:root {
  --bg: #f4f7f6;
  --card: #ffffff;
  --text: #1f2933;
  --muted: #64748b;
  --primary: #0f766e;
  --primary-dark: #115e59;
  --border: #dbe4e2;
  --soft: #ecfdf5;
  --danger: #b91c1c;
  --warning-bg: #fff7ed;
  --warning-border: #fed7aa;
  --shadow: 0 18px 45px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: radial-gradient(circle at top, #e0f2f1 0, var(--bg) 42%);
  color: var(--text);
  font-family: Arial, "Segoe UI", sans-serif;
  min-height: 100vh;
}

button,
input,
textarea {
  font: inherit;
}

.page {
  margin: 0 auto;
  max-width: 980px;
  padding: 32px 18px 80px;
}

.hero,
.notice-card {
  background: linear-gradient(135deg, #0f766e, #134e4a);
  border-radius: 20px;
  box-shadow: var(--shadow);
  color: #fff;
  margin-bottom: 22px;
  padding: 28px;
}

.notice-card {
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
}

.hero h1,
.notice-card h1 {
  font-size: clamp(1.55rem, 4vw, 2rem);
  margin: 0 0 8px;
}

.hero p,
.notice-card p {
  color: rgba(255, 255, 255, 0.84);
  line-height: 1.7;
  margin: 0;
}

.notice-card p {
  color: var(--muted);
}

code {
  direction: ltr;
  display: inline-block;
  margin-top: 16px;
}

.wizard {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow);
  overflow: hidden;
  padding: 28px;
}

.summary-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 22px;
}

.info-box,
.check-card {
  background: #fbfefd;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
}

.info-box span {
  color: var(--muted);
  display: block;
  font-size: 0.82rem;
  margin-bottom: 6px;
}

.info-box strong {
  display: block;
  font-size: 1.05rem;
  min-height: 1.45rem;
}

.info-box.wide {
  grid-column: 1 / -1;
}

.terms-box {
  background: #fbfefd;
  border: 1px solid var(--border);
  border-radius: 16px;
  line-height: 1.85;
  margin: 18px 0;
  max-height: 360px;
  overflow-y: auto;
  padding: 22px;
}

.check-card {
  align-items: flex-start;
  cursor: pointer;
  display: flex;
  gap: 12px;
  line-height: 1.6;
  margin-bottom: 12px;
}

.check-card input {
  accent-color: var(--primary);
  margin-top: 6px;
}

.form-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 20px 0;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.field.wide {
  grid-column: 1 / -1;
}

.field label {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
}

.field input,
.field textarea {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
}

.field textarea {
  min-height: 92px;
  resize: vertical;
}

.signature-box {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px;
}

canvas {
  background: #fff;
  border: 1px dashed #94a3b8;
  border-radius: 12px;
  display: block;
  height: 180px;
  touch-action: none;
  width: 100%;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-start;
  margin-top: 18px;
}

.btn-primary,
.btn-secondary {
  border: 0;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 700;
  padding: 12px 18px;
  text-decoration: none;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-dark);
}

.btn-secondary {
  background: #e2e8f0;
  color: var(--text);
}

.message {
  border-radius: 14px;
  line-height: 1.7;
  margin-bottom: 18px;
  padding: 14px 16px;
}

.message.error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: var(--danger);
}

.message.success {
  background: var(--soft);
  border: 1px solid #bbf7d0;
  color: #166534;
}

.price-link {
  color: var(--primary-dark);
  font-weight: 700;
}

@media (max-width: 720px) {
  .summary-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }
}