.mobile-home {
  display: none;
}

@media (max-width: 640px) {
  :root {
    --mh-paper: #f6f4ef;
    --mh-paper-deep: #ebe7de;
    --mh-ink: #1f2933;
    --mh-muted: #65717b;
    --mh-line: rgba(31, 41, 51, 0.17);
    --mh-orange: #e8742f;
    --mh-orange-dark: #c95d1c;
    --mh-white: #ffffff;
    --mh-header-height: 64px;
  }

  .mobile-home,
  .mobile-home *,
  .mobile-home *::before,
  .mobile-home *::after {
    box-sizing: border-box;
  }

  html {
    scroll-behavior: smooth;
  }

  body.main-page {
    min-width: 0;
    overflow-x: hidden;
    overflow-y: auto;
    padding: 0;
    background: var(--mh-paper);
    color: var(--mh-ink);
  }

  body.main-page.is-mobile-menu-open {
    overflow: hidden;
  }

  .main-breathing-wall,
  .main-scene-stage,
  .main-page-dots,
  .main-scroll-cue,
  .main-page > .page {
    display: none !important;
  }

  .mobile-home {
    position: relative;
    z-index: 200;
    display: block;
    width: 100%;
    min-height: 100svh;
    overflow: hidden;
    background:
      linear-gradient(90deg, transparent calc(100% - 24px), rgba(232, 116, 47, 0.12) calc(100% - 24px), rgba(232, 116, 47, 0.12) calc(100% - 23px), transparent calc(100% - 23px)),
      var(--mh-paper);
    font-family: "FuturaCyrillicBold", "Trebuchet MS", sans-serif;
  }

  .mobile-home::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    opacity: 0.58;
    background-image:
      linear-gradient(rgba(31, 41, 51, 0.035) 1px, transparent 1px),
      linear-gradient(90deg, rgba(31, 41, 51, 0.035) 1px, transparent 1px);
    background-size: 24px 24px;
    mask-image: linear-gradient(to bottom, #000 0, transparent 72%);
  }

  .mh-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 260;
    display: flex;
    align-items: center;
    gap: 8px;
    height: calc(var(--mh-header-height) + env(safe-area-inset-top));
    min-height: 0;
    padding: env(safe-area-inset-top) 16px 0;
    border-bottom: 1px solid rgba(31, 41, 51, 0.11);
    background: rgba(246, 244, 239, 0.9);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
  }

  .mh-logo-link {
    display: inline-flex;
    align-items: center;
    flex: 0 1 auto;
    width: 108px;
    height: 36px;
    min-width: 108px;
    margin-right: auto;
    overflow: hidden;
    font-size: 0;
  }

  .mh-logo {
    display: block;
    width: 108px;
    height: 36px;
    max-width: none;
    aspect-ratio: 794 / 258;
    object-fit: contain;
    object-position: left center;
  }

  .mh-header-quote,
  .mh-menu-button {
    min-height: 38px;
    border-radius: 999px;
    font: inherit;
    font-size: 10px;
    line-height: 1;
    letter-spacing: 0.13em;
    text-transform: uppercase;
  }

  .mh-header-quote {
    position: absolute;
    top: calc(env(safe-area-inset-top) + 13px);
    right: 60px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    padding: 0 12px;
    border: 1px solid var(--mh-orange);
    background: var(--mh-orange);
    color: var(--mh-white);
    text-decoration: none;
  }

  .mh-menu-button {
    position: absolute;
    top: calc(env(safe-area-inset-top) + 13px);
    right: 14px;
    width: 38px;
    flex: 0 0 38px;
    padding: 0;
    border: 1px solid var(--mh-line);
    background: rgba(255, 255, 255, 0.48);
    color: var(--mh-ink);
  }

  .mh-menu-button span,
  .mh-menu-button::before,
  .mh-menu-button::after {
    position: absolute;
    left: 50%;
    width: 16px;
    height: 1px;
    background: currentColor;
    transform: translateX(-50%);
    transition: transform 220ms ease, opacity 180ms ease, top 220ms ease;
  }

