/* Header CSS */
.header-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: rgba(5, 5, 5, 0.85);
    /* Slightly transparent */
    backdrop-filter: blur(12px);
    /* Glassmorphism */
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transition: all var(--transition-medium);
}

.header-wrapper .container {
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Logo Styles */
.logo-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    z-index: 1002;
    transition: transform var(--transition-fast);
    opacity: 0;
    /* Hidden initially for GSAP */
}

.logo-container:hover {
    transform: translateY(-1px);
}

.logo-img {
    height: 42px;
    width: 42px;
    object-fit: cover;
    border-radius: 50%;
    border: 1.5px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.05);
    padding: 2px;
    transition: all var(--transition-medium);
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.05);
}

.logo-container:hover .logo-img {
    border-color: rgba(255, 255, 255, 0.4);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.15);
    transform: rotate(5deg) scale(1.05);
}

.logo-text {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 700;
    color: #ffffff;
    /* Pure White */
    letter-spacing: -0.5px;
    background: none;
    -webkit-text-fill-color: initial;
    display: inline-block;
    /* مهم للحركة */
    animation: logoFloat 3s ease-in-out infinite;
    will-change: transform;
    transition: all var(--transition-medium);
}

.logo-container:hover .logo-text {
    letter-spacing: 0.5px;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

/* Navigation Links */
.nav-links {
    display: flex;
    gap: var(--spacing-lg);
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.nav-links li {
    opacity: 0;
    /* Hidden initially for GSAP */
}

.nav-links a {
    font-size: var(--font-size-sm);
    color: #ffffff;
    /* Pure White */
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    position: relative;
    padding: 0.5rem 0;
    transition: color var(--transition-medium);
}

/* Premium Desktop Hover Animation */
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--color-text-main), transparent);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-medium);
}

.nav-links a:hover {
    color: var(--color-text-main);
}

.nav-links a:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

/* Menu Toggle (Hamburger) - Pro Version */
.menu-toggle {
    display: none;
    width: 30px;
    height: 20px;
    position: relative;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1002;
    padding: 0;
    opacity: 0;
    /* Hidden initially for GSAP */
}

.menu-toggle span {
    display: block;
    position: absolute;
    height: 1.5px;
    width: 100%;
    background: var(--color-text-main);
    border-radius: 2px;
    opacity: 1;
    left: 0;
    transform: rotate(0deg);
    transition: .3s cubic-bezier(0.4, 0, 0.2, 1);
}

.menu-toggle span:nth-child(1) {
    top: 0px;
}

.menu-toggle span:nth-child(2) {
    top: 9px;
    width: 70%;
    left: auto;
    right: 0;
}

.menu-toggle span:nth-child(3) {
    top: 18px;
}

.menu-toggle.active span:nth-child(1) {
    top: 9px;
    transform: rotate(135deg);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
    right: 30px;
}

.menu-toggle.active span:nth-child(3) {
    top: 9px;
    transform: rotate(-135deg);
}

/* Mobile Responsive & Animations */
@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }

    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background-color: rgba(5, 5, 5, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transform: translateX(100%);
        transition: transform var(--transition-slow);
        z-index: 1001;
        gap: var(--spacing-xl);
    }

    .nav-links.active {
        transform: translateX(0);
    }

    /* Staggered Entrance Animation for Mobile Links */
    .nav-links a {
        font-size: var(--font-size-3xl);
        font-weight: 300;
        opacity: 0;
        transform: translateY(20px);
        transition: all 0.5s var(--transition-slow);
    }

    .nav-links.active a {
        opacity: 1;
        transform: translateY(0);
    }

    .nav-links.active a:nth-child(1) {
        transition-delay: 0.1s;
    }

    .nav-links.active a:nth-child(2) {
        transition-delay: 0.2s;
    }

    .nav-links.active a:nth-child(3) {
        transition-delay: 0.3s;
    }

    .nav-links.active a:nth-child(4) {
        transition-delay: 0.4s;
    }
}