/* ═══════════════════════════════════════════════════════════
   MOBILE.CSS — responsive overrides only
   Desktop (≥ 768px) is completely unchanged.
   ═══════════════════════════════════════════════════════════ */

/* ── TABLET / LANDSCAPE (≤ 1024px) ─────────────────────── */
@media (max-width: 1024px) {

  nav { padding: 0 32px; }

  .union-spotlight   { padding: 64px 40px; gap: 48px; }
  .process           { padding: 80px 40px; }
  .diff-band         { padding: 80px 40px; gap: 48px; }
  .products-preview  { padding: 80px 40px; }
  .about-strip       { padding: 80px 40px; gap: 48px; }
  .cta-band          { padding: 80px 40px; }

  .page-header        { padding: 140px 40px 60px; }
  .filter-bar         { padding: 0 40px; }
  .products-section   { padding: 60px 40px 80px; }
  .product-entry      { grid-template-columns: 280px 1fr; gap: 40px; }

  .contact-left  { padding: 120px 40px 60px; }
  .contact-right { padding: 80px 40px; }

  footer               { padding: 48px 40px; }
  footer.footer-simple { padding: 40px 40px; }
}

/* ── MOBILE PORTRAIT (≤ 767px) ──────────────────────────── */
@media (max-width: 767px) {

  /* ─── NAVIGATION ─── */
  nav {
    padding: 0 20px;
    height: 60px;
  }
  .nav-logo img   { height: 26px; }
  .nav-links      { gap: 18px; }
  .nav-links a    { font-size: 11px; letter-spacing: 0.06em; }
  .nav-contact-btn { display: none; }

  /* ─── BASE TYPOGRAPHY ─── */
  .section-label {
    font-size: 11px;
    letter-spacing: 0.2em;
    margin-bottom: 12px;
  }
  .section-title {
    font-size: clamp(26px, 8vw, 38px);
    margin-bottom: 32px;
    max-width: 100%;
    line-height: 1.2;
  }

  /* ─── iOS: prevent auto-zoom on form focus ─── */
  input, textarea, select {
    font-size: 16px !important;
  }

  /* ─── HERO ─── */
  .hero         { min-height: 100svh; align-items: flex-end; }
  .hero-content { padding: 0 20px 56px; max-width: 100%; }
  .hero-eyebrow { font-size: 10px; letter-spacing: 0.18em; margin-bottom: 20px; }
  .hero-title   {
    font-size: clamp(36px, 10vw, 54px);
    margin-bottom: 18px;
    line-height: 1.1;
  }
  .hero-body {
    font-size: 15px;
    line-height: 1.75;
    margin-bottom: 28px;
    max-width: 100%;
  }
  .hero-ctas       { flex-direction: column; align-items: flex-start; gap: 14px; }
  .btn-primary,
  .btn-ghost       { font-size: 12px; padding: 14px 28px; }
  .hero-scroll-hint { display: none; }

  /* ─── UNION SPOTLIGHT ─── */
  .union-spotlight {
    padding: 48px 20px;
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .union-badge          { font-size: 9px; padding: 4px 12px; }
  .union-spotlight-heading {
    font-size: clamp(26px, 7.5vw, 36px);
    line-height: 1.15;
    margin-bottom: 12px;
  }
  .union-spotlight-sub  { font-size: 13px; }
  .union-spotlight-body { font-size: 14px; line-height: 1.75; max-width: 100%; }
  .union-spec-pill      { font-size: 11px; }
  .union-stat           { padding: 14px 8px; }
  .union-stat-val       { font-size: 20px; }
  .union-stat-label     { font-size: 9px; letter-spacing: 0.08em; }

  /* ─── PROCESS ─── */
  .process { padding: 48px 20px; }
  .process-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 40px;
  }
  .process-heading   { font-size: clamp(22px, 6vw, 32px); }
  .process-tagline   { text-align: left; max-width: 100%; font-size: 13px; }
  .process-track     { grid-template-columns: 1fr; gap: 0; }
  .process-track::before { display: none; }
  .process-step {
    display: grid;
    grid-template-columns: 48px 1fr;
    grid-template-rows: auto auto auto;
    column-gap: 16px;
    row-gap: 4px;
    text-align: left;
    padding: 20px 0;
    border-bottom: 1px solid rgba(184,137,74,0.1);
    align-items: start;
  }
  .process-step:last-child { border-bottom: none; }
  .process-node {
    grid-column: 1;
    grid-row: 1 / 4;
    width: 44px;
    height: 44px;
    margin-bottom: 0;
    margin-top: 2px;
    align-self: start;
  }
  .process-step-num  { grid-column: 2; grid-row: 1; font-size: 10px; margin-bottom: 0; }
  .process-step-name { grid-column: 2; grid-row: 2; font-size: 16px; margin-bottom: 4px; }
  .process-step-desc { grid-column: 2; grid-row: 3; font-size: 13px; line-height: 1.6; }

  /* ─── DIFFERENTIATOR BAND ─── */
  .diff-band {
    padding: 48px 20px;
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .diff-left .section-title { margin-bottom: 0; }
  .diff-text  { font-size: 14px; line-height: 1.65; }
  .diff-text strong { font-size: 15px; }
  .diff-item  { padding: 20px 0; gap: 16px; }

  /* ─── PRODUCTS PREVIEW (homepage) ─── */
  .products-preview { padding: 48px 20px; }
  .products-preview-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 28px;
  }
  .products-grid      { grid-template-columns: 1fr; gap: 14px; }
  .product-card-body  { padding: 18px 20px; }
  .product-name       { font-size: 18px; }
  .product-spec       { font-size: 12px; }

