/* ============================================================
   Vstupní dotazník — Václav Jakubík
   Brand: tmavé pozadí, tyrkysovo-modro-fialový akcent
   Fonty: Space Grotesk (nadpisy), Hanken Grotesk (text), Space Mono (overline)
   Vše laděno přes proměnné níže → snadný rebrand pro dalšího klienta.
   ============================================================ */
:root{
  --bg:        #0B0A12;
  --bg-soft:   #12101c;
  --surface:   rgba(255,255,255,0.035);
  --surface-2: rgba(255,255,255,0.06);
  --border:    rgba(255,255,255,0.10);
  --border-strong: rgba(255,255,255,0.18);
  --text:      #F4F1FF;
  --muted:     #ABA4C4;
  --faint:     #8C85A6;
  --teal:      #1FD9C2;
  --blue:      #5B9BFF;
  --purple:    #9B7BFF;
  --grad:      linear-gradient(120deg,#2EE6CF,#5B9BFF 55%,#9B7BFF);
  --grad-btn:  linear-gradient(135deg,#1FD9C2,#5B9BFF);
  --radius:    18px;
  --maxw:      720px;
}

*{ box-sizing:border-box; }
/* atribut hidden musí vždy přebít display:flex/grid na .done, .nav apod. */
[hidden]{ display:none !important; }
html{ -webkit-text-size-adjust:100%; }
body{
  margin:0;
  font-family:'Hanken Grotesk',system-ui,sans-serif;
  color:var(--text);
  background:
    radial-gradient(60% 40% at 12% 0%, rgba(31,217,194,0.10), transparent 60%),
    radial-gradient(55% 40% at 92% 8%, rgba(91,155,255,0.10), transparent 62%),
    radial-gradient(50% 45% at 50% 100%, rgba(124,92,255,0.08), transparent 70%),
    var(--bg);
  min-height:100vh;
  line-height:1.5;
}

.shell{ max-width:var(--maxw); margin:0 auto; padding:28px 20px 64px; }

/* ---------- overline / labels ---------- */
.overline{
  font-family:'Space Mono',monospace;
  font-size:12px; letter-spacing:0.18em; text-transform:uppercase;
  color:var(--faint);
}
.overline--accent{ color:var(--teal); }
.grad{
  background:var(--grad); -webkit-background-clip:text; background-clip:text;
  -webkit-text-fill-color:transparent; color:transparent;
  filter:drop-shadow(0 0 18px rgba(31,217,194,0.35));
}

/* ---------- HERO ---------- */
.hero{
  position:relative; overflow:hidden;
  border-radius:24px;
  background:
    radial-gradient(60% 90% at 18% 8%, rgba(31,217,194,0.20), transparent 60%),
    radial-gradient(60% 90% at 82% 96%, rgba(91,155,255,0.18), transparent 62%),
    #0B0A12;
  border:1px solid var(--border);
  padding:54px 32px;
  text-align:center;
}
.hero__glow{
  position:absolute; top:-160px; left:50%; width:560px; height:560px;
  margin-left:-280px; border-radius:50%;
  background:radial-gradient(circle,rgba(31,217,194,0.16),transparent 68%);
  filter:blur(26px); pointer-events:none;
}
.hero__inner{ position:relative; z-index:2; display:flex; flex-direction:column; align-items:center; gap:18px; }
.hero__brandrow{ display:flex; align-items:center; gap:14px; }
.hero__logo{
  width:52px; height:52px; border-radius:15px;
  background:var(--grad-btn);
  display:flex; align-items:center; justify-content:center;
  font-family:'Space Grotesk',sans-serif; font-weight:700; font-size:23px; color:#fff;
  letter-spacing:-0.02em; box-shadow:0 10px 30px rgba(31,217,194,0.4);
}
.hero__title{
  font-family:'Space Grotesk',sans-serif; font-weight:700;
  font-size:clamp(32px,7vw,56px); line-height:1.0; letter-spacing:-0.035em;
  margin:0; color:var(--text);
}
.hero__sub{
  font-size:clamp(15px,2.6vw,18px); color:var(--muted);
  max-width:46ch; margin:0;
}

/* ---------- PROGRESS ---------- */
.progress{ margin:30px 2px 22px; }
.progress__meta{ display:flex; justify-content:space-between; margin-bottom:10px; }
.progress__track{ height:6px; border-radius:999px; background:var(--surface-2); overflow:hidden; }
.progress__bar{
  height:100%; width:0%; border-radius:999px; background:var(--grad);
  transition:width .45s cubic-bezier(.22,1,.36,1);
  box-shadow:0 0 16px rgba(31,217,194,0.4);
}

