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

.btn-group {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 16px;
}

.btn-faq {
  display: inline-block;
  margin-top: 0;
  padding: 12px 24px;
  background-color: #003b71;
  color: #ffffff;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 6px;
  transition: background-color 0.2s ease;
}

.btn-faq:hover,
.btn-faq:focus {
  background-color: #00528f;
  outline: 2px solid #00528f;
  outline-offset: 2px;
}

html,
body {
  height: 100%;
}

body {
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: #f0f4f8;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

header {
  background-color: transparent;
  color: #000000;
  padding: 16px 20px;
  text-align: center;
}

header img.logo {
  display: block;
  margin: 0 auto 12px;
  max-height: 70px;
  max-width: 240px;
  width: auto;
  height: auto;
}

header h1 {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.intro {
  max-width: 1024px;
  width: 100%;
  margin: 0 auto;
  padding: 20px 16px 4px;
  text-align: center;
  color: #3d4a5c;
}

.intro-headline {
  font-weight: 700;
  font-size: 1rem;
  color: #1a1a1a;
  margin-bottom: 12px;
}

.intro p + p {
  margin-top: 8px;
  font-size: 0.95rem;
}

@media (min-width: 600px) {
  .intro {
    padding: 24px 24px 8px;
  }

  .intro-headline {
    font-size: 1.05rem;
  }
}

.form-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 16px;
  max-width: 1024px;
  width: 100%;
  margin: 0 auto;
}

.iframe-wrapper {
  flex: 1;
  background: #ffffff;
  border-radius: 8px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  /* Fallback minimum height for very short viewports */
  min-height: 600px;
}

iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
  /* Ensure iframe fills the wrapper on iOS */
  min-height: 600px;
}

footer {
  text-align: center;
  padding: 12px 16px;
  font-size: 0.75rem;
  color: #6b7280;
}

/* Tablet and up */
@media (min-width: 600px) {
  header h1 {
    font-size: 1.5rem;
  }

  .form-container {
    padding: 24px;
  }
}

/* Full viewport height on larger screens */
@media (min-width: 600px) {
  .iframe-wrapper,
  iframe {
    min-height: 800px;
  }
}