* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Segoe UI', Arial, sans-serif;
  background-color: #faf7f5;
  color: #3a2e2a;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 40px 20px;
}
.logo {
  max-width: 180px;
  margin-bottom: 24px;
}
h1 {
  font-size: 1.8rem;
  text-align: center;
  margin-bottom: 8px;
}
p.intro {
  max-width: 480px;
  text-align: center;
  line-height: 1.5;
  margin-bottom: 32px;
  color: #6b5d57;
}
.form-wrapper {
  background: #ffffff;
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
  max-width: 100%;
}
iframe {
  border: none;
  display: block;
  margin: 0 auto;
  max-width: 100%;
}
footer {
  margin-top: 40px;
  font-size: 0.85rem;
  color: #9a8d86;
  text-align: center;
}
footer a {
  color: #9a8d86;
  text-decoration: underline;
}
.accordion {
  width: 100%;
}
.accordion-btn {
  background: none;
  border: none;
  color: #9a8d86;
  cursor: pointer;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0;
  transition: color 0.2s ease;
}
.accordion-btn:hover {
  color: #6b5d57;
}
.accordion-icon {
  display: inline-block;
  transition: transform 0.3s ease;
  font-size: 0.7rem;
}
.accordion-btn.active .accordion-icon {
  transform: rotate(180deg);
}
.accordion-content {
  display: none;
  margin-top: 12px;
  padding: 8px 0;
  border-top: 1px solid #e8ddd8;
  flex-direction: column;
  gap: 0;
}
.accordion-content.active {
  display: flex;
}
.accordion-content a {
  color: #9a8d86;
  text-decoration: underline;
  font-size: 0.85rem;
}
.accordion-content a:hover {
  color: #6b5d57;
}
.sub-accordion-btn {
  background: none;
  border: none;
  color: #9a8d86;
  cursor: pointer;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  padding: 8px 0;
  width: 100%;
  transition: color 0.2s ease;
  margin-top: 0;
}
.sub-accordion-btn:hover {
  color: #6b5d57;
}
.sub-accordion-btn .accordion-icon {
  display: inline-block;
  transition: transform 0.3s ease;
  font-size: 0.6rem;
}
.sub-accordion-btn.active .accordion-icon {
  transform: rotate(180deg);
}
.sub-accordion-content {
  display: none;
  margin-top: 8px;
  padding: 12px 12px;
  background: #f5f0eb;
  border-radius: 6px;
  font-size: 0.8rem;
  line-height: 1.5;
  color: #6b5d57;
}
.sub-accordion-content.active {
  display: block;
}
.sub-accordion-content h3 {
  margin: 0 0 8px 0;
  font-size: 0.9rem;
  color: #3a2e2a;
}
.sub-accordion-content p {
  margin: 0;
}