:root{
  --rva-gate-navy:#071a35;
  --rva-gate-blue:#1769d2;
  --rva-gate-blue-2:#2f8bf1;
  --rva-gate-text:#102038;
  --rva-gate-muted:#62728a;
  --rva-gate-line:#dce5ef;
  --rva-gate-bg:#f8fbff;
  --rva-gate-white:#fff;
}

html.rva-gate-locked,
html.rva-gate-locked body{
  overflow:hidden!important;
  overscroll-behavior:none;
}

.rva-research-gate{
  position:fixed;
  inset:0;
  z-index:2147483647;
  display:flex;
  align-items:center;
  justify-content:center;
  box-sizing:border-box;
  overflow:auto;
  padding:22px 16px;
  background:rgba(249,251,254,.975);
  color:var(--rva-gate-text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
}

html.rva-gate-verified .rva-research-gate{
  display:none!important;
}

.rva-gate-canvas{
  position:fixed;
  inset:0;
  pointer-events:none;
  overflow:hidden;
  background:
    radial-gradient(circle at 50% 22%,rgba(255,255,255,1) 0,rgba(255,255,255,.8) 34%,rgba(246,250,254,.32) 66%,transparent 84%),
    linear-gradient(180deg,#fff 0%,#f9fbfe 55%,#f4f8fc 100%);
}

.rva-gate-wash{
  position:absolute;
  border-radius:50%;
  filter:blur(82px);
  opacity:.72;
}

.rva-gate-wash-a{
  width:440px;
  height:440px;
  right:-145px;
  top:-145px;
  background:rgba(78,151,231,.10);
}

.rva-gate-wash-b{
  width:400px;
  height:400px;
  left:-170px;
  bottom:-175px;
  background:rgba(106,174,239,.09);
}

.rva-gate-helix{
  position:absolute;
  fill:none;
  pointer-events:none;
  transform-origin:50% 50%;
  will-change:transform,opacity,filter;
}

.rva-gate-helix-right{
  width:540px;
  height:1260px;
  right:-14px;
  top:48.5%;
  opacity:1;
  filter:drop-shadow(0 22px 48px rgba(45,107,186,.13));
  animation:rvaHelixRightFloat 14s cubic-bezier(.38,.06,.58,.96) infinite alternate;
}

.rva-gate-helix-left{
  width:320px;
  height:860px;
  left:-104px;
  bottom:-170px;
  opacity:.76;
  filter:drop-shadow(0 18px 34px rgba(68,126,199,.09));
  animation:rvaHelixLeftFloat 17s cubic-bezier(.38,.06,.58,.96) infinite alternate;
}

.rva-helix-group{
  transform-origin:50% 50%;
  animation:rvaHelixBreath 7.8s ease-in-out infinite;
}

.rva-gate-helix-left .rva-helix-group{
  animation-duration:9.2s;
}

.rva-helix-glow{
  stroke-width:24;
  stroke-linecap:round;
  opacity:.28;
  filter:blur(1.2px);
}

.rva-helix-main{
  stroke-width:8.35;
  stroke-linecap:round;
}

.rva-helix-sheen{
  stroke:#ffffff;
  stroke-width:3.25;
  stroke-linecap:round;
  stroke-dasharray:56 180;
  opacity:.92;
  filter:drop-shadow(0 0 8px rgba(255,255,255,.55));
  animation:rvaHelixSheen 8.6s linear infinite;
}

.rva-helix-sheen-delay{
  animation-duration:10.2s;
  animation-delay:-2.1s;
}

.rva-helix-accent{
  stroke:rgba(124,183,238,.52);
  stroke-width:1.8;
  stroke-linecap:round;
  stroke-dasharray:18 14;
  opacity:.82;
  animation:rvaHelixTrace 11.5s linear infinite;
}

.rva-helix-accent-delay{
  animation-duration:13.3s;
  animation-delay:-3.2s;
}

.rva-helix-rungs{
  transform-box:fill-box;
  transform-origin:center;
}

.rva-helix-rungs line{
  stroke:#deebf8;
  stroke-width:2.35;
  stroke-linecap:round;
  opacity:.93;
  transform-box:fill-box;
  transform-origin:center;
  animation:rvaHelixRungPulse 6.6s ease-in-out infinite;
}

.rva-helix-rungs line:nth-child(odd){
  stroke:#d0e2f6;
}

.rva-helix-rungs line:nth-child(even){
  stroke:#eef4fb;
  animation-delay:-1.1s;
}

