/* LP-only presentation for the copied roof assembly. */
#roof-construction {
  --ra-ink: #10233a;
  --ra-muted: #68717a;
  --ra-paper: #f6f4ef;
  --ra-line: #d9d7d0;
  --ra-accent: #b78a40;
  --ra-header-height: 76px;
  position: relative;
  isolation: isolate;
  margin: 0;
  padding: 0;
  color: var(--ra-ink);
  background: var(--ra-paper);
  font-family: var(--sans, Arial, sans-serif);
  -webkit-font-smoothing: antialiased;
}
#roof-construction *,
#roof-construction *::before,
#roof-construction *::after { box-sizing: border-box; }
#roof-construction :is(h2,h3,p,figure) { margin: 0; }
#roof-construction :is(button,a) { -webkit-tap-highlight-color: transparent; }
#roof-construction button {
  appearance: none;
  border-radius: 0;
  font: inherit;
  color: inherit;
  box-shadow: none;
  cursor: pointer;
}
#roof-construction button:disabled { cursor: default; }
#roof-construction a { color: inherit; text-decoration: none; }
#roof-construction [hidden] { display: none !important; }
#roof-construction :is(button,a):focus-visible { outline: 2px solid var(--ra-accent); outline-offset: 4px; }
#roof-construction .ra-wrap { width: min(calc(100% - 96px), 1180px); margin-inline: auto; }
#roof-construction .ra-intro {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 48px;
  padding-block: 100px 64px;
}
#roof-construction .ra-intro .section-index {
  color: var(--ra-accent);
  font-size: 11px;
  font-weight: 600;
  line-height: 1.6;
  letter-spacing: .18em;
}
#roof-construction .ra-intro h2 {
  margin-top: 20px;
  font-family: var(--serif, Georgia, serif);
  font-size: var(--section-title, clamp(42px, 4.7vw, 66px));
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: -.025em;
}
#roof-construction .ra-intro h2 span { color: var(--ra-accent); }
#roof-construction .ra-intro-aside { padding-bottom: 7px; color: #58636c; }
#roof-construction .ra-intro-aside a {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  min-height: 44px;
  padding: 10px 0;
  color: var(--ra-ink);
  text-align: center;
}
#roof-construction .ra-intro-scroll-label {
  font-size: 14px;
  line-height: 1.9;
  letter-spacing: .055em;
  transition: color .25s ease;
}
#roof-construction .ra-intro-scroll-mark {
  position: relative;
  display: block;
  width: 20px;
  height: 64px;
  flex: none;
  overflow: hidden;
}
#roof-construction .ra-intro-scroll-mark::before {
  position: absolute;
  inset: 0 auto 0 calc(50% - .5px);
  width: 1px;
  background: linear-gradient(to bottom, transparent, #b78a403d 18%, #b78a403d 82%, transparent);
  content: '';
}
#roof-construction .ra-intro-scroll-trail {
  position: absolute;
  top: 0;
  left: calc(50% - .5px);
  width: 1px;
  height: 24px;
  background: linear-gradient(to bottom, transparent, var(--ra-accent));
  transform: translateY(20px);
  opacity: .8;
  animation: lp-roof-scroll-flow 3.2s cubic-bezier(.4, 0, .25, 1) infinite;
}
#roof-construction .ra-intro-scroll-trail::after {
  position: absolute;
  bottom: 0;
  left: -1px;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--ra-accent);
  content: '';
}
#roof-construction .ra-intro-aside a:hover .ra-intro-scroll-label { color: var(--ra-accent); }
@keyframes lp-roof-scroll-flow {
  0%, 12% { transform: translateY(-26px); opacity: 0; }
  28% { opacity: 1; }
  65% { opacity: 1; }
  86%, 100% { transform: translateY(66px); opacity: 0; }
}
#roof-construction .ra-scroll-track { position: relative; border-block: 1px solid var(--ra-line); }
#roof-construction.is-enhanced:not(.is-manual) .ra-scroll-track { height: 760svh; }
#roof-construction .ra-sticky {
  position: relative;
  display: flex;
  flex-direction: column;
  padding-inline: max(44px, calc((100vw - 1376px) / 2));
  overflow: hidden;
  background: var(--ra-paper);
}
#roof-construction.is-enhanced:not(.is-manual) .ra-sticky {
  position: sticky;
  top: var(--ra-header-height);
  height: calc(100svh - var(--ra-header-height));
