/* ============================================================
   FRONTEND AVA REAL ENGINE — HOMEPAGE CONTRACT RENDERER
============================================================ */

:root {
  --ava-real-fog: 0.42;
  --ava-real-bloom: 0.58;
  --ava-real-depth: 0.5;
  --ava-real-particles: 0.42;
}

body[data-ava-real-engine="online"] .scene-shell {
  filter:
    drop-shadow(0 0 calc(10px + var(--ava-real-bloom) * 18px) rgba(99,214,255,.08));
}

body[data-ava-real-engine="online"] .mirage-core-v2 {
  filter:
    drop-shadow(0 42px 110px rgba(0,0,0,.58))
    drop-shadow(0 0 calc(34px + var(--ava-real-bloom) * 48px) rgba(99,214,255,.26))
    drop-shadow(0 0 calc(18px + var(--ava-real-bloom) * 24px) rgba(242,200,107,.18));
}

body[data-ava-real-focus="ecosystem_portals"] .right-panel {
  border-color: rgba(242,200,107,.46) !important;
  box-shadow:
    0 34px 110px rgba(0,0,0,.48),
    0 0 38px rgba(242,200,107,.13),
    inset 0 1px 0 rgba(255,255,255,.10);
}

body[data-ava-real-focus="identity_core"] .mirage-seal-stage {
  box-shadow:
    0 0 calc(38px + var(--ava-real-bloom) * 44px) rgba(242,200,107,.34),
    0 0 calc(54px + var(--ava-real-bloom) * 56px) rgba(99,214,255,.22),
    inset 0 0 28px rgba(255,255,255,.12);
}

.ava-real-visual-panel {
  position: absolute;
  left: 50%;
  bottom: 104px;
  transform: translateX(-50%);
  width: min(420px, 84vw);
  padding: 16px 18px;
  border-radius: 22px;
  border: 1px solid rgba(174,218,255,.22);
  background:
    linear-gradient(145deg, rgba(255,255,255,.09), rgba(255,255,255,.025)),
    rgba(4, 14, 28, .62);
  backdrop-filter: blur(20px);
  box-shadow:
    0 24px 70px rgba(0,0,0,.34),
    inset 0 1px 0 rgba(255,255,255,.10),
    0 0 32px rgba(99,214,255,.10);
  color: rgba(244,248,255,.92);
  text-align: center;
  z-index: 30;
  pointer-events: none;
}

.ava-real-panel-kicker {
  font-size: 10px;
  letter-spacing: .18em;
  color: var(--gold2);
  margin-bottom: 6px;
  text-transform: uppercase;
}

.ava-real-visual-panel strong {
  display: block;
  font-size: 15px;
  margin-bottom: 6px;
}

.ava-real-visual-panel p {
  margin: 0;
  font-size: 12px;
  line-height: 1.45;
  color: rgba(226,237,250,.72);
}

.ava-real-panel-status {
  margin-top: 10px;
  display: inline-flex;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(99,214,255,.22);
  color: rgba(226,237,250,.70);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .10em;
}

.ava-real-portal {
  grid-template-columns: 1fr !important;
}

.ava-real-portal .product-copy b {
  font-size: 14px;
}

.ava-real-portal .product-copy em {
  font-size: 12px;
  line-height: 1.45;
}

body[data-ava-figure8="receiving"] .mirage-core-glow {
  opacity: .72;
}

body[data-ava-figure8="resolving"] .mirage-core-glow {
  opacity: .9;
}

body[data-ava-figure8="rendering"] .mirage-core-glow {
  opacity: 1;
  filter: blur(18px) brightness(1.18);
}

body[data-ava-figure8="returning"] .mirage-core-glow {
  opacity: .82;
}

@media (max-width: 1280px) {
  .ava-real-visual-panel {
    position: relative;
    left: auto;
    bottom: auto;
    transform: none;
    margin-top: 22px;
  }
}

/* ============================================================
   AVA REAL ENGINE PHASE 2A — CANVAS SCENE RENDERER
============================================================ */

