html,body{
  margin:0;
  width:100%;
  min-height:100%;
  background:#020617;
  color:#e5f7ff;
  font-family:"Rajdhani","Segoe UI",Arial,sans-serif;
}

body{
  overflow:hidden;
}

.signup-page{
  position:relative;
  width:100vw;
  height:100vh;
  overflow:hidden;
  background:
    radial-gradient(circle at 22% 28%, rgba(34,211,238,.16), transparent 34%),
    radial-gradient(circle at 78% 58%, rgba(251,191,36,.12), transparent 34%),
    linear-gradient(135deg,#020617,#030712 52%,#07111f);
}

.grid{
  position:absolute;
  inset:-20%;
  background-image:
    linear-gradient(rgba(34,211,238,.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34,211,238,.08) 1px, transparent 1px);
  background-size:54px 54px;
  transform:perspective(700px) rotateX(62deg) translateY(14%);
  transform-origin:center bottom;
  opacity:.34;
}

.scanline{
  position:absolute;
  inset:0;
  height:18vh;
  background:linear-gradient(to bottom, transparent, rgba(34,211,238,.08), transparent);
  animation:scan 4.2s infinite linear;
  opacity:.55;
  z-index:2;
  pointer-events:none;
}

.terminal-intro{
  position:absolute;
  left:7vw;
  top:14vh;
  width:min(690px,42vw);
  z-index:3;
}

.terminal-label{
  display:inline-flex;
  padding:8px 12px;
  border:1px solid rgba(125,249,255,.35);
  color:#67e8f9;
  font-size:13px;
  letter-spacing:.18em;
  background:rgba(2,6,23,.62);
  box-shadow:0 0 30px rgba(34,211,238,.18);
}

h1{
  margin:24px 0 16px;
  font-size:clamp(42px,5.3vw,84px);
  line-height:.92;
  letter-spacing:-.04em;
  color:#fff;
  text-shadow:0 0 24px rgba(34,211,238,.70),0 0 90px rgba(251,191,36,.28);
}

.typed-intro{
  min-height:135px;
  font-size:clamp(21px,1.65vw,29px);
  line-height:1.45;
  color:#d7faff;
  text-shadow:0 0 18px rgba(34,211,238,.16);
}

.cursor{
  display:inline-block;
  width:9px;
  height:1.05em;
  background:#67e8f9;
  margin-left:4px;
  vertical-align:-.15em;
  animation:blink .8s steps(2,end) infinite;
  box-shadow:0 0 16px rgba(34,211,238,.9);
}

.academic-note{
  margin-top:18px;
  max-width:650px;
  padding:14px 16px;
  border-radius:18px;
  border:1px solid rgba(251,191,36,.28);
  background:rgba(2,6,23,.58);
  color:#fef3c7;
  font-size:17px;
  line-height:1.45;
  box-shadow:0 0 28px rgba(251,191,36,.16), inset 0 0 20px rgba(251,191,36,.06);
}

.signup-card{
  position:absolute;
  right:7vw;
  top:7vh;
  width:min(500px,40vw);
  z-index:4;
  padding:26px;
  border-radius:30px;
  border:1px solid rgba(125,249,255,.25);
  background:rgba(2,6,23,.72);
  box-shadow:0 0 52px rgba(34,211,238,.17), inset 0 0 28px rgba(34,211,238,.06);
  backdrop-filter:blur(14px);
}

.google-btn,
.create-btn,
.small-btn{
  display:flex;
  align-items:center;
  justify-content:center;
  box-sizing:border-box;
  min-height:48px;
  border-radius:999px;
  text-decoration:none;
  font:inherit;
  font-weight:900;
  letter-spacing:.04em;
  cursor:pointer;
}

.google-btn{
  width:100%;
  color:#e0fbff;
  background:rgba(46,16,101,.46);
  border:1px solid rgba(167,139,250,.45);
  box-shadow:0 0 30px rgba(129,140,248,.26), inset 0 0 20px rgba(129,140,248,.10);
}

.divider{
  margin:16px 0 12px;
  text-align:center;
  color:#94a3b8;
  font-size:15px;
}