  min-height: 0;
}
#roof-construction .ra-progress-line {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 4;
  width: 100%;
  transform: scaleX(0);
  transform-origin: left;
  height: 2px;
  background: var(--ra-accent);
}
#roof-construction .ra-topline {
  display: flex;
  flex: none;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 58px;
  border-bottom: 1px solid var(--ra-line);
}
#roof-construction .ra-topline > p { display: flex; align-items: center; gap: 9px; font-size: 11px; line-height: 1.5; letter-spacing: .07em; }
#roof-construction .ra-live-dot { width: 5px; height: 5px; flex: none; border-radius: 50%; background: var(--ra-accent); }
#roof-construction .ra-edition { margin-left: 22px; color: #84857e; font-size: 9px; letter-spacing: .14em; }
#roof-construction .ra-mode-button {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 44px;
  padding: 0 4px;
  border: 0;
  background: transparent;
  color: #495766;
  font-size: 11px;
  line-height: 1.5;
  white-space: nowrap;
}
#roof-construction .ra-mode-button:hover { color: var(--ra-accent); }
#roof-construction .ra-layout {
  display: grid;
  flex: 1;
  grid-template-columns: minmax(250px, 25%) minmax(0, 1fr);
  align-items: center;
  gap: 28px;
  min-height: 0;
}
#roof-construction .ra-copy { position: relative; z-index: 2; min-width: 0; max-width: 320px; padding-block: 26px; }
#roof-construction .ra-step-counter { display: flex; align-items: baseline; gap: 12px; margin-bottom: 22px; line-height: 1; }
#roof-construction .ra-number { color: var(--ra-accent); font-family: Georgia, serif; font-size: clamp(64px, 5.6vw, 80px); font-weight: 400; letter-spacing: -.055em; }
#roof-construction .ra-total { color: #88877e; font-size: 10px; letter-spacing: .1em; }
#roof-construction .ra-phase { margin-bottom: 12px; color: #6c726f; font-size: 11px; line-height: 1.6; letter-spacing: .09em; }
#roof-construction .ra-step-title {
  min-height: 3.25em;
  margin-bottom: 19px;
  font-family: var(--serif, Georgia, serif);
  font-size: clamp(27px, 2.3vw, 34px);
  font-weight: 500;
  line-height: 1.65;
  letter-spacing: .025em;
  white-space: pre-line;
  word-break: keep-all;
  overflow-wrap: normal;
}
#roof-construction .ra-step-description { min-height: 6em; margin-bottom: 18px; color: #52606a; font-size: 14px; line-height: 1.95; letter-spacing: .015em; }
#roof-construction .ra-detail { min-height: 3.6em; padding-left: 12px; border-left: 1px solid #b9a67f; color: #646858; font-size: 12px; line-height: 1.8; }
#roof-construction .ra-material { display: flex; align-items: center; gap: 12px; margin-top: 24px; }
#roof-construction .ra-swatch { width: 33px; height: 33px; flex: none; border-radius: 50%; background: #8f9290 url('./assets/material-atlas.webp') 0 0 / 200% 200%; }
#roof-construction .ra-material > div { display: flex; flex-direction: column; gap: 3px; }
#roof-construction .ra-material small { color: #7a7b71; font-size: 10px; line-height: 1.5; letter-spacing: .05em; }
#roof-construction .ra-material-name { color: #58636a; font-size: 11px; line-height: 1.65; }
#roof-construction .ra-visual { position: relative; align-self: stretch; min-width: 0; min-height: 0; overflow: hidden; }
#roof-construction .ra-scene-grid { display: none; }
#roof-construction .ra-load-status { position: absolute; z-index: 2; inset: 0 20px 78px; display: flex; align-items: center; justify-content: center; gap: 10px; color: #86877c; font-size: 12px; line-height: 1.7; text-align: center; }
#roof-construction.is-loading .ra-load-status::before { width: 7px; height: 7px; flex: none; border-radius: 50%; background: var(--ra-accent); content: ''; }
#roof-construction:is(.is-webgl,.is-fallback) .ra-load-status { display: none; }
#roof-construction .ra-canvas { position: absolute; z-index: 1; inset: 0 0 78px; visibility: hidden; touch-action: pan-y pinch-zoom; }
