:root{
  --bg1:#0c1f24;
  --bg2:#123a3a;
  --accent:#f5a742;
  --accent2:#ffd27a;
  --card-bg:rgba(255,255,255,0.05);
  --text:#f3f7f6;
  --text-dim:#b9cbc9;
}

*{box-sizing:border-box;}

body{
  margin:0;
  min-height:100vh;
  font-family:'Segoe UI', system-ui, -apple-system, sans-serif;
  background:radial-gradient(circle at 20% 20%, var(--bg2), var(--bg1) 70%);
  color:var(--text);
  display:flex;
  align-items:center;
  justify-content:center;
  padding:24px;
}

.wrap{
  width:100%;
  max-width:560px;
}

.screen{display:none;}
.screen.active{display:block; animation:fadeIn .4s ease;}

@keyframes fadeIn{
  from{opacity:0; transform:translateY(8px);}
  to{opacity:1; transform:translateY(0);}
}

.card{
  background:var(--card-bg);
  border:1px solid rgba(255,255,255,0.12);
  border-radius:20px;
  padding:40px 32px;
  backdrop-filter:blur(10px);
  text-align:center;
  box-shadow:0 20px 60px rgba(0,0,0,0.35);
}

.badge{
  display:inline-block;
  background:rgba(255,111,145,0.15);
  border:1px solid rgba(255,111,145,0.4);
  color:var(--accent);
  font-size:13px;
  font-weight:600;
  padding:6px 14px;
  border-radius:999px;
  margin-bottom:18px;
}

h1{
  font-size:28px;
  margin:0 0 12px;
  line-height:1.25;
}

h2{
  font-size:22px;
  margin:0 0 20px;
  line-height:1.3;
}

.subtitle{
  color:var(--text-dim);
  font-size:15px;
  line-height:1.5;
  margin:0 0 26px;
}

.tiny{
  color:var(--text-dim);
  font-size:12px;
  margin-top:16px;
  opacity:0.8;
}

.btn-primary{
  background:linear-gradient(135deg, var(--accent), var(--accent2));
  color:#2b0f1c;
  border:none;
  font-weight:700;
  font-size:15px;
  padding:14px 28px;
  border-radius:12px;
  cursor:pointer;
  width:100%;
  transition:transform .15s ease, box-shadow .15s ease;
}

.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 8px 20px rgba(255,111,145,0.35);
}

.progress-track{
  height:6px;
  background:rgba(255,255,255,0.12);
  border-radius:999px;
  overflow:hidden;
  margin-bottom:14px;
}

.progress-fill{
  height:100%;
  width:0%;
  background:linear-gradient(90deg, var(--accent), var(--accent2));
  transition:width .35s ease;
}

.q-counter{
  color:var(--text-dim);
  font-size:13px;
  margin:0 0 10px;
  text-align:left;
}

#q-text{
  text-align:left;
}

.q-hint{
  color:var(--text-dim);
  font-size:13px;
  text-align:left;
  margin:-14px 0 18px;
}

.options{
  display:flex;
  flex-direction:column;
  gap:10px;
}

.option-btn{
  background:rgba(255,255,255,0.05);
  border:1px solid rgba(255,255,255,0.15);
  color:var(--text);
  text-align:left;
  padding:14px 16px;
  border-radius:12px;
  font-size:15px;
  cursor:pointer;
  transition:all .15s ease;
}

.option-btn:hover{
  background:rgba(255,111,145,0.15);
  border-color:var(--accent);
}

.option-btn.selected{
  background:rgba(255,111,145,0.25);
  border-color:var(--accent);
}

.option-btn.checkbox-style{
  display:flex;
  align-items:center;
  gap:12px;
}

.option-btn.checkbox-style .checkbox-box{
  width:18px;
  height:18px;
  flex:0 0 auto;
  border:2px solid rgba(255,255,255,0.3);
  border-radius:5px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:12px;
}

.option-btn.checkbox-style.selected .checkbox-box{
  background:var(--accent);
  border-color:var(--accent);
}

.hidden{
  display:none !important;
}

#screen-info .card,
#screen-loading .card{
  text-align:center;
}

.loading-percent{
  font-size:32px;
  font-weight:700;
  margin-bottom:14px;
}

.loading-steps{
  list-style:none;
  padding:0;
  margin:20px 0 0;
  text-align:left;
  display:flex;
  flex-direction:column;
  gap:12px;
}

.loading-steps li{
  color:var(--text-dim);
  font-size:14px;
  padding-left:26px;
  position:relative;
  transition:color .2s ease;
}

.loading-steps li::before{
  content:"";
  position:absolute;
  left:0;
  top:2px;
  width:16px;
  height:16px;
  border-radius:50%;
  border:2px solid rgba(255,255,255,0.25);
}

.loading-steps li.done{
  color:var(--text);
}

.loading-steps li.done::before{
  background:var(--accent);
  border-color:var(--accent);
}

#email-form{
  display:flex;
  flex-direction:column;
  gap:12px;
}

#email-input{
  background:rgba(255,255,255,0.08);
  border:1px solid rgba(255,255,255,0.2);
  color:var(--text);
  padding:14px 16px;
  border-radius:12px;
  font-size:15px;
}

#email-input::placeholder{
  color:var(--text-dim);
}

#email-error{
  color:#ff9b9b;
  min-height:16px;
}

@media (max-width:480px){
  .card{padding:30px 22px;}
  h1{font-size:24px;}
}