*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-bg: #ffffff;
  --color-surface: #f9fafb;
  --color-border: #e5e7eb;
  --color-text: #374151;
  --color-text-muted: #6b7280;
  --color-heading: #111827;
  --color-accent: #f97316;
  --color-accent-hover: #ea580c;
  --color-error: #dc2626;
  --color-success: #16a34a;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font);
  background: var(--color-surface);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
}

.page {
  max-width: 560px;
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
}

.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2rem 1.75rem;
}

@media (max-width: 480px) {
  .card {
    padding: 1.5rem 1.25rem;
  }
}

.header {
  margin-bottom: 1.75rem;
}

.header h1 {
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--color-heading);
  margin-bottom: 0.5rem;
}

.header p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-heading);
  margin-bottom: 0.375rem;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="date"],
.form-group textarea {
  width: 100%;
  padding: 0.625rem 0.75rem;
  font-size: 1rem;
  font-family: inherit;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: border-color 0.15s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.15);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-group .hint {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

.checkbox-group {
  display: flex;
  gap: 0.625rem;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}

.checkbox-group input[type="checkbox"] {
  margin-top: 0.25rem;
  width: 1rem;
  height: 1rem;
  accent-color: var(--color-accent);
  flex-shrink: 0;
}

.checkbox-group label {
  font-size: 0.875rem;
  color: var(--color-text);
  cursor: pointer;
}

.honeypot {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  overflow: hidden;
}

.btn {
  display: block;
  width: 100%;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  color: #ffffff;
  background: var(--color-accent);
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.15s;
}

.btn:hover:not(:disabled) {
  background: var(--color-accent-hover);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.legal-note {
  margin-top: 1.25rem;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.error-message {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: var(--color-error);
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  margin-bottom: 1.25rem;
  display: none;
}

.error-message.visible {
  display: block;
}

.confirmation {
  text-align: center;
  padding: 1rem 0;
  display: none;
}

.confirmation.visible {
  display: block;
}

.confirmation-icon {
  width: 56px;
  height: 56px;
  background: #f0fdf4;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
}

.confirmation-icon svg {
  width: 28px;
  height: 28px;
  color: var(--color-success);
}

.confirmation h2 {
  font-size: 1.25rem;
  color: var(--color-heading);
  margin-bottom: 0.75rem;
}

.confirmation p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  max-width: 400px;
  margin: 0 auto;
}

.form-wrapper.hidden {
  display: none;
}

.start-screen.hidden {
  display: none;
}

.start-screen h1 {
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--color-heading);
  margin-bottom: 0.75rem;
}

.start-screen p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.start-screen .note {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.start-screen .btn {
  margin-top: 0.25rem;
}