#roof-construction.is-webgl .ra-canvas { visibility: visible; }
#roof-construction .ra-canvas canvas { display: block; width: 100%; height: 100%; outline: none; touch-action: inherit; }
#roof-construction.is-orbit-enabled .ra-canvas { cursor: grab; touch-action: none; }
#roof-construction.is-two-finger-touch .ra-canvas { cursor: auto; touch-action: auto; }
#roof-construction.is-orbit-dragging .ra-canvas { cursor: grabbing; }
#roof-construction .ra-canvas:focus-visible { outline: 2px solid var(--ra-accent); outline-offset: -3px; }
#roof-construction .ra-visual-caption { position: absolute; z-index: 2; top: 24px; left: 16px; right: 16px; display: flex; justify-content: space-between; color: #8b8e87; font-size: 10px; line-height: 1.5; letter-spacing: .06em; pointer-events: none; }
#roof-construction .ra-visual-caption span:last-child { font-size: 9px; }
#roof-construction .ra-callout { position: absolute; z-index: 2; top: 18%; right: 3%; padding: 8px 11px; border-bottom: 1px solid #b9b5a7; color: #596651; background: #f6f4efe8; font-size: 11px; line-height: 1.65; pointer-events: none; }
#roof-construction .ra-leader { position: absolute; z-index: 2; inset: 0 0 78px; width: 100%; height: calc(100% - 78px); overflow: visible; opacity: 0; pointer-events: none; }
#roof-construction.is-webgl .ra-leader { opacity: .65; }
#roof-construction .ra-leader path { fill: none; stroke: #9b9e8b; stroke-width: .8; }
#roof-construction .ra-leader circle { fill: #8f896d; stroke: var(--ra-paper); stroke-width: 1; }
#roof-construction .ra-direction { position: absolute; z-index: 2; left: 10%; bottom: 22%; display: flex; align-items: center; gap: 9px; color: #87907c; font-size: 9px; line-height: 1.5; transform: rotate(-27deg); opacity: 0; pointer-events: none; }
#roof-construction .ra-direction i { position: relative; width: 55px; height: 1px; background: #a9ad96; }
#roof-construction .ra-direction i::after { position: absolute; right: 0; top: -3px; width: 6px; height: 6px; border-top: 1px solid #a9ad96; border-right: 1px solid #a9ad96; transform: rotate(45deg); content: ''; }
#roof-construction:is([data-ra-stage='3'],[data-ra-stage='5']) .ra-direction { opacity: 1; }
#roof-construction:is(.is-orbit-dragging,.is-view-obscured,.is-cutaway) :is(.ra-callout,.ra-leader,.ra-direction) { opacity: 0; visibility: hidden; }
#roof-construction .ra-scroll-cue { display: none; }
#roof-construction .ra-view-toolbar { position: absolute; z-index: 5; left: 16px; right: 16px; bottom: 18px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
#roof-construction .ra-view-hint { min-width: 0; color: #7a7e73; font-size: 11px; line-height: 1.5; letter-spacing: .025em; }
#roof-construction .ra-view-buttons { display: flex; flex: none; border: 1px solid #d1ccbd; background: #fcfbf7f5; }
#roof-construction .ra-view-buttons button { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-width: 44px; min-height: 44px; padding: 0 12px; border: 0; background: transparent; color: #465769; font-size: 11px; line-height: 1.35; white-space: nowrap; }
#roof-construction .ra-view-buttons button + button { border-left: 1px solid #ddd8cc; }
#roof-construction .ra-view-buttons button[hidden] { display: none; }
#roof-construction.is-two-finger-touch [data-ra-view-action='zoom-out'] { border-left: 0; }
#roof-construction .ra-view-buttons button:hover { background: #eee9de; }
#roof-construction .ra-view-buttons button[aria-pressed='true'] { color: var(--ra-ink); background: #e9e3d5; }
#roof-construction .ra-view-buttons button:disabled { opacity: .4; }
#roof-construction .ra-view-buttons button[data-ra-view-action^='zoom'] { padding-inline: 0; font-size: 20px; }
#roof-construction .ra-view-buttons svg { width: 18px; height: 18px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.2; stroke-linecap: round; stroke-linejoin: round; }