  /* ─── ABOUT STRIP ─── */
  .about-strip {
    padding: 48px 20px;
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .about-body  { font-size: 14px; line-height: 1.8; margin-bottom: 28px; }
  .about-quote { font-size: 20px; padding-left: 18px; line-height: 1.45; }

  /* ─── CTA BAND ─── */
  .cta-band { padding: 56px 20px; gap: 20px; }
  .cta-band .section-title {
    font-size: clamp(24px, 7vw, 34px);
    max-width: 100%;
    text-align: left;
  }
  .cta-band .section-label { text-align: left; }

  /* ─── FOOTER ─── */
  .footer-addresses {
    flex-direction: column;
    gap: 20px;
  }
  .footer-addr-divider { display: none; }

  footer {
    padding: 40px 20px;
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer-right  { text-align: left; gap: 16px; }
  .footer-nav    { justify-content: flex-start; gap: 20px; flex-wrap: wrap; }
  .footer-social { justify-content: flex-start; gap: 20px; }
  .footer-address { font-size: 13px; }
  .footer-copy    { font-size: 11px; }

  footer.footer-simple {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
    padding: 36px 20px;
  }
  footer.footer-simple .footer-nav { justify-content: flex-start; }

  /* ─── CONTACT FORM (shared component) ─── */
  .form-row         { grid-template-columns: 1fr; gap: 0; }
  .form-heading     { font-size: 22px; margin-bottom: 24px; }
  .form-submit-row  { flex-direction: column; align-items: flex-start; gap: 14px; }
  .form-note        { font-size: 12px; }
  .btn-submit       { padding: 15px 32px; font-size: 12px; width: 100%; text-align: center; }


  /* ═══════════════════════════════════════
     PRODUCTS PAGE
  ═══════════════════════════════════════ */

  .page-header { padding: 96px 20px 40px; }
  .page-header-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  .page-title        { font-size: clamp(32px, 9vw, 48px); line-height: 1.1; }
  .page-header-right {
    text-align: left;
    max-width: 100%;
    font-size: 14px;
    line-height: 1.7;
    color: rgba(245,238,228,0.55);
  }

  .filter-bar  { padding: 0 4px; }
  .filter-btn  { padding: 16px 14px; font-size: 11px; letter-spacing: 0.08em; }

  .products-section { padding: 32px 20px 56px; }

  .category-heading    { flex-direction: column; gap: 6px; margin-bottom: 28px; padding-bottom: 16px; }
  .category-heading h2 { font-size: 26px; }
  .category-heading span { font-size: 11px; }
  .category-block      { margin-bottom: 40px; }

  .product-entry {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 32px 0;
  }
  .product-entry.featured::before {
    top: 8px;
    bottom: auto;
    right: 0;
    font-size: 9px;
    letter-spacing: 0.1em;
  }

  .product-image         { max-width: 100%; }
  .product-brand-tag     { font-size: 10px; letter-spacing: 0.2em; }
  .product-title         { font-size: 22px; line-height: 1.2; margin-bottom: 6px; }
  .product-subtitle      { font-size: 13px; margin-bottom: 18px; }
  .product-description   { font-size: 14px; line-height: 1.75; max-width: 100%; margin-bottom: 20px; }
  .product-specs         { grid-template-columns: 1fr 1fr; margin-bottom: 20px; }
  .spec-key, .spec-val   { font-size: 12px; padding: 9px 0; }
  .color-options         { margin-bottom: 20px; }
  .color-tag             { font-size: 11px; padding: 5px 10px; }
  .product-cta           { padding: 13px 24px; font-size: 11px; }
  .warranty-badge        { font-size: 12px; margin-left: 12px; }


  /* ═══════════════════════════════════════
     CONTACT PAGE
  ═══════════════════════════════════════ */

  .contact-page {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .contact-left {
    padding: 96px 20px 44px;
    min-height: auto;
  }
  .contact-right {
    padding: 44px 20px 60px;
    justify-content: flex-start;
  }
  .contact-eyebrow { font-size: 9px; letter-spacing: 0.2em; margin-bottom: 14px; }
  .contact-title   {
    font-size: clamp(30px, 8.5vw, 44px);
    margin-bottom: 20px;
    line-height: 1.1;
  }
  .contact-intro   { font-size: 14px; line-height: 1.7; margin-bottom: 28px; max-width: 100%; }

  .contact-detail-item  { padding: 18px 0; gap: 5px; }
  .detail-label         { font-size: 9px; letter-spacing: 0.2em; }
  .detail-value         { font-size: 14px; line-height: 1.55; }

  .contact-left-bottom  { padding-top: 28px; }
  .contact-social       { gap: 20px; flex-wrap: wrap; }
  .contact-social a     { font-size: 11px; letter-spacing: 0.1em; }
}

/* ── SMALL PHONES (≤ 374px) ─────────────────────────────── */
@media (max-width: 374px) {
  .nav-links          { gap: 12px; }
  .nav-links a        { font-size: 10px; }
  .hero-title         { font-size: 32px; }
  .hero-body          { font-size: 14px; }
  .process-node       { width: 38px; height: 38px; }
  .union-stat-val     { font-size: 17px; }
  .contact-title      { font-size: 28px; }
  .page-title         { font-size: 30px; }
  .product-specs      { grid-template-columns: 1fr; }
  .spec-key, .spec-val { font-size: 12px; }
}