/* book.css — Lead capture form styles */
.book-section {
  padding: 100px 48px;
  background: var(--bg-2);
  border-top: 1px solid #1e1e1e;
}
.book-inner {
  max-width: 720px;
  margin: 0 auto;
}
.book-header { text-align: center; margin-bottom: 48px; }
.book-header h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  color: var(--fg);
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 16px;
}
.book-header p {
  font-size: 17px;
  color: #888;
  line-height: 1.7;
}
.lead-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.field label {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #555;
}
.field label .req { color: var(--lime); margin-left: 2px; }
.field input,
.field textarea {
  background: var(--bg);
  border: 1px solid #2a2a2a;
  border-radius: 10px;
  padding: 14px 18px;
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 15px;
  outline: none;
  transition: border-color 0.15s;
  width: 100%;
}
.field input:focus,
.field textarea:focus { border-color: var(--lime-border); }
.field textarea {
  resize: vertical;
  min-height: 100px;
  line-height: 1.6;
}
.field .hint { font-size: 12px; color: #444; }
.field .err-msg { font-size: 12px; color: #ff6666; margin-top: -4px; }
.field-error {
  font-size: 12px;
  color: #ff6666;
  display: none;
}
.field.has-error .field-error { display: block; }
.field.has-error input,
.field.has-error textarea { border-color: #ff4444; }
.submit-btn {
  background: var(--lime);
  color: var(--bg);
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 800;
  padding: 16px 40px;
  border: none;
  border-radius: 100px;
  cursor: pointer;
  letter-spacing: -0.01em;
  transition: opacity 0.15s, transform 0.15s;
  width: 100%;
}
.submit-btn:hover { opacity: 0.88; transform: translateY(-1px); }
.submit-btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
.success-state { display: none; text-align: center; padding: 40px 20px; }
.success-icon { font-size: 48px; margin-bottom: 24px; display: block; }
.success-state h3 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 800;
  color: var(--fg);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.success-state p { font-size: 15px; color: #888; line-height: 1.65; }
@media (max-width: 700px) {
  .book-section { padding: 80px 24px; }
  .form-row { grid-template-columns: 1fr; }
}