@import url('tokens/fonts.css');
@import url('tokens/colors.css');
@import url('tokens/typography.css');
@import url('tokens/spacing.css');

/* ==============================
   Responsive / mobile experience
   ============================== */
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { overflow-x: hidden; }
img, video { max-width: 100%; }
.mobile-only { display: none !important; }

.mobile-menu-button {
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  padding: 10px;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
}
.mobile-menu-button span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--mtz-navy);
  transition: transform var(--dur-fast), opacity var(--dur-fast);
}
.mobile-menu {
  background: var(--mtz-paper);
  border-bottom: var(--line-hair);
  padding: 18px 20px 22px;
  box-shadow: var(--shadow-overlay);
  flex-direction: column;
  gap: 18px;
  max-height: calc(100vh - 64px);
  overflow-y: auto;
}
.mobile-menu-nav { display: grid; gap: 4px; }
.mobile-menu-nav .nav-link {
  width: 100%;
  text-align: left;
  padding: 13px 0 !important;
  font-size: 12px !important;
  border-bottom: var(--line-hair) !important;
}
.mobile-menu-divider { height: 1px; background: var(--border-line); }
.mobile-util-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 12px; }
.mobile-util-grid button {
  border: 0;
  background: transparent;
  text-align: left;
  padding: 9px 0;
  color: var(--text-muted);
  font: 600 10px/1.3 var(--font-body);
  letter-spacing: .12em;
  text-transform: uppercase;
}
.mobile-lang { display: flex; justify-content: flex-start; }

@media (max-width: 980px) {
  .axis-grid { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; }
  .product-grid, .presence-grid, .inst-grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; }
  .history-hero-grid, .history-plant-grid, .fab-layout, .contact-layout { grid-template-columns: 1fr !important; }
  .history-hero-grid { gap: 36px !important; }
  .history-hero-grid figure { max-width: 640px; }
  .fab-layout { gap: 34px !important; }
  .contact-layout { gap: 46px !important; }
  .stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; }

  /* The new portfolio cards are horizontal on desktop. One card per row is clearer on tablet. */
  .portfolio-grid { grid-template-columns: 1fr !important; }
}

@media (max-width: 860px) {
  .desktop-only { display: none !important; }
  .mobile-only { display: flex !important; }
  .site-header-main { height: 64px !important; padding: 0 20px !important; }
  .site-logo img { height: 25px !important; }

  .hero-inner { padding: 76px 20px 70px !important; }
  .hero-title { font-size: clamp(36px, 10vw, 46px) !important; line-height: 1.12 !important; }
  .page-title { font-size: clamp(34px, 9vw, 42px) !important; line-height: 1.15 !important; }
  .section-pad { padding: 64px 20px !important; }
  .fab-layout { padding: 64px 20px !important; }
  .stats-grid { padding: 58px 20px !important; gap: 28px !important; }
  .cta-wrap { padding: 58px 20px !important; }
  .cta-card { padding: 36px 24px !important; }

  .history-hero-grid { padding: 64px 20px !important; }
  .history-gallery-section { padding: 0 20px 64px !important; }
  .history-plant-grid { padding: 64px 20px !important; }
  .history-blocks { grid-template-columns: 1fr !important; }
  .history-blocks > div { padding: 28px 0 !important; border-left: 0 !important; border-top: var(--line-hair); }
  .history-blocks > div:first-child { border-top: 0; padding-top: 0 !important; }
  .history-gallery { grid-template-columns: 1fr !important; gap: 30px !important; }
  .history-gallery img { height: 240px !important; }
  .history-plant-image { height: 280px !important; }

  .inst-hero-inner { padding: 52px 20px 46px !important; }
  .inst-body { padding: 52px 20px 72px !important; }
  .inst-grid-2 { grid-template-columns: 1fr !important; gap: 22px !important; }
  .inst-pillars-grid { grid-template-columns: 1fr !important; }
  .ethics-message-row { flex-direction: column !important; }
  .ethics-message-row textarea { width: 100%; min-height: 110px; }
  .cert-grid { grid-template-columns: 1fr !important; padding: 28px 24px !important; gap: 24px !important; }
  .cert-grid > p { border-left: 0 !important; padding-left: 0 !important; border-top: var(--line-hair); padding-top: 24px !important; }

