nav.top{z-index:50;pointer-events:none;justify-content:center;display:flex;position:fixed;top:16px;left:0;right:0}.nav-inner{pointer-events:auto;-webkit-backdrop-filter:blur(14px);border:1px solid var(--border-light);background:#141414b3;border-radius:999px;align-items:center;gap:32px;padding:10px 18px;display:flex;position:relative}.logo{letter-spacing:-.01em;align-items:center;gap:6px;font-size:15px;font-weight:600;display:flex;overflow:hidden}.logo-mark{flex-shrink:0;width:44px;height:48px;display:block;position:relative;overflow:hidden}.logo-mark img{width:140px;max-width:none;height:48px;display:block;position:absolute;top:0;left:0}.logo-text{opacity:1;flex-shrink:0;width:100px;max-width:100px;height:48px;margin-left:0;transition:max-width .45s cubic-bezier(.22,.61,.36,1),opacity .25s,transform .45s cubic-bezier(.22,.61,.36,1),margin-left .45s cubic-bezier(.22,.61,.36,1);display:block;position:relative;overflow:hidden;transform:translate(0)}.logo-text img{width:140px;max-width:none;height:48px;display:block;position:absolute;top:0;left:-44px}.nav-scrolled .logo-text,.nav-open .logo-text{opacity:0;max-width:0;margin-left:-6px;transform:translate(-8px)}.nav-toggle{border:1px solid var(--border-light);cursor:pointer;background:0 0;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;padding:0;transition:border-color .2s,background .2s;display:none;position:relative}.nav-toggle:hover{border-color:var(--accent);background:#d4f5420f}.nav-toggle span{background:var(--text);border-radius:2px;height:1.5px;transition:transform .28s cubic-bezier(.4,0,.2,1),top .28s cubic-bezier(.4,0,.2,1);position:absolute;left:11px;right:11px}.nav-toggle span:first-child{top:14px}.nav-toggle span:nth-child(2){top:24px}.nav-toggle[aria-expanded=true] span:first-child{top:19px;transform:rotate(45deg)}.nav-toggle[aria-expanded=true] span:nth-child(2){top:19px;transform:rotate(-45deg)}.mobile-menu{z-index:55;-webkit-backdrop-filter:blur(18px);border:1px solid var(--border-light);opacity:0;pointer-events:none;background:#141414eb;border-radius:24px;padding:14px;transition:opacity .25s,transform .35s cubic-bezier(.22,.61,.36,1);position:fixed;top:96px;left:16px;right:16px;transform:translateY(-10px);box-shadow:0 24px 60px #00000080,0 4px 16px #0000004d}.mobile-menu.open{opacity:1;pointer-events:auto;transform:translateY(0)}.mobile-menu-links{flex-direction:column;gap:4px;display:flex}.mobile-menu-links a:not(.btn){color:var(--text-dim);border-radius:12px;padding:14px 18px;font-family:Geist,sans-serif;font-size:16px;font-weight:500;transition:background .2s,color .2s}.mobile-menu-links a:not(.btn):hover{background:var(--bg-soft);color:var(--text)}.mobile-menu-links a:not(.btn).active{color:var(--accent);background:#d4f54214}.mobile-menu-links .btn{width:100%;height:48px;margin-top:8px}.nav-links{color:var(--text-dim);gap:24px;font-size:14px;display:flex;position:relative}.nav-links a{padding:6px 0;transition:color .2s;position:relative}.nav-links a:hover{color:var(--text)}.nav-links a.active{color:var(--accent)}.nav-indicator{background:var(--accent);opacity:0;pointer-events:none;border-radius:2px;width:0;height:2px;transition:transform .42s cubic-bezier(.4,0,.2,1),width .42s cubic-bezier(.4,0,.2,1),opacity .25s;position:absolute;bottom:-14px;left:0;transform:translate(0)}.nav-inner.has-active .nav-indicator{opacity:1}.nav-right{align-items:center;gap:10px;display:flex}nav.top.nav--aulas{justify-content:stretch;top:0}.nav--aulas .nav-inner{border:none;border-bottom:1px solid var(--border);-webkit-backdrop-filter:blur(14px);background:#181818e6;border-radius:0;gap:28px;width:100%;padding:10px 24px}.nav--aulas .nav-right{margin-left:auto}.nav--aulas .logo-text{opacity:1;max-width:100px;margin-left:0;transform:none}.btn{text-transform:uppercase;letter-spacing:.04em;white-space:nowrap;border:1px solid #0000;border-radius:999px;justify-content:center;align-items:center;gap:8px;height:40px;padding:0 18px;font-family:Kode Mono,monospace;font-size:14px;font-weight:500;line-height:1;transition:transform .25s cubic-bezier(.34,1.56,.64,1),background .25s,border-color .25s,box-shadow .25s,color .2s;display:inline-flex}.btn-primary{background:var(--accent);color:#1c1c1c;border-color:var(--accent)}.btn-primary:hover{background:#e8ff66;border-color:#e8ff66;transform:translateY(-3px)scale(1.03);box-shadow:0 12px 28px #d4f54259,0 4px 10px #d4f54233}.btn-primary:active{transform:translateY(-1px)scale(1);box-shadow:0 6px 16px #d4f54240}.btn-ghost{color:var(--text);border-color:var(--border-light)}.btn-ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-3px);box-shadow:0 12px 28px #d4f5421f}.btn-ghost:active{transform:translateY(-1px)}.btn-sm{height:36px;padding:0 14px;font-size:12px}@media (max-width:900px){.nav-links,.nav-inner>.nav-right>.btn-cta{display:none}.nav-toggle{display:inline-flex}.nav-inner{gap:12px;padding:8px 16px}}