/* ============================================================
   KeXoT Shop — Header / Navigation
   ============================================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-height);
    background: rgba(8, 12, 20, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border-subtle);
    transition: all var(--transition-base);
}

.header.scrolled {
    background: rgba(8, 12, 20, 0.97);
    border-bottom-color: var(--border-card);
    box-shadow: 0 4px 30px rgba(0,0,0,0.5);
}

.header-inner {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-xl);
}

/* --- Logo --- */
.logo {
    display: flex;
    flex-direction: column;
    line-height: 1;
    text-decoration: none;
    flex-shrink: 0;
    position: relative;
}

.logo-main {
    font-family: 'Outfit', sans-serif;
    font-size: 1.75rem;
    font-weight: 900;
    letter-spacing: -0.04em;
    background: var(--grad-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    line-height: 1;
    text-shadow: none;
    position: relative;
}

.logo-main::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--grad-brand);
    border-radius: var(--radius-full);
    opacity: 0.6;
}

.logo-sub {
    font-family: 'Inter', sans-serif;
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.35em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-top: 3px;
    padding-left: 1px;
}

.logo:hover .logo-main {
    filter: brightness(1.1);
}

/* --- Navigation --- */
.nav {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 0.5rem 0.9rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    background: var(--bg-glass);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--brand-primary);
    border-radius: var(--radius-full);
}

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

.nav-item .nav-link.has-dropdown::after {
    content: '▾';
    display: inline-block;
    margin-left: 4px;
    font-size: 0.75rem;
    transition: transform var(--transition-fast);
    bottom: auto;
    width: auto;
    height: auto;
    background: none;
    position: static;
    transform: none;
}

.nav-item:hover .nav-link.has-dropdown::after {
    transform: rotate(180deg);
}

.nav-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-lg);
    padding: 0.5rem;
    min-width: 220px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: all 0.2s ease;
    transform: translateX(-50%) translateY(-6px);
}

.nav-item:hover .nav-dropdown {
    opacity: 1;
    visibility: visible;
    pointer-events: all;
    transform: translateX(-50%) translateY(0);
}

.nav-dropdown a {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.6rem 0.85rem;
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.nav-dropdown a:hover {
    background: var(--bg-glass-hover);
    color: var(--text-primary);
}

.nav-dropdown a span.icon {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-sm);
    background: var(--bg-glass);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}

/* --- Header Actions --- */
.header-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}

/* Search Bar */
.search-wrap {
    position: relative;
    display: flex;
    align-items: center;
}

.search-input {
    background: var(--bg-glass);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-full);
    padding: 0.5rem 1rem 0.5rem 2.5rem;
    color: var(--text-primary);
    font-size: 0.85rem;
    width: 200px;
    transition: all var(--transition-base);
}

.search-input::placeholder { color: var(--text-muted); }

.search-input:focus {
    width: 260px;
    border-color: var(--border-active);
    background: var(--bg-glass-hover);
    box-shadow: 0 0 0 3px rgba(79,142,247,0.1);
}

.search-icon {
    position: absolute;
    left: 0.85rem;
    color: var(--text-muted);
    font-size: 0.9rem;
    pointer-events: none;
    transition: color var(--transition-fast);
}

.search-wrap:focus-within .search-icon {
    color: var(--brand-primary);
}

/* Cart button */
.cart-btn {
    position: relative;
    width: 42px;
    height: 42px;
    border-radius: var(--radius-md);
    background: var(--bg-glass);
    border: 1px solid var(--border-card);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: all var(--transition-base);
    cursor: pointer;
}

.cart-btn:hover {
    background: var(--bg-glass-hover);
    color: var(--brand-primary);
    border-color: var(--border-active);
    transform: translateY(-1px);
}

.cart-count {
    position: absolute;
    top: -6px;
    right: -6px;
    background: var(--grad-brand);
    color: #fff;
    font-size: 0.65rem;
    font-weight: 700;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--bg-primary);
    opacity: 0;
    transform: scale(0);
    transition: all var(--transition-bounce);
}

.cart-count.visible {
    opacity: 1;
    transform: scale(1);
}

.cart-count.bump {
    animation: cartBump 0.3s var(--transition-bounce);
}

@keyframes cartBump {
    0%   { transform: scale(1); }
    50%  { transform: scale(1.4); }
    100% { transform: scale(1); }
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 32px;
    cursor: pointer;
    padding: 4px;
}

.menu-toggle span {
    display: block;
    height: 2px;
    background: var(--text-primary);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.menu-toggle span:nth-child(1) { width: 100%; }
.menu-toggle span:nth-child(2) { width: 75%; }
.menu-toggle span:nth-child(3) { width: 50%; }

.menu-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); width: 100%; }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); width: 100%; }

/* Mobile Nav */
.mobile-nav {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: rgba(8, 12, 20, 0.97);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-card);
    padding: 1.25rem var(--space-lg);
    transform: translateY(-100%);
    opacity: 0;
    transition: all var(--transition-slow);
    z-index: 999;
}

.mobile-nav.open {
    transform: translateY(0);
    opacity: 1;
}

.mobile-nav .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
}

.mobile-nav .nav-link {
    font-size: 1rem;
    width: 100%;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .nav         { display: none; }
    .menu-toggle { display: flex; }
    .mobile-nav  { display: block; }
    .search-input { width: 160px; }
    .search-input:focus { width: 200px; }
}

@media (max-width: 600px) {
    .search-wrap { display: none; }
    .logo-main   { font-size: 1.5rem; }
}