/* Home case preview — 20261017-121.
   Content layers only: the frame aperture and wave canvas keep their geometry. */
.stage {
  --case-preview-ink:#fff;
  --case-preview-muted:rgba(255,255,255,.9);
  --case-preview-surface:#fafbfc;
  --case-preview-line:rgba(255,255,255,.16);
  --case-preview-ease:cubic-bezier(.22,.8,.2,1);
}

.stage .case-rail {
  top:clamp(116px,23svh,204px);
  bottom:auto;
  gap:8px;
  max-width:calc(26% - var(--gutter));
}

@media (min-width:768px) and (min-height:621px) {
  .stage .case-rail { top:auto; bottom:31%; }
}

.stage .case-pill[data-case] {
  min-height:36px;
  gap:10px;
  padding:6px 14px;
  line-height:1.3;
  touch-action:manipulation;
}

.stage-content,
.case-preview-content { display:contents; }

.case-preview {
  position:absolute;
  z-index:1;
  inset:0;
  color:var(--case-preview-ink);
  opacity:0;
  visibility:hidden;
  pointer-events:none;
  transition:opacity .6s var(--case-preview-ease),visibility 0s linear .6s;
}

.stage.has-case-preview .case-preview {
  opacity:1;
  visibility:visible;
  transition-delay:0s;
}

.case-preview-backdrop {
  position:absolute;
  inset:0;
  overflow:hidden;
  background:var(--case-background-color,#17212c);
  pointer-events:none;
}

.case-preview-backdrop [data-case-backdrop-img] {
  position:absolute;
  inset:0;
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:var(--case-image-position,var(--case-background-position,50% 50%));
  opacity:0;
  pointer-events:none;
  transition:opacity .92s cubic-bezier(.22,.61,.36,1);
}

.case-preview-backdrop [data-case-backdrop-img].is-visible {
  opacity:1;
}

/* Keep the full photograph visible while giving white navigation and copy
   a consistent edge on every case's different materials and lighting. */
.case-preview-backdrop::after {
  content:"";
  position:absolute;
  inset:0;
  background:var(--case-photo-extra-shade,linear-gradient(transparent,transparent)),linear-gradient(180deg,rgba(3,8,14,.3),rgba(3,8,14,.08) 35%,rgba(3,8,14,.16) 60%,rgba(3,8,14,.5)),linear-gradient(90deg,rgba(3,8,14,.4),transparent 45%);
  pointer-events:none;
}

/* Photograph-specific shading protects copy over bright walls and paper,
   while retaining the original light across the rest of each scene. */
.stage[data-active-case="sketchfold"],
.stage[data-active-case="vaultgrid"],
.stage[data-active-case="peoplespan"] {
  --case-photo-extra-shade:linear-gradient(180deg,rgba(3,8,14,.32),transparent 150px);
}

.stage[data-active-case="ledgerflow"] {
  --case-photo-extra-shade:radial-gradient(ellipse at 100% 100%,rgba(3,8,14,.42),transparent 65%);
}

.stage[data-active-case="peoplespan"] .case-preview-media figcaption {
  text-shadow:0 1px 3px rgba(0,0,0,.8);
}

/* These tokens affect only the home surface. The inert menu skin retains its
   own theme, and the real header buttons stay transparent above both skins. */
html body[data-home-background="wavy-cubes"][data-case-preview-active="true"]:not(.menu-active) .case-rail,
html body[data-home-background="wavy-cubes"][data-case-preview-active="true"]:not(.menu-active) .stage-header.control-skin-home {
  --control-ink:#fff;
  --control-surface:rgba(255,255,255,.16);
  --control-hover-surface:rgba(255,255,255,.08);
}

html body[data-home-background="wavy-cubes"][data-case-preview-active="true"]:not(.menu-active) .stage-header:not(.control-skin-menu) {
  --white:#fff;
  --muted:rgba(255,255,255,.86);
  --line:rgba(255,255,255,.3);
  color:var(--white);
}

html body[data-home-background="wavy-cubes"][data-case-preview-active="true"]:not(.menu-active) .stage-logo .brand-word-home {
  color:#fff;
}

html.has-custom-cursor body[data-home-background="wavy-cubes"][data-case-preview-active="true"]:not(.menu-active) .custom-cursor {
  --cursor-color:#fff;
}

