/* ==========================================================================
   GTA Theme — Header Styles
   ========================================================================== */

/* ---- Header Container ---- */

.gta-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: #000000;
    transition: box-shadow var(--transition-base);
}

.gta-header.is-scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4), 0 1px 0 rgba(204, 0, 0, 0.3);
}

/* ---- Top Bar ---- */

.gta-header__top {
    background-color: #000000;
    color: var(--color-white);
    height: var(--header-top-height);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.gta-header__top-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

/* Social Icons */

.gta-header__social {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.gta-header__social a {
    color: rgba(255, 255, 255, 0.8);
    display: inline-flex;
    align-items: center;
    transition: color var(--transition-fast);
}

.gta-header__social a:hover,
.gta-header__social a:focus-visible {
    color: var(--color-primary);
}

/* Cart Icon */

.gta-header__cart-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--fs-sm);
    transition: color var(--transition-fast);
}

.gta-header__cart-link:hover,
.gta-header__cart-link:focus-visible {
    color: var(--color-primary);
}

.gta-cart-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    font-size: 11px;
    font-weight: var(--fw-bold);
    line-height: 1;
    border-radius: var(--radius-full);
    background-color: rgba(255, 255, 255, 0.2);
    color: var(--color-white);
    transition: background-color var(--transition-fast);
}

.gta-cart-count.has-items {
    background-color: var(--color-primary);
    box-shadow: 0 0 8px rgba(204, 0, 0, 0.5);
}

/* ---- Main Bar ---- */

.gta-header__main {
    height: var(--header-main-height);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: height var(--transition-base), padding var(--transition-base);
}

.gta-header.is-scrolled .gta-header__main {
    height: 64px;
}

.gta-header.is-scrolled .gta-header__top {
    height: 0;
    overflow: hidden;
    opacity: 0;
    transition: height var(--transition-base), opacity var(--transition-fast);
}

.gta-header__main-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

/* Logo */

.gta-header__logo {
    flex-shrink: 0;
}

.gta-header__logo a {
    display: inline-flex;
    align-items: center;
}

.gta-header__logo img {
    max-height: 60px;
    width: auto;
    transition: max-height var(--transition-base);
}

.gta-header.is-scrolled .gta-header__logo img {
    max-height: 44px;
}

.gta-header__logo-img {
    max-height: 60px;
    width: auto;
    transition: max-height var(--transition-base);
}

.gta-header.is-scrolled .gta-header__logo-img {
    max-height: 44px;
}

.gta-header__site-name {
    font-family: var(--font-heading);
    font-size: var(--fs-xl);
    font-weight: var(--fw-extrabold);
    color: var(--color-white);
    text-decoration: none;
}

.gta-header__site-name:hover {
    color: var(--color-primary);
}

/* ---- Desktop Navigation ---- */

.gta-header__nav {
    display: none;
}

.gta-nav__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.gta-nav__list .menu-item a {
    font-family: var(--font-heading);
    font-size: var(--fs-sm);
    font-weight: var(--fw-semibold);
    color: rgba(255, 255, 255, 0.85);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--space-sm) 0;
    position: relative;
    transition: color var(--transition-fast);
}

.gta-nav__list .menu-item a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-base);
}

.gta-nav__list .menu-item a:hover::after,
.gta-nav__list .menu-item a:focus-visible::after,
.gta-nav__list .menu-item.current-menu-item a::after {
    width: 100%;
    box-shadow: 0 0 8px rgba(204, 0, 0, 0.5);
}

.gta-nav__list .menu-item a:hover,
.gta-nav__list .menu-item a:focus-visible,
.gta-nav__list .menu-item.current-menu-item a {
    color: var(--color-white);
}

.gta-nav__list .menu-item a::after {
    background-color: var(--color-primary);
}

/* Sub-menu */

.gta-nav__list .sub-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    list-style: none;
    padding: var(--space-sm) 0;
    margin: 0;
    background-color: #111111;
    border-radius: var(--radius-md);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    min-width: 200px;
    z-index: 100;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.gta-nav__list .menu-item:hover > .sub-menu {
    display: block;
}

.gta-nav__list .sub-menu .menu-item a {
    display: block;
    padding: var(--space-sm) var(--space-lg);
    text-transform: none;
    letter-spacing: 0;
    font-size: var(--fs-sm);
}

.gta-nav__list .sub-menu .menu-item a::after {
    display: none;
}

.gta-nav__list .sub-menu .menu-item a:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

/* ---- Mobile Menu Toggle ---- */

.gta-header__toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 10px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.gta-header__toggle-bar {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-white);
    border-radius: 2px;
    transition: transform var(--transition-base), opacity var(--transition-fast);
}

/* Hamburger to X animation */
.gta-header__toggle[aria-expanded="true"] .gta-header__toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.gta-header__toggle[aria-expanded="true"] .gta-header__toggle-bar:nth-child(2) {
    opacity: 0;
}

.gta-header__toggle[aria-expanded="true"] .gta-header__toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ---- Mobile Menu ---- */

.gta-mobile-menu {
    display: none;
    background-color: #0A0A0A;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    overflow: hidden;
    max-height: 0;
    transition: max-height var(--transition-slow);
}

.gta-mobile-menu.is-open {
    display: block;
    max-height: 500px;
}

.gta-mobile-menu__list {
    list-style: none;
    margin: 0;
    padding: var(--space-md) 0;
}

.gta-mobile-menu__list .menu-item a {
    display: block;
    padding: var(--space-md) var(--space-lg);
    font-family: var(--font-heading);
    font-size: var(--fs-base);
    font-weight: var(--fw-semibold);
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    transition: color var(--transition-fast), background-color var(--transition-fast);
}

.gta-mobile-menu__list .menu-item:last-child a {
    border-bottom: none;
}

.gta-mobile-menu__list .menu-item a:hover,
.gta-mobile-menu__list .menu-item a:focus-visible {
    color: var(--color-primary);
    background-color: rgba(255, 255, 255, 0.04);
}

.gta-mobile-menu__list .menu-item.current-menu-item a {
    color: var(--color-primary);
}

/* Mobile sub-menu */

.gta-mobile-menu__list .sub-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.gta-mobile-menu__list .sub-menu .menu-item a {
    padding-left: calc(var(--space-lg) + var(--space-lg));
    font-size: var(--fs-sm);
    font-weight: var(--fw-regular);
}

/* ---- Desktop Breakpoint ---- */

@media (min-width: 992px) {
    .gta-header__nav {
        display: block;
    }

    .gta-header__toggle {
        display: none;
    }

    .gta-mobile-menu {
        display: none !important;
    }

    .gta-nav__list .menu-item {
        position: relative;
    }
}