.rva-helix-rungs line:nth-child(3n){
  animation-delay:-2.4s;
}

.rva-helix-rungs line:nth-child(4n){
  animation-delay:-3.5s;
}

.rva-helix-nodes{
  fill:#f7fbff;
  opacity:.94;
}

.rva-helix-nodes circle{
  transform-box:fill-box;
  transform-origin:center;
  filter:drop-shadow(0 0 5px rgba(255,255,255,.55));
  animation:rvaHelixNodePulse 5.4s ease-in-out infinite;
}

.rva-helix-nodes circle:nth-child(3n){
  animation-delay:-.9s;
}

.rva-helix-nodes circle:nth-child(4n){
  animation-delay:-1.8s;
}

.rva-helix-nodes circle:nth-child(5n){
  animation-delay:-2.6s;
}

@keyframes rvaHelixTrace{
  to{stroke-dashoffset:-148}
}

@keyframes rvaHelixSheen{
  to{stroke-dashoffset:-472}
}

@keyframes rvaHelixBreath{
  0%,100%{transform:scale(1)}
  50%{transform:scale(1.018)}
}

@keyframes rvaHelixNodePulse{
  0%,100%{
    transform:scale(1);
    opacity:.84;
  }
  50%{
    transform:scale(1.24);
    opacity:1;
  }
}

@keyframes rvaHelixRungPulse{
  0%,100%{
    opacity:.76;
    transform:scaleX(1);
  }
  50%{
    opacity:1;
    transform:scaleX(1.08);
  }
}

@keyframes rvaHelixRightFloat{
  0%{
    transform:translate3d(22px,-52%,0) rotate(8.5deg) scale(.975);
  }
  50%{
    transform:translate3d(-6px,-49.6%,0) rotate(3.2deg) scale(1.02);
  }
  100%{
    transform:translate3d(-46px,-46.2%,0) rotate(-2.25deg) scale(1.012);
  }
}

@keyframes rvaHelixLeftFloat{
  0%{
    transform:translate3d(-10px,14px,0) rotate(-18deg) scale(.965);
  }
  50%{
    transform:translate3d(11px,-7px,0) rotate(-12.5deg) scale(1.02);
  }
  100%{
    transform:translate3d(34px,-28px,0) rotate(-8deg) scale(1.008);
  }
}


.rva-gate-shell{
  position:relative;
  z-index:2;
  width:min(100%,500px);
  margin:auto;
  text-align:center;
}

.rva-gate-logo-wrap{
  display:flex;
  align-items:center;
  justify-content:center;
  height:70px;
  margin-bottom:8px;
}

.rva-gate-logo{
  display:block;
  width:auto;
  max-width:205px;
  max-height:72px;
  height:auto;
  object-fit:contain;
  filter:drop-shadow(0 6px 11px rgba(21,63,118,.07));
}

.rva-gate-card{
  position:relative;
  overflow:hidden;
  box-sizing:border-box;
  padding:24px 27px 18px;
  border:1px solid rgba(188,203,220,.72);
  border-radius:19px;
  background:rgba(255,255,255,.965);
  box-shadow:
    0 22px 58px rgba(22,56,96,.095),
    0 3px 12px rgba(18,46,82,.04);
  text-align:left;
}

.rva-gate-card:before{
  content:"";
  position:absolute;
  left:28px;
  right:28px;
  top:0;
  height:2px;
  border-radius:0 0 4px 4px;
  background:linear-gradient(90deg,transparent,rgba(35,111,196,.5),transparent);
}

.rva-gate-card-head{
  text-align:center;
}

.rva-gate-shield{
  display:flex;
  align-items:center;
  justify-content:center;
  width:28px;
  height:28px;
  margin:0 auto 9px;
  color:#1b5faf;
}

.rva-gate-shield svg{
  width:26px;
  height:26px;
}

.rva-gate-shield path{
  stroke:currentColor;
  stroke-width:1.55;
  stroke-linecap:round;
  stroke-linejoin:round;
}

.rva-gate-kicker{
  display:none;
}

.rva-gate-card h2{
  margin:0;
  color:#0c1c33;
  font-size:27px;
  font-weight:740;
  line-height:1.14;
  letter-spacing:-.7px;
}

.rva-gate-card-head p{
  max-width:410px;
  margin:8px auto 0;
  color:#62728a;
  font-size:12.4px;
  line-height:1.5;
}

