/* ==========================================================================
   CAMSCO — Header & Navigation
   ========================================================================== */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: #fff;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 2px 12px rgba(0,0,0,.07);
}

.header-inner {
    display: flex;
    align-items: center;
    gap: 28px;
    height: 72px;
}

/* ---- Logo ---- */
.site-logo { display: flex; align-items: center; flex-shrink: 0; }
.site-logo img { width: 225px; height: auto; display: block; }

/* ---- Primary nav ---- */
.primary-nav { flex: 1; }

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2px;
    align-items: center;
}

.nav-menu > li > a {
    display: block;
    padding: 8px 13px;
    font-family: var(--font-heading);
    font-size: .8rem;
    font-weight: 600;
    letter-spacing: .04em;
    text-transform: uppercase;
    color: var(--body);
    text-decoration: none;
    border-radius: var(--radius);
    transition: color var(--transition), background var(--transition);
    white-space: nowrap;
}

.nav-menu > li > a:hover,
.nav-menu > .current-menu-item > a,
.nav-menu > .current-menu-ancestor > a {
    color: var(--primary);
    background: var(--lighter-bg);
}

/* Customize Your Tube — CTA pill */
.nav-menu > .menu-cta > a,
.nav-menu > li:first-child > a {
    background: var(--primary);
    color: #fff;
    padding: 9px 16px;
}
.nav-menu > .menu-cta > a:hover,
.nav-menu > li:first-child > a:hover {
    background: var(--primary-dark);
    color: #fff;
}

/* Dropdown */
.nav-menu .menu-item-has-children { position: relative; }

.nav-menu .sub-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 230px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    list-style: none;
    padding: 6px;
    padding-top: 12px;
    z-index: 200;
}

.nav-menu .menu-item-has-children:hover > .sub-menu,
.nav-menu .menu-item-has-children:focus-within > .sub-menu {
    display: block;
}

.nav-menu .sub-menu li a {
    display: block;
    padding: 8px 12px;
    font-family: var(--font-heading);
    font-size: .8rem;
    font-weight: 500;
    letter-spacing: 0;
    text-transform: none;
    color: var(--body);
    text-decoration: none;
    border-radius: 4px;
    transition: color var(--transition), background var(--transition);
}

.nav-menu .sub-menu li a:hover { color: var(--primary); background: var(--lighter-bg); }

/* ---- Header actions (icons) ---- */
.header-actions {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
}

.header-icon {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius);
    color: var(--body);
    text-decoration: none;
    transition: color var(--transition), background var(--transition);
}
.header-icon:hover { color: var(--primary); background: var(--lighter-bg); }

.cart-count,
.quote-count {
    position: absolute;
    top: 3px;
    right: 3px;
    min-width: 16px;
    height: 16px;
    background: var(--primary);
    color: #fff;
    font-size: .6rem;
    font-weight: 700;
    font-family: var(--font-heading);
    border-radius: 999px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 3px;
    line-height: 1;
    pointer-events: none;
}

/* ---- Mobile toggle ---- */
.nav-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: none;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--body);
    padding: 0;
    flex-shrink: 0;
}

.hamburger,
.hamburger::before,
.hamburger::after {
    display: block;
    width: 18px;
    height: 2px;
    background: currentColor;
    border-radius: 2px;
    transition: transform .2s;
}
.hamburger { position: relative; }
.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
}
.hamburger::before { top: -5px; }
.hamburger::after  { top:  5px; }

.nav-toggle[aria-expanded="true"] .hamburger { background: transparent; }
.nav-toggle[aria-expanded="true"] .hamburger::before { transform: rotate(45deg) translate(3px, 4px); }
.nav-toggle[aria-expanded="true"] .hamburger::after  { transform: rotate(-45deg) translate(3px, -4px); }

/* ---- Responsive ---- */
@media (max-width: 960px) {
    .nav-menu > li > a { padding: 8px 10px; font-size: .75rem; }
}

@media (max-width: 820px) {
    .nav-toggle { display: flex; }

    .primary-nav {
        display: none;
        position: absolute;
        top: 73px;
        left: 0;
        right: 0;
        background: #fff;
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow-md);
        z-index: 99;
        padding: 8px 24px 16px;
    }

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

    .nav-menu { flex-direction: column; align-items: stretch; gap: 0; }
    .nav-menu > li > a { font-size: .875rem; padding: 11px 8px; border-radius: 4px; }
    .nav-menu > li:first-child > a { margin-bottom: 4px; text-align: center; }

    .nav-menu .sub-menu {
        display: block;
        position: static;
        box-shadow: none;
        border: none;
        border-left: 3px solid var(--border);
        border-radius: 0;
        padding: 4px 0 4px 12px;
        margin: 0 0 4px;
    }

    .menu-item-has-children .sub-menu { display: none; }
    .menu-item-has-children.open .sub-menu { display: block; }
}