nav{height:var(--nav-h);background:rgba(6,6,6,.94);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 24px;gap:16px;position:sticky;top:2px;z-index:1000}
.nav-logo{display:flex;align-items:baseline;gap:0;line-height:1;flex-shrink:0}
.nav-logo .is{font-family:var(--ff-display);font-size:24px;color:var(--white);letter-spacing:.5px}
.nav-logo .birl{font-family:var(--ff-display);font-size:24px;color:var(--lime);letter-spacing:.5px}
.nav-logo .cc{font-family:var(--ff-display);font-size:12px;color:var(--lime);opacity:.5;position:relative;top:-5px;margin-left:1px}
.nav-links{display:flex;align-items:center;gap:0;flex:1;justify-content:center}
.nav-links a{font-size:10px;letter-spacing:2px;text-transform:uppercase;color:var(--text2);padding:5px 12px;border:1px solid transparent;transition:color var(--transition),border-color var(--transition);white-space:nowrap;font-weight:500}
.nav-links a:hover{color:var(--lime);border-color:var(--lime-border)}
.nav-links a.active{color:var(--lime)}
.nav-right{display:flex;align-items:center;gap:8px;margin-left:auto;flex-shrink:0}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px;flex-shrink:0;background:none;border:none}
.hamburger span{width:20px;height:1.5px;background:var(--lime);border-radius:1px;transition:all .3s}
.drawer{position:fixed;top:0;left:0;bottom:0;width:272px;background:var(--surface);border-right:1px solid var(--border);padding:72px 20px 32px;z-index:999;transform:translateX(-100%);transition:transform .3s ease}
.drawer.open{transform:translateX(0)}
.drawer a{display:block;font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--text2);padding:13px 0;border-bottom:1px solid var(--border);font-weight:500;transition:color var(--transition)}
.drawer a:hover{color:var(--lime)}
.drawer-overlay{position:fixed;inset:0;background:rgba(0,0,0,.7);z-index:998;display:none}
.drawer-overlay.show{display:block}
@media(max-width:768px){.nav-links{display:none}.hamburger{display:flex}}