.ava-real-canvas {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 2;
  opacity: calc(0.34 + var(--ava-real-bloom, .58) * .24);
  mix-blend-mode: screen;
}

body[data-ava-real-world="lecture"] .ava-real-canvas,
body[data-ava-real-world="scenario"] .ava-real-canvas,
body[data-ava-real-world="hospital"] .ava-real-canvas,
body[data-ava-real-world="ava_world"] .ava-real-canvas {
  opacity: calc(0.42 + var(--ava-real-bloom, .58) * .28);
}

/* ============================================================
   AVA REAL ENGINE PHASE 2B — VISUAL ASSET + ATLAS BODY RUNTIME
============================================================ */

.ava-real-panel-image {
  width: 86px;
  height: 86px;
  margin: 0 auto 10px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid rgba(242,200,107,.34);
  background:
    radial-gradient(circle at 34% 22%, rgba(255,255,255,.88), rgba(99,214,255,.18) 42%, rgba(3,10,22,.22) 100%);
  box-shadow:
    0 0 28px rgba(99,214,255,.18),
    0 0 22px rgba(242,200,107,.18),
    inset 0 0 18px rgba(255,255,255,.10);
}

.ava-real-panel-img {
  width: 74px;
  height: 74px;
  object-fit: contain;
  filter:
    drop-shadow(0 0 12px rgba(242,200,107,.38))
    drop-shadow(0 0 16px rgba(99,214,255,.18));
}

.ava-real-image-fallback {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  color: var(--gold2);
  font-size: 18px;
  font-weight: 900;
  letter-spacing: .16em;
}

.ava-real-atlas-body {
  position: absolute;
  left: 50%;
  top: 52%;
  transform: translate(calc(-50% - 260px), -50%);
  width: 118px;
  min-height: 220px;
  display: grid;
  justify-items: center;
  gap: 10px;
  z-index: 29;
  pointer-events: none;
  opacity: .86;
  filter:
    drop-shadow(0 0 28px rgba(99,214,255,.18))
    drop-shadow(0 18px 50px rgba(0,0,0,.38));
}

.ava-real-atlas-halo {
  position: absolute;
  top: 6px;
  width: 118px;
  height: 118px;
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(99,214,255,.22), transparent 62%),
    conic-gradient(from 90deg, transparent, rgba(242,200,107,.18), transparent, rgba(99,214,255,.18), transparent);
  filter: blur(4px);
  animation: avaAtlasHaloSpin 18s linear infinite;
}

.ava-real-atlas-silhouette {
  position: relative;
  width: 88px;
  height: 148px;
  margin-top: 20px;
  border-radius: 999px 999px 34px 34px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.16), rgba(99,214,255,.08)),
    rgba(4,14,28,.42);
  border: 1px solid rgba(174,218,255,.20);
  display: grid;
  place-items: center;
  overflow: hidden;
  backdrop-filter: blur(18px);
  box-shadow:
    inset 0 0 24px rgba(255,255,255,.08),
    0 0 24px rgba(99,214,255,.12);
}

.ava-real-atlas-silhouette:before {
  content: "";
  position: absolute;
  top: 14px;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 34% 24%, rgba(255,255,255,.96), rgba(99,214,255,.28) 58%, rgba(5,16,32,.42) 100%);
  border: 1px solid rgba(242,200,107,.22);
}

.ava-real-atlas-silhouette img {
  position: absolute;
  bottom: 22px;
  width: 54px;
  height: 54px;
  object-fit: contain;
  opacity: .72;
  filter:
    drop-shadow(0 0 12px rgba(242,200,107,.34))
    drop-shadow(0 0 12px rgba(99,214,255,.18));
}

.ava-real-atlas-label {
  text-align: center;
  text-transform: uppercase;
  letter-spacing: .10em;
}

.ava-real-atlas-label strong {
  display: block;
  color: var(--gold2);
  font-size: 12px;
}

.ava-real-atlas-label span {
  display: block;
  margin-top: 4px;
  color: rgba(226,237,250,.62);
  font-size: 9px;
}

