/* ============================================================
   AQUARUBIN — header.css   DARK THEME
   ============================================================ */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(16, 14, 32, 0.80);
    backdrop-filter: blur(24px) saturate(160%);
    -webkit-backdrop-filter: blur(24px) saturate(160%);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    transition: background 0.3s var(--ease-spring), box-shadow 0.3s, border-color 0.3s;
}

.site-header.scrolled {
    background: rgba(16, 14, 32, 0.96);
    border-bottom-color: rgba(0,128,255,0.15);
    box-shadow: 0 2px 24px rgba(0,0,0,0.6);
}

.header-inner {
    display: flex;
    align-items: center;
    gap: var(--space-8);
    height: 4.25rem;
    padding-inline: clamp(1.25rem, 4vw, 3rem);
}

/* --- Logo --- */
.header-logo { flex-shrink: 0; }

.site-logo-text {
    display: flex;
    align-items: baseline;
    gap: 1px;
    text-decoration: none;
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1;
}

.logo-aqua  { color: var(--clr-text); }
.logo-rubin { color: var(--clr-ruby); }

.custom-logo-link img {
    height: 38px;
    width: auto;
    display: block;
    filter: brightness(1.1);
}

/* --- Desktop Navigation --- */
.header-nav { flex: 1; }

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    list-style: none;
}

.nav-menu a {
    display: block;
    padding: 0.45em 0.9em;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--clr-text-muted);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: color 0.25s, background 0.25s;
}

.nav-menu a:hover,
.nav-menu .current-menu-item > a,
.nav-menu .current_page_item > a {
    color: var(--clr-text);
    background: rgba(255,255,255,0.06);
}

.nav-menu .current-menu-item > a {
    color: var(--clr-ruby);
    background: var(--clr-ruby-glow-sm);
}

.nav-menu .is-current > a {
    color: var(--clr-ruby);
    background: var(--clr-ruby-glow-sm);
}

/* Dropdown */
.nav-menu li { position: relative; }

.nav-menu .sub-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(-6px);
    min-width: 200px;
    background: var(--clr-bg-elevated);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    padding: var(--space-2);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s var(--ease-spring), transform 0.25s var(--ease-spring);
    z-index: 200;
    box-shadow: var(--shadow-card-lg);
}

.nav-menu li:hover > .sub-menu,
.nav-menu li:focus-within > .sub-menu {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}

.nav-menu .sub-menu a {
    display: block;
    padding: 0.5em 0.75em;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    color: var(--clr-text-muted);
}

.nav-menu .sub-menu a:hover { color: var(--clr-ruby); background: var(--clr-ruby-glow-sm); }

/* --- Header Actions --- */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-left: auto;
}

/* --- Account Icon --- */
.header-account {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: var(--radius-pill);
    border: 1px solid var(--clr-border);
    background: rgba(255,255,255,0.05);
    color: var(--clr-text-muted);
    flex-shrink: 0;
    transition: border-color 0.25s, background 0.25s, color 0.25s, transform 0.25s var(--ease-spring);
}

.header-account:hover {
    border-color: var(--clr-border-ruby);
    background: var(--clr-ruby-glow-sm);
    color: var(--clr-ruby);
    transform: translateY(-1px);
}

.header-account.is-logged-in {
    border-color: var(--clr-border-blue);
    color: var(--clr-blue-light);
}

.header-account.is-logged-in:hover {
    border-color: var(--clr-border-ruby);
    background: var(--clr-ruby-glow-sm);
    color: var(--clr-ruby);
}

/* --- Cart Icon --- */
.header-cart {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: 0.45em 0.85em;
    border-radius: var(--radius-pill);
    border: 1px solid var(--clr-border);
    background: rgba(255,255,255,0.05);
    box-shadow: none;
    transition: border-color 0.25s, background 0.25s, transform 0.25s var(--ease-spring);
    position: relative;
    color: var(--clr-text-muted);
    cursor: pointer;
    font-family: var(--font-sans);
}

.header-cart:hover {
    border-color: var(--clr-border-ruby);
    background: var(--clr-ruby-glow-sm);
    color: var(--clr-ruby);
    transform: translateY(-1px);
}

.cart-count {
    min-width: 18px;
    height: 18px;
    background: var(--clr-ruby);
    color: #fff;
    font-size: 0.65rem;
    font-weight: 700;
    border-radius: var(--radius-pill);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
    line-height: 1;
    transition: transform 0.3s var(--ease-spring);
}

.cart-count:not(.has-items) {
    background: rgba(255,255,255,0.10);
    color: var(--clr-text-faint);
}

