/* Login-only delta. Original v226 metallic geometry and 18s rotation stay intact. */
.login-emblem-stage-v226 .login-mail-flight-v229{z-index:auto;transform:none}
.login-emblem-stage-v226 .login-emblem-rotor-v226{z-index:1}
.login-emblem-stage-v226 .login-courier-v229{
  --flight-scale:1;
  animation:login-trio-flight-v231 9s linear infinite,login-trio-depth-v231 9s steps(1,end) infinite;
  animation-delay:var(--flight-delay),var(--flight-delay);
}
.login-emblem-stage-v226 .pigeon-wing-v229{animation-delay:var(--wing-delay)}
.login-emblem-stage-v226 .pigeon-wing-far-v229{animation-delay:calc(var(--wing-delay) - .18s)}
.login-emblem-stage-v226 .login-flight-trail-v229{animation:login-trio-trail-v231 9s linear infinite;animation-delay:var(--flight-delay)}
/* Small, loosely spaced birds converge on the same opening; the outgoing
   envelopes retain the earlier flowing arc, with three slightly varied exits. */
@keyframes login-trio-flight-v231{
  0%,7%{opacity:0;transform:translate3d(calc(-155px * var(--flight-scale)),calc(var(--entry-y) * var(--flight-scale)),0) scale(calc(.55 * var(--flight-scale))) rotate(-16deg)}
  14%{opacity:1}
  37%{transform:translate3d(calc(-43px * var(--flight-scale)),calc(var(--entry-y) * .12 * var(--flight-scale)),0) scale(calc(.6 * var(--flight-scale))) rotate(-5deg)}
  49%{opacity:1;transform:translate3d(0,0,0) scale(calc(.42 * var(--flight-scale)))}
  58%{transform:translate3d(calc(40px * var(--flight-scale)),calc(var(--exit-y) * .2 * var(--flight-scale)),0) scale(calc(.62 * var(--flight-scale))) rotate(8deg)}
  83%{opacity:1}
  94%,100%{opacity:0;transform:translate3d(calc(150px * var(--flight-scale)),calc(var(--exit-y) * var(--flight-scale)),0) scale(calc(.8 * var(--flight-scale))) rotate(-10deg)}
}
/* Approach behind the metal, appear in its opening, then emerge in front. */
@keyframes login-trio-depth-v231{0%,48%{z-index:0}49%,100%{z-index:2}}
@keyframes login-trio-trail-v231{0%,30%,70%,100%{opacity:.4}39%,61%{opacity:0}}
@media(max-height:650px){.login-emblem-stage-v226 .login-courier-v229{--flight-scale:.7}}
@media(max-height:480px){.login-emblem-stage-v226 .login-courier-v229{--flight-scale:.43}}
@media(prefers-reduced-motion:reduce){.login-emblem-stage-v226 .login-mail-flight-v229{display:none}.login-emblem-stage-v226 .login-courier-v229,.login-emblem-stage-v226 .login-flight-trail-v229{animation:none}}