  .mh-menu-button span {
    top: 50%;
  }

  .mh-menu-button::before,
  .mh-menu-button::after {
    content: "";
  }

  .mh-menu-button::before {
    top: calc(50% - 5px);
  }

  .mh-menu-button::after {
    top: calc(50% + 5px);
  }

  .mh-menu-button[aria-expanded="true"] span {
    opacity: 0;
  }

  .mh-menu-button[aria-expanded="true"]::before {
    top: 50%;
    transform: translateX(-50%) rotate(45deg);
  }

  .mh-menu-button[aria-expanded="true"]::after {
    top: 50%;
    transform: translateX(-50%) rotate(-45deg);
  }

  .mh-menu-sheet {
    position: fixed;
    inset: 0;
    z-index: 250;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: calc(94px + env(safe-area-inset-top)) 20px calc(26px + env(safe-area-inset-bottom));
    background: var(--mh-ink);
    color: var(--mh-white);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-16px);
    transition: opacity 220ms ease, transform 320ms cubic-bezier(0.22, 1, 0.36, 1), visibility 0s linear 320ms;
  }

  .mh-menu-sheet.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    transition-delay: 0s;
  }

  .mh-menu-label,
  .mh-kicker,
  .mh-section-index,
  .mh-card-index,
  .mh-part-process,
  .mh-proof-label,
  .mh-footer-kicker {
    margin: 0;
    color: var(--mh-orange);
    font-size: 10px;
    line-height: 1.25;
    letter-spacing: 0.18em;
    text-transform: uppercase;
  }

  .mh-menu-nav {
    display: grid;
    margin-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.16);
  }

  .mh-menu-nav a {
    display: grid;
    grid-template-columns: 34px 1fr auto;
    align-items: center;
    min-height: 68px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.16);
    color: var(--mh-white);
    text-decoration: none;
    font-size: clamp(24px, 8vw, 34px);
    line-height: 1;
    letter-spacing: -0.02em;
    text-transform: uppercase;
  }

  .mh-menu-number,
  .mh-menu-arrow {
    color: var(--mh-orange);
    font-size: 10px;
    letter-spacing: 0.08em;
  }

  .mh-menu-arrow {
    font-size: 18px;
  }

  .mh-menu-contact {
    margin-top: auto;
    padding-top: 24px;
    color: rgba(255, 255, 255, 0.64);
    font-family: "Trebuchet MS", sans-serif;
    font-size: 13px;
    line-height: 1.5;
  }

  .mh-main {
    display: block;
    padding-top: calc(var(--mh-header-height) + env(safe-area-inset-top));
  }

  .mh-hero {
    position: relative;
    min-height: auto;
    padding: 26px 18px 30px;
    display: flex;
    flex-direction: column;
  }

  .mh-hero::after {
    content: "20";
    position: absolute;
    right: -8px;
    top: 34px;
    z-index: 0;
    color: rgba(232, 116, 47, 0.075);
    font-size: min(48vw, 192px);
    line-height: 0.72;
    letter-spacing: -0.09em;
  }

  .mh-hero-copy {
    position: relative;
    z-index: 2;
  }

  .mh-kicker {
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .mh-kicker::before {
    content: "";
    width: 28px;
    height: 1px;
    background: currentColor;
  }

  .mh-title {
    max-width: 100%;
    margin: 17px 0 0;
    color: var(--mh-ink);
    font-size: clamp(40px, 11.2vw, 48px);
    line-height: 0.92;
    letter-spacing: -0.045em;
    text-transform: uppercase;
  }

  .mh-title-accent {
    display: block;
    color: var(--mh-orange);
  }

  .mh-hero-lead {
    max-width: 330px;
    margin: 18px 0 0;
    color: var(--mh-muted);
    font-family: "Trebuchet MS", sans-serif;
    font-size: 15px;
    line-height: 1.5;
  }