  .portfolio-main { padding: 52px 20px 70px !important; }
  .portfolio-stats { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; }
  .portfolio-stats > div:nth-child(odd) { border-left: 0 !important; }
  .portfolio-stats > div { border-bottom: var(--line-hair); }
  .portfolio-stats > div:nth-last-child(-n+2) { border-bottom: 0; }
  .portfolio-foot { padding: 58px 20px !important; }

  .contact-hero-inner { padding: 64px 20px 58px !important; }
  .contact-layout { padding: 52px 20px 72px !important; }
  .contact-meta { gap: 24px !important; flex-wrap: wrap; }
  .form-grid-2 { grid-template-columns: 1fr !important; }

  .footer-inner { padding: 46px 20px 30px !important; }
  .footer-bottom { gap: 12px; flex-direction: column; line-height: 1.5 !important; }

  button, a, input, select, textarea { touch-action: manipulation; }
  button { min-height: 40px; }
}

@media (max-width: 680px) {
  .line-card { grid-template-columns: 1fr !important; }
  .line-card > div:first-child { min-height: 220px !important; }
}

@media (max-width: 600px) {
  :root {
    --text-h2: 27px;
    --text-body-md: 14px;
  }
  .hero-inner { padding-top: 62px !important; padding-bottom: 58px !important; }
  .hero-inner > div { max-width: 100% !important; }
  .hero-actions { flex-direction: column !important; align-items: stretch; }
  .hero-actions > * { width: 100%; }

  .axis-grid, .product-grid, .presence-grid, .inst-grid-3, .stats-grid, .footer-grid { grid-template-columns: 1fr !important; }
  .product-head { align-items: flex-start !important; flex-direction: column !important; }
  .fab-images { height: auto !important; grid-template-columns: 1fr !important; }
  .fab-images > div { height: 190px; }
  .fabgrad { background: linear-gradient(180deg,var(--mtz-paper) 5%,transparent 52%,var(--mtz-paper) 100%) !important; }

  .portfolio-stats { grid-template-columns: 1fr !important; }
  .portfolio-stats > div { border-left: 0 !important; border-bottom: var(--line-hair) !important; padding: 16px 4px !important; }
  .portfolio-stats > div:last-child { border-bottom: 0 !important; }
  .line-card > div:nth-child(2) { padding: 22px 20px 20px !important; }

  .contact-meta { flex-direction: column; }
  .contact-meta > div { width: 100%; }
  .history-plant-image { height: 230px !important; }

  .footer-grid { gap: 30px !important; }
  .mobile-util-grid { grid-template-columns: 1fr; }

  [role="dialog"] { max-width: calc(100vw - 28px) !important; max-height: calc(100vh - 28px) !important; overflow: auto !important; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

/* SEO / first-render shell: content stays visible until React replaces #root. */
.seo-bootstrap { min-height: 72vh; background: #233d6d; color: #f7f7f6; }
.seo-bootstrap-hero { max-width: 1180px; margin: 0 auto; padding: 112px 32px 104px; }
.seo-bootstrap-logo { height: 30px; width: auto; display: block; margin-bottom: 52px; }
.seo-bootstrap-overline { margin: 0 0 20px; font: 600 11px/1 Arial,sans-serif; letter-spacing: .22em; color: #7195cc; }
.seo-bootstrap h1 { max-width: 700px; margin: 0; font: 300 52px/1.12 Arial,sans-serif; letter-spacing: .01em; }
.seo-bootstrap p:not(.seo-bootstrap-overline) { max-width: 600px; margin: 24px 0 0; font: 400 16px/1.75 Arial,sans-serif; color: #d3d6dc; }
.noscript-note { max-width: 760px; margin: 20px auto; padding: 0 24px; font: 400 13px/1.6 Arial,sans-serif; }
.hero-site-name { display:block; margin:0 0 16px; font:600 12px/1 var(--font-body); letter-spacing:.24em; text-transform:uppercase; color:var(--mtz-steel); }
@media (max-width: 680px) {
  .seo-bootstrap-hero { padding: 72px 20px 64px; }
  .seo-bootstrap-logo { height: 25px; margin-bottom: 40px; }
  .seo-bootstrap h1 { font-size: 38px; }
}