/* Final shared adjustments: mobile navigation, footer consistency, and responsive QA */
html,
body {
  max-width: 100%;
  overflow-x: hidden;
}

img,
video,
iframe,
table {
  max-width: 100%;
}

nav .nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255,255,255,.28);
  border-radius: 2px;
  background: rgba(255,255,255,.04);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  margin-left: auto;
  transition: border-color .2s, background .2s;
}

nav .nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: rgba(255,255,255,.86);
  border-radius: 1px;
  transition: transform .22s ease, opacity .18s ease;
}

nav .nav-toggle:hover {
  border-color: rgba(255,255,255,.55);
  background: rgba(255,255,255,.08);
}

nav.menu-open .nav-toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

nav.menu-open .nav-toggle span:nth-child(2) {
  opacity: 0;
}

nav.menu-open .nav-toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

footer .footer-logo img,
footer img[alt="ALUCOSUN"] {
  height: 30px !important;
  width: auto !important;
  max-width: 220px !important;
  aspect-ratio: auto !important;
  object-fit: contain !important;
}

footer .footer-tagline {
  font-size: 12px !important;
  line-height: 1.7 !important;
  letter-spacing: 0 !important;
  color: rgba(255,255,255,.26) !important;
}

footer .footer-col-title {
  font-size: 9px !important;
  line-height: 1.35 !important;
  margin-bottom: 16px !important;
}

footer .footer-links a {
  font-size: 13px !important;
  line-height: 1.45 !important;
  color: rgba(255,255,255,.38) !important;
}

footer .footer-copy,
footer .footer-copyright,
footer .footer-legal a {
  font-size: 11px !important;
}

.scroll-top {
  position: fixed;
  right: 22px;
  bottom: 24px;
  z-index: 120;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 2px;
  background: rgba(0,35,58,.92);
  box-shadow: 0 14px 34px rgba(0,0,0,.22);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity .2s ease, transform .2s ease, visibility .2s ease, background .2s ease;
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top:hover {
  background: #003050;
}

.scroll-top span {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 13px;
  height: 13px;
  border-left: 2px solid #fff;
  border-top: 2px solid #fff;
  transform: translate(-50%, -35%) rotate(45deg);
}

/* Readability pass: keep the architectural tone, but avoid overly tiny support text. */
.sec-body,
.story-body,
.company-copy,
.eu-body,
.platform-body,
.ops-card-body,
.section-desc,
.intro-copy,
.prod-body,
.xpanel-body,
.detail-body,
.hero-sub,
.page-hero-sub,
.hero-copy,
.footer-cta-sub,
.cta-sub,
.page-cta-sub {
  line-height: 1.65 !important;
}

.file-desc,
.card-text,
.product-card-desc,
.why-body,
.surface-desc,
.cert-card-body,
.report-use,
.cert-copy,
.project-card p,
.info-value {
  font-size: 14px !important;
  line-height: 1.65 !important;
}

.spec-table td,
.spec-val,
.kv-v,
.fact,
.spec-row {
  font-size: 13.5px !important;
  line-height: 1.55 !important;
}

.label,
.sec-label,
.hero-label,
.page-hero-label,
.eyebrow,
.footer-cta-label,
.cta-label,
.page-cta-label,
.file-meta,
.badge,
.product,
.platform-region,
.platform-note,
.cert-standard,
.card-kicker,
.detail-index,
.spec-panel-title {
  font-size: 10px !important;
}

.footer-tagline,
.footer-links a,
.footer-copy,
.footer-copyright,
.footer-legal a {
  color: rgba(255,255,255,.42) !important;
}

footer .footer-grid {
  grid-template-columns: minmax(330px, 2.35fr) 1fr 1fr 1fr !important;
  gap: 54px !important;
}

footer .footer-tagline {
  color: rgba(255,255,255,.58) !important;
}

footer .footer-links a {
  color: rgba(255,255,255,.56) !important;
}

.footer-liaison {
  margin-top: 24px;
  display: grid;
  gap: 12px;
  max-width: 520px;
}