#roof-construction .ra-cutaway-toggle { position: absolute; z-index: 6; top: 12px; right: 16px; display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 0 13px; border: 1px solid #b3aa91; color: #495766; background: #fbfaf5f5; font-size: 12px; line-height: 1.4; }
#roof-construction .ra-cutaway-toggle svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.1; stroke-linecap: round; stroke-linejoin: round; }
#roof-construction .ra-cutaway-toggle:hover { background: #eee8da; }
#roof-construction .ra-cutaway-toggle[aria-pressed='true'] { border-color: var(--ra-ink); color: #fff; background: var(--ra-ink); }
#roof-construction .ra-cutaway-note { position: absolute; z-index: 4; right: 18px; bottom: 91px; padding: 8px 11px; color: #60694f; background: #f6f4efe8; font-size: 12px; line-height: 1.8; text-align: right; pointer-events: none; }
#roof-construction .ra-cutaway-note span { color: #7b806a; font-size: 11px; }
#roof-construction.has-cutaway .ra-visual-caption span:last-child { visibility: hidden; }
#roof-construction.is-orbit-dragging .ra-cutaway-note { opacity: 0; }
#roof-construction .ra-bottom { flex: none; padding-bottom: 12px; border-top: 1px solid var(--ra-line); }
#roof-construction .ra-timeline { display: grid; grid-template-columns: repeat(8, minmax(0, 1fr)); gap: 14px; padding-top: 14px; }
#roof-construction .ra-timeline button { position: relative; display: flex; flex-direction: column; align-items: flex-start; gap: 8px; min-width: 44px; min-height: 61px; padding: 3px 0 14px; border: 0; background: none; color: #8b8d87; text-align: left; }
#roof-construction .ra-timeline button > span { font-size: 11px; line-height: 1.5; letter-spacing: .05em; }
#roof-construction .ra-timeline button > strong { font-size: 11px; font-weight: 500; line-height: 1.4; white-space: nowrap; }
#roof-construction .ra-timeline button > i { position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: #d3d3c8; }
#roof-construction .ra-timeline button.is-complete > i { background: #b5a27e; }
#roof-construction .ra-timeline button[aria-current='step'] { color: var(--ra-ink); }
#roof-construction .ra-timeline button[aria-current='step'] > strong { font-weight: 600; }
#roof-construction .ra-timeline button[aria-current='step'] > i { height: 3px; background: var(--ra-accent); }
#roof-construction .ra-timeline button:hover { color: var(--ra-accent); }
#roof-construction .ra-tools { display: flex; align-items: center; justify-content: space-between; gap: 18px; min-height: 52px; padding-top: 8px; }
#roof-construction .ra-transport { display: flex; align-items: center; gap: 6px; }
#roof-construction .ra-transport button { min-width: 44px; min-height: 44px; padding: 3px 9px; border: 1px solid #d6d0c1; background: transparent; font-size: 17px; line-height: 1.5; }
#roof-construction .ra-transport button:disabled { opacity: .3; }
#roof-construction .ra-transport button[data-ra-action='restart'] { border: 0; font-size: 11px; }
#roof-construction .ra-control-note { color: #82847c; font-size: 10px; line-height: 1.7; }
#roof-construction .ra-skip { display: flex; align-items: center; gap: 14px; min-height: 44px; color: #596451; font-size: 11px; line-height: 1.5; }
#roof-construction :is(.ra-announcement,.ra-view-instructions) { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; border: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
#roof-construction .ra-fallback-list { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; padding: 36px 0; list-style: none; }
#roof-construction .ra-fallback-list strong { font-size: 14px; line-height: 1.7; }
#roof-construction .ra-fallback-list p { margin-top: 8px; color: #596670; font-size: 13px; line-height: 1.85; }
#roof-construction.is-enhanced .ra-fallback-list { display: none; }
#roof-construction.is-fallback .ra-fallback-list { display: grid; }
#roof-construction:is(.is-fallback,:not(.is-enhanced)) .ra-visual { display: none; }
