/* VOLTA | Responsive, reduced-motion and print adjustments.
 * General breakpoints. Experience-specific rules follow in experience.css.
 */

@media (max-width:1240px) {
  body.mobile-nav-open {
    overflow: hidden;
  }

  .desktop-nav {
    display: none;
  }

  .mobile-nav {
    display: block;
  }

  .header-cta {
    margin-left: auto;
  }

}

@media (max-width:1060px) {
  .desktop-nav {
    display: none;
  }

  .mobile-nav {
    display: block;
  }

  .header-cta {
    margin-left: auto;
  }

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

  .proof-grid>div:nth-child(2) {
    border-right: 0;
  }

  .proof-grid>div:nth-child(-n+2) {
    border-bottom: 1px solid #ffffff1f;
  }

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

  .benefit-grid article:nth-child(2) {
    border-right: 0;
  }

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

  .audience-card-fabricator {
    grid-column: span 2;
    min-height: 330px;
  }

  .footer-grid {
    grid-template-columns: 1.3fr 1fr 1fr;
  }

  .footer-grid>div:last-child {
    grid-column: 2;
  }

  .feature-six-grid,
  .performance-brief-grid {
    grid-template-columns: repeat(2,1fr);
  }

  .feature-six-grid article:nth-child(n),
  .performance-brief-grid article:nth-child(n) {
    padding-inline: 26px;
    border-right: 1px solid var(--line);
  }

  .feature-six-grid article:nth-child(2n),
  .performance-brief-grid article:nth-child(2n) {
    border-right: 0;
  }

  .performance-brief-grid article:nth-child(n) {
    border-color: rgba(255,255,255,.16);
  }

  .performance-question-grid {
    grid-template-columns: 1fr;
  }

  .proof-grid > div {
    padding-inline: 0 24px;
  }

  .proof-grid > div:nth-child(2n) {
    padding-left: 24px;
  }

  .proof-note {
    padding-top: 20px;
  }

}

@media (max-width:800px) {
  .resource-advisory {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .shell {
    width: calc(100% - 40px);
  }

  .header-cta {
    display: none;
  }

  .home-hero-shade {
    background: linear-gradient(0deg,rgba(3,8,10,.92),rgba(3,8,10,.57) 63%,rgba(3,8,10,.14));
  }

  .home-hero-image {
    object-position: 57% center;
  }

  .audience-links {
    gap: 16px;
    margin-top: 2rem;
    font-size: .79rem;
  }

  .editorial-grid,
  .weight-grid,
  .handle-grid,
  .mor-grid,
  .cta-grid,
  .split-heading,
  .faq-grid,
  .page-hero-grid,
  .content-grid,
  .control-feature,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .editorial-grid {
    gap: 3rem;
  }

  .image-frame-tall,
  .handle-image,
  .control-feature .image-frame {
    min-height: 450px;
  }

  .benefit-grid {
    margin-top: 3rem;
  }

  .product-stage {
    min-height: 310px;
    padding-bottom: 45px;
  }

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

  .steps-grid article,
  .steps-grid article:first-child {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    padding: 2rem 0;
  }

  .steps-grid article:last-child {
    border-bottom: 0;
  }

  .steps-grid strong {
    margin-bottom: 1.6rem;
  }

  .audience-grid,
  .project-grid,
  .project-grid-all,
  .comparison-grid,
  .control-options {
    grid-template-columns: 1fr;
  }

  .audience-card,
  .audience-card-fabricator {
    grid-column: auto;
    min-height: 390px;
  }

  .project-grid-home .project-card:nth-child(n+3) {
    display: none;
  }

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

  .resource-row {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .download-links {
    justify-content: flex-start;
    margin-top: 8px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 3rem 1rem;
  }

  .footer-brand {
    grid-column: span 2;
  }

  .footer-grid>div:last-child {
    grid-column: auto;
  }

  .footer-bottom {
    flex-direction: column;
  }

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

  .video-feature-grid,
  .video-feature-grid-reverse,
  .making-grid {
    grid-template-columns: 1fr;
  }

  .experience-track,
  .door-choice-grid {
    grid-template-columns: 1fr 1fr;
  }

  .experience-track article:nth-child(2) {
    border-right: 0;
  }

  .experience-track article:nth-child(-n+2) {
    border-bottom: 1px solid var(--line);
  }