/* ---------- STEP / CARD ---------- */
.step{ display:none; animation:rise .45s cubic-bezier(.22,1,.36,1); }
.step.is-active{ display:block; }
@keyframes rise{ from{ opacity:0; transform:translateY(14px); } to{ opacity:1; transform:none; } }

.step__head{ margin-bottom:8px; }
.step__title{
  font-family:'Space Grotesk',sans-serif; font-weight:700;
  font-size:26px; letter-spacing:-0.02em; margin:6px 0 0; color:var(--text);
}
.step__intro{ color:var(--muted); font-size:15px; margin:8px 0 0; }

.field{
  background:var(--surface); border:1px solid var(--border);
  border-radius:var(--radius); padding:20px 20px 22px; margin-top:16px;
  transition:border-color .2s, background .2s;
}
.field:focus-within{ border-color:var(--border-strong); background:var(--surface-2); }
.field__label{
  display:block; font-family:'Space Grotesk',sans-serif; font-weight:600;
  font-size:16px; color:var(--text); margin-bottom:4px;
}
.field__req{ color:var(--teal); margin-left:4px; }
.field__hint{ font-size:13px; color:var(--faint); margin:0 0 12px; }

/* inputs */
.input, .textarea{
  width:100%; font-family:inherit; font-size:15px; color:var(--text);
  background:rgba(0,0,0,0.25); border:1px solid var(--border);
  border-radius:12px; padding:13px 15px; outline:none;
  transition:border-color .18s, box-shadow .18s;
}
.textarea{ min-height:96px; resize:vertical; line-height:1.55; }
.input::placeholder, .textarea::placeholder{ color:var(--faint); }
.input:focus, .textarea:focus{
  border-color:var(--teal);
  box-shadow:0 0 0 3px rgba(31,217,194,0.16);
}

/* choices (radio / checkbox jako pill chipy) */
.choices{ display:flex; flex-wrap:wrap; gap:10px; margin-top:4px; }
.choice{
  position:relative; cursor:pointer; user-select:none;
  font-size:14.5px; color:var(--muted);
  padding:11px 18px; border-radius:999px;
  border:1px solid var(--border); background:rgba(255,255,255,0.02);
  transition:all .16s;
}
.choice:hover{ border-color:var(--border-strong); color:var(--text); }
.choice input{ position:absolute; opacity:0; pointer-events:none; }
.choice.is-checked{
  color:#06121a; font-weight:600; border-color:transparent;
  background:var(--grad-btn);
  box-shadow:0 8px 24px rgba(31,217,194,0.30);
}

/* ---------- NAV / BUTTONS ---------- */
.nav{ display:flex; align-items:center; gap:12px; margin-top:28px; }
.btn{
  font-family:'Space Grotesk',sans-serif; font-weight:700; font-size:15.5px;
  border:0; border-radius:999px; padding:14px 26px; cursor:pointer;
  transition:transform .12s, box-shadow .2s, opacity .2s;
}
.btn:active{ transform:translateY(1px); }
.btn--primary{
  color:#06121a; background:var(--grad-btn); margin-left:auto;
  box-shadow:0 14px 34px rgba(31,217,194,0.32);
}
.btn--primary:hover{ box-shadow:0 18px 44px rgba(31,217,194,0.42); }
.btn--primary[disabled]{ opacity:.55; cursor:not-allowed; box-shadow:none; }
.btn--ghost{
  color:var(--muted); background:transparent; border:1px solid var(--border);
}
.btn--ghost:hover{ color:var(--text); border-color:var(--border-strong); }

.field--error .input, .field--error .textarea{ border-color:#FF6B8A; }
.field--error{ border-color:rgba(255,107,138,0.4); }
.err{ color:#FF8FA6; font-size:13px; margin:10px 0 0; }

/* ---------- DONE ---------- */
.done{
  text-align:center; padding:40px 20px; min-height:62vh;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
}
.done .hero__title{ margin:0; }
.done .hero__sub{ margin:10px auto 0; }
.done__check{
  width:74px; height:74px; border-radius:50%; margin:0 auto 22px;
  display:flex; align-items:center; justify-content:center;
  font-size:34px; color:#06121a; background:var(--grad-btn);
  box-shadow:0 16px 40px rgba(31,217,194,0.4);
}

/* ---------- FOOT ---------- */
.foot{ text-align:center; margin-top:40px; opacity:.7; }

@media (max-width:560px){
  .hero{ padding:40px 22px; border-radius:20px; }
  .field{ padding:18px 16px; }
  .nav{ flex-wrap:wrap; }
  .btn{ flex:1; text-align:center; }
  .btn--primary{ margin-left:0; }
}