/* ===== Navigation ===== */
.site-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    padding: 1.5rem 3rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: background 0.3s, border-color 0.3s;
}

.site-nav.scrolled {
    background: rgba(8, 8, 12, 0.85);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--border);
}

.nav-logo {
    font-family: 'Syne', system-ui, sans-serif;
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--white);
    text-decoration: none;
    letter-spacing: -0.03em;
    text-transform: lowercase;
}

.nav-logo:hover { text-decoration: none; }

.logo-slash {
    color: var(--amber);
    font-weight: 700;
    margin: 0 -0.05em;
}

/* Desktop nav links */
.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    font-size: 0.85rem;
    font-weight: 400;
    color: var(--muted-light);
    text-decoration: none;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--white);
    text-decoration: none;
}

.nav-cta {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--black);
    background: var(--amber);
    padding: 0.6rem 1.5rem;
    border-radius: 100px;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 20px var(--amber-glow);
    text-decoration: none;
}

/* Hamburger */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    min-width: 44px;
    min-height: 44px;
    align-items: center;
    justify-content: center;
}

.nav-toggle-bar {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: transform 0.2s, opacity 0.2s;
}

/* Mobile nav */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

@media (max-width: 768px) {
    .site-nav {
        padding: 1.25rem 1.5rem;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        padding: 1.5rem;
        background: rgba(8, 8, 12, 0.95);
        backdrop-filter: blur(24px);
        -webkit-backdrop-filter: blur(24px);
        border-bottom: 1px solid var(--border);
        gap: 0;
    }

    .nav-menu.nav-open {
        display: flex;
    }

    .nav-links {
        flex-direction: column;
        gap: 0;
        width: 100%;
    }

    .nav-links a {
        display: block;
        padding: 0.75rem 0;
        font-size: 0.95rem;
        border-bottom: 1px solid var(--border);
    }

    .nav-links li:last-child a {
        border-bottom: none;
    }

    .nav-cta {
        margin-top: 1rem;
        text-align: center;
        display: block;
    }
}