:root{
  --bg:#f6f5f1;
  --paper:#ffffff;
  --text:#1c1b18;
  --muted:#5a5a54;
  --line:rgba(28,27,24,0.12);
  --line-strong:rgba(28,27,24,0.18);
  --accent:#0ea5a4;
  --accent-strong:#0b7d7c;
  --accent-soft:rgba(14,165,164,0.14);
  --warm:#f59e0b;
  --warm-soft:rgba(245,158,11,0.16);
  --danger:#dc2626;
  --success:#15803d;
  --success-soft:rgba(21,128,61,0.12);
  --shadow:0 18px 40px rgba(20,20,18,0.12);
  --shadow-strong:0 28px 60px rgba(20,20,18,0.16);
}

*{box-sizing:border-box}

html,body{
  margin:0;
  min-height:100%;
}

body{
  position:relative;
  background:
    radial-gradient(900px 500px at 10% 0%, rgba(14,165,164,0.18), transparent 55%),
    radial-gradient(800px 520px at 95% 10%, rgba(245,158,11,0.2), transparent 60%),
    linear-gradient(180deg, #f7f5f0 0%, #f3f1ec 100%);
  background-color:var(--bg);
  color:var(--text);
  font-family:"Manrope","Segoe UI",Tahoma,sans-serif;
  letter-spacing:.01em;
  overflow-x:hidden;
}

body::before,
body::after{
  content:"";
  position:fixed;
  width:320px;
  height:320px;
  border-radius:50%;
  filter:blur(50px);
  opacity:.28;
  pointer-events:none;
  z-index:0;
}

body::before{
  top:5%;
  left:-120px;
  background:rgba(14,165,164,.28);
}

body::after{
  right:-120px;
  bottom:10%;
  background:rgba(245,158,11,.22);
}

.survey-app{
  position:relative;
  z-index:1;
  width:min(1080px,100%);
  margin:0 auto;
  padding:32px 18px 56px;
}

.hero{
  position:relative;
  margin-bottom:20px;
  padding:30px;
  border-radius:34px;
  border:1px solid rgba(255,255,255,.35);
  background:
    linear-gradient(135deg, rgba(255,255,255,.92), rgba(255,255,255,.82)),
    linear-gradient(180deg, rgba(255,255,255,.98), rgba(255,255,255,.9));
  box-shadow:var(--shadow-strong);
  backdrop-filter:blur(28px);
  overflow:hidden;
}

.hero::before,
.hero::after{
  content:"";
  position:absolute;
  border-radius:50%;
  pointer-events:none;
}

.hero::before{
  width:280px;
  height:280px;
  top:-150px;
  right:-60px;
  background:radial-gradient(circle, rgba(14,165,164,.22), transparent 70%);
}

.hero::after{
  width:240px;
  height:240px;
  bottom:-140px;
  left:-40px;
  background:radial-gradient(circle, rgba(245,158,11,.18), transparent 72%);
}

.hero__grid{
  position:relative;
  z-index:1;
  display:block;
}

.hero__main{
  min-width:0;
}

.hero__eyebrow,
.progress-card__eyebrow{
  margin:0 0 12px;
  font-size:11px;
  text-transform:uppercase;
  letter-spacing:.42em;
  color:rgba(28,27,24,.48);
}

.hero h1{
  margin:0;
  max-width:720px;
  font-family:"Outfit","Manrope",sans-serif;
  font-size:clamp(34px,5vw,50px);
  line-height:1.02;
}

.hero__text{
  margin:16px 0 0;
  max-width:720px;
  color:var(--muted);
  font-size:15px;
  line-height:1.75;
}

.hero__meta{
  margin-top:20px;
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}

.hero-chip{
  min-width:170px;
  padding:14px 16px;
  border-radius:20px;
  background:rgba(247,247,244,.86);
  border:1px solid rgba(28,27,24,.08);
  display:grid;
  gap:6px;
  box-shadow:0 10px 24px rgba(20,20,18,.06);
}

.hero-chip--accent{
  background:linear-gradient(135deg, rgba(14,165,164,.14), rgba(14,165,164,.06));
  border-color:rgba(14,165,164,.16);
}

.hero-chip__label{
  font-size:12px;
  color:rgba(28,27,24,.56);
}

.progress-shell{
  position:sticky;
  top:18px;
  z-index:18;
  margin-bottom:18px;
}

