/* === GLOBAL HEADER (consistent across pages) === */

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(6px);
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.12), transparent 60%);
}

/* Prevent horizontal scroll globally */
html, body {
    overflow-x: hidden;
}

.left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand {
    font-weight: 700;
    color: var(--text);
    text-decoration: none;
    font-size: 18px;
}

.brand:hover {
    color: var(--accent);
}

/* =========================
   DESKTOP NAV
========================= */

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

.nav ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 18px;
}

.nav a {
    color: var(--muted);
    text-decoration: none;
    padding: 8px 10px;
    border-radius: 8px;
    transition: color 0.2s ease, background 0.2s ease;
}

.nav a:hover {
    color: var(--text);
    background: var(--glass);
}

.nav a.active {
    color: var(--accent);
    font-weight: 600;
}

/* =========================
   HAMBURGER BUTTON
========================= */

.nav-toggle {
    display: none;
    background: transparent;
    border: 0;
    cursor: pointer;
    padding: 6px;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text);
    margin: 4px 0;
    border-radius: 2px;
}

/* =========================
   MOBILE NAV
========================= */

@media (max-width: 768px) {

    .nav-toggle {
        display: block;
    }

    .nav {
        position: fixed;
        top: 64px;
        right: 0;
        width: 100%;
        background: var(--bg);
        transform: translateX(100%);
        transition: transform 0.25s ease;
        padding: 24px 0;
    }

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

    .nav ul {
        flex-direction: column;
        align-items: center;
        gap: 18px;
    }
}