#roof-construction:is(.is-fallback,:not(.is-enhanced)) .ra-layout { display: block; }
#roof-construction:not(.is-enhanced) :is(.ra-mode-button,.ra-bottom) { display: none; }
#roof-construction.is-manual .ra-sticky { min-height: 650px; }
#roof-construction.is-manual .ra-visual { min-height: 460px; }
#roof-construction.is-manual.is-compact .ra-sticky { min-height: 0; height: auto; }
#roof-construction.is-fallback .ra-sticky { min-height: 0; }
#roof-construction .ra-summary { display: grid; grid-template-columns: 1.1fr 1fr; align-items: center; gap: 76px; padding-block: 90px 58px; }
#roof-construction .ra-summary-visual img { display: block; width: 100%; height: auto; mix-blend-mode: multiply; }
#roof-construction .ra-summary-visual figcaption { margin-top: 12px; color: #8a8a7e; font-size: 10px; line-height: 1.7; text-align: center; }
#roof-construction .ra-kicker { margin-bottom: 18px; color: var(--ra-accent); font-size: 10px; line-height: 1.6; letter-spacing: .18em; }
#roof-construction .ra-summary h3 { margin-bottom: 22px; font-family: var(--serif, Georgia, serif); font-size: clamp(25px, 2.25vw, 32px); font-weight: 500; line-height: 1.8; letter-spacing: .035em; }
#roof-construction .ra-summary-copy > p:not(.ra-kicker) { color: #617078; font-size: 13px; line-height: 2; }
#roof-construction .ra-layers { margin: 26px 0; padding: 0; border-top: 1px solid var(--ra-line); list-style: none; }
#roof-construction .ra-layers li { display: flex; align-items: center; gap: 22px; padding-block: 16px; border-bottom: 1px solid var(--ra-line); }
#roof-construction .ra-layers li > span { color: var(--ra-accent); font-family: Georgia, serif; font-size: 20px; line-height: 1.5; }
#roof-construction .ra-layers li > div { display: flex; flex-direction: column; gap: 4px; }
#roof-construction .ra-layers strong { font-size: 13px; line-height: 1.65; }
#roof-construction .ra-layers small { color: #7c827c; font-size: 11px; line-height: 1.7; }
#roof-construction .ra-photo-link { display: flex; align-items: center; justify-content: space-between; gap: 18px; max-width: 300px; min-height: 44px; padding-block: 4px 10px; border-bottom: 1px solid #b3a383; font-size: 12px; }
#roof-construction .ra-disclaimer { padding-block: 22px 48px; border-top: 1px solid var(--ra-line); color: #81877d; font-size: 10px; line-height: 2; }
body.lp-roof-assembly-active :is(.sticky-cta,.journey-rail) { opacity: 0 !important; visibility: hidden; pointer-events: none; }

/* Shorter desktop travel keeps trackpad scrolling comfortable across eight steps. */
@media (min-width: 901px) and (pointer: fine) {
  #roof-construction.is-enhanced:not(.is-manual) .ra-scroll-track { height: 500svh; }
}

@media (min-width: 901px) and (max-height: 790px) {
  #roof-construction .ra-topline { min-height: 46px; }
  #roof-construction .ra-copy { padding-block: 15px; }
  #roof-construction .ra-step-counter { margin-bottom: 12px; }
  #roof-construction .ra-number { font-size: 54px; }
  #roof-construction .ra-phase { margin-bottom: 7px; }
  #roof-construction .ra-step-title { margin-bottom: 12px; font-size: 26px; line-height: 1.55; }
  #roof-construction .ra-step-description { min-height: 5.5em; margin-bottom: 10px; font-size: 13px; line-height: 1.8; }
  #roof-construction .ra-detail { min-height: 3.4em; font-size: 11px; line-height: 1.7; }
  #roof-construction .ra-material { margin-top: 13px; }
  #roof-construction .ra-timeline { padding-top: 10px; }
  #roof-construction .ra-timeline button { min-height: 53px; gap: 5px; }
  #roof-construction .ra-bottom { padding-bottom: 7px; }
  #roof-construction .ra-tools { padding-top: 4px; min-height: 48px; }
}
@media (min-width: 901px) and (max-width: 1100px) {
  #roof-construction .ra-sticky { padding-inline: 28px; }
  #roof-construction .ra-layout { grid-template-columns: minmax(235px, 29%) minmax(0, 1fr); gap: 10px; }
  #roof-construction .ra-step-title { font-size: 27px; }
