/* =============================================================
   LONDON PREMIER PROPERTIES — RESPONSIVE OVERRIDES
   Base styles (styles.css / components.css) are composed for
   desktop; this file scales the layout down through laptop,
   tablet and mobile. Loaded after both.
   ============================================================= */

/* ---------------------------------------------------------------
   LAPTOP  (≤ 1180px)
   --------------------------------------------------------------- */
@media (max-width: 1180px) {
  :root { --sp-3xl: 6rem; --sp-2xl: 4.25rem; }

  .hero-grid { gap: var(--sp-xl); }
  .property-grid { gap: var(--sp-md); }
  .detail-layout { grid-template-columns: minmax(0,1fr) 340px; gap: var(--sp-xl); }
  .main-nav ul { gap: var(--sp-md); }
}

/* ---------------------------------------------------------------
   TABLET / NAV COLLAPSE  (≤ 980px)
   --------------------------------------------------------------- */
@media (max-width: 980px) {
  :root { --header-h: 82px; --header-h-scrolled: 68px; }

  /* Nav collapses to the mobile menu */
  .main-nav { display: none; }
  .header-actions .btn-primary { display: none; }
  .menu-toggle { display: flex; }

  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { max-width: 640px; }
  .spotlight { max-width: 640px; }

  .property-grid, .property-grid--2 { grid-template-columns: repeat(2, 1fr); }

  .footer-top { grid-template-columns: 1.2fr 1fr; }
  .footer-top .footer-col--contact { grid-column: 1 / -1; }

  .detail-layout { grid-template-columns: 1fr; }
  .enquiry-panel { position: static; }

  .gallery { grid-template-columns: 1fr; }
  .gallery-thumbs { grid-template-rows: none; grid-auto-flow: column; grid-auto-columns: 120px; overflow-x: auto; padding-bottom: 4px; }
  .gallery-thumb .image-frame { aspect-ratio: 4/3; }

  .about-lead-grid, .split-band, .appraisal-band, .contact-grid { grid-template-columns: 1fr; }
  .split-band-media { order: -1; }
  .split-band-media .image-frame { aspect-ratio: 16/9; }

  .benefit-grid, .value-grid, .testimonial-strip { grid-template-columns: repeat(2, 1fr); }
  .process-strip { grid-template-columns: repeat(2, 1fr); gap: var(--sp-xl) var(--sp-lg); }

  .filter-bar { display: none; }
  .filter-bar-mobile-trigger {
    display: flex; align-items: center; justify-content: space-between;
    gap: var(--sp-sm); width: 100%;
    background: var(--ivory); border: 1px solid var(--line);
    padding: 0.9em 1.1em; margin-bottom: var(--sp-lg);
    font-size: var(--fs-small); font-weight: 600;
  }

  .stat-row { gap: var(--sp-xl); flex-wrap: wrap; }
}

/* ---------------------------------------------------------------
   MOBILE  (≤ 760px)
   --------------------------------------------------------------- */
@media (max-width: 760px) {
  :root {
    --sp-3xl: 4.5rem; --sp-2xl: 3.25rem; --sp-xl: 2.5rem;
  }

  .logo-word { display: none; }
  .logo-plate { width: 46px; height: 46px; }
  .site-header.is-scrolled .logo-plate, .site-header.is-solid .logo-plate { width: 42px; height: 42px; }

  .hero-copy .btn-row { flex-direction: column; align-items: stretch; }
  .hero-copy .btn { justify-content: center; }
  .hero-skyline-bg { display: none; }

  .spotlight-info { flex-direction: column; align-items: flex-start; }
  .spotlight-price { text-align: left; }
  .spotlight-controls { flex-wrap: wrap; }

  .property-grid, .property-grid--2 { grid-template-columns: 1fr; }

  .section-head { flex-direction: column; align-items: flex-start; }

  .footer-top { grid-template-columns: 1fr; gap: var(--sp-lg); padding-block: var(--sp-xl) var(--sp-lg); }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: var(--sp-sm); }

  .form-grid { grid-template-columns: 1fr; }

  .detail-status-row { padding-top: var(--sp-md); }
  .detail-price-block { text-align: left; }
  .detail-title-row { flex-direction: column; }
  .spec-strip { gap: var(--sp-lg); }
  .feature-list { grid-template-columns: 1fr; }

  .benefit-grid, .value-grid, .testimonial-strip, .process-strip { grid-template-columns: 1fr; }

  .contact-form-wrap { padding: var(--sp-lg) var(--sp-md); }

  .mobile-menu a { font-size: 1.7rem; }

  .filter-drawer { width: 100%; }
}

/* ---------------------------------------------------------------
   SMALL MOBILE  (≤ 480px)
   --------------------------------------------------------------- */
@media (max-width: 480px) {
  .btn { padding: 1em 1.4em; font-size: 0.8rem; }
  .property-card-footer { flex-direction: column; align-items: flex-start; gap: 0.6rem; }
  .spotlight-meta { flex-wrap: wrap; row-gap: 0.4rem; }
  .lightbox-prev, .lightbox-next { width: 42px; height: 42px; }
  .lightbox-prev { left: 0.5rem; }
  .lightbox-next { right: 0.5rem; }
  .lightbox-close { top: 0.75rem; right: 0.75rem; }
}

/* ---------------------------------------------------------------
   Fine pointer / hover-capable devices only
   (keeps hover animations off touch devices where they can stick)
   --------------------------------------------------------------- */
@media (hover: none) {
  .property-card:hover .property-card-media .image-frame img { transform: none; }
}