/* ============================================================
   responsive.css — Larger-screen enhancements
   ------------------------------------------------------------
   The site is mobile-first: base styles target phones. Here we
   progressively enhance for tablet and desktop using min-width
   media queries.
   Breakpoints:  mobile <=640px | tablet 641-1024px | desktop >=1025px
   ============================================================ */

/* ---------- Tablet and up (>= 641px) ---------- */
@media (min-width: 641px) {
  .logo__img {
    height: var(--logo-height-desktop);
  }

  /* Two-column grids for products and segments */
  .grid--2 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }

  .proof-band { grid-template-columns: repeat(3, 1fr); }

  .enquiry { grid-template-columns: 1.2fr 0.8fr; }

  .footer-cta-col { text-align: left; }
}

/* ---------- Desktop and up (>= 1025px) ---------- */
@media (min-width: 1025px) {
  .section {
    padding-top: var(--section-spacing);
    padding-bottom: var(--section-spacing);
  }

  /* Hero becomes a two-part split: text + supporting card */
  .hero__grid { grid-template-columns: 1.1fr 0.9fr; }

  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(4, 1fr); }

  .site-footer__grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; }

  /* Hide the floating WhatsApp button on large screens
     (it is already available in the header and footer) */
  .whatsapp-float { display: none; }
}

/* ---------- Mobile only (<= 640px): collapsing navigation ---------- */
@media (max-width: 640px) {
  .menu-toggle { display: inline-flex; align-items: center; justify-content: center; }

  /* Hide nav by default on mobile; JS adds .is-open to reveal it */
  .primary-nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background-color: var(--color-onyx);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-lg) var(--container-gutter);
  }
  .primary-nav.is-open { display: block; }

  .nav__list {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
  }

  /* Reduce section spacing on small screens */
  .section { padding-top: var(--space-xl); padding-bottom: var(--space-xl); }

  /* Full-width CTAs on mobile */
  .hero__cta-row .btn { width: 100%; }

  /* Keep the primary "Book a Consultation" button visible on mobile, but
     compact so it fits beside the logo and menu button (M5 fix). */
  .header-actions .btn--primary {
    padding: 8px 14px;
    font-size: var(--size-small);
    letter-spacing: 0.04em;
  }
}