/* ==========================================
   HEADER STYLES
   ========================================== */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: all 0.3s ease;
    background: rgba(3, 3, 3, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
}

.main-header.scrolled {
    padding: 15px 0;
    background: rgba(3, 3, 3, 0.95);
    border-bottom-color: #5A5A5A;
}

.header-container {
    max-width: 1920px;
    margin: 0 auto;
    padding: 0 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

/* Logo */
.header-logo {
    flex-shrink: 0;
    margin-right: -20px;
}

.logo-image {
    height: 50px;
    width: auto;
    transition: all 0.3s ease;
}

.main-header.scrolled .logo-image {
    height: 40px;
}

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

.nav-menu {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-item {
    position: relative;
}

.nav-link {
    font-family: var(--font-primary);
    font-size: 15px;
    font-weight: 500;
    color: var(--color-white);
    text-transform: capitalize;
    padding: 8px 0;
    position: relative;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width 0.3s ease;
}

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

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

/* Language Switcher */
.language-switcher img {
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.language-switcher:hover img {
    opacity: 1;
}

/* Header CTA Button */
.header-cta {
    flex-shrink: 0;
}

.btn-header {
    animation: fadeInDown 0.6s ease 0.4s both;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    width: 42px;
    height: 42px;
    position: relative;
    z-index: 1001;
    cursor: pointer;
}

.menu-icon,
.close-icon {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.close-icon {
    opacity: 0;
    transform: rotate(90deg);
}

.mobile-menu-toggle.active .menu-icon {
    opacity: 0;
    transform: rotate(-90deg);
}

.mobile-menu-toggle.active .close-icon {
    opacity: 1;
    transform: rotate(0);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 400px;
    height: 100vh;
    background: rgba(3, 3, 3, 0.98);
    backdrop-filter: blur(30px);
    z-index: 999;
    padding: 100px 40px 40px;
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
}

.mobile-menu.active {
    right: 0;
}

.mobile-nav-menu {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.mobile-nav-menu li {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-nav-link {
    display: block;
    padding: 20px 0;
    font-size: 18px;
    font-weight: 500;
    color: var(--color-white);
    transition: color 0.3s ease, padding-left 0.3s ease;
}

.mobile-nav-link:hover {
    color: var(--color-primary);
    padding-left: 10px;
}

/* Animations */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Breakpoints */
@media (max-width: 1200px) {
    .header-container {
        padding: 0 40px;
    }
    
    .nav-menu {
        gap: 30px;
    }
}

@media (max-width: 1024px) {
    .header-nav {
        display: none;
    }
    
    .header-cta {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
}

@media (max-width: 767px) {
    .header-container {
        padding: 0 20px;
    }
    
    .logo-image {
        height: 40px;
    }
    
    .main-header.scrolled .logo-image {
        height: 35px;
    }
    
    .mobile-menu {
        max-width: 100%;
        padding: 80px 30px 30px;
    }
}

/* Smooth appearance on page load */
.header-logo {
    animation: fadeInDown 0.6s ease both;
}

.nav-item:nth-child(1) { animation: fadeInDown 0.6s ease 0.1s both; }
.nav-item:nth-child(2) { animation: fadeInDown 0.6s ease 0.15s both; }
.nav-item:nth-child(3) { animation: fadeInDown 0.6s ease 0.2s both; }
.nav-item:nth-child(4) { animation: fadeInDown 0.6s ease 0.25s both; }
.nav-item:nth-child(5) { animation: fadeInDown 0.6s ease 0.3s both; }
.nav-item:nth-child(6) { animation: fadeInDown 0.6s ease 0.35s both; }