@keyframes avaAtlasHaloSpin {
  to { rotate: 360deg; }
}

body[data-ava-real-focus="visual_panel"] .ava-real-visual-panel {
  border-color: rgba(242,200,107,.48);
  box-shadow:
    0 24px 70px rgba(0,0,0,.34),
    0 0 42px rgba(242,200,107,.16),
    inset 0 1px 0 rgba(255,255,255,.10);
}

body[data-ava-real-world="lecture"] .ava-real-atlas-label span::after {
  content: " • Lecture";
}

body[data-ava-real-world="scenario"] .ava-real-atlas-label span::after {
  content: " • Clinical Theater";
}

body[data-ava-real-world="hospital"] .ava-real-atlas-label span::after {
  content: " • Hospital";
}

body[data-ava-real-world="ava_world"] .ava-real-atlas-label span::after {
  content: " • World";
}

@media (max-width: 1280px) {
  .ava-real-atlas-body {
    position: relative;
    left: auto;
    top: auto;
    transform: none;
    margin: 18px auto 0;
  }
}

/* ============================================================
   PHASE 3A — CONTRACT ENTITIES RUNTIME
============================================================ */

.ava-entity-stage {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 24;
  overflow: hidden;
}

.ava-entity {
  position: absolute;
  color: rgba(244,248,255,.92);
  font-family: Inter, system-ui, sans-serif;
}

.ava-room-entity {
  inset: 0;
  z-index: 1;
  opacity: .32;
}

.ava-room-grid {
  position: absolute;
  inset: 15% 12% 4%;
  background:
    linear-gradient(90deg, rgba(99,214,255,.08) 1px, transparent 1px),
    linear-gradient(rgba(99,214,255,.06) 1px, transparent 1px);
  background-size: 72px 72px;
  transform: perspective(800px) rotateX(62deg);
  transform-origin: bottom;
}

.ava-room-light {
  position: absolute;
  left: 50%;
  top: 34%;
  width: 60vw;
  height: 34vh;
  transform: translateX(-50%);
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(99,214,255,.16), transparent 68%);
  filter: blur(18px);
}

.ava-patient-entity {
  left: 50%;
  top: 58%;
  transform: translate(-50%, -50%);
  width: 180px;
  display: grid;
  justify-items: center;
  z-index: 5;
}

.ava-patient-body {
  position: relative;
  width: 120px;
  height: 190px;
  border-radius: 999px 999px 42px 42px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.16), rgba(99,214,255,.06)),
    rgba(6,18,34,.58);
  border: 1px solid rgba(174,218,255,.22);
  box-shadow:
    inset 0 0 28px rgba(255,255,255,.08),
    0 0 34px rgba(99,214,255,.12);
  backdrop-filter: blur(16px);
}

.ava-patient-head {
  position: absolute;
  top: 18px;
  left: 50%;
  width: 48px;
  height: 48px;
  transform: translateX(-50%);
  border-radius: 50%;
  background:
    radial-gradient(circle at 34% 22%, rgba(255,255,255,.9), rgba(242,200,107,.22) 58%, rgba(5,16,32,.52));
}

.ava-patient-chest {
  position: absolute;
  left: 50%;
  top: 84px;
  width: 76px;
  height: 64px;
  transform: translateX(-50%);
  border-radius: 32px;
  border: 1px solid rgba(99,214,255,.18);
  background: rgba(255,255,255,.045);
}

.ava-patient-breath {
  position: absolute;
  left: 50%;
  top: 96px;
  width: 70px;
  height: 40px;
  transform: translateX(-50%);
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(99,214,255,.22), transparent 68%);
  animation: avaPatientBreath 1.8s ease-in-out infinite;
}

.ava-patient-entity[data-acuity="high"],
.ava-patient-entity[data-acuity="critical"] {
  filter:
    drop-shadow(0 0 28px rgba(255,180,120,.22))
    drop-shadow(0 0 20px rgba(255,90,90,.12));
}