.progress-card{
  position:relative;
  padding:18px 20px;
  border-radius:24px;
  border:1px solid rgba(255,255,255,.4);
  background:rgba(255,255,255,.86);
  box-shadow:0 20px 36px rgba(20,20,18,.12);
  backdrop-filter:blur(24px);
  overflow:hidden;
}

.progress-card::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 18% 50%, rgba(14,165,164,.12), transparent 34%),
    radial-gradient(circle at 88% 20%, rgba(245,158,11,.14), transparent 28%);
  pointer-events:none;
}

.progress-card__head,
.progress-card__meta{
  position:relative;
  z-index:1;
}

.progress-card__head{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:14px;
}

.progress-card__value{
  font-family:"Outfit","Manrope",sans-serif;
  font-size:34px;
  line-height:1;
}

.progress-card__meta{
  margin-top:10px;
  display:flex;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  color:var(--muted);
  font-size:13px;
}

.progress-bar{
  position:relative;
  z-index:1;
  margin-top:14px;
  height:12px;
  border-radius:999px;
  background:rgba(28,27,24,.08);
  overflow:hidden;
}

.progress-bar__fill{
  display:block;
  width:0;
  height:100%;
  border-radius:inherit;
  background:
    linear-gradient(90deg, rgba(14,165,164,.9), rgba(11,125,124,.95) 55%, rgba(245,158,11,.82));
  box-shadow:0 8px 18px rgba(14,165,164,.2);
  transition:width .26s ease;
}

.survey-layout{
  display:block;
}

.survey-form{
  display:grid;
  gap:18px;
}

.card{
  border-radius:28px;
  border:1px solid var(--line);
  background:linear-gradient(180deg, rgba(255,255,255,.98), rgba(255,255,255,.92));
  box-shadow:var(--shadow);
}

.question-card{
  position:relative;
  overflow:hidden;
  padding:22px 24px;
  display:grid;
  grid-template-columns:64px minmax(0,1fr);
  gap:18px;
  scroll-margin-top:120px;
  transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}

.question-card::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at top right, rgba(14,165,164,.16), transparent 34%),
    radial-gradient(circle at bottom left, rgba(245,158,11,.1), transparent 30%);
  opacity:0;
  transition:opacity .22s ease;
  pointer-events:none;
}

.question-card::after{
  content:attr(data-state);
  position:absolute;
  top:18px;
  right:18px;
  min-height:30px;
  padding:0 12px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:999px;
  background:rgba(255,255,255,.92);
  border:1px solid rgba(28,27,24,.08);
  color:var(--muted);
  font-size:12px;
  font-weight:700;
  letter-spacing:.02em;
  opacity:0;
  transform:translateY(-6px);
  transition:opacity .22s ease, transform .22s ease;
  pointer-events:none;
}

.question-card:hover,
.question-card.is-active{
  transform:translateY(-2px);
  box-shadow:0 24px 46px rgba(20,20,18,.13);
}

.question-card:hover::before,
.question-card.is-active::before,
.question-card.is-complete::before{
  opacity:1;
}

.question-card.is-active{
  border-color:rgba(14,165,164,.28);
}

.question-card.is-complete{
  border-color:rgba(21,128,61,.22);
}

.question-card.is-next{
  border-color:rgba(245,158,11,.24);
}

.question-card.is-active::after,
.question-card.is-complete::after{
  opacity:1;
  transform:translateY(0);
}

.question-card.is-next::after{
  opacity:1;
  transform:translateY(0);
  background:rgba(245,158,11,.12);
  border-color:rgba(245,158,11,.18);
  color:#ad6400;
}

.question-card__number,
.question-card__body{
  position:relative;
  z-index:1;
}

.question-card__number{
  width:64px;
  height:64px;
  border-radius:22px;
  display:grid;
  place-items:center;
  background:linear-gradient(180deg, rgba(14,165,164,.14), rgba(14,165,164,.24));
  color:var(--accent-strong);
  font-family:"Outfit","Manrope",sans-serif;
  font-size:28px;
  font-weight:700;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.5);
  transition:transform .22s ease, background .22s ease, color .22s ease;
}

.question-card.is-active .question-card__number{
  background:linear-gradient(180deg, rgba(245,158,11,.16), rgba(245,158,11,.28));
  color:#ad6400;
  transform:scale(1.04);
}