.case-preview-media {
  --case-media-top:clamp(102px,12svh,180px);
  --case-media-left:auto;
  --case-media-right:5vw;
  --case-media-width:min(61vw,960px);
  --case-media-height:min(53svh,600px);
  --case-media-ratio:1.6533;
  --case-media-padding:0px;
  --case-media-frame-inset:0px;
  --case-media-content-width:min(calc(var(--case-media-width) - var(--case-media-frame-inset)),calc((var(--case-media-height) - 52px - var(--case-media-frame-inset)) * var(--case-media-ratio)));
  position:absolute;
  z-index:2;
  color:var(--case-preview-ink);
  opacity:0;
  visibility:hidden;
  transition:opacity .45s var(--case-preview-ease),visibility 0s linear .45s;
  top:var(--case-media-top);
  left:var(--case-media-left);
  right:var(--case-media-right);
  width:calc(var(--case-media-content-width) + var(--case-media-frame-inset));
  height:calc(var(--case-media-content-width) / var(--case-media-ratio) + var(--case-media-frame-inset) + 52px);
  display:grid;
  grid-template-rows:minmax(0,1fr) auto;
  gap:8px;
  min-width:0;
  margin:0;
  pointer-events:none;
}

/* Art-directed positions leave the left rail and lower copy unobstructed.
   Both axes fit the source ratio, including frame padding and caption space.
   Geometry changes while the foreground is faded out, never across the page. */
.case-preview-media[data-case-layout="iterloom"] {
  --case-media-top:max(102px,12svh);
  --case-media-right:5vw;
  --case-media-width:min(61vw,960px);
  --case-media-height:min(53svh,600px);
}
.case-preview-media[data-case-layout="sketchfold"] {
  --case-media-ratio:1.4402;
  --case-media-top:29svh;
  --case-media-left:20vw;
  --case-media-right:auto;
  --case-media-width:min(54vw,850px);
  --case-media-height:min(42svh,520px);
}
.case-preview-media[data-case-layout="cleargrain"] {
  --case-media-ratio:1.7768;
  --case-media-top:20svh;
  --case-media-right:6vw;
  --case-media-width:min(48vw,750px);
  --case-media-height:min(42svh,520px);
}
.case-preview-media[data-case-layout="vaultgrid"] {
  --case-media-ratio:1.9335;
  --case-media-top:28svh;
  --case-media-left:29vw;
  --case-media-right:auto;
  --case-media-width:min(60vw,940px);
  --case-media-height:min(43svh,560px);
}
.case-preview-media[data-case-layout="docweave"] {
  --case-media-ratio:1.634;
  --case-media-top:max(102px,15svh);
  --case-media-left:21vw;
  --case-media-right:auto;
  --case-media-width:min(51vw,800px);
  --case-media-height:min(43svh,520px);
}
.case-preview-media[data-case-layout="peoplespan"] {
  --case-media-ratio:1.4653;
  --case-media-top:34svh;
  --case-media-right:4vw;
  --case-media-width:min(53vw,840px);
  --case-media-height:min(40svh,490px);
}
.case-preview-media[data-case-layout="signalscope"] {
  --case-media-ratio:1.6087;
  --case-media-top:max(102px,14svh);
  --case-media-right:10vw;
  --case-media-width:min(51vw,810px);
  --case-media-height:min(43svh,520px);
}
.case-preview-media[data-case-layout="ledgerflow"] {
  --case-media-ratio:1.3051;
  --case-media-top:31svh;
  --case-media-left:25vw;
  --case-media-right:auto;
  --case-media-width:min(53vw,830px);
  --case-media-height:min(42svh,520px);
}

.stage.has-case-preview .case-preview-media {
  opacity:1;
  visibility:visible;
  transition-delay:0s;
}

.case-preview-media [data-case-open] {
  position:relative;
  display:flex;
  align-items:center;
  justify-content:center;
  min-width:0;
  min-height:0;
  padding:0;
  overflow:hidden;
  border:0;
  border-radius:0;
  background:var(--case-preview-surface);
  box-shadow:none;
  aspect-ratio:var(--case-media-ratio);
  pointer-events:none;
  touch-action:manipulation;
}

.case-preview-media [data-case-image] {
  display:block;
  width:100%;
  height:100%;
  min-width:0;
  min-height:0;
  object-fit:contain;
  object-position:center;
  background:#fff;
  opacity:1;
  mix-blend-mode:normal;
  pointer-events:none;
}

.case-preview-media figcaption {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:36px;
  color:var(--case-preview-muted);
  font-size:12px;
  line-height:1.5;
}

.case-preview-media [data-case-caption] {
  min-width:0;
  overflow-wrap:anywhere;
}

