.header{position:fixed;top:0;left:0;width:100%;background:rgba(255,255,255,.95);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--border-color);z-index:var(--z-fixed);transition:all var(--transition-normal)}.header.scrolled{background:rgba(255,255,255,.98);backdrop-filter:blur(15px);-webkit-backdrop-filter:blur(15px);box-shadow:var(--shadow-medium)}.navbar{padding:0}.navbar-container{max-width:1200px;margin:0 auto;padding:0 var(--spacing-lg);display:flex;align-items:center;justify-content:space-between;height:80px}.navbar-brand{flex-shrink:0}.navbar-logo{display:block;text-decoration:none}.logo-img{display:block;height:40px;width:auto;transition:transform var(--transition-normal)}.logo-img:hover{transform:scale(1.05)}.navbar-menu{display:flex;align-items:center}.navbar-nav{display:flex;align-items:center;gap:var(--spacing-xl);list-style:none}.nav-link{color:var(--text-primary);text-decoration:none;font-weight:500;font-size:.95rem;display:inline-flex;align-items:center;min-height:44px;padding:var(--spacing-sm) 0;position:relative;transition:color var(--transition-normal)}.nav-link:hover{color:var(--primary-color)}.nav-link::after{content:'';position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--primary-color);transition:width var(--transition-normal)}.nav-link.active::after,.nav-link:hover::after{width:100%}.nav-link.active{color:var(--primary-color)}.scroll-progress{position:absolute;bottom:0;left:0;height:3px;background:linear-gradient(90deg,var(--primary-color),var(--accent-color));width:0%;z-index:1}.navbar-end{display:flex;align-items:center;gap:var(--spacing-lg)}.contact-info{display:flex;align-items:center;gap:var(--spacing-lg)}.contact-link{display:flex;align-items:center;gap:var(--spacing-xs);color:var(--text-secondary);text-decoration:none;font-size:.875rem;transition:color var(--transition-normal)}.contact-link:hover{color:var(--primary-color)}.contact-link i{font-size:.75rem}.language-switcher{position:relative}.language-btn{position:relative;display:inline-flex;direction:ltr;padding:0;background:#eaeaf1;border:1px solid #d4d5e4;border-radius:0;cursor:pointer;text-decoration:none;transition:border-color 160ms cubic-bezier(.2, .7, .2, 1);touch-action:manipulation;-webkit-tap-highlight-color:transparent}.language-btn:hover{border-color:var(--secondary-color)}.language-btn:focus-visible{outline:0;box-shadow:0 0 0 3px rgba(92,207,247,.75)}.language-btn__thumb{position:absolute;top:-1px;bottom:-1px;width:calc(50% + 1px);background:var(--secondary-color);transition:left 220ms cubic-bezier(.2, .7, .2, 1)}.language-btn--en .language-btn__thumb{left:-1px}.language-btn--ar .language-btn__thumb{left:50%}.language-btn__opt{position:relative;width:56px;padding:15px 0;text-align:center;font-size:14px;font-weight:700;line-height:1;color:var(--secondary-color);transition:color 220ms cubic-bezier(.2, .7, .2, 1)}.language-btn__opt--on{color:#fff}.experience-switcher{position:relative}.experience-btn{display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;padding:0;background:0 0;border:none;color:var(--secondary-color);cursor:pointer;transition:color 160ms cubic-bezier(.2, .7, .2, 1);touch-action:manipulation;-webkit-tap-highlight-color:transparent}.experience-btn:hover{color:var(--primary-color)}.experience-btn:focus-visible{outline:0;box-shadow:0 0 0 3px rgba(92,207,247,.75);border-radius:2px}.experience-btn__icon{width:28px;height:28px;fill:none;stroke:currentColor;stroke-width:1.6}.experience-btn__icon-dot{fill:currentColor;stroke:none}.experience-menu{position:absolute;top:calc(100% + var(--spacing-sm));inset-inline-end:0;z-index:var(--z-fixed);min-width:220px;background:#fff;border:1px solid #d4d5e4;box-shadow:var(--shadow-medium);padding:var(--spacing-sm) var(--spacing-md)}.experience-menu[hidden]{display:none}.experience-menu__row{display:none;align-items:center;justify-content:space-between;gap:var(--spacing-md);padding:var(--spacing-sm) 0}.experience-menu__row:not(:first-child){border-top:1px solid #eaeaf1}.experience-menu__row--globe{display:flex}.experience-menu__label{margin:0;font-size:.8125rem;font-weight:600;color:var(--text-primary)}.globe-switch{position:relative;display:inline-flex;direction:ltr;background:#eaeaf1;border:1px solid #d4d5e4}.globe-switch__thumb{position:absolute;top:-1px;bottom:-1px;left:-1px;width:calc(50% + 1px);background:var(--secondary-color);transition:left 220ms cubic-bezier(.2, .7, .2, 1)}.globe-switch[data-globe-mode=lite] .globe-switch__thumb{left:50%}.globe-switch__opt{position:relative;min-width:52px;padding:9px 0;background:0 0;border:none;font-family:inherit;font-size:.8125rem;font-weight:700;line-height:1;color:var(--secondary-color);cursor:pointer;transition:color 220ms cubic-bezier(.2, .7, .2, 1)}.globe-switch__opt[aria-pressed=true]{color:#fff}.globe-switch__opt:focus-visible{outline:2px solid var(--accent-color);outline-offset:2px}.mobile-menu-toggle{display:none;flex-direction:column;background:0 0;border:none;cursor:pointer;padding:var(--spacing-sm);gap:4px;z-index:var(--z-fixed);min-width:44px;min-height:44px;align-items:center;justify-content:center;touch-action:manipulation;-webkit-tap-highlight-color:transparent}.mobile-menu-toggle span{width:25px;height:3px;background:var(--text-primary);border-radius:0;transition:all var(--transition-normal)}.mobile-menu-toggle.active span:first-child{transform:rotate(45deg) translate(6px,6px)}.mobile-menu-toggle.active span:nth-child(2){opacity:0}.mobile-menu-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(6px,-6px)}.mobile-contact-info{display:none}