:root{--green-bright:#1abc9c}header{-webkit-animation:slideDown .5s ease-out;animation:slideDown .5s ease-out;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:hsla(0,0%,100%,.95);border-bottom:1px solid rgba(0,0,0,.05);left:0;line-height:1.2;position:fixed;right:0;top:0;z-index:1000}nav{justify-content:space-between;margin:0 auto;max-width:1400px;padding:1.5rem 3rem}.logo,.nav-buttons,nav{align-items:center;display:flex}.nav-buttons{gap:1rem}.login{background:linear-gradient(135deg,var(--green-bright),#16a085);border:none;border-radius:50px;box-shadow:0 4px 15px rgba(26,188,156,.3);color:#fff;cursor:pointer;display:inline-block;font-size:.95rem;font-weight:600;padding:.75rem 1.75rem;text-decoration:none;transition:all .3s ease}