/* Feel study: Vibe's generous product-first rhythm, remapped to Penthia. */
/* The file decodes to ~254 in frame extraction, but browser limited-range video
   conversion renders its clean perimeter at 255. Match the rendered pixels. */
body.concept-vibe { --concept-ease: cubic-bezier(.16,1,.3,1); background:#fff; }
.concept-vibe .k-hero,.concept-vibe .k-hero + .k-sec--band { display:none; }
.concept-vibe .k-nv { background:rgba(255,255,255,.9); border-bottom:0; backdrop-filter:blur(18px); }
.concept-vibe .k-vertex-story { height:400vh; margin-top:0; }
.concept-vibe .k-vertex-story,
.concept-vibe .k-vertex-story__stage { --vertex-bg:#fff; background:#fff; }
.concept-vibe .k-vertex-story__video {
  left:61%;
  height:min(91svh,940px);
  max-width:min(61vw,800px);
  -webkit-mask-image:linear-gradient(to right,transparent 0,#000 2.5%,#000 97.5%,transparent 100%),linear-gradient(to bottom,transparent 0,#000 2.5%,#000 97.5%,transparent 100%);
  -webkit-mask-composite:source-in;
  mask-image:linear-gradient(to right,transparent 0,#000 2.5%,#000 97.5%,transparent 100%),linear-gradient(to bottom,transparent 0,#000 2.5%,#000 97.5%,transparent 100%);
  mask-composite:intersect;
}
.concept-vibe .k-vertex-story__backdrop {
  position:absolute;
  z-index:0;
  top:50%;
  left:61%;
  width:min(74vw,1100px);
  height:min(91svh,940px);
  filter:blur(8px);
  transform:translate(-50%,-50%) scaleY(1.025);
  -webkit-mask-image:linear-gradient(to right,transparent 0,rgba(0,0,0,.18) 8%,#000 25%,#000 75%,rgba(0,0,0,.18) 92%,transparent 100%);
  mask-image:linear-gradient(to right,transparent 0,rgba(0,0,0,.18) 8%,#000 25%,#000 75%,rgba(0,0,0,.18) 92%,transparent 100%);
}
.concept-vibe .k-vertex-story__copy { left:clamp(28px,7vw,112px); width:min(440px,34vw); }
.concept-vibe .k-vertex-story__copy--intro { top:15%; }
.k-vertex-story__brandline { margin:0 0 56px; font-size:12px; font-weight:700; text-transform:uppercase; letter-spacing:.16em; }
.k-vertex-story__headline { margin:10px 0 18px; font-size:clamp(46px,5.8vw,88px); line-height:.94; letter-spacing:-.055em; }
.k-vertex-story__lead { max-width:390px; margin:0; color:var(--ink-soft); font-size:18px; line-height:1.5; }
.k-vertex-story__actions { display:flex; gap:10px; margin-top:28px; }
.k-vertex-story__scroll { display:block; margin-top:42px; color:var(--ink-soft); font-size:12px; text-transform:uppercase; letter-spacing:.14em; }
.k-vertex-callout { --show:0; position:absolute; z-index:3; display:flex; align-items:center; gap:10px; opacity:var(--show); transform:translateY(calc((1 - var(--show))*10px)); transition:opacity .18s linear,transform .32s var(--concept-ease); pointer-events:none; }
.k-vertex-callout i { position:relative; width:clamp(54px,7vw,110px); height:1px; background:rgba(8,10,15,.28); }
.k-vertex-callout i:before { content:""; position:absolute; top:-2px; width:5px; height:5px; border-radius:50%; background:var(--accent); }
.k-vertex-callout span { display:grid; gap:2px; white-space:nowrap; }
.k-vertex-callout b { font-size:12px; text-transform:uppercase; letter-spacing:.09em; }
.k-vertex-callout small { color:var(--ink-soft); font-size:12px; }
.k-vertex-callout--display { top:24%; right:7%; }
.k-vertex-callout--touch { top:46%; left:5%; flex-direction:row-reverse; text-align:right; }
.k-vertex-callout--io { top:35%; right:5%; }
.k-vertex-callout--platform { top:22%; left:5%; flex-direction:row-reverse; text-align:right; }
.k-vertex-callout--audio { bottom:18%; right:7%; }
.k-vertex-beats { position:absolute; inset:0; z-index:2; pointer-events:none; }
.k-vertex-beat {