.rva-gate-checks{
  display:grid;
  gap:8px;
  margin:18px 0 15px;
}

.rva-gate-check-row{
  position:relative;
  display:grid;
  grid-template-columns:21px 1fr;
  align-items:center;
  gap:11px;
  min-height:52px;
  box-sizing:border-box;
  padding:11px 13px;
  border:1px solid #dde6f0;
  border-radius:10px;
  background:#fff;
  cursor:pointer;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}

.rva-gate-check-row:hover{
  border-color:#c8d7e8;
  background:#fbfdff;
}

.rva-gate-check-row:has(input:checked){
  border-color:#b5cee9;
  background:#fbfdff;
  box-shadow:0 0 0 2px rgba(31,105,188,.04);
}

.rva-gate-check-row input{
  position:absolute;
  width:1px;
  height:1px;
  opacity:0;
  pointer-events:none;
}

.rva-gate-check-box{
  display:flex;
  align-items:center;
  justify-content:center;
  width:19px;
  height:19px;
  box-sizing:border-box;
  border:1.5px solid #9eabb9;
  border-radius:4px;
  background:#fff;
  color:#fff;
  transition:background .16s ease,border-color .16s ease,transform .16s ease;
}

.rva-gate-check-box svg{
  width:13px;
  height:13px;
}

.rva-gate-check-box path{
  stroke:currentColor;
  stroke-width:2.1;
  stroke-linecap:round;
  stroke-linejoin:round;
}

.rva-gate-check-row input:checked+.rva-gate-check-box{
  border-color:#135da9;
  background:#135da9;
}

.rva-gate-check-row input:focus-visible+.rva-gate-check-box{
  outline:3px solid rgba(47,139,241,.18);
  outline-offset:3px;
}

.rva-gate-check-copy{
  color:#35465d;
  font-size:12.1px;
  line-height:1.42;
}

.rva-gate-check-copy strong{
  color:#142a48;
  font-weight:750;
}

.rva-gate-enter{
  display:flex;
  align-items:center;
  justify-content:center;
  width:100%;
  min-height:47px;
  gap:10px;
  box-sizing:border-box;
  margin:0;
  padding:12px 20px;
  border:0;
  border-radius:10px;
  background:linear-gradient(180deg,#12467d 0%,#0b3766 100%);
  box-shadow:0 9px 20px rgba(13,56,103,.15),inset 0 1px 0 rgba(255,255,255,.12);
  color:#fff;
  cursor:pointer;
  font:inherit;
  font-size:11.6px;
  font-weight:800;
  letter-spacing:1.35px;
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease,opacity .18s ease;
}

.rva-gate-enter svg{
  width:17px;
  height:17px;
}

.rva-gate-enter path{
  stroke:currentColor;
  stroke-width:1.8;
  stroke-linecap:round;
  stroke-linejoin:round;
}

.rva-gate-enter:not(:disabled):hover{
  transform:translateY(-1px);
  filter:brightness(1.05);
  box-shadow:0 12px 25px rgba(13,56,103,.19),inset 0 1px 0 rgba(255,255,255,.14);
}

.rva-gate-enter:not(:disabled):active{
  transform:translateY(0);
}

.rva-gate-enter:disabled{
  opacity:.34;
  cursor:not-allowed;
  box-shadow:none;
}

.rva-gate-enter:focus-visible{
  outline:3px solid rgba(47,139,241,.2);
  outline-offset:3px;
}

.rva-gate-memory{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:6px;
  margin:9px 0 0;
  color:#7a889a;
  font-size:9.4px;
  line-height:1.35;
  text-align:center;
}

.rva-gate-memory svg{
  width:13px;
  height:13px;
  flex:0 0 13px;
}

.rva-gate-memory path{
  stroke:#6683a6;
  stroke-width:1.55;
  stroke-linecap:round;
  stroke-linejoin:round;
}

.rva-gate-rule{
  height:1px;
  margin:14px 0 10px;
  background:linear-gradient(90deg,transparent,#e0e7ef 16%,#e0e7ef 84%,transparent);
}

.rva-gate-legal{
  margin:0 auto;
  max-width:430px;
  color:#7a8798;
  font-size:8.8px;
  line-height:1.5;
  text-align:center;
}

.rva-gate-legal a{
  color:#1c5fa9;
  font-weight:700;
  text-decoration:underline;
  text-decoration-thickness:1px;
  text-underline-offset:2px;
}