  .project-filters {
    align-items: stretch;
    flex-direction: column;
  }

  .filter-select {
    min-width: 0;
  }

  :root {
    --header-height: 70px;
    --brand-logo-width: 126px;
  }

  .section {
    padding-block: 4rem;
  }

  .section-join {
    padding-top: 0;
  }

  .header-inner {
    gap: 16px;
  }


  .home-hero {
    min-height: calc(100svh - var(--header-height));
  }

  .home-hero-content {
    padding-block: 6rem 2.6rem;
  }

  .home-hero h1 {
    font-size: clamp(3.4rem,11vw,6rem);
    line-height: .98;
  }

  .hero-copy {
    max-width: 570px;
  }

  .video-feature-grid,
   .video-feature-grid-reverse,
   .featured-project-grid,
   .resource-intro,
   .integration-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .video-feature-copy h2 {
    max-width: 640px;
  }

  .image-frame-tall,
   .handle-image,
   .control-feature .image-frame {
    min-height: 430px;
  }

  .featured-project-image {
    min-height: 420px;
  }

  .product-stage img {
    width: 100%;
    max-width: 100%;
  }

  .product-caption {
    right: 0;
  }

  .audience-card,
   .audience-card-fabricator {
    min-height: 320px;
  }

  .audience-card h3 {
    max-width: 500px;
  }

  .page-hero {
    padding-bottom: 4rem;
  }

  .page-hero h1 {
    font-size: clamp(3rem,9.5vw,5.5rem);
  }

  .page-hero-grid {
    gap: 2rem;
  }

  .page-hero-aside {
    padding-top: 22px;
  }

  .breadcrumb-wrap {
    margin-bottom: 2.5rem;
  }

  .project-grid-all {
    gap: 20px;
  }

  .project-empty {
    padding: 2rem 1rem;
  }

  .resource-meta {
    max-width: 600px;
  }

  .support-notice,
   #troubleshooting .faq-list {
    grid-column: auto;
  }

  .media-panorama {
    width: 100%;
    aspect-ratio: 4/3;
  }

  .media-panorama img {
    object-position: 42% center;
  }

  .contact-card {
    padding: 24px;
  }

}

@media (max-width:560px) {
  .shell {
    width: calc(100% - 32px);
  }

  .site-header .shell {
    width: calc(100% - 28px);
  }

  .section {
    padding-block: 64px;
  }

  .home-hero-content {
    padding-bottom: 28px;
  }

  .hero-signature {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .footer-bottom {
    gap: 10px;
    line-height: 1.5;
  }

  h1 {
    font-size: clamp(3.1rem,17vw,5rem);
  }

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

  .proof-grid>div,
  .proof-grid>div:first-child {
    border-bottom: 1px solid #ffffff1f;
    border-right: 0;
    padding: 20px 0;
  }

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

  .benefit-grid article,
  .benefit-grid article:not(:first-child) {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    padding: 24px 0;
  }

  .benefit-grid span {
    margin-bottom: 1.2rem;
  }

  .button {
    width: 100%;
  }

  .button-row {
    flex-direction: column;
  }

  .image-frame-tall,
  .handle-image {
    min-height: 350px;
  }

  .audience-card {
    min-height: 360px;
    padding: 28px;
  }

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

  .footer-brand,
  .footer-grid>div:last-child {
    grid-column: auto;
  }


  .feature-six-grid,
  .performance-brief-grid,
  .use-case-grid,
  .homeowner-question-grid,
  .experience-track,
  .door-choice-grid {
    grid-template-columns: 1fr;
  }

  .feature-six-grid article:nth-child(n),
  .performance-brief-grid article:nth-child(n) {
    min-height: 0;
    padding: 26px 0;
    border-right: 0;
  }

  .feature-six-grid span,
  .performance-brief-grid span,
  .door-choice-grid span {
    margin-bottom: 2rem;
  }

  .experience-track article,
  .experience-track article:first-child {
    padding: 2rem 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .play-button {
    width: 62px;
    height: 62px;
  }

