/* =====================================================
   responsive.css — breakpoint adjustments
   ===================================================== */

/* — Large tablet — */
@media (max-width: 1100px) {
  .nav__cta { display: none; }
  .services__grid { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr; gap: 3rem; }
  .case-study__top {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* — Tablet — */
@media (max-width: 900px) {
  .nav__links {
    position: fixed;
    top: 0; right: 0;
    width: 80vw;
    max-width: 360px;
    height: 100vh;
    background: var(--surface);
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 4rem 2rem;
    gap: 1.5rem;
    transform: translateX(100%);
    transition: transform 0.5s var(--ease);
    border-left: 1px solid var(--line);
    box-shadow: var(--shadow-lg);
  }
  .nav__links.is-open { transform: translateX(0); }
  .nav__links a { font-size: 1.2rem; }
  .nav__burger { display: block; z-index: 200; }
  .trust { grid-template-columns: 1fr; gap: 1rem; }
  .trust__label { text-align: center; }
}

/* — Mobile — */
@media (max-width: 768px) {
  .hero { padding-top: 7rem; padding-bottom: 3rem; min-height: auto; }
  .hero__title { font-size: clamp(2.4rem, 11vw, 4rem); }
  .hero__stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    padding: 1.5rem 0;
  }
  .stat { padding: 0; border-right: none; }
  .stat:nth-child(odd) {
    border-right: 1px solid var(--line);
    padding-right: 1rem;
  }
  .hero__scroll { display: none; }
  .hero__corner { width: 24px; height: 24px; }

  .marquee__track {
    gap: 1.5rem;
    font-size: clamp(1.3rem, 5vw, 2rem);
  }

  .section-head { margin-bottom: 3rem; }

  .case-study { padding: 1.6rem; }
  .case-study__quote { grid-template-columns: 1fr; gap: 0.8rem; }

  .process__step { grid-template-columns: 60px 1fr; gap: 1rem; }
  .process__line { left: 30px; }
  .process__marker { width: 60px; }
  .process__marker span { width: 40px; height: 40px; font-size: 0.75rem; }

  .testimonial__mark { font-size: 6rem; top: -2rem; }

  .footer__cols { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .footer__bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.8rem;
  }

  .contact__row { grid-template-columns: 1fr; gap: 2rem; }
  .contact__form { padding: 1.8rem; }
}

/* — Small mobile — */
@media (max-width: 480px) {
  :root { --pad-x: 1.25rem; }
  .nav__logo-text { display: none; }
  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }
  .btn { justify-content: center; }
  .service { padding: 2rem 1.5rem; }
  .footer__cols { grid-template-columns: 1fr; }
}

/* — Wider screens — */
@media (min-width: 1600px) {
  :root { --pad-x: clamp(2rem, 6vw, 6rem); }
}