  #roof-construction .ra-timeline { gap: 8px; }
  #roof-construction .ra-timeline button > strong { font-size: 10px; white-space: normal; }
  #roof-construction .ra-view-toolbar { flex-direction: column; gap: 7px; bottom: 13px; }
  #roof-construction .ra-canvas { bottom: 90px; }
  #roof-construction .ra-leader { bottom: 90px; height: calc(100% - 90px); }
}
@media (max-width: 900px) {
  #roof-construction .ra-wrap { width: min(calc(100% - 40px), 640px); }
  #roof-construction .ra-intro { display: block; padding-block: 64px 40px; }
  #roof-construction .ra-intro-aside { margin-top: 24px; }
  #roof-construction .ra-intro-aside a { width: fit-content; max-width: 100%; }
  #roof-construction .ra-sticky { padding-inline: 20px; }
  #roof-construction.is-enhanced:not(.is-manual) .ra-scroll-track { height: 650svh; }
  #roof-construction .ra-topline { gap: 8px; min-height: 46px; }
  #roof-construction .ra-topline > p { gap: 7px; font-size: 11px; letter-spacing: .025em; }
  #roof-construction .ra-edition { display: none; }
  #roof-construction .ra-mode-button { gap: 8px; padding-inline: 0; font-size: 11px; }
  #roof-construction .ra-layout { display: flex; flex-direction: column; align-items: stretch; gap: 0; }
  #roof-construction .ra-copy { order: 2; flex: none; width: 100%; max-width: 640px; margin-inline: auto; padding: 4px 0 13px; }
  #roof-construction .ra-step-counter { position: absolute; right: 1px; top: 6px; gap: 6px; margin: 0; }
  #roof-construction .ra-number { font-size: 43px; }
  #roof-construction .ra-total { font-size: 8px; }
  #roof-construction .ra-phase { margin-bottom: 6px; padding-right: 76px; font-size: 11px; line-height: 1.5; }
  #roof-construction .ra-step-title { width: calc(100% - 75px); min-height: 3em; margin-bottom: 9px; font-size: 24px; line-height: 1.5; }
  /* Reserve the longest of the eight descriptions, so stage changes cannot
     take height from the flexible visual. Use line-relative sizes for fonts. */
  #roof-construction .ra-step-description { min-height: 3.5em; margin: 0; font-size: 13px; line-height: 1.75; letter-spacing: 0; }
  #roof-construction :is(.ra-detail,.ra-material) { display: none; }
  #roof-construction .ra-visual { order: 1; flex: 1; min-height: 260px; margin-inline: -20px; width: calc(100% + 40px); }
  #roof-construction .ra-canvas { bottom: 80px; }
  #roof-construction .ra-leader { bottom: 80px; height: calc(100% - 80px); }
  #roof-construction .ra-visual-caption { top: 15px; left: 20px; right: 20px; font-size: 9px; }
  #roof-construction .ra-visual-caption span:last-child { font-size: 9px; }
  #roof-construction .ra-callout { top: 18%; right: 5%; padding: 5px 8px; font-size: 10px; }
  #roof-construction .ra-direction { bottom: 100px; font-size: 8px; }
  #roof-construction .ra-direction i { width: 35px; }
  #roof-construction .ra-view-toolbar { left: 12px; right: 12px; bottom: 10px; flex-direction: column; justify-content: center; gap: 5px; }
  #roof-construction .ra-view-hint { font-size: 10px; line-height: 1.5; text-align: center; }
  #roof-construction .ra-view-buttons button { padding-inline: 12px; font-size: 11px; }
  #roof-construction .ra-view-label-wide { display: none; }
  #roof-construction .ra-cutaway-toggle { top: 6px; right: 15px; gap: 6px; padding-inline: 10px; font-size: 11px; }
  #roof-construction .ra-cutaway-note { bottom: 87px; right: 13px; padding: 6px 9px; font-size: 11px; }
  #roof-construction .ra-cutaway-note span { font-size: 10px; }
  #roof-construction .ra-bottom { padding-bottom: 4px; }
  #roof-construction .ra-timeline { grid-template-columns: repeat(8, minmax(44px, 1fr)); gap: 2px; margin-inline: -14px; padding-top: 5px; overflow-x: auto; scrollbar-width: thin; }
  #roof-construction .ra-timeline button { align-items: center; justify-content: center; gap: 0; min-height: 44px; padding: 0; }
  #roof-construction .ra-timeline button > span { font-size: 11px; }