  --beat-show:0;
  position:absolute;
  top:31%;
  left:clamp(28px,7vw,112px);
  opacity:var(--beat-show);
  transform:translateY(calc((1 - var(--beat-show))*18px));
  transition:opacity .18s linear,transform .42s var(--concept-ease);
}
.k-vertex-beat span {
  display:block;
  margin-bottom:14px;
  color:var(--accent);
  font-size:11px;
  font-weight:700;
  letter-spacing:.14em;
  text-transform:uppercase;
}
.k-vertex-beat strong {
  color:var(--ink);
  font-size:clamp(28px,3vw,44px);
  line-height:1.02;
  letter-spacing:-.045em;
}
.k-vertex-progress {
  position:absolute;
  z-index:3;
  top:50%;
  right:clamp(18px,2vw,34px);
  display:grid;
  justify-items:center;
  gap:10px;
  color:var(--ink-soft);
  font-size:10px;
  font-weight:700;
  letter-spacing:.08em;
  transform:translateY(-50%);
}
.k-vertex-progress__index { font-size:0; }
.k-vertex-progress__index::before { content:var(--vertex-chapter,"01"); font-size:10px; }
.k-vertex-progress i { position:relative; display:block; width:1px; height:112px; background:rgba(8,10,15,.12); overflow:hidden; }
.k-vertex-progress b { position:absolute; inset:0; background:var(--accent); transform:scaleY(var(--vertex-progress)); transform-origin:top; }
.k-vertex-story__copy--close { left:auto!important; right:7%; bottom:12%; width:390px!important; text-align:right; }
.k-vertex-story__closing { margin:0 0 20px; font-size:clamp(28px,3vw,46px); line-height:1.02; letter-spacing:-.04em; }
.concept-vibe .k-sec { background:#fff; padding-top:150px; padding-bottom:110px; }
.concept-vibe .k-sec--band { background:#f4f2ee; }
.concept-vibe .k-card,.concept-vibe .k-fcard { border-radius:28px; box-shadow:none; border-color:rgba(8,10,15,.08); }
.concept-vibe .k-t-h2 { letter-spacing:-.045em; }
@media(max-width:900px){.concept-vibe .k-nv__right .k-btn--solid{padding:11px 15px;font-size:12px}.concept-vibe .k-vertex-story__video,.concept-vibe .k-vertex-story__backdrop{top:56%;height:78svh}.concept-vibe .k-vertex-story__video{left:50%;max-width:92vw}.concept-vibe .k-vertex-story__backdrop{left:50%;width:100vw}.concept-vibe .k-vertex-story__copy{left:24px;right:24px;top:4%;width:auto;text-align:center}.k-vertex-story__brandline{margin-bottom:12px}.k-vertex-story__headline{font-size:clamp(34px,8vw,54px)}.k-vertex-story__lead{margin:auto}.k-vertex-story__actions{justify-content:center}.k-vertex-story__scroll{display:none}.k-vertex-beats{display:none}.k-vertex-progress{right:10px}.k-vertex-progress i{height:72px}.k-vertex-callout--touch,.k-vertex-callout--io,.k-vertex-callout--audio{display:none}.k-vertex-callout--display{top:31%;right:4%}.k-vertex-callout--platform{top:auto;bottom:12%;left:4%}.k-vertex-story__copy--close{top:auto!important;bottom:5%!important;right:20px!important;left:20px!important;width:auto!important;text-align:center!important}}
@media(prefers-reduced-motion:reduce){.k-vertex-callout,.k-vertex-beats,.k-vertex-progress,.k-vertex-story__backdrop{display:none}.k-vertex-story__scroll{display:none}}

/* Keep copy, product and specifications in separate tracks. The original
   percentage offsets allowed all three to occupy the same pixels. */
.concept-vibe .k-vertex-story__stage {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 3fr);
  grid-template-rows: minmax(160px, 1fr) auto;
  gap: 24px 40px;
  padding: 28px clamp(24px, 5vw, 80px);
  top: var(--vertex-nav-height, 64px);
  height: calc(100svh - var(--vertex-nav-height, 64px) - var(--vertex-bottom-height, 0px));
}
.concept-vibe .k-vertex-story__copy,
.concept-vibe .k-vertex-story__copy--close {
  position: relative;
  grid-area: 1 / 1 / 3 / 2;
