:root{
  --lime:#C9F24C;
  --pink:#FF1B8D;
  --black:#000000;
  --card:#0d0d0d;
  --line:#262626;
  --white:#FFFFFF;
  --grey:#9B9B9B;
  --display:'Anton',Impact,sans-serif;
  --body:'Space Grotesk',system-ui,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html,body{min-height:100%}
body{background:var(--black);color:var(--white);font-family:var(--body);-webkit-font-smoothing:antialiased;
  background-image:radial-gradient(ellipse 80% 50% at 50% -10%,rgba(255,27,141,.18),transparent 60%),radial-gradient(ellipse 60% 40% at 50% 110%,rgba(201,242,76,.10),transparent 60%);
  background-attachment:fixed}
.wrap{max-width:620px;margin:0 auto;padding:28px 20px 60px;min-height:100vh;display:flex;flex-direction:column}
.top{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.logo{font-family:var(--display);font-size:26px;letter-spacing:.04em}
.logo em{font-style:normal;color:var(--pink)}
.krok{font-size:13px;color:var(--grey);letter-spacing:.12em;text-transform:uppercase}
.progress{height:4px;background:var(--line);border-radius:4px;overflow:hidden;margin-bottom:34px}
.progress i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--pink),var(--lime));transition:width .4s ease}
.eyebrow{font-weight:700;font-size:12px;letter-spacing:.24em;color:var(--lime);text-transform:uppercase;margin-bottom:14px}
h1,h2{font-family:var(--display);font-weight:400;text-transform:uppercase;letter-spacing:.01em;line-height:1.08}
h1{font-size:clamp(34px,8vw,56px)}
h2{font-size:clamp(26px,6.4vw,40px)}
h1 em,h2 em{font-style:normal;color:var(--pink)}
.lead{color:#d6d6d6;font-size:17px;line-height:1.6;margin-top:16px}
.muted{color:var(--grey);font-size:14px;line-height:1.55;margin-top:10px}
.step{display:none;animation:fade .35s ease}
.step.on{display:block}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.field{margin-top:26px}
.field label{display:block;font-size:14px;color:var(--grey);margin-bottom:8px}
input[type=text],input[type=email],textarea{width:100%;background:var(--card);border:2px solid var(--line);color:var(--white);
  font-family:var(--body);font-size:18px;padding:16px 18px;border-radius:12px;outline:none;transition:border-color .2s}
input:focus,textarea:focus{border-color:var(--lime)}
textarea{min-height:130px;resize:vertical;line-height:1.5}
.choices{display:grid;gap:12px;margin-top:26px}
.choice{display:flex;align-items:center;gap:14px;width:100%;text-align:left;background:var(--card);border:2px solid var(--line);
  color:var(--white);font-family:var(--body);font-size:17px;line-height:1.4;padding:17px 18px;border-radius:12px;cursor:pointer;transition:all .18s}
.choice:hover{border-color:#4a4a4a}
.choice .k{flex:0 0 auto;width:28px;height:28px;border-radius:8px;border:2px solid #444;display:grid;place-items:center;
  font-size:13px;font-weight:700;color:var(--grey)}
.choice.sel{border-color:var(--pink);background:rgba(255,27,141,.10)}
.choice.sel .k{background:var(--pink);border-color:var(--pink);color:#fff}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;margin-top:30px;background:var(--pink);color:#fff;border:none;
  font-family:var(--display);font-size:20px;letter-spacing:.06em;text-transform:uppercase;padding:17px 34px;border-radius:12px;cursor:pointer;
  box-shadow:0 10px 30px rgba(255,27,141,.35);transition:transform .15s,opacity .2s;width:100%}
.btn:active{transform:scale(.98)}
.btn[disabled]{opacity:.35;cursor:not-allowed;box-shadow:none}
.btn.lime{background:var(--lime);color:#000;box-shadow:0 10px 30px rgba(201,242,76,.25)}
.back{background:none;border:none;color:var(--grey);font-family:var(--body);font-size:14px;margin-top:16px;cursor:pointer;text-decoration:underline}
.err{color:var(--pink);font-size:14px;margin-top:10px;min-height:18px}
.hidden{display:none!important}
.foot{margin-top:auto;padding-top:40px;color:#5c5c5c;font-size:12px;text-align:center;letter-spacing:.08em}
/* kalendář */
.cal{margin-top:26px;display:grid;gap:14px}
.day{background:var(--card);border:2px solid var(--line);border-radius:14px;padding:14px 16px}
.day h3{font-family:var(--body);font-weight:700;font-size:15px;letter-spacing:.04em;margin-bottom:10px}
.day h3::first-letter{text-transform:uppercase}
.slots{display:flex;flex-wrap:wrap;gap:10px}
.slot{background:transparent;border:2px solid var(--lime);color:var(--lime);font-family:var(--body);font-weight:700;font-size:16px;
  padding:10px 16px;border-radius:10px;cursor:pointer;transition:all .15s}
.slot:hover,.slot.sel{background:var(--lime);color:#000}
.box{background:var(--card);border:2px solid var(--line);border-radius:16px;padding:22px;margin-top:26px}
.box b{color:var(--lime)}
.spinner{width:28px;height:28px;border:3px solid var(--line);border-top-color:var(--pink);border-radius:50%;animation:spin 1s linear infinite;margin:30px auto}
@keyframes spin{to{transform:rotate(360deg)}}