  .mh-visual {
    position: relative;
    z-index: 1;
    width: 100%;
    min-height: 218px;
    margin: 28px 0 0;
    overflow: hidden;
    border-top: 1px solid var(--mh-line);
    border-bottom: 1px solid var(--mh-line);
    background:
      radial-gradient(circle at 50% 48%, rgba(255, 255, 255, 0.92), rgba(235, 231, 222, 0.36) 54%, transparent 76%);
  }

  .mh-visual::before,
  .mh-visual::after {
    position: absolute;
    z-index: 2;
    pointer-events: none;
    color: var(--mh-muted);
    font-size: 8px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
  }

  .mh-visual::before {
    content: "ROTATIONAL INSPECTION / 01";
    top: 12px;
    left: 0;
  }

  .mh-visual::after {
    content: "TOLERANCE: CONTROLLED";
    right: 0;
    bottom: 12px;
  }

  .mh-three-stage {
    position: absolute;
    inset: 24px 8px 20px;
  }

  .mh-three-stage canvas {
    display: block;
    width: 100%;
    height: 100%;
  }

  .mh-scroll-mark {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 12px;
    color: var(--mh-muted);
    font-size: 9px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
  }

  .mh-scroll-mark::after {
    content: "";
    width: 46%;
    height: 1px;
    background: linear-gradient(to right, var(--mh-orange) 0 34%, var(--mh-line) 34% 100%);
  }

  .mh-section {
    padding: 76px 20px;
    border-top: 1px solid var(--mh-line);
  }

  .mh-section-heading {
    max-width: 330px;
    margin: 12px 0 0;
    color: var(--mh-ink);
    font-size: clamp(34px, 10.5vw, 48px);
    line-height: 0.96;
    letter-spacing: -0.035em;
    text-transform: uppercase;
  }

  .mh-section-intro {
    max-width: 340px;
    margin: 18px 0 0;
    color: var(--mh-muted);
    font-family: "Trebuchet MS", sans-serif;
    font-size: 15px;
    line-height: 1.55;
  }

  .mh-services-track,
  .mh-parts-track {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: min(82vw, 322px);
    gap: 12px;
    width: calc(100% + 40px);
    margin: 30px -20px 0;
    padding: 0 20px 18px;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scroll-snap-type: inline mandatory;
    scrollbar-width: none;
  }

  .mh-services-track::-webkit-scrollbar,
  .mh-parts-track::-webkit-scrollbar {
    display: none;
  }

  .mh-service-card {
    position: relative;
    min-height: 390px;
    padding: 18px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    scroll-snap-align: center;
    border: 1px solid var(--mh-line);
    background: rgba(255, 255, 255, 0.52);
    color: var(--mh-ink);
    text-decoration: none;
  }

  .mh-service-card:first-child {
    scroll-snap-align: start;
  }

  .mh-service-card::after {
    content: "VIEW +";
    position: absolute;
    right: 18px;
    bottom: 18px;
    color: var(--mh-orange);
    font-size: 9px;
    letter-spacing: 0.14em;
  }

  .mh-card-topline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 22px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--mh-line);
  }

  .mh-card-tag {
    color: var(--mh-muted);
    font-size: 9px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
  }

  .mh-service-image {
    width: 100%;
    height: 196px;
    margin: 12px 0 8px;
    object-fit: contain;
    filter: drop-shadow(0 18px 18px rgba(31, 41, 51, 0.13));
  }

  .mh-service-name {
    max-width: 80%;
    margin: auto 0 0;
    font-size: 29px;
    line-height: 0.98;
    letter-spacing: -0.025em;
    text-transform: uppercase;
  }

  .mh-track-note {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 8px 0 0;
    color: var(--mh-muted);
    font-size: 9px;
    letter-spacing: 0.13em;
    text-transform: uppercase;
  }

  .mh-track-note::before {
    content: "\2194";
    color: var(--mh-orange);
    font-size: 15px;
  }

  .mh-proof {
    padding-top: 70px;
    padding-bottom: 70px;
    background: var(--mh-ink);
    color: var(--mh-white);
  }