/* --- Search Toggle (matches account icon) --- */
.header-search-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: var(--radius-pill);
    border: 1px solid var(--clr-border);
    background: rgba(255,255,255,0.05);
    color: var(--clr-text-muted);
    flex-shrink: 0;
    cursor: pointer;
    transition: border-color 0.25s, background 0.25s, color 0.25s, transform 0.25s var(--ease-spring);
}

.header-search-toggle:hover {
    border-color: var(--clr-border-blue);
    background: var(--clr-blue-glow);
    color: var(--clr-blue-light);
    transform: translateY(-1px);
}

.header-search-toggle[aria-expanded="true"] {
    border-color: var(--clr-border-blue);
    background: var(--clr-blue-glow);
    color: var(--clr-blue-light);
}

/* --- Search Bar — inline, expands in flow between the header bar and the
   shop-nav (pushes the page down instead of overlaying it) --- */
.header-search {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.35s var(--ease-spring);
}

.header-search.is-open {
    grid-template-rows: 1fr;
}

/* The single grid child clips its content while the row collapses to 0fr */
.header-search__panel {
    overflow: hidden;
    min-height: 0;
    background: rgba(20, 17, 40, 0.92);
}

.header-search.is-open .header-search__panel {
    border-bottom: 1px solid var(--clr-border-blue);
}

.header-search__inner {
    padding-block: var(--space-5);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

/* --- Search Form (shared) --- */
.aq-search-form {
    display: flex;
    align-items: center;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    transition: border-color 0.25s, box-shadow 0.25s, background 0.25s;
    overflow: hidden;
}

.aq-search-form:focus-within {
    border-color: var(--clr-border-blue);
    background: rgba(255,255,255,0.07);
    box-shadow: 0 0 0 3px var(--clr-blue-glow);
}

.aq-search-form__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    padding-left: var(--space-4);
    color: var(--clr-text-faint);
    flex-shrink: 0;
}

.aq-search-form:focus-within .aq-search-form__icon { color: var(--clr-blue-light); }

.aq-search-form__input {
    flex: 1;
    min-width: 0;
    background: transparent;
    border: none;
    outline: none;
    color: var(--clr-text);
    font-family: var(--font-sans);
    padding: 0 var(--space-3);
}

.aq-search-form__input::placeholder { color: var(--clr-text-faint); }
.aq-search-form__input::-webkit-search-cancel-button { -webkit-appearance: none; }

.aq-search-form__submit {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    flex-shrink: 0;
    border: none;
    background: var(--clr-blue);
    color: #fff;
    font-family: var(--font-sans);
    font-weight: 700;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.15s ease;
}

.aq-search-form__submit:hover { background: #1a7aff; }
.aq-search-form__submit:active { transform: scale(0.97); }
.aq-search-form__submit-icon { display: none; }

/* Header variant — large field */
.aq-search-form--header { border-radius: var(--radius-xl); }
.aq-search-form--header .aq-search-form__input {
    height: 56px;
    font-size: 1.05rem;
}
.aq-search-form--header .aq-search-form__icon svg { width: 22px; height: 22px; }
.aq-search-form--header .aq-search-form__submit {
    height: 56px;
    padding: 0 var(--space-6);
    font-size: 0.95rem;
}

/* Quick "beliebt" links */
.header-search__suggest {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-2) var(--space-3);
}

.header-search__suggest-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--clr-text-faint);
    letter-spacing: 0.02em;
}

.header-search__suggest-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    list-style: none;
    margin: 0;
    padding: 0;
}

.header-search__suggest-link {
    display: inline-block;
    padding: 0.3em 0.85em;
    border-radius: var(--radius-pill);
    border: 1px solid var(--clr-border);
    background: rgba(255,255,255,0.04);
    color: var(--clr-text-muted);
    font-size: 0.82rem;
    font-weight: 500;
    text-decoration: none;
    transition: border-color 0.2s, background 0.2s, color 0.2s, transform 0.2s var(--ease-spring);
}

.header-search__suggest-link:hover {
    border-color: var(--clr-border-blue);
    background: var(--clr-blue-glow);
    color: var(--clr-blue-light);
    transform: translateY(-1px);
}

@media (max-width: 600px) {
    .aq-search-form--header .aq-search-form__input { height: 50px; font-size: 1rem; }
    .aq-search-form--header .aq-search-form__submit { height: 50px; padding: 0 var(--space-4); }
    .aq-search-form__submit-text { display: none; }
    .aq-search-form__submit-icon { display: block; }
}