.ava-entity-label {
  margin-top: 10px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(4,14,28,.58);
  border: 1px solid rgba(174,218,255,.18);
  backdrop-filter: blur(12px);
  text-align: center;
}

.ava-entity-label strong {
  display: block;
  color: var(--gold2);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .10em;
}

.ava-entity-label span {
  display: block;
  margin-top: 3px;
  font-size: 10px;
  color: rgba(226,237,250,.68);
}

.ava-monitor-entity {
  right: 6%;
  top: 26%;
  width: 230px;
  z-index: 6;
}

.ava-monitor-screen {
  min-height: 140px;
  border-radius: 20px;
  border: 1px solid rgba(99,214,255,.28);
  background:
    linear-gradient(180deg, rgba(0,0,0,.30), rgba(4,14,28,.70)),
    rgba(0,20,34,.72);
  box-shadow:
    inset 0 0 24px rgba(99,214,255,.10),
    0 0 32px rgba(99,214,255,.12);
  padding: 16px;
}

.ava-monitor-line {
  height: 34px;
  margin-bottom: 12px;
  background:
    linear-gradient(90deg,
      transparent 0 10%,
      rgba(99,214,255,.8) 12%,
      transparent 14%,
      transparent 28%,
      rgba(99,214,255,.9) 31%,
      transparent 34%,
      transparent 100%);
  background-size: 120px 100%;
  animation: avaMonitorSweep 1.4s linear infinite;
  filter: drop-shadow(0 0 8px rgba(99,214,255,.55));
}

.ava-monitor-vitals {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.ava-monitor-vitals b {
  color: rgba(180,255,218,.88);
  font-size: 13px;
  font-weight: 800;
}

.ava-monitor-entity[data-alert="watch"],
.ava-monitor-entity[data-alert="critical"] {
  filter: drop-shadow(0 0 22px rgba(242,200,107,.22));
}

.ava-nurse-entity {
  left: 6%;
  top: 38%;
  width: 220px;
  z-index: 6;
  display: grid;
  gap: 10px;
  justify-items: center;
}

.ava-nurse-avatar {
  width: 74px;
  height: 112px;
  border-radius: 999px 999px 28px 28px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.18), rgba(99,214,255,.07)),
    rgba(4,14,28,.56);
  border: 1px solid rgba(174,218,255,.20);
  backdrop-filter: blur(16px);
}

.ava-nurse-avatar:before {
  content: "";
  display: block;
  width: 34px;
  height: 34px;
  margin: 12px auto 0;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 24%, white, rgba(99,214,255,.28));
}

.ava-nurse-bubble {
  padding: 10px 12px;
  border-radius: 18px;
  background: rgba(4,14,28,.68);
  border: 1px solid rgba(174,218,255,.18);
  color: rgba(226,237,250,.82);
  font-size: 12px;
  line-height: 1.35;
  text-align: center;
  backdrop-filter: blur(14px);
}

.ava-atlas-entity {
  left: 12%;
  top: 24%;
  width: 150px;
  z-index: 7;
  display: grid;
  justify-items: center;
}

.ava-atlas-core {
  width: 82px;
  height: 82px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 34% 20%, rgba(255,255,255,.96), rgba(242,200,107,.28) 38%, rgba(99,214,255,.16) 70%);
  box-shadow:
    0 0 34px rgba(242,200,107,.26),
    0 0 42px rgba(99,214,255,.18);
}

@keyframes avaPatientBreath {
  0%, 100% { transform: translateX(-50%) scale(.92); opacity: .42; }
  50% { transform: translateX(-50%) scale(1.12); opacity: .86; }
}

@keyframes avaMonitorSweep {
  from { background-position: 0 0; }
  to { background-position: 120px 0; }
}

@media (max-width: 900px) {
  .ava-monitor-entity,
  .ava-nurse-entity,
  .ava-patient-entity {
    transform: scale(.82);
  }