.steps{
  display:flex;
  gap:8px;
  margin:12px 0 10px;
  flex-wrap:wrap;
}

.pill{
  font-size:12px;
  padding:6px 10px;
  border-radius:999px;
  color:#94a3b8;
  border:1px solid rgba(125,249,255,.20);
  background:rgba(2,6,23,.42);
}

.pill.active{
  color:#67e8f9;
  border-color:rgba(34,211,238,.48);
  box-shadow:0 0 18px rgba(34,211,238,.20);
}

label{
  display:block;
  margin-top:12px;
  color:#a5f3fc;
  font-weight:800;
  letter-spacing:.06em;
  font-size:13px;
  text-transform:uppercase;
}

input{
  width:100%;
  box-sizing:border-box;
  margin-top:7px;
  border-radius:16px;
  border:1px solid rgba(125,249,255,.24);
  background:rgba(2,6,23,.72);
  color:#e5f7ff;
  padding:12px 14px;
  font:inherit;
  outline:none;
  box-shadow:inset 0 0 18px rgba(34,211,238,.05);
}

input:focus{
  border-color:rgba(34,211,238,.7);
  box-shadow:0 0 22px rgba(34,211,238,.20), inset 0 0 18px rgba(34,211,238,.08);
}

.email-row{
  display:grid;
  grid-template-columns:1fr 128px;
  gap:10px;
  align-items:end;
}

.small-btn{
  border:1px solid rgba(125,249,255,.30);
  color:#e0fbff;
  background:rgba(8,47,73,.52);
  box-shadow:0 0 22px rgba(34,211,238,.16), inset 0 0 16px rgba(34,211,238,.08);
}

.create-btn{
  width:100%;
  margin-top:16px;
  color:#fef3c7;
  background:rgba(2,6,23,.74);
  border:1px solid rgba(251,191,36,.36);
  box-shadow:0 0 30px rgba(251,191,36,.18), inset 0 0 20px rgba(251,191,36,.08);
}

.create-btn:hover,
.small-btn:hover,
.google-btn:hover{
  filter:brightness(1.12);
}

.status{
  min-height:22px;
  margin-top:13px;
  font-size:14px;
  line-height:1.42;
  color:#fef3c7;
}

.status.show{
  padding:10px 12px;
  border-radius:14px;
}

.status.error{
  color:#fecaca;
  border:1px solid rgba(248,113,113,.32);
  background:rgba(127,29,29,.24);
}

.status.success{
  color:#bbf7d0;
  border:1px solid rgba(74,222,128,.32);
  background:rgba(20,83,45,.24);
}

.small-link{
  text-align:center;
  color:#94a3b8;
  margin:14px 0 0;
}

.small-link a{
  color:#67e8f9;
  text-decoration:none;
  font-weight:900;
}

.back-home{
  position:absolute;
  left:24px;
  bottom:22px;
  z-index:5;
  color:#a5f3fc;
  text-decoration:none;
  padding:10px 15px;
  border-radius:999px;
  border:1px solid rgba(125,249,255,.28);
  background:rgba(2,6,23,.58);
}

@keyframes scan{
  from{transform:translateY(-22vh)}
  to{transform:translateY(110vh)}
}

@keyframes blink{
  50%{opacity:0}
}

@media(max-width:900px){
  html,body{
    overflow:auto;
  }

  body{
    overflow:auto;
  }

  .signup-page{
    min-height:100vh;
    height:auto;
    overflow:auto;
    padding:30px 0 90px;
  }

  .terminal-intro,
  .signup-card{
    position:relative;
    left:auto;
    right:auto;
    top:auto;
    width:86vw;
    margin:22px auto;
  }

  .terminal-intro{
    margin-top:42px;
  }

  .signup-card{
    box-sizing:border-box;
  }

  h1{
    font-size:clamp(38px,13vw,70px);
  }

  .typed-intro{
    min-height:110px;
    font-size:20px;
  }

  .academic-note{
    font-size:15px;
  }

  .email-row{
    grid-template-columns:1fr;
  }

  .small-btn{
    width:100%;
  }

  .back-home{
    position:fixed;
  }
}