:root {
  --bg: #f4f7fb;
  --card: #ffffff;
  --text: #152033;
  --muted: #65758b;
  --line: #d8e0ea;
  --accent: #368498;
  --accent-dark: #2b6f80;
  --danger: #b42318;
  --success: #067647;
  --shadow: 0 24px 70px rgba(21, 32, 51, 0.12);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: linear-gradient(160deg, #eef5ff 0%, var(--bg) 45%, #ffffff 100%);
  color: var(--text);
}

.page {
  min-height: 100vh;
  padding: 32px 16px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

.card {
  width: 100%;
  max-width: 760px;
  background: var(--card);
  border-radius: 28px;
  padding: 32px;
  box-shadow: var(--shadow);
}

.brand {
  display: flex;
  gap: 16px;
  align-items: center;
  margin-bottom: 20px;
}

.brand-logo {
  width: 122px;
  max-width: 34vw;
  height: auto;
  display: block;
  flex: 0 0 auto;
}

.eyebrow {
  margin: 0 0 4px;
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: 12px;
  font-weight: 800;
  color: var(--accent);
}

h1, h2 { margin: 0; line-height: 1.15; }
h1 { font-size: clamp(28px, 5vw, 42px); }
h2 { font-size: 28px; color: var(--success); }

.intro {
  margin: 0 0 28px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.55;
}

.booking-info {
  margin-bottom: 24px;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 16px;
  background: #f8fbff;
  color: var(--muted);
}

form { display: grid; gap: 20px; }
fieldset { border: 0; padding: 0; margin: 0; }
legend { font-weight: 800; margin-bottom: 10px; }

.radio-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.radio-card {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-weight: 700;
}

.radio-card:has(input:checked) {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(54, 132, 152, .14);
}
.radio-card input[type="radio"] {
  width: 18px;
  height: 18px;
  margin: 0;
  flex: 0 0 18px;
  accent-color: var(--accent);
}

.radio-card span {
  display: block;
  line-height: 1.2;
}


.grid { display: grid; gap: 16px; }
.two { grid-template-columns: 1fr 1fr; }
.street { grid-template-columns: 1fr 140px; }
.zip-city { grid-template-columns: 140px 1fr; }

.field { display: grid; gap: 8px; }
label { font-weight: 750; }

input:not([type="radio"]):not([type="checkbox"]) {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 15px;
  font: inherit;
  background: #fff;
  color: var(--text);
}

input:not([type="radio"]):not([type="checkbox"]):focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(54, 132, 152, .15);
}

.check {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: var(--muted);
  font-weight: 600;
  line-height: 1.45;
}

.check input { width: auto; margin-top: 4px; }

button {
  border: 0;
  border-radius: 16px;
  background: var(--accent);
  color: #fff;
  padding: 16px 20px;
  font: inherit;
  font-weight: 850;
  cursor: pointer;
}

button:hover { background: var(--accent-dark); }

.error {
  color: var(--danger);
  background: #fff1f0;
  border: 1px solid #fecdca;
  border-radius: 14px;
  padding: 12px 14px;
  margin: 0;
  font-weight: 700;
}

.success {
  margin-top: 28px;
  padding: 24px;
  border: 1px solid #abefc6;
  border-radius: 20px;
  background: #ecfdf3;
}

.small { color: var(--muted); font-size: 14px; }
.hint {
  margin: -2px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}

.document-field {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px;
  background: #fbfdff;
}
.hidden { display: none !important; }

@media (max-width: 640px) {
  .card { padding: 22px; border-radius: 22px; }
  .two, .street, .zip-city, .radio-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .brand {
    gap: 14px;
    align-items: flex-start;
  }

  .brand-logo {
    width: 96px;
    max-width: 38vw;
  }
}