.footer-liaison-title {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255,255,255,.58);
}

.footer-liaison-card {
  padding-left: 14px;
  border-left: 1px solid rgba(9,177,87,.55);
  color: rgba(255,255,255,.68);
  font-size: 13px;
  line-height: 1.55;
}

.footer-liaison-card strong {
  display: block;
  margin-bottom: 3px;
  color: rgba(255,255,255,.92);
  font-size: 13px;
  font-weight: 700;
}

.footer-liaison-card span,
.footer-liaison-card a {
  display: block;
  color: rgba(255,255,255,.74);
}

.footer-liaison-card a {
  text-decoration: none;
}

.footer-liaison-card a:hover {
  color: #fff;
}

@media (min-width: 1025px) {
  .hero,
  .page-hero,
  #contact-hero {
    min-height: 560px !important;
    height: 68vh !important;
    align-items: center !important;
  }

  #hero {
    min-height: 680px !important;
    height: 92vh !important;
    align-items: center !important;
  }

  #hero .hero-content {
    text-align: center !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
  }

  .hero-content,
  .page-hero-content,
  .hero-inner,
  #contact-hero > div[style*="position:relative"] {
    max-width: 1200px !important;
    width: 100% !important;
    margin-left: auto !important;
    margin-right: auto !important;
    padding-left: 40px !important;
    padding-right: 40px !important;
    padding-top: 72px !important;
    padding-bottom: 0 !important;
    text-align: left !important;
  }

  #hero .hero-content {
    padding-top: 72px !important;
    padding-bottom: 0 !important;
  }

  .hero-label,
  .page-hero-label,
  .hero .eyebrow {
    font-size: 10px !important;
    letter-spacing: 3.2px !important;
    margin-bottom: 18px !important;
  }

  .hero-headline,
  .hero-h1,
  .page-hero-headline,
  .hero h1,
  #contact-hero h1 {
    font-size: clamp(48px, 6.3vw, 84px) !important;
    line-height: .95 !important;
    letter-spacing: -1px !important;
    margin-bottom: 20px !important;
    max-width: 760px !important;
  }

  #hero .hero-headline {
    font-size: clamp(56px, 7.3vw, 100px) !important;
  }

  .hero-sub,
  .page-hero-sub,
  .hero-copy,
  #contact-hero p {
    font-size: 16px !important;
    line-height: 1.65 !important;
    max-width: 540px !important;
  }

  #hero .hero-sub {
    margin-left: auto !important;
    margin-right: auto !important;
  }

  .resource-nav {
    position: fixed !important;
    top: 72px !important;
    left: 0 !important;
    right: 0 !important;
    z-index: 90 !important;
    margin-top: 0 !important;
  }

  nav.nav-hidden ~ .resource-nav,
  .resource-nav.nav-top {
    top: 0 !important;
  }
}

/* Desktop typography scale
   1440px is the design baseline: 15-inch MacBook comfortable view.
   Narrow desktop tightens slightly; wide desktop scales up gently with a cap. */
@media (min-width: 1025px) and (max-width: 1399px) {
  .container,
  .nav-inner,
  .hero-content,
  .page-hero-content,
  .stats-inner,
  .intro-strip-inner,
  .breadcrumb-inner,
  .resource-nav-inner,
  .cert-strip-inner {
    max-width: 1160px !important;
  }

  .sec-body,
  .story-body,
  .company-copy,
  .eu-body,
  .platform-body,
  .ops-card-body,
  .section-desc,
  .intro-copy,
  .prod-body,
  .xpanel-body,
  .detail-body,
  .hero-sub,
  .page-hero-sub,
  .hero-copy,
  .footer-cta-sub,
  .cta-sub,
  .page-cta-sub {
    font-size: 15px !important;
  }

  .file-desc,
  .card-text,
  .product-card-desc,
  .why-body,
  .surface-desc,
  .cert-card-body,
  .report-use,
  .cert-copy,
  .info-value {
    font-size: 13px !important;
  }