  align-self: center;
  left: auto !important; right: auto !important;
  top: auto !important; bottom: auto !important;
  width: auto !important;
  min-width: 0;
  text-align: left !important;
  pointer-events: auto;
}
.concept-vibe .k-vertex-story__brandline { margin-bottom: 24px; }
.concept-vibe .k-vertex-story__headline { font-size: clamp(34px, 4.8vw, 76px); line-height: 1.04; }
.k-vertex-story__actions { flex-wrap: wrap; }
.concept-vibe .k-vertex-story__video,
.concept-vibe .k-vertex-story__still {
  position: relative;
  grid-area: 1 / 2;
  inset: auto;
  width: 100%; height: 100%; max-width: 100%; min-height: 0;
  object-fit: contain;
  transform: none;
}
/* The backdrop samples only the studio background; the contained film
   already supplies that background without bleeding into the copy. */
.concept-vibe .k-vertex-story__backdrop { display: none; }
.k-vertex-callouts {
  grid-area: 2 / 2;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 20px;
  align-self: end;
  min-width: 0;
}
.concept-vibe .k-vertex-callout {
  position: relative; inset: auto;
  display: block;
  min-width: 0; text-align: left;
}
.k-vertex-callout i { display: none; }
.k-vertex-callout span { white-space: normal; overflow-wrap: anywhere; }
.k-vertex-callout b, .k-vertex-callout small { line-height: 1.4; }
.k-vertex-beats { position: relative; grid-area: 1 / 1 / 3 / 2; align-self: center; display: grid; }
.k-vertex-beat { position: relative; inset: auto; grid-area: 1 / 1; }
.k-vertex-progress { right: 10px; }

@media (max-width: 1024px) {
  .concept-vibe .k-vertex-story__stage {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto minmax(160px, 1fr) auto;
    gap: 16px;
    padding: 20px 24px;
  }
  .concept-vibe .k-vertex-story__copy,
  .concept-vibe .k-vertex-story__copy--close {
    grid-area: 1 / 1;
    text-align: center !important;
  }
  .concept-vibe .k-vertex-story__brandline { margin-bottom: 12px; }
  .concept-vibe .k-vertex-story__headline { font-size: clamp(30px, 5vw, 44px); }
  .concept-vibe .k-vertex-story__lead { margin-inline: auto; font-size: 16px; }
  .k-vertex-story__actions { justify-content: center; margin-top: 18px; }
  .concept-vibe .k-vertex-story__video,
  .concept-vibe .k-vertex-story__still { grid-area: 2 / 1; }
  .k-vertex-callouts { grid-area: 3 / 1; gap: 8px 16px; }
  .k-vertex-beats, .k-vertex-progress, .k-vertex-story__scroll { display: none; }
}

/* If the actual copy cannot fit above a useful product frame (including
   zoom/text spacing), use document flow so every line remains reachable. */
.concept-vibe .k-vertex-story.is-static-layout { height: auto; min-height: 0; }
.concept-vibe .is-static-layout .k-vertex-story__stage {
  position: relative; top: auto; height: auto; min-height: 0;
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: auto auto auto auto;
}
.concept-vibe .is-static-layout .k-vertex-story__copy { grid-area: 1 / 1; opacity: 1; transform: none; }
.concept-vibe .is-static-layout .k-vertex-story__copy--close { grid-area: 4 / 1; }
.concept-vibe .is-static-layout .k-vertex-story__video { display: none; }
.concept-vibe .is-static-layout .k-vertex-story__still {
  display: block; grid-area: 2 / 1; height: auto; max-height: 65svh;
}
.concept-vibe .is-static-layout .k-vertex-callouts { grid-area: 3 / 1; }
.concept-vibe .is-static-layout .k-vertex-callout { opacity: 1; transform: none; }
.concept-vibe .is-static-layout .k-vertex-beats,
.concept-vibe .is-static-layout .k-vertex-progress,
.concept-vibe .is-static-layout .k-vertex-story__scroll { display: none; }

@media (prefers-reduced-motion: reduce) {
