/* V12: only added hamburger and left drawer. All original rules preserved. */
.top .nav{position:relative}
.top .nav > .brand{margin-left:52px}
.v12-burger-trigger{position:absolute;left:0;top:50%;transform:translateY(-50%);width:44px;height:44px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;background:transparent;border:0;border-radius:7px;color:#e7f7ff;cursor:pointer;padding:9px;z-index:1}
.v12-burger-trigger .v12-burger-line{display:block;width:23px;height:2px;background:currentColor;border-radius:2px;flex:0 0 2px}
.v12-burger-trigger:hover{background:#12344b}
.v12-burger-trigger:focus-visible,.v12-burger-close:focus-visible,.v12-burger-panel a:focus-visible{outline:3px solid #5cdbff;outline-offset:2px}
#v12-burger-overlay[hidden]{display:none!important}
#v12-burger-overlay{position:fixed;inset:0;z-index:2000;display:flex;align-items:stretch;justify-content:flex-start}
.v12-burger-backdrop{position:absolute;inset:0;border:0;background:rgba(0,6,13,.68);cursor:default}
.v12-burger-panel{position:relative;display:flex;flex-direction:column;width:min(340px,calc(100vw - 50px));height:100%;height:100dvh;overflow-y:auto;background:#061521;border-right:1px solid #305f77;color:#effaff;box-shadow:8px 0 42px #0009;padding:24px 19px 28px}
.v12-burger-panel-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:18px;border-bottom:1px solid #21465c;padding-bottom:16px}
.v12-burger-panel-title{font-size:13px;letter-spacing:.12em;font-weight:800;color:#d9f2ff}
.v12-burger-close{width:44px;height:44px;border:1px solid #305b73;border-radius:8px;background:#0b2a3f;color:white;font:28px/1 system-ui,sans-serif;cursor:pointer}
.v12-burger-panel nav{display:flex;flex-direction:column;align-items:stretch;gap:4px}
.v12-burger-panel nav a{display:block;text-decoration:none;color:#e3f4ff;font-size:16px;font-weight:600;padding:13px 12px;border-radius:8px}
.v12-burger-panel nav a:hover{background:#123e54;color:#fff}
@media(max-width:850px){.top .nav .v12-burger-trigger{top:38.5px}}
@media(prefers-reduced-motion:reduce){.v12-burger-trigger,.v12-burger-panel{transition:none}}