  .ava-monitor-entity {
    right: 2%;
  }

  .ava-nurse-entity {
    left: 2%;
  }
}

/* ============================================================
   PHASE 3B — WORLD SCENE PROFILES
============================================================ */

body[data-ava-real-world="scenario"] .ava-real-canvas {
  opacity: .38;
}

body[data-ava-real-world="scenario"] .ava-real-atlas-body {
  opacity: .46;
}

body[data-ava-real-world="scenario"] .ava-real-visual-panel {
  right: 24px;
  left: auto;
  bottom: 24px;
  transform: none;
}

body[data-ava-real-world="scenario"] .ava-entity-stage {
  z-index: 25;
}

body[data-ava-real-world="lecture"] .ava-real-canvas {
  opacity: .32;
}

body[data-ava-real-world="hospital"] .ava-real-canvas {
  opacity: .44;
}

body[data-ava-real-world="ava_world"] .ava-real-canvas {
  opacity: .52;
}

/* ============================================================
   SCENARIO BRIDGE CONTAINMENT
============================================================ */

.ava-entity-stage-contained {
  position: absolute !important;
  inset: 0 !important;
  z-index: 8 !important;
  pointer-events: none !important;
  overflow: hidden !important;
}

#avatarStage .ava-room-entity {
  position: absolute !important;
  inset: 0 !important;
}

#avatarStage .ava-patient-entity {
  left: 50% !important;
  top: 56% !important;
  transform: translate(-50%, -50%) scale(.82) !important;
}

#avatarStage .ava-monitor-entity {
  right: 3% !important;
  top: 12% !important;
  transform: scale(.78) !important;
  transform-origin: top right !important;
}

#avatarStage .ava-nurse-entity {
  left: 3% !important;
  top: 24% !important;
  transform: scale(.78) !important;
  transform-origin: top left !important;
}

body[data-ava-real-world="scenario"] .ava-real-atlas-body {
  display: none !important;
}

body[data-ava-real-world="scenario"] .ava-real-visual-panel {
  display: none !important;
}

/* ============================================================
   PHASE 4C — AVA CLINICAL THEATER OPERATING SHELL
============================================================ */

body[data-ava-clinical-shell="online"] .wrap {
  gap: 16px;
}

.ava-shell-left,
.ava-shell-center,
.ava-shell-right {
  position: relative;
  z-index: 12;
}

.ava-shell-center {
  overflow: hidden;
}

.ava-clinical-bottom-nav {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  height: 62px;
  z-index: 100;
  display: flex;
  justify-content: center;
  gap: 18px;
  padding: 10px 18px;
  background:
    linear-gradient(180deg, rgba(4,10,20,.68), rgba(2,6,14,.94));
  border-top: 1px solid rgba(174,218,255,.18);
  backdrop-filter: blur(18px);
}

.ava-clinical-bottom-nav a {
  color: rgba(226,237,250,.72);
  text-decoration: none;
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.ava-clinical-bottom-nav a.active,
.ava-clinical-bottom-nav a:hover {
  color: var(--gold2, #ffe2a3);
  background: rgba(242,200,107,.10);
}

.ava-sovereign-voice {
  position: fixed;
  right: 24px;
  bottom: 76px;
  z-index: 110;
  min-width: 280px;
  padding: 12px 14px;
  border-radius: 18px;
  background: rgba(3,10,22,.82);
  border: 1px solid rgba(174,218,255,.18);
  box-shadow:
    0 24px 60px rgba(0,0,0,.38),
    0 0 30px rgba(99,214,255,.10);
  backdrop-filter: blur(18px);
}

.ava-sovereign-voice strong {
  display: block;
  color: var(--gold2, #ffe2a3);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .10em;
}

.ava-sovereign-voice span {
  display: block;
  margin-top: 3px;
  color: rgba(226,237,250,.68);
  font-size: 11px;
}

.ava-voice-wave {
  display: flex;
  align-items: center;
  gap: 3px;
  height: 38px;
  margin-top: 8px;
}

