/* ── SITE HEADER ── */
.site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 20px 40px;
    display: flex;
    align-items: center;
    mix-blend-mode: difference;
    transition: background 0.3s ease;
}

.site-header.scrolled {
    mix-blend-mode: normal;
    background: rgba(10,10,10,0.95);
    border-bottom: 1px solid #3a3a3a;
    padding: 14px 40px;
}

.site-header__inner {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.site-header__logo {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 22px;
    letter-spacing: 3px;
    color: #f2f0eb;
    text-decoration: none;
}

.site-header__logo span { color: #c0392b; }

.site-header__nav {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-menu {
    list-style: none;
    display: flex;
    gap: 32px;
}

.nav-menu a {
    font-family: 'DM Mono', monospace;
    font-size: 11px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: rgba(242,240,235,0.6);
    text-decoration: none;
    transition: color 0.2s;
}

.nav-menu a:hover { color: #f2f0eb; }

.site-header__cta {
    font-family: 'DM Mono', monospace;
    font-size: 11px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #f2f0eb;
    text-decoration: none;
    border-bottom: 1px solid #c0392b;
    padding-bottom: 2px;
}

/* Mobile toggle */
.site-header__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    padding: 4px;
    cursor: none;
}

.site-header__toggle span {
    display: block;
    width: 24px;
    height: 1px;
    background: #f2f0eb;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

@media (max-width: 780px) {
    .site-header { padding: 16px 24px; }
    .site-header.scrolled { padding: 12px 24px; }
    .site-header__toggle { display: flex; }

    .site-header__nav {
        position: fixed;
        top: 0; left: 0; right: 0; bottom: 0;
        background: #0a0a0a;
        flex-direction: column;
        justify-content: center;
        gap: 32px;
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.3s ease;
        z-index: 99;
    }

    .site-header__nav.open {
        opacity: 1;
        pointer-events: all;
    }

    .nav-menu {
        flex-direction: column;
        align-items: center;
        gap: 24px;
    }

    .nav-menu a {
        font-size: 13px;
        letter-spacing: 3px;
    }
}