/* ──────────────────────────────────────────────
   ProTemplate2 • Navbar (THEME-READY)
   Uses global vars: --primary-bg, --text-color, --accent, --accent-2
   Fallbacks keep existing look if vars are missing.
   ────────────────────────────────────────────── */

/* --- plumber navbar --- */
.plumber-nav {
    /* local aliases for readability */
    --_bg: var(--primary-bg, #ffffff);
    --_text: var(--text-color, #0d0d0d);
    --_accent: var(--accent, #0072c6);
    --_accent2: var(--accent-2, #39a1ff);
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--_bg);
    /* soft shadow that adapts to theme */
    box-shadow: 0 1px 4px color-mix(in srgb, var(--_text) 10%, transparent);
    border-bottom: 1px solid color-mix(in srgb, var(--_text) 6%, transparent);
    backdrop-filter: saturate(120%) blur(6px);
    -webkit-backdrop-filter: saturate(120%) blur(6px);
}

.nav-wrap {
    max-width: 1200px;
    margin: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .5rem 1.25rem;
    color: var(--_text);
}

.nav-logo img {
    height: 48px;
}

/* Desktop menu */
.nav-menu ul {
    display: flex;
    gap: 1.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-link {
    text-decoration: none;
    font-weight: 600;
    color: color-mix(in srgb, var(--_text) 92%, transparent);
    transition: color .2s ease, text-shadow .2s ease;
}

    .nav-link:hover,
    .nav-link:focus-visible {
        color: var(--_accent);
        text-shadow: 0 0 8px color-mix(in srgb, var(--_accent) 40%, transparent);
        outline: none;
    }

/* CTA button */
.btn-cta {
    padding: .5rem 1.25rem;
    background: linear-gradient(135deg, var(--_accent), var(--_accent2));
    color: #fff;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    box-shadow: 0 6px 16px color-mix(in srgb, var(--_accent) 45%, transparent);
    transition: transform .2s ease, box-shadow .2s ease, filter .2s ease;
}

    .btn-cta:hover {
        transform: translateY(-2px);
        filter: brightness(1.05);
        box-shadow: 0 10px 22px color-mix(in srgb, var(--_accent) 60%, transparent);
    }

/* Mobile */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        inset: 0 0 0 auto;
        width: 260px;
        background: color-mix(in srgb, var(--_bg) 92%, #0000);
        border-left: 1px solid color-mix(in srgb, var(--_text) 10%, transparent);
        display: flex;
        flex-direction: column;
        padding-top: 4rem;
        transform: translateX(100%);
        transition: transform .3s ease;
        box-shadow: -8px 0 18px color-mix(in srgb, var(--_text) 12%, transparent);
        backdrop-filter: blur(8px);
        -webkit-backdrop-filter: blur(8px);
    }

        .nav-menu ul {
            flex-direction: column;
            gap: 1rem;
            padding: 0 1.25rem;
        }

    .burger {
        cursor: pointer;
        display: block;
    }

        .burger span {
            display: block;
            width: 22px;
            height: 2px;
            margin: 5px 0;
            background: var(--_text);
            transition: transform .3s ease, opacity .3s ease;
        }

    /* Toggle */
    .burger-toggle:checked ~ .nav-menu {
        transform: translateX(0);
    }
}