  .hero-copy {
    margin-top: 1.6rem;
    font-size: 1.06rem;
  }

  .audience-links {
    margin-top: 2.5rem;
    gap: 12px 20px;
  }

  .proof-grid>div {
    padding-block: 22px;
  }

  .faq-list summary,
  .faq-list details p {
    padding-left: 0;
  }

  .section {
    padding-block: 3.6rem;
  }

  .section-join {
    padding-top: 0;
  }

  .home-hero h1 {
    font-size: clamp(3.35rem,13.7vw,4.75rem);
  }

  .home-hero-content {
    padding-top: 4.5rem;
  }

  .proof-grid > div,
   .proof-grid > div:first-child {
    padding: 20px 12px 20px 0;
    border-bottom: 1px solid rgba(255,255,255,.12);
  }

  .proof-grid > div:nth-child(2n) {
    padding-left: 14px;
  }

  .proof-grid strong {
    font-size: 1rem;
  }

  .proof-grid span {
    font-size: .75rem;
  }

  .proof-note {
    font-size: .75rem;
  }

  .image-frame-tall,
   .handle-image,
   .control-feature .image-frame {
    min-height: 350px;
  }

  .featured-project-image {
    min-height: 340px;
  }

  .image-label {
    left: 14px;
    bottom: 14px;
    max-width: calc(100% - 28px);
  }

  .product-stage {
    min-height: 230px;
  }

  .product-stage:before {
    max-width: 100%;
  }

  .motion-sequence {
    gap: 12px 18px;
    font-size: .8rem;
  }

  .audience-card,
   .audience-card-fabricator {
    min-height: 300px;
    padding: 26px;
  }

  .audience-card h3 {
    font-size: 1.95rem;
  }

  .page-hero h1 {
    font-size: clamp(2.8rem,12.2vw,4rem);
  }

  .page-hero {
    padding-bottom: 3.5rem;
  }

  .breadcrumbs {
    font-size: .75rem;
  }

  .filter-buttons {
    gap: 7px;
  }

  .filter-buttons button {
    padding-inline: 12px;
    font-size: .8rem;
  }

  .form-heading {
    font-size: 2.2rem;
  }

}

/* Editorial compositions: recomposed for touch and narrow screens. */
@media (max-width:1060px) {
  .engineering-intro { gap: 5vw; }
  .project-editorial .featured-project-grid { grid-template-columns: 1.1fr .9fr; }
  .project-editorial .featured-project-image { min-height: 600px; }
  .audience-editorial .audience-grid { grid-template-columns: repeat(3, 1fr); }
  .audience-editorial .audience-card-fabricator { grid-column: auto; }
  .audience-editorial .audience-card { padding-inline: 24px; }
  .architect-cover img { height: 510px; }
}

@media (max-width:800px) {
  .architectural-hero { min-height: 780px; }
  .architectural-hero .home-hero-content { padding-block: 100px 28px; }
  .architectural-hero h1 { font-size: clamp(3.65rem, 10vw, 5.5rem); }
  .architectural-hero .home-hero-image { object-position: 28% center; }
  .architectural-hero .home-hero-shade {
    background: linear-gradient(90deg, rgba(4, 10, 11, .65), rgba(4, 10, 11, .23)),
      linear-gradient(0deg, rgba(4, 10, 11, .87), rgba(4, 10, 11, .1) 85%);
  }
  .architecture-story .editorial-grid,
  .engineering-intro,
  .touch-story .handle-grid,
  .project-editorial .featured-project-grid,
  .architect-editorial .page-hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .architecture-story h2 { font-size: clamp(3.5rem, 9vw, 5rem); }
  .architecture-story .architecture-image { min-height: 480px; }
  .architecture-story .lede { max-width: 560px; }
  .editorial-caption { align-items: start; flex-direction: column; gap: 8px; padding-bottom: 22px; }
  .engineering-reveal { padding-bottom: 45px; }
  .engineering-intro h2 { font-size: clamp(3rem, 7.8vw, 4.8rem); }
  .engineering-copy { max-width: 570px; }
  .roller-explorer { margin-top: 38px; }
  .engineering-reveal .engineering-object { margin-top: 24px; padding: 20px 0 40px; }
  .engineering-object img { width: 100%; height: 360px; }
  .engineering-object .product-caption { bottom: 16px; }
  .engineering-details { gap: 16px; }
  .engineering-details > div { gap: 12px; }
  .engineering-details p { font-size: .85rem; }
  .touch-story .handle-grid { gap: 38px; }
  .touch-story .handle-image { min-height: 460px; }
  .touch-story h2 { font-size: clamp(3.1rem, 7.8vw, 4.5rem); }
  .project-editorial { padding-top: 65px; }
  .project-editorial .featured-project-image { min-height: 540px; }
  .project-editorial .featured-project-copy { padding: 0; }
  .project-editorial h2 { font-size: clamp(3rem, 7.8vw, 4.4rem); }
  .audience-editorial .audience-grid { grid-template-columns: 1fr; }
  .audience-editorial .audience-card,
  .audience-editorial .audience-card:first-child { min-height: 0; padding: 28px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .audience-editorial .audience-card:last-child { border-bottom: 0; }
  .audience-editorial .audience-card h3 { margin-top: 26px; max-width: 500px; }
  .architect-editorial { padding-bottom: 50px; }
  .architect-editorial h1 { font-size: clamp(3.3rem, 9.5vw, 5rem); }
  .architect-cover img { height: 540px; }
  .architect-editorial .lede { max-width: 610px; }
}

