/* ============================================================
   TOP DOORS — Responsive / device styles
   Loaded after style.css. Refines layout for tablets & phones.
   Breakpoints: 1024 (small laptop) · 820 (tablet) · 560 (phone) · 400 (small phone)
   ============================================================ */

/* ---------- Small laptop / large tablet ---------- */
@media (max-width: 1024px) {
  :root { --maxw: 960px; }
  .hero__grid { gap: 2rem; }
  .hero__title { font-size: clamp(2.4rem, 6vw, 4rem); }
  .split { gap: 2.5rem; }
}

/* ---------- Tablet ---------- */
@media (max-width: 820px) {
  .section { padding-block: clamp(3rem, 8vw, 5rem); }
  .hero__grid { grid-template-columns: 1fr; text-align: left; min-height: auto; padding-block: 2.5rem; }
  .door-stage { order: -1; min-height: 56vh; }
  .hero__content { max-width: 100%; }
  .hero__stats { flex-wrap: wrap; gap: 1.4rem 2rem; }

  .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .product-grid { grid-template-columns: repeat(2, 1fr); }

  .split, .contact-grid { grid-template-columns: 1fr; }
  .about-doorwrap { order: -1; }

  /* PDP: gallery on top, info below */
  .pdp { grid-template-columns: 1fr; }
  .gallery { position: static; }
  .gallery__thumbs { overflow-x: auto; flex-wrap: nowrap; padding-bottom: .4rem; -webkit-overflow-scrolling: touch; }
  .thumb { flex: 0 0 auto; }

  .footer-grid { grid-template-columns: 1fr 1fr; gap: 1.6rem 2rem; }
}

/* ---------- Phone ---------- */
@media (max-width: 560px) {
  :root { --radius: 5px; }
  .container { padding-inline: clamp(1.25rem, 5.5vw, 1.6rem); }
  .section { padding-block: 2.8rem; }
  .section-title { font-size: clamp(1.7rem, 8vw, 2.3rem); }

  /* Buttons: comfortable tap targets, looser uppercase so text isn't cramped */
  .btn { letter-spacing: .05em; }

  /* Header: brand + burger with breathing room */
  .nav { height: 64px; gap: 1rem; }
  .brand { font-size: 1.18rem; gap: .55rem; min-width: 0; }
  .brand__mark { width: 26px; height: 26px; }
  .brand span { min-width: 0; overflow: hidden; }
  .brand small { font-size: .5rem; letter-spacing: .24em; white-space: nowrap; }
  .nav__burger { flex: none; margin-right: -4px; }
  .nav__links { top: 64px; }

  /* Hero */
  .hero__title { font-size: clamp(2.1rem, 10vw, 2.9rem); }
  .hero__sub { font-size: 1rem; }
  .hero__actions { gap: .7rem; }
  .hero__actions .btn { width: 100%; }
  .hero__stats { gap: 1.2rem 1.6rem; }
  .hero__stat b { font-size: 1.8rem; }
  .door-stage { min-height: 62vh; }
  .door-scene { width: min(230px, 78vw); }

  /* Cards → single column */
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: 1fr; gap: 1rem; }

  /* Buttons: comfortable tap targets */
  .btn { padding: .95rem 1.3rem; }
  .btn--lg { padding: 1.05rem 1.5rem; }

  /* Split / about door */
  .about-doorwrap .door-stage { min-height: 440px; }
  .about-doorwrap .door-scene { width: min(200px, 62vw); }

  /* Model carousel */
  .split__media { aspect-ratio: 3/3.4; }
  .door-carousel__btn { width: 38px; height: 38px; font-size: 1.2rem; }

  /* Steps */
  .step { grid-template-columns: 1fr; gap: .6rem; }
  .step__num { width: 46px; height: 46px; }

  /* PDP */
  .pdp-title { font-size: clamp(1.8rem, 9vw, 2.4rem); }
  .pdp-actions .btn { width: 100%; }
  .pdp-badges { gap: .4rem; }
  .spec-table th, .spec-table td { padding: .6rem .7rem; font-size: .82rem; }
  .spec-table th { width: 42%; }
  .lightbox__nav { width: 40px; height: 40px; }
  .lightbox__close { top: 1.6vh; right: 4vw; }

  /* Contacts */
  .info-item p { font-size: 1rem; }
  .req-list { grid-template-columns: 1fr; gap: .1rem .5rem; }
  .req-list dt { margin-top: .5rem; }
  .map-wrap iframe { height: 320px; }

  /* Forms */
  .form-row { grid-template-columns: 1fr; }
  .seg { flex-direction: column; }
  .seg label { min-width: 0; }

  /* CTA band — smaller inner padding so text isn't cramped against edges */
  .cta-band { padding: 1.9rem 1.4rem; }
  .cta-band h2 { font-size: clamp(1.5rem, 6.5vw, 2rem); line-height: 1.12; max-width: none; }
  .cta-band__inner { flex-direction: column; align-items: flex-start; gap: 1.3rem; }
  .cta-band .btn { width: 100%; }

  /* Page hero (interior pages) — comfortable padding */
  .page-hero { padding-block: clamp(2.4rem, 9vw, 3.5rem); }
  .page-hero h1 { font-size: clamp(1.9rem, 8.5vw, 2.6rem); }
  .page-hero p { font-size: 1rem; }

  /* Form card — a touch less padding so fields have width */
  .form-card { padding: 1.4rem 1.3rem; }
  .calc__result { padding: 1.5rem 1.3rem; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; gap: 1.4rem; text-align: left; }
  .footer-bottom { flex-direction: column; gap: .6rem; align-items: flex-start; }

  /* Legal pages */
  .legal h1 { font-size: clamp(1.7rem, 8vw, 2.2rem); }
  .legal p, .legal li { font-size: .92rem; }
}

/* ---------- Small phone ---------- */
@media (max-width: 400px) {
  .hero__stats { gap: 1rem 1.2rem; }
  .hero__stat b { font-size: 1.6rem; }
  .door-scene { width: min(210px, 80vw); }
  .catalog-toolbar { gap: .4rem; }
  .chip { padding: .5rem .9rem; font-size: .74rem; }
  .product__body { padding: 1.1rem 1.1rem 1.3rem; }
}

/* ---------- Landscape phones: let hero breathe ---------- */
@media (max-width: 820px) and (orientation: landscape) {
  .door-stage { min-height: 90vh; }
}

/* ---------- Touch devices: disable heavy hover transforms ---------- */
@media (hover: none) {
  .card:hover, .product:hover, .btn:hover { transform: none; }
  .product:hover .product__media img { transform: none; }
}