/* V13 source lines 154-198; original cascade order preserved. */
/* ===== MOBILE NAVIGATION + RESPONSIVE OPTIMIZATION ===== */
.mobile-menu-btn{
  display:none;
  width:44px;height:44px;border-radius:12px;border:1px solid #dbe3ef;
  background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px;
  padding:0;cursor:pointer;box-shadow:0 6px 18px rgba(10,27,51,.08)
}
.mobile-menu-btn span{
  width:20px;height:2px;background:var(--n);border-radius:999px;display:block;
}
.mobile-menu{
  position:fixed;inset:0;z-index:9999;visibility:hidden;pointer-events:none;
}
.mobile-menu.open{visibility:visible;pointer-events:auto}
.mobile-menu-backdrop{
  position:absolute;inset:0;background:rgba(6,16,31,.55);backdrop-filter:blur(5px);
  opacity:0;transition:opacity .22s ease;
}
.mobile-menu.open .mobile-menu-backdrop{opacity:1}
.mobile-menu-panel{
  position:absolute;top:0;right:0;height:100%;width:min(88vw,360px);
  background:#fff;padding:20px 18px 28px;box-shadow:-20px 0 50px rgba(10,27,51,.22);
  transform:translateX(100%);transition:transform .24s ease;
  display:flex;flex-direction:column;
}
.mobile-menu.open .mobile-menu-panel{transform:translateX(0)}
.mobile-menu-head{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding-bottom:16px;border-bottom:1px solid #e7ecf2;
}
.mobile-menu-head strong{font-size:13px;letter-spacing:.14em;color:var(--n)}
.mobile-menu-close{
  width:40px;height:40px;border-radius:11px;border:1px solid #dbe3ef;background:#fff;
  color:var(--n);font-size:26px;line-height:1;cursor:pointer;
}
.mobile-menu-links{display:grid;padding:14px 0}
.mobile-menu-links a{
  display:flex;align-items:center;min-height:50px;padding:0 8px;border-bottom:1px solid #eef2f6;
  font-size:16px;font-weight:800;color:#23344d;
}
.mobile-menu-links a::after{content:"→";margin-left:auto;color:var(--b)}
.mobile-menu-links a:active{background:#f6f8fc}
.mobile-contact-btn{width:100%;justify-content:center;margin-top:10px}
.mobile-menu-note{font-size:10px;color:#8794a3;text-align:center;margin:15px 0 0}
body.mobile-menu-open{overflow:hidden}