  .spec-table td,
  .spec-val,
  .kv-v,
  .fact,
  .spec-row {
    font-size: 13px !important;
  }

  .btn-primary,
  .btn-outline,
  .btn-outline-navy,
  .btn-ghost,
  .cert-download,
  .request-link,
  .download {
    font-size: 11px !important;
    letter-spacing: 1.8px !important;
  }
}

@media (min-width: 1400px) and (max-width: 1499px) {
  .container,
  .nav-inner,
  .hero-content,
  .page-hero-content,
  .stats-inner,
  .intro-strip-inner,
  .breadcrumb-inner,
  .resource-nav-inner,
  .cert-strip-inner {
    max-width: 1200px !important;
  }
}

@media (min-width: 1500px) and (max-width: 1799px) {
  .container,
  .nav-inner,
  .hero-content,
  .page-hero-content,
  .stats-inner,
  .intro-strip-inner,
  .breadcrumb-inner,
  .resource-nav-inner,
  .cert-strip-inner {
    max-width: 1320px !important;
  }

  .sec-body,
  .story-body,
  .company-copy,
  .eu-body,
  .platform-body,
  .ops-card-body,
  .section-desc,
  .intro-copy,
  .prod-body,
  .xpanel-body,
  .detail-body,
  .hero-sub,
  .page-hero-sub,
  .hero-copy,
  .footer-cta-sub,
  .cta-sub,
  .page-cta-sub {
    font-size: 17px !important;
  }

  .file-desc,
  .card-text,
  .product-card-desc,
  .why-body,
  .surface-desc,
  .cert-card-body,
  .report-use,
  .cert-copy,
  .info-value {
    font-size: 15px !important;
  }

  .spec-table td,
  .spec-val,
  .kv-v,
  .fact,
  .spec-row {
    font-size: 14.5px !important;
  }

  .nav-links a,
  .btn-primary,
  .btn-outline,
  .btn-outline-navy,
  .btn-ghost,
  .cert-download,
  .request-link,
  .download {
    font-size: 12px !important;
  }

  .footer-links a {
    font-size: 14px !important;
  }
}

@media (min-width: 1800px) {
  .container,
  .nav-inner,
  .hero-content,
  .page-hero-content,
  .stats-inner,
  .intro-strip-inner,
  .breadcrumb-inner,
  .resource-nav-inner,
  .cert-strip-inner {
    max-width: 1400px !important;
  }

  .sec-body,
  .story-body,
  .company-copy,
  .eu-body,
  .platform-body,
  .ops-card-body,
  .section-desc,
  .intro-copy,
  .prod-body,
  .xpanel-body,
  .detail-body,
  .hero-sub,
  .page-hero-sub,
  .hero-copy,
  .footer-cta-sub,
  .cta-sub,
  .page-cta-sub {
    font-size: 17.5px !important;
  }

  .file-desc,
  .card-text,
  .product-card-desc,
  .why-body,
  .surface-desc,
  .cert-card-body,
  .report-use,
  .cert-copy,
  .info-value {
    font-size: 15.5px !important;
  }

  .spec-table td,
  .spec-val,
  .kv-v,
  .fact,
  .spec-row {
    font-size: 15px !important;
  }

  .hero-headline,
  .hero-h1,
  .page-hero-headline,
  .hero h1,
  #contact-hero h1 {
    max-width: 820px !important;
  }
}

@media (max-width: 1024px) {
  body.nav-open {
    overflow: hidden;
  }

  nav {
    background: #00233a;
  }

  nav.nav-hidden.menu-open {
    transform: translateY(0);
  }

  nav .nav-inner {
    height: 68px;
    padding-left: 24px;
    padding-right: 24px;
  }

  nav .nav-logo img {
    height: 32px;
  }

  nav .nav-toggle {
    display: flex;
  }

  nav .nav-links {
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    display: flex !important;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 24px 24px;
    background: #00233a;
    border-top: 1px solid rgba(255,255,255,.08);
    box-shadow: 0 24px 44px rgba(0,0,0,.28);
    max-height: calc(100vh - 68px);
    overflow: auto;
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity .2s ease, transform .2s ease, visibility .2s ease;
  }