  .concept-vibe .k-vertex-story { height: auto; min-height: 0; }
  .concept-vibe .k-vertex-story__stage { position: relative; top: auto; height: auto; grid-template-rows: auto auto auto; }
  .concept-vibe .k-vertex-story__copy--intro { grid-area: 1 / 1; }
  .concept-vibe .k-vertex-story__still { grid-area: 1 / 2 / 3 / 3; height: auto; max-height: 70svh; }
  .concept-vibe .k-vertex-story__copy--close { grid-area: 2 / 1; }
  .concept-vibe .k-vertex-callouts { grid-area: 3 / 1 / 4 / -1; }
  .concept-vibe .k-vertex-callout { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) and (max-width: 1024px) {
  .concept-vibe .k-vertex-story__stage { grid-template-rows: auto auto auto auto; }
  .concept-vibe .k-vertex-story__still { grid-area: 2 / 1; }
  .concept-vibe .k-vertex-story__copy--close { grid-area: 4 / 1; }
}

/* Leave the fixed assistant/quiz controls clear of the specification text. */
@media (min-width: 1025px) {
  .k-vertex-callouts { margin-right: 144px; }
}
@media (max-width: 1024px) {
  .concept-vibe .k-vertex-story__stage { padding-bottom: 88px; }
  .k-vertex-story__actions .k-btn { padding: 14px 16px; font-size: 14px; }
}
/* Labels keep their reserved rows during rapid scroll jumps; chapter copy
   switches opacity directly so outgoing and incoming text cannot crossfade. */
.concept-vibe .k-vertex-callout { transform: none; }
.k-vertex-beat { transition: transform .42s var(--concept-ease); }
@media (min-width: 761px) and (max-width: 1024px) {
  .concept-vibe .k-vertex-story__stage { padding-bottom: 160px; }
}

/* One chapter of specifications needs one row, not three permanently
   reserved rows. Give that recovered height back to the product. */
@media (prefers-reduced-motion: no-preference) {
  .concept-vibe .k-vertex-story:not(.is-static-layout) .k-vertex-callouts { min-height: 48px; }
  .concept-vibe .k-vertex-story:not(.is-static-layout) .k-vertex-callout { display: none; transition: none; }
  .concept-vibe .k-vertex-story[data-active-window="early"]:not(.is-static-layout) [data-window="early"],
  .concept-vibe .k-vertex-story[data-active-window="middle"]:not(.is-static-layout) [data-window="middle"],
  .concept-vibe .k-vertex-story[data-active-window="late"]:not(.is-static-layout) [data-window="late"] { display: block; }
}
@media (max-width: 760px) {
  .concept-vibe .k-vertex-story__stage { padding-top: 12px; gap: 12px; }
  .concept-vibe .k-vertex-story__brandline { display: none; }
  .concept-vibe .k-vertex-callout { text-align: center; }
  .k-vertex-callout b { font-size: 13px; }
  .k-vertex-callout small { font-size: 13px; }
}
@media (min-width: 761px) and (max-width: 1024px) {
  .concept-vibe .k-vertex-story__stage { padding: 32px 48px 160px; gap: 24px; }
  .concept-vibe .k-vertex-story__headline { font-size: clamp(48px, 6.25vw, 64px); max-width: 800px; margin-inline: auto; }
  .concept-vibe .k-vertex-story__lead { font-size: 24px; max-width: 600px; line-height: 1.5; }
  .concept-vibe .k-vertex-story__brandline { font-size: 15px; margin-bottom: 16px; }
  .concept-vibe .k-vertex-story__eyebrow { font-size: 18px; }
  .concept-vibe .k-vertex-story__actions { margin-top: 24px; }
  .concept-vibe .k-vertex-story__actions .k-btn { font-size: 18px; padding: 16px 24px; }
  .concept-vibe .k-vertex-callout { text-align: center; }
  .k-vertex-callout b { font-size: 18px; }
  .k-vertex-callout small { font-size: 16px; }
}
@media (prefers-reduced-motion: no-preference) {
  .concept-vibe .k-vertex-story[data-active-window="middle"]:not(.is-static-layout) [data-window="middle"] { grid-column: 1 / -1; }
}