  #roof-construction .ra-timeline button > strong { display: none; }
  #roof-construction .ra-timeline button[aria-current='step'] { background: #eae4d7; }
  #roof-construction .ra-timeline button[aria-current='step'] > i { height: 2px; }
  #roof-construction .ra-tools { gap: 8px; min-height: 48px; padding-top: 4px; }
  #roof-construction .ra-transport { gap: 4px; }
  #roof-construction .ra-transport button { min-height: 44px; min-width: 44px; padding: 0 7px; }
  #roof-construction .ra-transport button[data-ra-action='restart'] { padding-inline: 6px; font-size: 10px; }
  #roof-construction .ra-control-note { display: none; }
  #roof-construction .ra-skip { gap: 8px; font-size: 10px; }
  #roof-construction.is-manual .ra-sticky { min-height: 0; }
  #roof-construction.is-manual .ra-visual { height: clamp(320px, 75vw, 500px); min-height: 320px; flex: none; }
  #roof-construction.is-manual .ra-copy { padding-block: 10px 20px; }
  #roof-construction .ra-summary { grid-template-columns: 1fr; gap: 32px; padding-block: 55px 35px; }
  #roof-construction .ra-summary-visual { width: 100%; max-width: 540px; margin-inline: auto; }
  #roof-construction .ra-summary h3 { font-size: 27px; }
  #roof-construction .ra-layers li { padding-block: 15px; }
  #roof-construction .ra-disclaimer { padding-bottom: 35px; }
  #roof-construction .ra-fallback-list { grid-template-columns: 1fr 1fr; gap: 22px; }
}
@media (max-width: 760px) {
  #roof-construction .ra-sticky { padding-inline: 16px; }
  #roof-construction .ra-step-title { font-size: 22px; }
  #roof-construction .ra-step-description { min-height: 5.25em; }
  #roof-construction .ra-visual { margin-inline: -16px; width: calc(100% + 32px); }
  #roof-construction .ra-timeline { margin-inline: -12px; }
  #roof-construction .ra-fallback-list { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  #roof-construction .ra-intro h2 { font-size: clamp(34px, 10vw, 45px); }
}
@media (max-width: 760px) and (max-height: 740px) {
  #roof-construction .ra-copy { padding-top: 2px; padding-bottom: 10px; }
  #roof-construction .ra-step-counter { top: 3px; }
  #roof-construction .ra-number { font-size: 38px; }
  #roof-construction .ra-phase { margin-bottom: 5px; font-size: 10px; }
  #roof-construction .ra-step-title { min-height: 2.8em; margin-bottom: 7px; font-size: 20px; line-height: 1.4; }
  #roof-construction .ra-step-description { min-height: 4.95em; font-size: 12.5px; line-height: 1.65; }
  #roof-construction .ra-visual { min-height: 250px; }
  #roof-construction .ra-visual-caption { top: 10px; }
  #roof-construction .ra-cutaway-note { font-size: 10px; }
}
@media (max-width: 359px) {
  #roof-construction .ra-topline > p { font-size: 10px; }
  #roof-construction .ra-mode-button { font-size: 10px; }
  #roof-construction .ra-step-title { font-size: 20px; }
  #roof-construction .ra-view-buttons button { padding-inline: 9px; }
  #roof-construction .ra-leader { display: none; }
  #roof-construction .ra-skip { font-size: 9px; gap: 4px; }
}
@media (max-width: 339px) and (min-height: 741px) {
  #roof-construction .ra-step-description { min-height: 7em; }
}
/* Short windows retain scroll playback. Keep the eight-step navigation usable
   while giving the visual the space left by a compact, stable copy column. */
@media (min-width: 901px) and (max-height: 649px) {
  #roof-construction.is-enhanced:not(.is-manual) .ra-topline { min-height: 32px; }
  #roof-construction.is-enhanced:not(.is-manual) .ra-copy { padding-block: 8px; }
  #roof-construction.is-enhanced:not(.is-manual) .ra-number { font-size: 38px; }
  #roof-construction.is-enhanced:not(.is-manual) .ra-step-counter { margin-bottom: 8px; }
  #roof-construction.is-enhanced:not(.is-manual) .ra-phase { margin-bottom: 5px; }
  #roof-construction.is-enhanced:not(.is-manual) .ra-step-title { min-height: 2.8em; margin-bottom: 8px; font-size: 22px; line-height: 1.4; }