  body.nav-open nav .nav-links {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  nav .nav-links li {
    border-bottom: 1px solid rgba(255,255,255,.08);
  }

  nav .nav-links li:last-child {
    border-bottom: 0;
    padding-top: 12px;
  }

  nav .nav-links a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    font-size: 12px !important;
    letter-spacing: 1.8px;
    color: rgba(255,255,255,.72) !important;
  }

  nav .nav-links a.active {
    color: #fff !important;
  }

  nav .nav-cta {
    justify-content: center !important;
    padding: 13px 18px !important;
    margin-top: 4px;
  }

  .footer-grid {
    grid-template-columns: 1fr !important;
    gap: 34px !important;
  }

  .footer-bottom {
    align-items: flex-start !important;
    flex-direction: column;
    gap: 14px;
  }

  .container,
  .hero-content,
  .page-hero-content,
  .stats-inner,
  .stats-inner,
  .intro-strip-inner,
  .breadcrumb-inner,
  .resource-nav-inner,
  .cert-strip-inner {
    width: 100% !important;
    max-width: 100% !important;
    padding-left: 24px !important;
    padding-right: 24px !important;
  }

  .section-pad,
  .product-section,
  #xpanel,
  #why,
  #certs,
  .projects-section,
  .section {
    padding-top: 64px !important;
    padding-bottom: 64px !important;
  }

  #hero,
  .hero,
  .page-hero,
  #contact-hero,
  #projects-hero {
    min-height: 520px !important;
    height: auto !important;
    padding-top: 120px !important;
  }

  .hero-headline,
  .hero-h1,
  .page-hero-headline {
    font-size: clamp(42px, 16vw, 64px) !important;
    line-height: .96 !important;
    max-width: 100% !important;
  }

  .hero-sub,
  .page-hero-sub {
    max-width: 100% !important;
  }

  .hero-stamp {
    position: relative !important;
    right: auto !important;
    bottom: auto !important;
    display: inline-block;
    margin: 20px 24px 0;
  }

  .hero-ctas,
  .xpanel-ctas,
  .prod-ctas-row1,
  .footer-cta-btns,
  .cta-btns,
  .page-cta-btns {
    align-items: stretch !important;
    flex-direction: column !important;
  }

  .hero-ctas a,
  .xpanel-ctas a,
  .prod-ctas-row1 a,
  .footer-cta-btns a,
  .cta-btns a,
  .page-cta-btns a,
  .btn-primary,
  .btn-outline,
  .btn-outline-navy,
  .btn-ghost {
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  .stats-inner,
  .intro-strip-inner,
  .brand-grid,
  .products-grid,
  .projects-grid,
  .why-grid,
  .xpanel-grid,
  .prod-layout,
  .overview-grid,
  .spec-grid,
  .finish-grid,
  .cert-grid,
  .proj-grid,
  .proj-full,
  .proj-detail-grid,
  .proj-stat-grid,
  .story-grid,
  .company-intro,
  .platform-grid,
  .eu-grid,
  .team-grid,
  .team-stats,
  .ops-grid,
  .file-grid,
  .file-grid.two,
  .quick-grid,
  .enquiry-type-grid,
  .form-row,
  section .container > div[style*="grid-template-columns"],
  section > div[style*="grid-template-columns"] {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 28px !important;
  }

  .prod-layout.flip {
    direction: ltr !important;
  }

  .brand-visual,
  .xpanel-image,
  .prod-image,
  .overview-image,
  .story-image,
  .team-image,
  .proj-card,
  .project-card,
  .project-card-wide,
  .file-card,
  .quick-card {
    width: 100% !important;
    max-width: 100% !important;
  }