.rva-gate-exit{
  display:block;
  margin:8px auto 0;
  padding:5px 10px;
  border:0;
  background:transparent;
  color:#8693a3;
  cursor:pointer;
  font:inherit;
  font-size:9.3px;
  line-height:1.35;
}

.rva-gate-exit span{
  color:#315d8c;
  font-weight:700;
  text-decoration:underline;
  text-underline-offset:2px;
}

.rva-gate-exit:hover span{
  color:#184f87;
}

.rva-gate-exit:focus-visible{
  outline:3px solid rgba(47,139,241,.16);
  outline-offset:2px;
  border-radius:7px;
}

@media(max-width:700px){
  .rva-research-gate{
    align-items:center;
    padding:14px 11px;
  }

  .rva-gate-shell{
    width:min(100%,378px);
  }

  .rva-gate-logo-wrap{
    height:58px;
    margin-bottom:7px;
  }

  .rva-gate-logo{
    max-width:158px;
    max-height:58px;
  }

  .rva-gate-card{
    padding:20px 15px 15px;
    border-radius:17px;
    box-shadow:0 17px 38px rgba(22,56,96,.09),0 2px 8px rgba(18,46,82,.035);
  }

  .rva-gate-card:before{
    left:20px;
    right:20px;
  }

  .rva-gate-shield{
    width:25px;
    height:25px;
    margin-bottom:7px;
  }

  .rva-gate-shield svg{
    width:23px;
    height:23px;
  }

  .rva-gate-card h2{
    font-size:22px;
    letter-spacing:-.45px;
  }

  .rva-gate-card-head p{
    max-width:315px;
    margin-top:6px;
    font-size:10.9px;
    line-height:1.45;
  }

  .rva-gate-checks{
    gap:7px;
    margin:15px 0 12px;
  }

  .rva-gate-check-row{
    grid-template-columns:19px 1fr;
    gap:9px;
    min-height:48px;
    padding:9px 10px;
    border-radius:9px;
  }

  .rva-gate-check-box{
    width:18px;
    height:18px;
  }

  .rva-gate-check-copy{
    font-size:10.7px;
    line-height:1.38;
  }

  .rva-gate-enter{
    min-height:45px;
    border-radius:9px;
    font-size:10.8px;
  }

  .rva-gate-memory{
    margin-top:8px;
    font-size:8.7px;
  }

  .rva-gate-rule{
    margin:12px 0 9px;
  }

  .rva-gate-legal{
    font-size:8px;
    line-height:1.45;
  }

  .rva-gate-exit{
    margin-top:7px;
    font-size:8.8px;
  }

  .rva-gate-helix-right{
    width:388px;
    height:930px;
    right:-164px;
  }

  .rva-gate-helix-left{
    width:222px;
    height:610px;
    left:-130px;
    bottom:-172px;
  }

  .rva-gate-wash-a{
    width:310px;
    height:310px;
  }

  .rva-gate-wash-b{
    width:290px;
    height:290px;
  }
}

@media(max-height:680px){
  .rva-research-gate{
    align-items:flex-start;
    padding-top:8px;
    padding-bottom:8px;
  }

  .rva-gate-logo-wrap{
    height:45px;
    margin-bottom:5px;
  }

  .rva-gate-logo{
    max-width:138px;
    max-height:45px;
  }

  .rva-gate-card{
    padding-top:14px;
    padding-bottom:12px;
  }

  .rva-gate-shield{
    display:none;
  }

  .rva-gate-card h2{
    font-size:20px;
  }

  .rva-gate-card-head p{
    font-size:10px;
  }

  .rva-gate-checks{
    margin-top:11px;
    margin-bottom:10px;
  }

  .rva-gate-check-row{
    min-height:44px;
    padding-top:7px;
    padding-bottom:7px;
  }

  .rva-gate-memory{
    display:none;
  }

  .rva-gate-rule{
    margin-top:10px;
  }
}

@media(prefers-reduced-motion:reduce){
  .rva-gate-helix-right,
  .rva-gate-helix-left,
  .rva-helix-group,
  .rva-helix-sheen,
  .rva-helix-accent,
  .rva-helix-rungs line,
  .rva-helix-nodes circle{
    animation:none;
  }

  .rva-gate-enter,
  .rva-gate-check-row,
  .rva-gate-check-box{
    transition:none;
  }
}