:root{
  --blue-950:#083a62;
  --blue-900:#0b4a7a;
  --blue-800:#0e5a92;
  --blue-200:#d7e9f7;
  --text:#0f172a;
  --muted:#334155;
  --bg:#ffffff;
  --radius:18px;
  --shadow:0 10px 30px rgba(0,0,0,.18);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  color:var(--text);
  background:var(--bg);
}

.container{
  width:min(420px, 100%);
  margin:0 auto;
  padding:0 16px;
}

.hero{
  position:relative;
  min-height:100vh;
  background:
    linear-gradient(rgba(9,80,135,.78), rgba(9,80,135,.78)),
    url("../fon.jpg") center/cover no-repeat;
  color:#fff;
  padding:24px 0 28px;
}
.hero__overlay{display:none}
.hero__content{position:relative; z-index:1}

.brand{
  text-align:center;
  padding-top:8px;
}
.brand__emblem{
  width:90px;
  height:auto;
  display:block;
  margin:0 auto 8px;
  opacity:.95;
}
.brand__title{
  font-size:42px;
  letter-spacing:.08em;
  font-weight:300;
  margin-top:2px;
}
.brand__subtitle{
  font-size:14px;
  letter-spacing:.16em;
  opacity:.9;
  margin-top:2px;
}

.hero__headline{
  margin:20px auto 18px;
  text-align:center;
  font-size:26px;
  line-height:1.25;
  font-weight:700;
}

.city{margin:10px 0 18px}
.city__frame{
  position:relative;
  border-radius:8px;
  overflow:hidden;
  box-shadow:0 6px 18px rgba(0,0,0,.25);
}
.city__frame::after{
  content:"";
  position:absolute;
  inset:0;
  background:rgba(11, 74, 122, .28);
  pointer-events:none;
}
.city__img{display:block; width:100%; height:auto; filter:saturate(.9) contrast(1.05)}
.city__logo{
  position:absolute;
  left:10px;
  bottom:10px;
  display:flex;
  align-items:center;
  gap:8px;
  color:#fff;
  font-weight:700;
  letter-spacing:.04em;
  font-size:12px;
  text-shadow:0 1px 2px rgba(0,0,0,.4);
}
.city__logo-img{width:20px; height:20px; display:block; filter:drop-shadow(0 1px 2px rgba(0,0,0,.3))}

.btn{
  display:block;
  width:100%;
  text-align:center;
  text-decoration:none;
  border:2px solid rgba(255,255,255,.9);
  background:#fff;
  color:var(--blue-900);
  padding:14px 18px;
  border-radius:999px;
  font-weight:800;
  letter-spacing:.04em;
}
.btn--secondary{
  width:72%;
  margin:14px auto 0;
  border-color:#fff;
}
.btn--primary{margin-top:6px}

.info{
  background:var(--blue-950);
  color:#fff;
  padding:26px 0 30px;
}
.info__title{
  text-align:center;
  margin:0 0 14px;
  font-size:24px;
  font-weight:800;
}
.info__text{
  text-align:center;
  margin:0 0 16px;
  font-size:18px;
  line-height:1.5;
  opacity:.96;
}
.emph{font-weight:900}

.info__banner{
  margin:18px 0 10px;
  background:#fff;
  color:var(--blue-950);
  padding:14px 14px;
  border-radius:0;
  font-size:16px;
  line-height:1.45;
  font-weight:600;
}

.warning{
  background:#fff;
  padding:18px 0 0;
}
.warning__title{
  text-align:center;
  margin:0 0 14px;
  color:var(--blue-950);
  font-weight:900;
  font-size:28px;
  line-height:1.12;
}
.warning__title span{display:block}
.warning__text{
  margin:0 0 14px;
  color:#111827;
  font-size:17px;
  line-height:1.55;
}
.warning__text--center{
  text-align:center;
  margin-top:14px;
  color:#111827;
}
.warning__image{
  width:100%;
  height:auto;
  display:block;
  margin:10px 0 10px;
}

.important{
  margin:18px 0 18px;
  background:var(--blue-950);
  color:#fff;
  padding:16px 14px;
}
.important__title{font-weight:900; font-size:18px; margin-bottom:10px}
.important__list{margin:0; padding-left:18px; line-height:1.65; font-size:16px}

.form{padding-bottom:18px}
.form__card{
  background:#fff;
  border-radius:22px;
  box-shadow:var(--shadow);
  padding:18px 14px 16px;
  border:1px solid #e5e7eb;
}
.form__intro{
  font-weight:900;
  font-size:18px;
  line-height:1.35;
  margin-bottom:10px;
}
.dots{display:flex; gap:7px; margin:10px 0 14px}
.dot{width:9px; height:9px; border-radius:50%; background:#cbd5e1}
.dot--active{background:#1d9bf0}