  .brand-visual img,
  .xpanel-image img,
  .prod-image img,
  .overview-image img,
  .story-image img,
  .team-image img,
  .proj-card img,
  .project-card img,
  .project-card-wide img,
  .proj-full img,
  section img[style*="height"] {
    width: 100% !important;
    height: auto !important;
    min-height: 0 !important;
    max-height: none !important;
    aspect-ratio: 4 / 3;
    object-fit: cover !important;
  }

  nav .nav-logo img,
  footer .footer-logo img,
  footer img[alt="ALUCOSUN"] {
    width: auto !important;
    height: 30px !important;
    max-width: 220px !important;
    aspect-ratio: auto !important;
    object-fit: contain !important;
  }

  .brand-visual-stat {
    bottom: 18px !important;
    left: 18px !important;
  }

  .project-info,
  .project-info-wide,
  .proj-info,
  div[style*="align-items:flex-end"][style*="justify-content:space-between"] {
    position: relative !important;
    inset: auto !important;
    transform: none !important;
    display: block !important;
    padding: 22px !important;
  }

  .project-overlay {
    background: linear-gradient(to top,rgba(0,0,0,.72),rgba(0,35,58,.15)) !important;
  }

  .product-nav {
    position: sticky !important;
    top: 68px !important;
    margin-top: 0 !important;
    overflow: visible !important;
  }

  .product-nav-inner {
    padding: 0 12px !important;
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 0 !important;
  }

  .pnav-item {
    white-space: normal !important;
    padding: 13px 12px !important;
    text-align: center;
    line-height: 1.35;
  }

  .page-hero {
    margin-top: 68px !important;
  }

  .resource-nav {
    position: relative !important;
    top: auto !important;
    left: 0 !important;
    right: 0 !important;
    margin-top: 68px !important;
  }

  nav.nav-hidden ~ .resource-nav,
  .resource-nav.nav-top {
    top: auto !important;
  }

  .resource-nav-inner {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    overflow: visible !important;
    gap: 0 !important;
  }

  .resource-nav a {
    white-space: normal !important;
    text-align: center;
    padding: 13px 10px !important;
    line-height: 1.35;
  }

  body.resources-page .hero {
    margin-top: 0 !important;
  }

  .xpanel-product-shot {
    grid-template-columns: 1fr !important;
    gap: 12px !important;
  }

  .xpanel-product-shot img {
    width: 100% !important;
    height: auto !important;
    max-height: 120px !important;
  }

  .spec-row,
  .kv,
  .info-row,
  .eu-point,
  .proj-ref-under .proj-ref-item {
    align-items: flex-start !important;
    flex-direction: column !important;
    gap: 6px !important;
  }

  .spec-key,
  .kv-k {
    width: 100% !important;
  }

  .spec-table,
  .spec-table tbody,
  .spec-table tr,
  .spec-table td {
    display: block !important;
    width: 100% !important;
  }

  .spec-table thead {
    display: none !important;
  }

  .spec-table tr {
    padding: 12px 0 !important;
  }

  .spec-table td {
    padding: 4px 0 !important;
  }

  .spec-table td:first-child {
    width: 100% !important;
    padding-right: 0 !important;
  }

  .certs-row {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 1px !important;
  }

  .cert-item {
    border-right: 0 !important;
    border-bottom: 1px solid var(--border, #d8dade);
    padding: 18px 14px !important;
  }

  .scroll-top {
    right: 16px;
    bottom: 18px;
    width: 42px;
    height: 42px;
  }
}

@media (max-width: 520px) {
  .container {
    padding-left: 24px;
    padding-right: 24px;
  }

  .footer-legal {
    flex-wrap: wrap;
    gap: 12px 20px !important;
  }

  .resource-nav-inner,
  .product-nav-inner,
  .certs-row {
    grid-template-columns: 1fr !important;
  }

  .stat-item {
    border-right: 0 !important;
    border-bottom: 1px solid rgba(255,255,255,.07);
  }

  .section-headline,
  .footer-cta-headline,
  .page-cta-headline,
  .footer-cta-h2 {
    font-size: clamp(30px, 12vw, 44px) !important;
    line-height: 1 !important;
  }
}