.question-card.is-complete .question-card__number{
  background:linear-gradient(180deg, rgba(21,128,61,.14), rgba(21,128,61,.24));
  color:var(--success);
}

.question-card.is-next .question-card__number{
  background:linear-gradient(180deg, rgba(245,158,11,.14), rgba(245,158,11,.24));
  color:#ad6400;
}

.question-card__body h2,
.submit-card h2{
  margin:2px 0 0;
  padding-right:130px;
  font-family:"Outfit","Manrope",sans-serif;
  font-size:24px;
  line-height:1.2;
}

.question-card__hint,
.submit-card__text,
.submit-card__note{
  margin:10px 0 0;
  color:var(--muted);
  font-size:14px;
  line-height:1.65;
}

.field{
  display:grid;
  gap:8px;
  margin-top:16px;
}

.field__label{
  font-size:13px;
  color:rgba(28,27,24,.7);
}

.field--required .field__label::after{
  content:" *";
  color:var(--accent-strong);
}

.field__input{
  width:100%;
  min-height:54px;
  padding:14px 16px;
  border-radius:18px;
  border:1px solid rgba(28,27,24,.12);
  background:rgba(255,255,255,.96);
  font:500 15px/1.45 "Manrope","Segoe UI",sans-serif;
  color:var(--text);
  outline:none;
  transition:border-color .18s ease, box-shadow .18s ease, transform .18s ease, background .18s ease;
}

.field__input:hover{
  border-color:rgba(28,27,24,.2);
}

.field__input:focus{
  border-color:rgba(14,165,164,.55);
  box-shadow:0 0 0 4px rgba(14,165,164,.14);
  background:#fff;
}

.field__input--textarea{
  resize:vertical;
  min-height:120px;
}

.option-grid{
  margin-top:16px;
  display:grid;
  gap:12px;
  grid-template-columns:repeat(2,minmax(0,1fr));
}

.option-grid--compact{
  grid-template-columns:repeat(2,minmax(0,220px));
}

.choice,
.rating{
  position:relative;
}

.choice input,
.rating input,
.honeypot{
  position:absolute;
  opacity:0;
  pointer-events:none;
}

.choice span,
.rating span{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:center;
  min-height:58px;
  padding:14px 16px;
  border-radius:20px;
  border:1px solid rgba(28,27,24,.12);
  background:rgba(255,255,255,.92);
  font-size:15px;
  line-height:1.45;
  text-align:center;
  box-shadow:0 10px 20px rgba(20,20,18,.04);
  transition:border-color .18s ease, background .18s ease, color .18s ease, transform .18s ease, box-shadow .18s ease;
}

.choice span::before,
.rating span::before{
  content:"";
  position:absolute;
  inset:0;
  border-radius:inherit;
  background:linear-gradient(135deg, rgba(14,165,164,.12), rgba(245,158,11,.08));
  opacity:0;
  transition:opacity .18s ease;
}

.choice span:hover,
.rating span:hover{
  transform:translateY(-1px);
  border-color:rgba(14,165,164,.28);
  box-shadow:0 14px 26px rgba(20,20,18,.08);
}

.choice span:hover::before,
.rating span:hover::before{
  opacity:1;
}

.choice input:checked + span,
.rating input:checked + span{
  border-color:rgba(14,165,164,.7);
  background:rgba(14,165,164,.12);
  color:var(--accent-strong);
  box-shadow:0 14px 28px rgba(14,165,164,.14);
  transform:translateY(-1px);
}

.choice input:checked + span::before,
.rating input:checked + span::before{
  opacity:1;
}

.rating-grid{
  margin-top:16px;
  display:grid;
  gap:12px;
  grid-template-columns:repeat(5,minmax(0,1fr));
}

.submit-card{
  position:relative;
  overflow:hidden;
  padding:24px;
  display:grid;
  gap:18px;
}

.submit-card::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at right top, rgba(14,165,164,.14), transparent 28%),
    radial-gradient(circle at left bottom, rgba(245,158,11,.12), transparent 26%);
  pointer-events:none;
}