.q__title{font-size:16px; font-weight:800; margin:6px 0 10px; color:#111827}

.option{
  display:flex;
  align-items:center;
  gap:10px;
  padding:14px 12px;
  border:1px solid #e5e7eb;
  border-radius:12px;
  margin-bottom:12px;
  background:#fff;
}
.option input{accent-color:#1d9bf0; width:18px; height:18px}
.option span{font-size:18px; color:#111827}

.btn--next{
  width:160px;
  margin-left:auto;
  margin-top:6px;
  padding:12px 14px;
  border:none;
  background:#1d9bf0;
  color:#fff;
  font-weight:900;
  letter-spacing:0;
}

.step{display:none}
.step--active{display:block}

.footer{
  background:var(--blue-950);
  color:#fff;
  padding:26px 0 26px;
}
.footer__text{
  text-align:center;
  font-size:16px;
  line-height:1.55;
  opacity:.95;
}
.footer__copy{
  text-align:center;
  margin-top:10px;
  opacity:.9;
}

.modal{
  position:fixed;
  inset:0;
  display:none;
  align-items:center;
  justify-content:center;
  padding:16px;
  z-index:50;
}
.modal--open{display:flex}
.modal__overlay{
  position:absolute;
  inset:0;
  background:rgba(0,0,0,.55);
}
.modal__dialog{
  position:relative;
  width:min(520px, 100%);
  background:#fff;
  border-radius:18px;
  padding:18px 14px 16px;
  box-shadow:0 20px 60px rgba(0,0,0,.35);
}
.modal__close{
  position:absolute;
  top:8px;
  right:10px;
  border:none;
  background:transparent;
  font-size:28px;
  line-height:1;
  color:#0f172a;
  cursor:pointer;
}
.modal__title{margin:2px 0 6px; font-size:20px; font-weight:900; color:#0f172a}
.modal__subtitle{margin:0 0 14px; color:#475569; line-height:1.35}

.modal__status{
  display:none;
  margin:0 0 12px;
  padding:10px 12px;
  border-radius:12px;
  font-size:14px;
  line-height:1.35;
}
.modal__status--show{display:block}
.modal__status--loading{background:#eff6ff; color:#1e3a8a; border:1px solid #bfdbfe}
.modal__status--error{background:#fef2f2; color:#991b1b; border:1px solid #fecaca}
.modal__status--success{background:#ecfdf5; color:#065f46; border:1px solid #a7f3d0}

.field{display:block; margin-bottom:12px}
.field__label{display:block; font-size:13px; color:#334155; font-weight:800; margin-bottom:6px}
.field__input{
  width:100%;
  padding:12px 12px;
  border-radius:12px;
  border:1px solid #e5e7eb;
  outline:none;
  font-size:16px;
}
.field__input:focus{border-color:#1d9bf0; box-shadow:0 0 0 3px rgba(29,155,240,.18)}
.field__input--error{border-color:#e53935; box-shadow:0 0 0 3px rgba(229,57,53,.16)}
.field__error{
  margin-top:6px;
  font-size:12px;
  color:#e53935;
  display:none;
}
.field__error--show{display:block}
.field-grid{display:grid; grid-template-columns:1fr; gap:10px}

.btn--modal{
  margin-top:6px;
  border:none;
  background:#1d9bf0;
  color:#fff;
}

@media (min-width: 421px){
  .container{width:min(520px, 100%)}
}

@media (min-width: 768px){
  .container{width:min(980px, 100%); padding:0 24px}
  .hero{padding:34px 0 40px}
  .brand__emblem{width:110px}
  .hero__headline{font-size:34px; max-width:920px}

  .city{margin:18px 0 22px}
  .city__frame{max-width:920px; margin:0 auto}
  .btn--primary{max-width:560px; margin:12px auto 0}

  .info{padding:34px 0 40px}
  .info__text{font-size:19px; max-width:900px; margin-left:auto; margin-right:auto}
  .info__banner{max-width:900px; margin-left:auto; margin-right:auto}
  .btn--secondary{max-width:360px}

  .warning{padding-top:28px}
  .warning__text{max-width:900px; margin-left:auto; margin-right:auto}
  .warning__image{max-width:1100px; margin-left:auto; margin-right:auto; border-radius:10px}

  .important{max-width:900px; margin-left:auto; margin-right:auto; border-radius:10px}
  .form__card{max-width:900px; margin-left:auto; margin-right:auto; padding:22px 18px 18px}
  .field-grid{grid-template-columns:1fr 1fr}
}