  .mh-proof .mh-section-heading {
    color: var(--mh-white);
  }

  .mh-proof-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 34px;
    border-top: 1px solid rgba(255, 255, 255, 0.16);
    border-left: 1px solid rgba(255, 255, 255, 0.16);
  }

  .mh-proof-item {
    min-height: 142px;
    padding: 18px 14px;
    border-right: 1px solid rgba(255, 255, 255, 0.16);
    border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  }

  .mh-proof-value {
    display: block;
    margin-top: 18px;
    color: var(--mh-white);
    font-size: clamp(34px, 11vw, 48px);
    line-height: 1;
    letter-spacing: -0.045em;
  }

  .mh-proof-value--word {
    color: var(--mh-orange);
    font-size: clamp(22px, 7vw, 30px);
    line-height: 1.1;
    letter-spacing: -0.02em;
    text-transform: uppercase;
  }

  .mh-part-card {
    min-height: 365px;
    padding: 16px;
    scroll-snap-align: center;
    border: 1px solid var(--mh-line);
    background: var(--mh-paper-deep);
  }

  .mh-part-card:first-child {
    scroll-snap-align: start;
  }

  .mh-part-image-wrap {
    height: 230px;
    display: grid;
    place-items: center;
    background:
      linear-gradient(rgba(31, 41, 51, 0.045) 1px, transparent 1px),
      linear-gradient(90deg, rgba(31, 41, 51, 0.045) 1px, transparent 1px),
      rgba(255, 255, 255, 0.42);
    background-size: 18px 18px;
  }

  .mh-part-image {
    width: 88%;
    height: 88%;
    object-fit: contain;
    filter: drop-shadow(0 20px 20px rgba(31, 41, 51, 0.16));
  }

  .mh-part-meta {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 12px;
    align-items: end;
    padding-top: 18px;
  }

  .mh-part-name {
    margin: 8px 0 0;
    font-size: 24px;
    line-height: 1;
    text-transform: uppercase;
  }

  .mh-part-spec {
    margin: 0;
    color: var(--mh-muted);
    font-family: "Trebuchet MS", sans-serif;
    font-size: 11px;
    line-height: 1.5;
    text-align: right;
  }

  .mh-process-list {
    display: grid;
    margin-top: 32px;
    border-top: 1px solid var(--mh-line);
  }

  .mh-process-item {
    display: grid;
    grid-template-columns: 42px 1fr;
    gap: 14px;
    padding: 22px 0;
    border-bottom: 1px solid var(--mh-line);
  }

  .mh-process-number {
    color: var(--mh-orange);
    font-size: 11px;
    letter-spacing: 0.14em;
  }

  .mh-process-title {
    margin: 0;
    font-size: 21px;
    line-height: 1;
    text-transform: uppercase;
  }

  .mh-process-copy {
    margin: 9px 0 0;
    color: var(--mh-muted);
    font-family: "Trebuchet MS", sans-serif;
    font-size: 13px;
    line-height: 1.55;
  }

  .mh-final {
    position: relative;
    padding: 74px 20px calc(108px + env(safe-area-inset-bottom));
    overflow: hidden;
    background: var(--mh-orange);
    color: var(--mh-white);
  }

  .mh-final::after {
    content: "+";
    position: absolute;
    right: -18px;
    bottom: -58px;
    color: rgba(255, 255, 255, 0.12);
    font-size: 250px;
    line-height: 1;
  }

  .mh-final .mh-footer-kicker {
    color: var(--mh-white);
  }

  .mh-final-title {
    position: relative;
    z-index: 1;
    max-width: 330px;
    margin: 16px 0 0;
    color: var(--mh-white);
    font-size: clamp(42px, 13vw, 62px);
    line-height: 0.92;
    letter-spacing: -0.045em;
    text-transform: uppercase;
  }