.submit-card > *{
  position:relative;
  z-index:1;
}

.submit-card__actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}

.btn{
  position:relative;
  overflow:hidden;
  isolation:isolate;
  min-height:54px;
  padding:0 24px;
  border:0;
  border-radius:18px;
  background:linear-gradient(135deg, var(--accent), var(--accent-strong));
  color:#fff;
  font:700 15px/1 "Manrope","Segoe UI",sans-serif;
  cursor:pointer;
  box-shadow:0 18px 28px rgba(14,165,164,.2);
  transition:transform .18s ease, box-shadow .18s ease, opacity .18s ease, background .18s ease;
}

.btn::before{
  content:"";
  position:absolute;
  top:0;
  bottom:0;
  left:-45%;
  width:34%;
  background:linear-gradient(90deg, transparent, rgba(255,255,255,.42), transparent);
  transform:skewX(-22deg);
  transition:transform .55s ease;
  z-index:-1;
}

.btn:hover{
  transform:translateY(-1px);
  box-shadow:0 22px 32px rgba(14,165,164,.24);
}

.btn:hover::before{
  transform:translateX(360%) skewX(-22deg);
}

.btn:active{
  transform:translateY(0);
}

.btn:disabled{
  cursor:wait;
  opacity:.72;
}

.btn--ghost{
  background:#fff;
  color:var(--text);
  border:1px solid rgba(28,27,24,.12);
  box-shadow:0 12px 22px rgba(20,20,18,.06);
}

.btn--ghost::before{
  background:linear-gradient(90deg, transparent, rgba(14,165,164,.12), transparent);
}

.btn--small{
  min-height:42px;
  padding:0 16px;
  border-radius:14px;
  font-size:13px;
}

.status{
  min-height:22px;
  font-size:14px;
  line-height:1.5;
  color:var(--muted);
}

.status--success{
  color:var(--success);
}

.status--error{
  color:var(--danger);
}

@keyframes success-backdrop-in{
  from{opacity:0}
  to{opacity:1}
}

@keyframes success-card-in{
  from{opacity:0;transform:translateY(18px) scale(.97)}
  to{opacity:1;transform:translateY(0) scale(1)}
}

@keyframes success-icon-pop{
  0%{transform:scale(.4);opacity:0}
  65%{transform:scale(1.12);opacity:1}
  85%{transform:scale(.94)}
  100%{transform:scale(1)}
}

@keyframes success-ring-pulse{
  0%{transform:scale(1);opacity:.6}
  70%{transform:scale(1.5);opacity:0}
  100%{transform:scale(1.5);opacity:0}
}

.success-screen{
  position:fixed;
  inset:0;
  display:grid;
  place-items:center;
  padding:20px;
  background:rgba(14,12,10,.52);
  backdrop-filter:blur(16px) saturate(1.4);
  animation:success-backdrop-in .25s ease both;
}

.success-screen[hidden]{
  display:none;
}

.success-screen__card{
  position:relative;
  overflow:hidden;
  width:min(440px,92vw);
  padding:44px 36px 40px;
  border-radius:28px;
  border:1px solid rgba(255,255,255,.32);
  display:grid;
  place-items:center;
  background:linear-gradient(160deg, #ffffff 0%, #f9f8f5 100%);
  box-shadow:
    0 2px 0 rgba(255,255,255,.9) inset,
    0 40px 80px rgba(10,10,10,.22),
    0 8px 24px rgba(10,10,10,.1);
  text-align:center;
  animation:success-card-in .4s cubic-bezier(.22,.9,.35,1) .1s both;
}

.success-screen__accent-top{
  position:absolute;
  top:0;left:50%;
  transform:translateX(-50%);
  width:200px;height:3px;
  border-radius:0 0 4px 4px;
  background:linear-gradient(90deg, var(--accent), var(--accent-strong));
  opacity:.7;
}

.success-screen__stack{
  width:min(320px,100%);
  display:grid;
  justify-items:center;
  align-content:center;
  gap:16px;
  margin:0 auto;
}

.success-screen__icon-wrap{
  position:relative;
  display:grid;
  place-items:center;
  width:72px;
  height:72px;
  margin-bottom:4px;
  animation:success-icon-pop .55s cubic-bezier(.22,.9,.35,1) .28s both;
}

.success-screen__icon-ring{
  position:absolute;
  inset:0;
  border-radius:50%;
  border:2px solid var(--success);
  opacity:0;
  animation:success-ring-pulse .9s ease-out .5s both;
}

