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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: linear-gradient(135deg, #f5f7fa 0%, #e4e8ec 100%);
  color: #1f2937;
  min-height: 100vh;
  line-height: 1.6;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px 20px;
}

header {
  text-align: center;
  margin-bottom: 60px;
}

.logo {
  font-size: 1.8rem;
  font-weight: 800;
  color: #0f4c81;
  letter-spacing: -0.5px;
}

.tagline {
  color: #6b7280;
  margin-top: 8px;
  font-size: 1rem;
}

main {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.content h1 {
  font-size: 2.5rem;
  color: #111827;
  margin-bottom: 24px;
  line-height: 1.2;
}

.content > p {
  font-size: 1.1rem;
  color: #4b5563;
  margin-bottom: 32px;
}

.benefits {
  list-style: none;
}

.benefits li {
  padding: 12px 0 12px 36px;
  position: relative;
  color: #374151;
}

.benefits li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #0f4c81;
  font-weight: bold;
}

.form-card {
  background: white;
  border-radius: 16px;
  padding: 40px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

.form-card h2 {
  font-size: 1.5rem;
  margin-bottom: 8px;
  color: #111827;
}

.form-intro {
  color: #6b7280;
  font-size: 0.95rem;
  margin-bottom: 28px;
}

.field {
  margin-bottom: 20px;
}

.field label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  color: #374151;
  margin-bottom: 6px;
}

.field input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  font-size: 1rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.field input:focus {
  outline: none;
  border-color: #0f4c81;
  box-shadow: 0 0 0 3px rgba(15, 76, 129, 0.1);
}

.submit-btn {
  width: 100%;
  padding: 14px;
  background: #0f4c81;
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

.submit-btn:hover {
  background: #0d3f6b;
}

.submit-btn:disabled {
  background: #9ca3af;
  cursor: not-allowed;
}

.message {
  margin-top: 20px;
  padding: 14px;
  border-radius: 8px;
  font-size: 0.95rem;
}

.message.success {
  background: #d1fae5;
  color: #065f46;
}

.message.error {
  background: #fee2e2;
  color: #991b1b;
}

.hidden {
  display: none;
}

footer {
  text-align: center;
  margin-top: 80px;
  color: #9ca3af;
  font-size: 0.9rem;
}

@media (max-width: 768px) {
  main {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .content h1 {
    font-size: 2rem;
  }
}