  .mh-final-copy {
    position: relative;
    z-index: 1;
    max-width: 320px;
    margin: 20px 0 26px;
    color: rgba(255, 255, 255, 0.84);
    font-family: "Trebuchet MS", sans-serif;
    font-size: 14px;
    line-height: 1.55;
  }

  .mh-final-button {
    position: relative;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: 34px;
    min-height: 54px;
    padding: 0 20px;
    border: 1px solid var(--mh-white);
    background: var(--mh-white);
    color: var(--mh-ink);
    text-decoration: none;
    font-size: 12px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
  }

  .mh-final-button::after {
    content: "\2192";
    color: var(--mh-orange);
    font-size: 18px;
  }

  .mh-bottom-bar {
    position: fixed;
    left: 12px;
    right: 12px;
    bottom: max(12px, env(safe-area-inset-bottom));
    z-index: 240;
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    min-height: 50px;
    overflow: hidden;
    border: 1px solid rgba(31, 41, 51, 0.15);
    border-radius: 999px;
    box-shadow: 0 16px 38px rgba(31, 41, 51, 0.2);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(calc(100% + 22px));
    transition:
      opacity 180ms ease,
      transform 280ms cubic-bezier(0.22, 1, 0.36, 1),
      visibility 0s linear 280ms;
  }

  .mh-bottom-bar.is-visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
    transition-delay: 0s;
  }

  .mh-bottom-bar a {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--mh-ink);
    background: var(--mh-white);
    text-decoration: none;
    font-size: 10px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
  }

  .mh-bottom-bar a:last-child {
    background: var(--mh-orange);
    color: var(--mh-white);
  }

  #chtl-chat-icon-container {
    right: 12px !important;
    bottom: calc(14px + env(safe-area-inset-bottom)) !important;
    transform: scale(0.72);
    transform-origin: right bottom;
  }

  body.is-mobile-action-visible #chtl-chat-icon-container {
    bottom: calc(74px + env(safe-area-inset-bottom)) !important;
  }

  #chtl-chat-iframe {
    right: 12px !important;
    bottom: calc(142px + env(safe-area-inset-bottom)) !important;
    width: calc(100vw - 24px) !important;
    max-width: 390px !important;
  }

  body.main-page.is-mobile-menu-open #chtl-chat-icon-container,
  body.main-page.is-mobile-menu-open #chtl-chat-iframe {
    visibility: hidden !important;
    opacity: 0 !important;
    pointer-events: none !important;
  }

  .mobile-home.is-enhanced .mh-reveal {
    opacity: 0;
    transform: translateY(22px);
    transition:
      opacity 560ms cubic-bezier(0.22, 1, 0.36, 1),
      transform 680ms cubic-bezier(0.22, 1, 0.36, 1);
  }

  .mobile-home.is-enhanced .mh-reveal.is-visible {
    opacity: 1;
    transform: none;
  }

  .mh-header a:focus-visible,
  .mh-menu-button:focus-visible,
  .mh-menu-nav a:focus-visible,
  .mh-service-card:focus-visible,
  .mh-final-button:focus-visible,
  .mh-bottom-bar a:focus-visible {
    outline: 2px solid var(--mh-orange);
    outline-offset: 3px;
  }

  .mh-menu-nav a:focus-visible {
    outline-color: var(--mh-white);
    outline-offset: -3px;
  }

  @media (max-width: 359px) {
    .mh-header {
      padding-right: 12px;
      padding-left: 12px;
    }

    .mh-logo-link,
    .mh-logo {
      width: 96px;
    }

    .mh-logo-link {
      min-width: 96px;
    }

    .mh-header-quote {
      right: 56px;
      padding-right: 10px;
      padding-left: 10px;
      font-size: 9px;
    }

    .mh-menu-button {
      right: 12px;
    }
  }

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

    .mobile-home.is-enhanced .mh-reveal,
    .mobile-home.is-enhanced .mh-reveal.is-visible,
    .mh-menu-sheet {
      opacity: 1;
      transform: none;
      transition: none;
    }

    .mh-menu-sheet:not(.is-open) {
      opacity: 0;
    }
  }
}