.case-preview-media [data-case-cta] {
  display:inline-flex;
  flex:none;
  align-items:center;
  justify-content:center;
  min-height:44px;
  padding:4px 0 4px 12px;
  color:var(--case-preview-ink);
  font-size:13px;
  text-decoration:underline;
  text-underline-offset:5px;
  text-decoration-color:rgba(255,255,255,.5);
  pointer-events:none;
  touch-action:manipulation;
  transition:text-decoration-color .2s ease;
}

.stage.has-case-preview .case-preview-media :is([data-case-open],[data-case-cta]) {
  pointer-events:auto;
}

.case-preview-media [data-case-cta]:hover {
  text-decoration-color:currentColor;
}

.case-preview-media a:focus-visible {
  outline:2px solid var(--case-preview-ink);
  outline-offset:4px;
}

.case-preview-media [data-case-image-error] {
  position:absolute;
  top:40%;
  left:12px;
  right:12px;
  margin:0;
  padding:12px;
  color:#4b515b;
  background:var(--case-preview-surface);
  text-align:center;
  font-size:13px;
  line-height:1.6;
  pointer-events:none;
}

.case-preview [hidden],
.case-preview-content [hidden] { display:none!important; }

.stage.has-case-preview .stage-title-wrap {
  z-index:2;
  top:calc(100svh - clamp(138px,21svh,206px));
  right:calc(var(--gutter) + min(24vw,300px) + 36px);
  bottom:auto;
  left:26%;
  color:var(--case-preview-ink);
  pointer-events:none;
}

.stage.has-case-preview [data-case-kicker] {
  margin:0 0 12px;
  color:var(--case-preview-muted);
  font:12px/1.6 'Space Grotesk','PingFang SC','Microsoft YaHei',sans-serif;
  letter-spacing:.04em;
}

.stage.has-case-preview [data-case-title] {
  margin:0;
  color:var(--case-preview-ink);
  font-family:'Space Grotesk','PingFang SC','Microsoft YaHei',sans-serif;
  font-size:clamp(48px,5.6vw,92px);
  font-weight:500;
  line-height:1.1;
  letter-spacing:-.055em;
  overflow-wrap:anywhere;
  text-wrap:balance;
}

.stage.has-case-preview .stage-intro {
  z-index:2;
  top:calc(100svh - clamp(138px,20svh,188px));
  right:var(--gutter);
  width:min(24vw,300px);
  pointer-events:none;
}

.stage.has-case-preview .stage-intro-text {
  color:var(--case-preview-muted);
  font-size:14px;
  line-height:1.7;
}

/* Menu state wins immediately, including the aperture's closing transition. */
body:is(.menu-active,.menu-closing) .case-preview,
body:is(.menu-active,.menu-closing) .case-preview-media,
body:is(.menu-active,.menu-closing) .case-preview-media a {
  opacity:0!important;
  visibility:hidden!important;
  pointer-events:none!important;
  transition:none!important;
}

@media (min-width:768px) and (max-width:1100px) {
  .stage.has-case-preview .stage-title-wrap { left:27%; }
  .stage.has-case-preview [data-case-title] { font-size:clamp(42px,5.4vw,62px); }
}

/* Only the foreground scrolls on phones. The full-size wave scene and photo
   stay in their original aperture, including while the menu is in motion. */
@media (max-width:767px), (max-width:1024px) and (max-height:560px) {
  /* Keep the introduction in place; only the project rail owns scrolling. */
  body[data-home-background="wavy-cubes"] :is(.stage-frame,.stage) {
    height:100svh;
    min-height:0;
  }
  body[data-home-background="wavy-cubes"]:not(.menu-active):not(.menu-closing) :is(.stage-frame,.stage) {
    touch-action:pan-y pinch-zoom;
  }

  .stage-content {
    position:absolute;
    z-index:2;
    inset:0 0 auto;
    display:flex;
    flex-direction:column;
    box-sizing:border-box;
    width:100%;
    height:100svh;
    padding:clamp(130px,20svh,180px) var(--gutter) max(24px,env(safe-area-inset-bottom));
    overflow:hidden;
    overscroll-behavior-y:contain;
    touch-action:pan-y pinch-zoom;
    scroll-padding-top:88px;
    scrollbar-width:none;
    -webkit-overflow-scrolling:touch;
  }
  .stage-content::-webkit-scrollbar { display:none; }