  #roof-construction.is-enhanced:not(.is-manual) .ra-step-description { min-height: 7.2em; margin-bottom: 8px; }
  #roof-construction.is-enhanced:not(.is-manual) .ra-detail { min-height: 0; }
  #roof-construction.is-enhanced:not(.is-manual) .ra-material { margin-top: 8px; }
}
@media (max-width: 900px) and (max-height: 649px) {
  #roof-construction.is-enhanced:not(.is-manual) .ra-topline { min-height: 30px; }
  #roof-construction.is-enhanced:not(.is-manual) .ra-copy { padding-block: 4px; }
  #roof-construction.is-enhanced:not(.is-manual) .ra-step-counter { top: 4px; }
  #roof-construction.is-enhanced:not(.is-manual) .ra-number { font-size: 30px; }
  #roof-construction.is-enhanced:not(.is-manual) .ra-phase { margin-bottom: 4px; font-size: 10px; line-height: 1.5; }
  #roof-construction.is-enhanced:not(.is-manual) .ra-step-title { min-height: 2.8em; margin-bottom: 5px; font-size: 18px; line-height: 1.4; }
  #roof-construction.is-enhanced:not(.is-manual) .ra-step-description { min-height: 4.95em; font-size: 12px; line-height: 1.65; }
  #roof-construction.is-enhanced:not(.is-manual) .ra-visual { min-height: 0; }
  #roof-construction.is-enhanced:not(.is-manual) .ra-view-hint { display: none; }
  #roof-construction.is-enhanced:not(.is-manual) .ra-view-toolbar { bottom: 6px; gap: 0; }
  #roof-construction.is-enhanced:not(.is-manual) :is(.ra-canvas,.ra-load-status) { bottom: 56px; }
  #roof-construction.is-enhanced:not(.is-manual) .ra-leader { bottom: 56px; height: calc(100% - 56px); }
  #roof-construction.is-enhanced:not(.is-manual) .ra-cutaway-note { bottom: 62px; }
  #roof-construction.is-enhanced:not(.is-manual) .ra-direction { bottom: 68px; }
}
@media (max-width: 359px) and (max-height: 649px) {
  #roof-construction.is-enhanced:not(.is-manual) .ra-step-description { min-height: 6.6em; }
}
/* A short landscape preview needs columns, even when its width uses the
   portrait layout elsewhere. No touch/pointer test changes playback mode. */
@media (min-width: 560px) and (max-width: 900px) and (max-height: 479px) {
  #roof-construction.is-enhanced:not(.is-manual) .ra-layout { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); align-items: stretch; gap: 12px; }
  #roof-construction.is-enhanced:not(.is-manual) .ra-copy { order: 0; width: auto; max-width: none; margin: 0; }
  #roof-construction.is-enhanced:not(.is-manual) .ra-step-counter { top: 4px; }
  #roof-construction.is-enhanced:not(.is-manual) .ra-number { font-size: 20px; }
  #roof-construction.is-enhanced:not(.is-manual) .ra-phase { min-height: 20px; padding-right: 52px; }
  #roof-construction.is-enhanced:not(.is-manual) .ra-step-title { width: 100%; font-size: 17px; }
  #roof-construction.is-enhanced:not(.is-manual) .ra-visual { order: 0; width: auto; margin: 0; }
  #roof-construction.is-enhanced:not(.is-manual) .ra-bottom { display: flex; align-items: center; gap: 10px; padding-block: 4px; }
  #roof-construction.is-enhanced:not(.is-manual) .ra-timeline { flex: 1; min-width: 0; margin: 0; padding: 0; }
  #roof-construction.is-enhanced:not(.is-manual) .ra-tools { flex: none; min-height: 44px; padding: 0; }
  #roof-construction.is-enhanced:not(.is-manual) .ra-view-toolbar { left: 0; right: 0; }
  #roof-construction.is-enhanced:not(.is-manual) .ra-view-buttons button { padding-inline: 8px; }
  #roof-construction.is-enhanced:not(.is-manual).has-cutaway .ra-callout { top: 58px; }
}
@media (prefers-reduced-motion: reduce) {
  #roof-construction * { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}
@media print {
  #roof-construction .ra-scroll-track { height: auto !important; }
  #roof-construction .ra-sticky { position: static !important; height: auto !important; min-height: 0 !important; }
  #roof-construction .ra-fallback-list { display: grid !important; }
  #roof-construction :is(.ra-visual,.ra-bottom,.ra-mode-button) { display: none !important; }
}