/* ==========================================================================
   Header — Sticky, glass blur, dropdown, mobile menu
   ========================================================================== */

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    transition: all 0.3s ease;
    background: transparent;
}
.site-header.scrolled {
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    background: color-mix(in oklab, var(--htl-bg) 70%, transparent);
    border-bottom: 1px solid var(--htl-border);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 4rem;
}
@media (min-width: 768px) {
    .header-inner { height: 5rem; }
}

/* Logo */
.header-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--htl-font-display);
    font-weight: 700;
    font-size: 1.125rem;
    text-decoration: none;
    color: var(--htl-fg);
}
.header-logo__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 0.5rem;
    background: color-mix(in oklab, var(--htl-primary) 15%, transparent);
    color: var(--htl-primary);
    font-family: var(--htl-font-mono);
    font-size: 0.875rem;
}

/* Desktop nav */
.header-nav {
    display: none;
    align-items: center;
    gap: 1.75rem;
    font-size: 0.875rem;
}
@media (min-width: 1024px) {
    .header-nav { display: flex; }
}
.header-nav a {
    color: var(--htl-nav-text);
    text-decoration: none;
    transition: color 0.2s ease;
}
.header-nav a:hover,
.header-nav a.active { color: var(--htl-primary); }

/* Services & Company dropdowns */
.services-dropdown, .company-dropdown {
    position: relative;
}
.services-dropdown__trigger, .company-dropdown__trigger {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    cursor: pointer;
    background: none;
    border: none;
    color: inherit;
    font: inherit;
    padding: 0;
}
.services-dropdown__chevron, .company-dropdown__chevron {
    width: 0.875rem;
    height: 0.875rem;
    transition: transform 0.2s ease;
}
.services-dropdown.open .services-dropdown__chevron,
.company-dropdown.open .company-dropdown__chevron {
    transform: rotate(180deg);
}
.services-dropdown__menu, .company-dropdown__menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    padding-top: 0.75rem;
    width: 16rem;
    z-index: 60;
}
.services-dropdown.open .services-dropdown__menu,
.company-dropdown.open .company-dropdown__menu {
    display: block;
}
.services-dropdown__menu-inner, .company-dropdown__menu-inner {
    border-radius: var(--htl-radius);
    padding: 0.5rem;
    box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5);
}
[data-theme="light"] .services-dropdown__menu-inner,
[data-theme="light"] .company-dropdown__menu-inner {
    box-shadow: 0 10px 30px -5px rgba(0,0,0,0.1);
}
.services-dropdown__link, .company-dropdown__link {
    display: block;
    padding: 0.625rem 1rem;
    font-size: 0.875rem;
    border-radius: 0.5rem;
    transition: background-color 0.2s ease, color 0.2s ease;
}
.services-dropdown__link:hover, .company-dropdown__link:hover {
    background: color-mix(in oklab, var(--htl-primary) 10%, transparent);
    color: var(--htl-primary);
}

/* Header right actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.header-icon-btn {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: none;
    color: var(--htl-fg);
    cursor: pointer;
    transition: background-color 0.2s ease;
}
.header-icon-btn:hover { background-color: var(--htl-muted); }
.header-icon-btn svg { width: 1rem; height: 1rem; }

/* Cart badge */
.cart-badge {
    position: absolute;
    top: -0.25rem;
    right: -0.25rem;
    width: 1.25rem;
    height: 1.25rem;
    border-radius: 9999px;
    background-color: var(--htl-gold);
    color: var(--htl-gold-fg);
    font-size: 0.625rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease;
}

/* Get a Quote button */
.btn-get-quote {
    display: none;
}
@media (min-width: 768px) {
    .btn-get-quote { display: inline-flex; }
}

/* Mobile menu toggle */
.mobile-menu-toggle {
    display: flex;
}
@media (min-width: 1024px) {
    .mobile-menu-toggle { display: none; }
}

/* Mobile nav */
.mobile-nav {
    display: none;
    border-top: 1px solid var(--htl-border);
    background: color-mix(in oklab, var(--htl-bg) 95%, transparent);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}
.mobile-nav.open { display: block; }
@media (min-width: 1024px) {
    .mobile-nav { display: none !important; }
}
.mobile-nav__inner {
    padding: 1rem 0;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}
.mobile-nav a {
    display: block;
    padding: 0.625rem 0.75rem;
    border-radius: 0.5rem;
    transition: background-color 0.2s ease;
}
.mobile-nav a:hover { background-color: var(--htl-muted); }
.mobile-nav__label {
    padding: 0.5rem 0.75rem;
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--htl-muted-fg);
    letter-spacing: 0.05em;
    margin-top: 0.5rem;
}