/* === GLASSMORPHISM HEADER === */
.header {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    max-width: 1400px;
    z-index: 1000;
    transition: var(--transition);
}

.header-container {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50px;
    padding: 15px 35px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow-glass), inset 0 0 20px rgba(255, 255, 255, 0.5);
    position: relative;
}

.header-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 50px;
    padding: 2px;
    background: linear-gradient(135deg, rgba(255,255,255,0.8), rgba(200,200,200,0.3));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.header.scrolled .header-container {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

/* === LOGO === */
.logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
    position: relative;
}

.logo-image {
    height: 45px;
    width: auto;
    transition: var(--transition);
    filter: drop-shadow(0 2px 10px rgba(0,0,0,0.1));
}

.logo a:hover .logo-image {
    filter: drop-shadow(0 0 20px rgba(0,0,0,0.3));
    transform: scale(1.05);
}

/* === NAVIGATION === */
.nav-menu {
    flex: 1;
    display: flex;
    justify-content: center;
    position: relative;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 45px;
}

.nav-link {
    color: var(--color-text);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    position: relative;
    transition: var(--transition);
    padding: 8px 0;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--color-black);
    transition: var(--transition);
    box-shadow: 0 0 10px rgba(0,0,0,0.5);
}

.nav-link:hover::before,
.nav-link.active::before {
    width: 100%;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-black);
    font-weight: 700;
}

/* === HEADER ACTIONS === */
.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.icon-btn {
    background: rgba(255, 255, 255, 0.5);
    border: 1px solid rgba(0, 0, 0, 0.1);
    color: var(--color-text);
    cursor: pointer;
    padding: 10px;
    border-radius: 50%;
    transition: var(--transition);
    position: relative;
    backdrop-filter: blur(10px);
}

.icon-btn:hover {
    background: var(--color-black);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.cart-count {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--color-black);
    color: var(--color-white);
    font-size: 10px;
    font-weight: 700;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 15px rgba(0,0,0,0.5);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.menu-toggle span {
    width: 28px;
    height: 2.5px;
    background: var(--color-black);
    transition: var(--transition);
    border-radius: 2px;
}

@media (max-width: 1024px) {
    .header {
        width: 85%;
    }
    
    .nav-list {
        gap: 35px;
    }
    
    .nav-link {
        font-size: 13px;
    }
    
    .logo-image {
        height: 42px;
    }
}

@media (max-width: 768px) {
    .header {
        width: 90%;
        top: 15px;
    }
    
    .header-container {
        padding: 12px 25px;
        border-radius: 40px;
    }
    
    .logo-image {
        height: 38px;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: 50%;
        transform: translateX(-50%);
        width: 90%;
        max-width: 500px;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        border-radius: 25px;
        padding: 40px 30px;
        box-shadow: var(--shadow-lg);
        opacity: 0;
        pointer-events: none;
        transition: var(--transition);
        border: 2px solid rgba(255, 255, 255, 0.5);
    }
    
    .nav-menu.active {
        opacity: 1;
        pointer-events: all;
    }
    
    .nav-list {
        flex-direction: column;
        gap: 25px;
        align-items: center;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    
    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
}

@media (max-width: 480px) {
    .header {
        width: 92%;
        top: 12px;
    }
    
    .header-container {
        padding: 10px 20px;
        border-radius: 35px;
    }
    
    .logo-image {
        height: 35px;
    }
    
    .icon-btn {
        padding: 8px;
    }
    
    .nav-menu {
        width: 92%;
        top: 70px;
        padding: 35px 25px;
    }
}

/* === SMOOTH SCROLLBAR === */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--color-gray-light);
}

::-webkit-scrollbar-thumb {
    background: var(--color-gray-dark);
    border-radius: 10px;
    border: 2px solid var(--color-gray-light);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-black);
}