/* ==========================================================================
   Responsive overrides — tablet & mobile
   Base styles target the 1440px Figma canvas; these scale down gracefully.
   ========================================================================== */

/* ---------- Large laptops (< 1280px): tighten gutters ------------------- */
@media (max-width: 1279px) {
  :root { --gutter: 56px; }
  .section-title, .cta__title, .predict__title, .hero__title,
  .compare__foot p { font-size: 44px; }
  .predict__inner { gap: 64px; }
  .footer .site-footer__inner, .site-footer__inner { gap: 80px; }
}

/* ---------- Tablets (< 1024px) ------------------------------------------ */
@media (max-width: 1023px) {
  :root { --gutter: 40px; }

  /* Header: collapse menu into a drawer */
  .nav__menu, .nav__right { display: none; }
  .nav__toggle { display: inline-flex; }
  .site-header .nav { padding: 18px 0; }

  .nav.is-mobile-open .nav__menu {
    display: flex;
    position: fixed;
    top: 0; right: 0; bottom: 0;
    width: min(78vw, 340px);
    z-index: 70;
    flex-direction: column; align-items: flex-start; gap: 8px;
    background: var(--ink);
    padding: 96px 32px 32px;
    box-shadow: -20px 0 60px rgba(0,0,0,0.3);
  }
  .nav.is-mobile-open .nav__menu a { font-size: 18px; padding: 12px 0; }
  .nav.is-mobile-open .nav__right {
    display: flex;
    position: fixed;
    top: 0; right: 0;
    width: min(78vw, 340px);
    z-index: 71;
    flex-direction: column; align-items: stretch; gap: 12px;
    padding: 0 32px;
    top: auto; bottom: 32px;
  }
  .nav.is-mobile-open .nav__phone { color: var(--white); }

  /* Grids reflow */
  .products__grid { grid-template-columns: 1fr 1fr; }
  .process__grid { grid-template-columns: 1fr 1fr; }
  .expect__grid { grid-template-columns: 1fr 1fr; }
  .steps__grid { grid-template-columns: 1fr 1fr; }
  .whoweare__grid { grid-template-columns: 1fr; }
  .facilities__grid { grid-template-columns: 1fr; }
  .facilities__top { flex-direction: column; align-items: flex-start; gap: 24px; }
  .contact__grid { grid-template-columns: 1fr; }
  .predict__inner { grid-template-columns: 1fr; gap: 40px; }
  .predict__img { height: 340px; }
  .testimonials__top { flex-direction: column; align-items: flex-start; gap: 24px; }

  .section { padding-block: 72px; }
  .section-title, .cta__title, .predict__title, .hero__title { font-size: 40px; }
  .section-lead, .cta__text, .expect__head p, .predict__text,
  .facilities__top .facilities__lead, .compare__foot p { font-size: 20px; }
}

/* ---------- Comparison chart stacks ------------------------------------- */
@media (max-width: 860px) {
  .compare { grid-template-columns: 1fr; }
}

/* ---------- Phones (< 640px) -------------------------------------------- */
@media (max-width: 639px) {
  :root { --gutter: 20px; }

  .hero__inner { min-height: 640px; }
  .hero__content { padding-top: 120px; gap: 28px; }
  .hero__title { font-size: 34px; }
  .hero__text { font-size: 16px; }
  .hero__proof { position: static; margin-top: 40px; padding-bottom: 48px; }

  .products__grid,
  .process__grid,
  .expect__grid,
  .steps__grid { grid-template-columns: 1fr; }

  .facilities__media { grid-template-columns: 1fr; }
  .form__row { grid-template-columns: 1fr; }

  .section { padding-block: 56px; }
  .section-title, .cta__title, .predict__title { font-size: 30px; }
  .faq__q { font-size: 20px; }
  .compare__col { padding: 24px; }
  .compare__title { font-size: 24px; }

  /* Footer stacks */
  .site-footer__inner { flex-direction: column; gap: 48px; padding-block: 64px; }
  .footer-brand, .footer-brand__logo { width: 220px; }
  .footer-cols__row { flex-direction: column; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 20px; align-items: flex-start; }

  .marquee__item { font-size: 15px; }
  .testimonials__arrows { justify-content: flex-start; }

  .btn { padding: 13px 20px; font-size: 13px; }
}

/* ---------- Reveal safety on small screens ------------------------------ */
@media (max-width: 1023px) {
  .reveal { transform: translateY(18px); }
}