header{position:fixed;top:0;left:0;width:100%;z-index:100}.header{position:relative;display:flex;width:100%;padding:14px 24px;gap:1rem;background:0 0;backdrop-filter:none;-webkit-backdrop-filter:none;border-bottom:1px solid rgba(255,255,255,0);transition:background .4s ease,backdrop-filter .4s ease,border-color .4s ease;align-items:center;justify-content:space-between}.header.small{background:rgba(4,10,23,.9);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom-color:rgba(255,255,255,8%)}.logo{display:flex;width:auto;height:52px;align-items:center;cursor:pointer;gap:.75rem}.logo img{height:100%;width:auto;object-fit:contain}.logo h1{margin:0;color:#e6e6e6;font-size:1.1rem}nav{display:flex;align-items:center;margin:0}nav ul{display:flex;align-items:center;gap:1.5rem;font-size:12pt}.guidapp-wrap{display:flex}.button-guidapp{display:block;text-align:center;color:#000;font-family:syne,sans-serif;font-size:.9rem;font-weight:700;margin-top:auto;background:var(--yellow);padding:.85rem;border-radius:8px;transition:background .2s,transform .15s}.button-guidapp:hover{background:#ffd633;transform:translateY(-1px)}.login-icon{display:flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.2);color:#eaf4ff;transition:border-color .25s ease,background .25s ease}.login-icon svg{width:18px;height:18px;stroke:currentColor;fill:none}.login-icon:hover{border-color:rgba(255,255,255,.4);background:rgba(255,255,255,6%)}.lang-switch{display:flex;align-items:center}.lang-switch-link{font-family:sora,sans-serif;font-size:.8rem;font-weight:600;color:rgba(255,255,255,.6);border:1px solid rgba(255,255,255,.18);border-radius:6px;padding:.3rem .55rem;transition:color .2s ease,border-color .2s ease}.lang-switch-link:hover{color:#00d9ff;border-color:#00d9ff}.header-sweep{position:absolute;bottom:0;left:-30%;width:30%;height:2px;background:linear-gradient(90deg,transparent,rgba(0,217,255,.9),transparent);filter:blur(1.5px)drop-shadow(0 0 6px rgba(0,217,255,.6));animation:footer-sweep 5s infinite ease-in-out}@keyframes footer-sweep{0%{left:-30%;opacity:0}25%{opacity:.35}50%{opacity:.9}75%{opacity:.35}100%{left:125%;opacity:0}}.hamburger{display:none;flex-direction:column;align-items:flex-start;justify-content:center;gap:8px;width:44px;height:44px;padding:0;background:0 0;border:none;cursor:pointer}.hamburger__line{display:block;height:1.5px;border-radius:1px;background:#eaf4ff;transition:width .25s ease}.hamburger__line--long{width:32px}.hamburger__line--short{width:20px}.hamburger:hover .hamburger__line--short{width:32px}@media(max-width:820px){.header nav{display:none}.login-icon{display:none}.header-actions{display:none}.hamburger{display:flex}.logo{gap:.5rem}}.header-actions{display:flex;gap:1rem;flex-direction:row-reverse}