@media (prefers-reduced-motion: reduce) {
    .header-search { transition: none; }
}

/* --- Hamburger Toggle --- */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    border: 1px solid var(--clr-border);
    background: rgba(255,255,255,0.05);
    padding: 0;
    cursor: pointer;
    transition: border-color 0.25s, background 0.25s;
    position: relative;
}

.mobile-menu-toggle:hover {
    border-color: var(--clr-border-ruby);
    background: var(--clr-ruby-glow-sm);
}

.hamburger-bar {
    display: block;
    width: 18px;
    height: 1.5px;
    background: var(--clr-text-muted);
    border-radius: 2px;
    transform-origin: center;
    transition: transform 0.35s var(--ease-spring), opacity 0.25s, background 0.25s;
    position: absolute;
}

.bar-1 { transform: translateY(-5px); }
.bar-2 { transform: translateY(0); }
.bar-3 { transform: translateY(5px); }

.mobile-menu-toggle[aria-expanded="true"] .bar-1 { transform: rotate(45deg); background: var(--clr-ruby); }
.mobile-menu-toggle[aria-expanded="true"] .bar-2 { opacity: 0; transform: scaleX(0); }
.mobile-menu-toggle[aria-expanded="true"] .bar-3 { transform: rotate(-45deg); background: var(--clr-ruby); }

/* --- Mobile Overlay --- */
.mobile-overlay {
    position: fixed;
    inset: 0;
    z-index: 200;
    background: rgba(16, 14, 32, 0.97);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    display: flex;
    flex-direction: column;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s var(--ease-spring);
    overflow-y: auto;
}

.mobile-overlay.is-open {
    opacity: 1;
    pointer-events: auto;
}

.mobile-overlay__inner {
    display: flex;
    flex-direction: column;
    min-height: 100%;
    padding: var(--space-6) var(--space-6) var(--space-10);
}

.mobile-overlay__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: var(--space-8);
    border-bottom: 1px solid var(--clr-border);
    margin-bottom: var(--space-8);
}

.mobile-overlay__close {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    border: 1px solid var(--clr-border);
    background: rgba(255,255,255,0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--clr-text-muted);
    cursor: pointer;
    transition: border-color 0.25s, background 0.25s, color 0.25s;
}

.mobile-overlay__close:hover {
    border-color: var(--clr-border-ruby);
    background: var(--clr-ruby-glow-sm);
    color: var(--clr-ruby);
}

.mobile-nav {
    flex: 1;
    padding-top: var(--space-1);
}

.mobile-nav__eyebrow {
    display: block;
    margin-bottom: var(--space-2);
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--clr-text-faint);
}

.mobile-nav__menu {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.mobile-nav__menu a {
    display: block;
    font-size: 1.22rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--clr-text);
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--clr-border);
    transition: color 0.25s, padding-left 0.3s var(--ease-spring);
}

.mobile-nav__menu a:hover,
.mobile-nav__menu .current-menu-item > a {
    color: var(--clr-ruby);
    padding-left: var(--space-3);
}

.mobile-nav__menu .sub-menu { padding-left: var(--space-4); }
.mobile-nav__menu .sub-menu a { font-size: 1rem; font-weight: 600; color: var(--clr-text-muted); }

.mobile-overlay__footer { padding-top: var(--space-8); }

/* --- Staggered reveal for mobile menu items --- */
.mobile-nav__menu > li {
    opacity: 0;
    transform: translateY(16px);
    transition:
        opacity 0.4s var(--ease-out-expo),
        transform 0.4s var(--ease-out-expo);
}

.mobile-overlay.is-open .mobile-nav__menu > li { opacity: 1; transform: translateY(0); }
.mobile-overlay.is-open .mobile-nav__menu > li:nth-child(1) { transition-delay: 0.06s; }
.mobile-overlay.is-open .mobile-nav__menu > li:nth-child(2) { transition-delay: 0.10s; }
.mobile-overlay.is-open .mobile-nav__menu > li:nth-child(3) { transition-delay: 0.14s; }
.mobile-overlay.is-open .mobile-nav__menu > li:nth-child(4) { transition-delay: 0.18s; }
.mobile-overlay.is-open .mobile-nav__menu > li:nth-child(5) { transition-delay: 0.22s; }
.mobile-overlay.is-open .mobile-nav__menu > li:nth-child(6) { transition-delay: 0.26s; }

/* --- Responsive --- */
@media (max-width: 768px) {
    .header-nav { display: none; }
    .mobile-menu-toggle { display: flex; }
    .header-inner { gap: var(--space-4); }
}