.ava-voice-wave i {
  width: 3px;
  border-radius: 999px;
  background: rgba(99,214,255,.85);
  box-shadow: 0 0 10px rgba(99,214,255,.45);
  animation: avaVoiceWave 900ms ease-in-out infinite;
}

@keyframes avaVoiceWave {
  0%, 100% {
    transform: scaleY(.45);
    opacity: .45;
  }

  50% {
    transform: scaleY(1.1);
    opacity: 1;
  }
}

#avatarStage[data-environment="icu"] {
  background:
    radial-gradient(circle at 50% 42%, rgba(167,243,208,.16), transparent 38%),
    linear-gradient(180deg, rgba(8,32,34,.95), rgba(3,7,18,.96));
}

#avatarStage[data-environment="or"] {
  background:
    radial-gradient(circle at 50% 34%, rgba(255,255,255,.20), transparent 40%),
    linear-gradient(180deg, rgba(28,38,48,.96), rgba(3,7,18,.98));
}

#avatarStage[data-environment="clinic"] {
  background:
    radial-gradient(circle at 40% 20%, rgba(255,255,255,.22), transparent 34%),
    linear-gradient(180deg, rgba(20,38,54,.92), rgba(8,18,26,.96));
}

#scenePanel[data-telemetry-mode="shock"] {
  border-color: rgba(255,92,122,.50);
  box-shadow: 0 0 36px rgba(255,92,122,.14);
}

#scenePanel[data-telemetry-mode="hypoxia"] {
  border-color: rgba(99,214,255,.45);
  box-shadow: 0 0 36px rgba(99,214,255,.16);
}

#scenePanel[data-telemetry-mode="tachycardia"] {
  border-color: rgba(242,200,107,.44);
  box-shadow: 0 0 36px rgba(242,200,107,.14);
}

/* ============================================================
   PHASE 4E — EMBODIED HUMAN REALISM SCAFFOLD
============================================================ */

.ava-embodied-human {
  position: absolute;
  width: 180px;
  min-height: 260px;
  z-index: 30;
  pointer-events: none;
  transform: translate(-50%, -50%);
}

.ava-human-aura {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(103,232,249,.18), transparent 65%);
  filter: blur(18px);
}

.ava-human-body {
  position: relative;
  width: 120px;
  height: 190px;
  margin: 0 auto;
}

.ava-human-head {
  position: absolute;
  left: 50%;
  top: 8px;
  width: 54px;
  height: 62px;
  transform: translateX(-50%);
  border-radius: 46% 46% 48% 48%;
  background: linear-gradient(180deg, rgba(255,236,216,.96), rgba(176,125,96,.86));
  box-shadow: inset -8px -10px 20px rgba(40,20,10,.22), 0 0 20px rgba(255,255,255,.10);
}

.ava-human-torso {
  position: absolute;
  left: 50%;
  top: 72px;
  width: 100px;
  height: 110px;
  transform: translateX(-50%);
  border-radius: 32px 32px 24px 24px;
  background: linear-gradient(180deg, rgba(103,232,249,.78), rgba(30,64,120,.86));
  border: 1px solid rgba(255,255,255,.18);
}

.ava-human-pulse {
  position: absolute;
  left: 50%;
  top: 118px;
  width: 24px;
  height: 24px;
  transform: translateX(-50%);
  border-radius: 50%;
  background: rgba(250,204,21,.85);
  box-shadow: 0 0 26px rgba(250,204,21,.55);
  animation: avaHumanPulse 1.3s infinite;
}

.ava-human-label,
.ava-human-state {
  position: relative;
  text-align: center;
  margin-top: 6px;
  color: rgba(234,242,255,.88);
  font-size: 12px;
}

.ava-human-label {
  color: var(--gold2, #ffe2a3);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.ava-embodied-human[data-speaking="true"] .ava-human-head {
  box-shadow: 0 0 32px rgba(250,204,21,.45);
}

@keyframes avaHumanPulse {
  0%, 100% { transform: translateX(-50%) scale(.85); opacity: .55; }
  50% { transform: translateX(-50%) scale(1.15); opacity: 1; }
}