  .stage .stage-title-wrap,
  .stage.has-case-preview .stage-title-wrap {
    flex:none;
    position:relative;
    inset:auto;
    min-height:126px;
    margin:0;
    pointer-events:none;
  }
  .stage .stage-title-wrap h1 {
    font-size:clamp(44px,13vw,52px);
    line-height:.96;
    letter-spacing:-.07em;
  }
  .stage .stage-kicker { margin-bottom:12px; }
  .stage.has-case-preview [data-case-kicker] {
    margin-bottom:8px;
    font-size:11px;
    line-height:1.45;
    letter-spacing:.03em;
  }
  .stage.has-case-preview [data-case-title] {
    font-size:clamp(38px,10vw,52px);
    line-height:1.15;
    letter-spacing:-.045em;
  }

  .stage .stage-intro,
  .stage.has-case-preview .stage-intro {
    flex:none;
    position:relative;
    inset:auto;
    width:min(100%,460px);
    min-height:54px;
    margin:16px 0 0;
    pointer-events:none;
  }
  .stage .stage-intro-text,
  .stage.has-case-preview .stage-intro-text {
    font-size:12px;
    line-height:1.5;
  }

  .stage .case-rail,
  .stage.has-case-preview .case-rail {
    position:relative;
    inset:auto;
    display:flex;
    flex-direction:column;
    flex-wrap:nowrap;
    align-items:flex-start;
    gap:6px;
    flex:1 1 0;
    min-height:0;
    width:100%;
    max-width:100%;
    margin:32px 0 0;
    padding:0 4px 8px;
    overflow-x:hidden;
    overflow-y:auto;
    overscroll-behavior-y:contain;
    touch-action:pan-y pinch-zoom;
    scrollbar-width:none;
    -webkit-overflow-scrolling:touch;
  }
  .stage .case-rail::-webkit-scrollbar { display:none; }
  .stage .case-pill[data-case] {
    flex:none;
    width:auto;
    min-width:0;
    min-height:36px;
    padding:6px 14px;
    font-size:14px;
    white-space:nowrap;
    touch-action:pan-y pinch-zoom;
  }

  .case-preview-content { display:none; }
  .stage.has-case-preview .case-preview-content {
    display:block;
    margin-top:36px;
  }
  .case-preview-media,
  .case-preview-media[data-case-layout] {
    --case-media-top:auto;
    --case-media-left:auto;
    --case-media-right:auto;
    --case-media-width:100%;
    --case-media-height:auto;
    position:relative;
    inset:auto;
    width:100%;
    max-width:680px;
    height:auto;
    max-height:none;
    grid-template-rows:auto auto;
    gap:4px;
  }
  .case-preview-media [data-case-open] {
    aspect-ratio:var(--case-media-ratio);
    padding:0;
    border-radius:0;
    box-shadow:none;
  }
  .case-preview-media figcaption {
    gap:12px;
    min-height:40px;
    font-size:11px;
    line-height:1.4;
  }
  .case-preview-media [data-case-cta] { font-size:12px; }

  .case-preview-backdrop [data-case-backdrop-img] {
    object-position:var(--case-image-mobile-position,var(--case-image-position,50% 50%));
  }
  .case-preview-backdrop::after {
    background:linear-gradient(180deg,rgba(3,8,14,.5),rgba(3,8,14,.42) 25%,rgba(3,8,14,.15) 53%,rgba(3,8,14,.5));
  }

  body:is(.menu-active,.menu-closing) .stage-content {
    overflow:hidden;
    pointer-events:none;
    touch-action:pinch-zoom;
  }
}

@media (max-width:1024px) and (max-height:560px) {
  .stage-content { padding-top:88px; padding-bottom:max(16px,env(safe-area-inset-bottom)); }
  .stage .stage-title-wrap,.stage.has-case-preview .stage-title-wrap { min-height:0; }
  .stage .stage-title-wrap h1 { font-size:clamp(30px,5vw,40px); }
  .stage .stage-intro,.stage.has-case-preview .stage-intro { min-height:0; margin-top:12px; }
  .stage .case-rail,.stage.has-case-preview .case-rail { margin-top:20px; }
}

@media (pointer:coarse) and (min-width:768px) and (min-height:561px) {
  .stage .case-pill[data-case] { min-height:44px; }
}

@media (prefers-reduced-motion:reduce) {
  .case-preview,
  .case-preview-media,
  .case-preview-backdrop [data-case-backdrop-img],
  .case-preview-media [data-case-cta] { transition:none!important; }
}