;
    border: 1px solid var(--line, rgba(255, 255, 255, 0.08));
    border-radius: 50%;
    background: transparent;
    color: var(--menu-color, #fff);
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.menu-btn span,
.menu-btn span::before,
.menu-btn span::after {
    display: block;
    width: 18px;
    height: 2px;
    background: currentColor;
    position: relative;
    content: "";
}

.menu-btn span::before {
    position: absolute;
    top: -6px;
    left: 0;
}

.menu-btn span::after {
    position: absolute;
    top: 6px;
    left: 0;
}

.mobile-nav {
    display: none;
    padding: 12px 0 0;
}

.mobile-nav.open {
    display: block;
}

.mobile-nav a {
    display: block;
    padding: 12px 0;
    border-top: 1px solid var(--mobile-border, rgba(255, 255, 255, 0.08));
    color: var(--mobile-link, rgba(246, 242, 234, 0.74));
    text-decoration: none;
    font-weight: 600;
}

.mobile-nav a[aria-current="page"] {
    color: var(--nav-link-hover, #fff);
}

.mobile-nav a.nav-emphasis {
    margin-top: 12px;
    padding: 14px 16px;
    border: 1px solid var(--nav-emphasis-border, rgba(255, 255, 255, 0.14));
    border-radius: 18px;
    background: var(--nav-emphasis-bg, rgba(255, 255, 255, 0.04));
    color: var(--nav-emphasis-text, #fff7ea);
}

@media (max-width: 960px) {
    .nav {
        display: none;
    }

    .topbar-controls {
        display: flex;
    }

    .menu-btn {
        display: inline-flex;
    }
}

@media (max-width: 720px) {
    .logo {
        font-size: 26px;
    }

    .topbar {
        gap: 12px;
    }

    .topbar-controls {
        gap: 8px;
    }

    .theme-toggle-mobile-bar {
        min-width: 0;
    }
}