/* ============================================
   Header
   ============================================ */
.header-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: center;
    z-index: 100;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.header-transparent {
    background: transparent;
    backdrop-filter: blur(0px);
    -webkit-backdrop-filter: blur(0px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: none;
    padding-top: 1rem;
}

.header-transparent .header-nav-link,
.header-transparent .header-lang-switch {
    color: #fff;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.header-scrolled {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-bottom: 1px solid var(--glass-border);
    box-shadow: var(--shadow-sm);
    padding-top: 0;
}



.header {
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 1200px;
}

.header-logo {
    display: flex;
    align-items: center;
    background: #fff;
    border-radius: 50%;
    padding: 4px;
    box-shadow: var(--shadow-md);
}

.header-logo-img {
    border-radius: 50%;
    display: block;
}

.header-nav {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.header-nav-link {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: var(--transition-fast);
    position: relative;
    padding: 0.5rem 0;
}

.header-nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--brand-navy), var(--brand-gold));
    transition: var(--transition-fast);
}

.header-nav-link:hover {
    color: var(--brand-navy-light) !important;
    text-shadow: none !important;
}

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

.header-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.header-lang-switch {
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--text-primary);
    transition: var(--transition-fast);
    padding: 0.5rem 1rem;
    border-radius: 100px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    text-decoration: none;
    display: inline-block;
}

.header-lang-switch:hover {
    color: var(--brand-navy) !important;
    border-color: var(--brand-navy);
    text-shadow: none !important;
}

.header-mobile-toggle {
    display: none;
    color: var(--text-primary);
    padding: 0.5rem;
}

.header-transparent .header-mobile-toggle {
    color: #fff;
}

@media (max-width: 768px) {
    .header-nav {
        display: none;
    }
    .header {
        padding: 1rem;
    }
    .header-mobile-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

/* Theme Toggle Button Styling */
.header-theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--border-light);
    cursor: pointer;
    transition: var(--transition-fast);
}

.header-transparent .header-theme-toggle {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.3);
}

.header-theme-toggle:hover {
    background: rgba(255, 255, 255, 0.15);
    color: var(--brand-gold);
    border-color: var(--brand-gold);
    transform: scale(1.05);
}

[data-theme="dark"] .header-theme-toggle {
    color: var(--brand-gold);
    border-color: rgba(197, 165, 90, 0.3);
    background: rgba(197, 165, 90, 0.08);
}

[data-theme="dark"] .header-theme-toggle:hover {
    background: rgba(197, 165, 90, 0.15);
    color: var(--brand-gold-bright);
    border-color: var(--brand-gold-bright);
}

/* Dark Mode overrides for Header */
[data-theme="dark"] .header-wrapper.header-scrolled {
    background: rgba(7, 14, 30, 0.92);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .mobile-menu-content {
    background: #0a1128;
    border: 1px solid rgba(197, 165, 90, 0.25);
}

/* Toggle icon visibility based on theme */
.header-theme-toggle .theme-icon-sun {
    display: none;
}
.header-theme-toggle .theme-icon-moon {
    display: block;
}

[data-theme="dark"] .header-theme-toggle .theme-icon-sun {
    display: block;
}
[data-theme="dark"] .header-theme-toggle .theme-icon-moon {
    display: none;
}