@media (max-width:560px) {
  .architectural-hero { min-height: 730px; }
  .architectural-hero .home-hero-content { padding-top: 76px; }
  .architectural-hero .eyebrow { font-size: .66rem; letter-spacing: .15em; margin-bottom: 30px; }
  .architectural-hero h1 { font-size: clamp(2.9rem, 12.6vw, 4.4rem); line-height: 1.04; letter-spacing: -.06em; }
  .architectural-hero h1 em { font-size: 1.22em; }
  .architectural-hero .hero-copy { margin-top: 28px; max-width: 310px; font-size: .99rem; }
  .architectural-hero .button-row { gap: 10px; margin-block: 28px 52px; }
  .architectural-hero .button-row .button { min-height: 48px; }
  .hero-signature { font-size: .68rem; gap: 16px; align-items: start; }
  .hero-signature > span { max-width: 95px; }
  .hero-signature a { gap: 16px; padding: 0; }
  .architecture-story { padding-top: 70px; }
  .architecture-story .architecture-image { min-height: 400px; }
  .architecture-story .editorial-grid { gap: 34px; }
  .architecture-story .benefit-grid article { padding-top: 26px; }
  .engineering-intro h2 { font-size: clamp(2.65rem, 10.9vw, 3.8rem); }
  .engineering-details { grid-template-columns: 1fr; gap: 18px; }
  .engineering-details > div { gap: 18px; }
  .engineering-details p { font-size: .93rem; }
  .engineering-details small { margin-top: 1px; }
  .object-label { font-size: .58rem; }
  .engineering-object img { height: 225px; }
  .engineering-object .product-caption { font-size: .62rem; }
  .touch-story .handle-image { min-height: 410px; }
  .touch-story h2 { font-size: clamp(2.85rem, 11vw, 3.5rem); }
  .project-editorial .featured-project-image { min-height: 470px; }
  .project-editorial h2 { font-size: clamp(2.75rem, 10.6vw, 3.5rem); }
  [data-page=""] #see-volta-move h2 { font-size: clamp(2.75rem, 10.6vw, 3.5rem); }
  .architect-editorial h1 { font-size: clamp(2.8rem, 11.5vw, 3.9rem); }
  .architect-cover img { height: 450px; }
  .architect-cover figcaption { font-size: .66rem; gap: 14px; }
  .architect-editorial + #design-freedom h2 { font-size: 3.1rem; }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  :before,
  :after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }

  .home-hero-image,
  .product-stage img {
    transition: none;
    animation: none !important;
    transform: none;
  }

  .js .scroll-pop {
    opacity: 1;
    transform: none;
  }

  *,
   *::before,
   *::after {
    animation: none !important;
    transition: none !important;
  }

}

@media print {
  .site-header,
   .site-footer,
   .cta-panel,
   .project-filters,
   .video-frame,
   .button-row,
   .contact-form,
   .skip-link {
    display: none !important;
  }

  body,
   .section,
   .page-hero,
   .section-ink {
    background: #fff !important;
    color: #111 !important;
  }

  .shell {
    width: 100%;
  }

  .section,
   .page-hero {
    padding-block: 24px;
  }

  h1 {
    font-size: 34pt !important;
  }

  h2 {
    font-size: 22pt !important;
  }

  a {
    color: #111;
  }

  .resource-row,
   .project-card {
    break-inside: avoid;
  }

}