.success-screen__icon{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:64px;
  height:64px;
  border-radius:50%;
  background:linear-gradient(145deg, rgba(21,128,61,.13) 0%, rgba(21,128,61,.24) 100%);
  color:var(--success);
  box-shadow:
    0 0 0 1px rgba(21,128,61,.18),
    inset 0 1px 0 rgba(255,255,255,.7),
    0 4px 12px rgba(21,128,61,.18);
}

.success-screen__card h2{
  margin:0;
  width:100%;
  font-size:28px;
  font-weight:800;
  line-height:1.1;
  letter-spacing:-0.03em;
  text-align:center;
  text-wrap:balance;
  color:var(--text);
}

.success-screen__card p{
  width:100%;
  max-width:280px;
  margin:0;
  color:var(--muted);
  font-size:14.5px;
  line-height:1.55;
  text-align:center;
  text-wrap:balance;
}

@media (max-width: 960px){
  .progress-card__head{
    align-items:flex-start;
  }
}

@media (max-width: 860px){
  .question-card{
    grid-template-columns:1fr;
  }

  .question-card__number{
    width:56px;
    height:56px;
  }

  .option-grid,
  .option-grid--compact{
    grid-template-columns:1fr;
  }

  .question-card__body h2{
    padding-right:86px;
  }

  .question-card::after{
    top:14px;
    right:14px;
    min-height:28px;
    padding:0 10px;
    font-size:11px;
  }
}

@media (max-width: 640px){
  .survey-app{
    padding:14px 10px 24px;
  }

  .hero,
  .progress-card,
  .question-card,
  .submit-card,
  .success-screen__card{
    padding:18px 16px;
    border-radius:22px;
  }

  .hero h1{
    font-size:28px;
    line-height:1.02;
  }

  .hero__text{
    font-size:14px;
    line-height:1.65;
  }

  .hero__meta{
    display:grid;
    grid-template-columns:repeat(2, minmax(0, 1fr));
    gap:10px;
  }

  .hero-chip{
    min-width:0;
    padding:12px 10px;
    border-radius:16px;
    gap:4px;
  }

  .hero-chip:last-child{
    grid-column:1 / -1;
  }

  .hero-chip__label{
    font-size:11px;
    line-height:1.25;
  }

  .hero-chip strong{
    font-size:15px;
    line-height:1.25;
  }

  .question-card__body h2,
  .submit-card h2,
  .success-screen__card h2{
    font-size:20px;
  }

  .success-screen__card h2{
    white-space:normal;
  }

  .progress-shell{
    top:8px;
    margin-bottom:14px;
  }

  .progress-card{
    padding:16px 14px;
    border-radius:20px;
  }

  .progress-card__eyebrow{
    margin-bottom:8px;
    font-size:10px;
    letter-spacing:.34em;
  }

  .progress-card__value{
    font-size:28px;
  }

  .btn--small{
    min-height:38px;
    padding:0 14px;
    border-radius:12px;
    font-size:12px;
  }

  .progress-card__head,
  .progress-card__meta{
    align-items:flex-start;
  }

  .progress-card__head{
    flex-direction:row;
    justify-content:space-between;
    align-items:flex-end;
  }

  .progress-card__meta{
    gap:6px;
    font-size:12px;
  }

  .question-card{
    gap:14px;
    padding:18px 16px 16px;
  }

  .question-card__number{
    width:52px;
    height:52px;
    border-radius:18px;
    font-size:26px;
  }

  .question-card__body h2{
    padding-right:84px;
  }

  .option-grid{
    gap:10px;
    margin-top:14px;
  }

  .choice span,
  .rating span{
    min-height:52px;
    padding:12px 12px;
    border-radius:16px;
    font-size:14px;
  }

  .field{
    margin-top:14px;
  }

  .field__input{
    min-height:50px;
    padding:13px 14px;
    border-radius:16px;
    font-size:14px;
  }

  .rating-grid{
    gap:8px;
  }

  .rating span{
    min-height:48px;
    padding:10px 8px;
  }

  .submit-card__actions .btn{
    width:100%;
    justify-content:center;
  }
}

@media (max-width: 420px){
  .question-card__body h2{
    padding-right:76px;
  }

  .btn--small{
    padding:0 12px;
    font-size:11px;
  }
}