/* ---------- Responsive ---------- */
@media (max-width: 1200px) {
  .nbp-container { padding: 0 20px; }
  .nbp-hero__title { font-size: 40px; }
}
@media (max-width: 992px) {
  .nbp-hero__inner { grid-template-columns: 1fr; }
  .nbp-hero__form-card { max-width: 520px; }
  .nbp-standards__inner { grid-template-columns: 1fr; }
  .nbp-standards__image { order: -1; }
  .nbp-process__steps { grid-template-columns: 1fr 1fr; gap: 32px; }
  .nbp-books__grid { grid-template-columns: repeat(4,1fr); }
  .nbp-header__nav { display: none; }
  .nbp-header__burger { display: flex; }
}
@media (max-width: 768px) {
  .nbp-hero { padding: 48px 0 64px; }
  .nbp-hero__title { font-size: 32px; }
  .nbp-standards, .nbp-process, .nbp-faq { padding: 64px 0; }
  .nbp-standards__title { font-size: 26px; }
  .nbp-process__steps { grid-template-columns: 1fr; gap: 28px; }
  .nbp-process__stats { grid-template-columns: 1fr; gap: 18px; }
  .nbp-books__grid { grid-template-columns: repeat(3,1fr); gap: 10px; }
  .nbp-cta-banner__body h2 { font-size: 23px; }
  .nbp-cta-banner__icon { display: none; }
  .nbp-footer__inner { grid-template-columns: 1fr 1fr; }
  .nbp-footer__col:first-child { grid-column: 1 / -1; }
  .nbp-bottom-cta__inner { justify-content: center; text-align: center; }
}
@media (max-width: 576px) {
  .nbp-container { padding: 0 16px; }
  .nbp-header__inner { flex-wrap: wrap; gap: 12px; }
  .nbp-header__phone span:not(.nbp-icon-phone) { display: none; }
  .nbp-hero__title { font-size: 27px; }
  .nbp-hero__actions, .nbp-standards__actions { flex-direction: column; align-items: stretch; }
  .nbp-hero__actions .nbp-btn, .nbp-standards__actions .nbp-btn { width: 100%; }
  .nbp-hero__form-card { padding: 22px; }
  .nbp-standards__title { font-size: 23px; }
  .nbp-process__header h2 { font-size: 26px; }
  .nbp-books__grid { grid-template-columns: repeat(2,1fr); }
  .nbp-faq__header h2 { font-size: 24px; }
  .nbp-faq-item__q { font-size: 14px; padding: 16px 18px; }
  .nbp-footer__inner { grid-template-columns: 1fr; }
  .nbp-footer__col:first-child { grid-column: auto; }
}
@media (max-width: 375px) {
  .nbp-hero__title { font-size: 23px; }
  .nbp-btn { padding: 12px 20px; font-size: 12px; }
  .nbp-books__grid { grid-template-columns: repeat(2,1fr); gap: 8px; }
}