* {
  box-sizing: border-box;
}

body {
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: #f6f8fb;
  color: #111827;
  margin: 0;
}

.topbar {
  background: #fff;
  border-bottom: 1px solid #e5e7eb;
  padding: 12px 16px;
  position: sticky;
  top: 0;
  z-index: 10;
}

.home-link {
  color: #374151;
  display: inline-flex;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.home-link:hover {
  color: #2563eb;
}

.container {
  max-width: 760px;
  margin: 0 auto;
  padding: 24px 16px 40px;
}

.page-head {
  margin-bottom: 16px;
}

.page-head h1 {
  font-size: 28px;
  line-height: 1.2;
  margin: 0 0 6px;
}

.page-head p,
.section-note {
  color: #6b7280;
  font-size: 14px;
  margin: 0;
}

.form-card {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(15, 23, 42, .06);
  padding: 20px;
}

.form-section {
  border-bottom: 1px solid #eef2f7;
  margin-bottom: 20px;
  padding-bottom: 18px;
}

.form-section h2 {
  font-size: 16px;
  margin: 0 0 12px;
}

.form-group {
  margin-bottom: 14px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  color: #111827;
  font: inherit;
  min-height: 44px;
  outline: none;
  padding: 11px 12px;
}

.form-group textarea {
  min-height: 110px;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: #2563eb;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, .12);
}

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

.form-check {
  align-items: center;
  display: flex;
  gap: 8px;
  margin: -4px 0 14px;
}

.form-check input {
  height: 18px;
  width: 18px;
}

.form-check label {
  color: #374151;
  font-size: 14px;
  font-weight: 600;
}

.btn-submit {
  background: linear-gradient(135deg, #6d28d9, #2563eb);
  border: 0;
  border-radius: 8px;
  color: #fff;
  cursor: pointer;
  font-size: 16px;
  font-weight: 800;
  min-height: 48px;
  padding: 13px 16px;
  width: 100%;
}

.btn-submit:hover {
  filter: brightness(1.05);
}

@media (max-width: 640px) {
  .container {
    padding: 18px 12px 32px;
  }

  .page-head h1 {
    font-size: 24px;
  }

  .form-card {
    padding: 16px;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
}