/* Ten-case managed-brand rail ------------------------------------------------ */
.case-studies { position: relative; overflow: hidden; color: white; background: radial-gradient(circle at 78% 12%, rgba(184,239,255,.2), transparent 28%), radial-gradient(circle at 14% 42%, rgba(44,98,214,.32), transparent 34%), linear-gradient(145deg,#07111c 0%,#102f52 52%,#07131f 100%); }
.case-studies::before { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .34; background-image: linear-gradient(rgba(184,239,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(184,239,255,.08) 1px,transparent 1px); background-size: 54px 54px; mask-image: linear-gradient(to bottom,black,transparent 72%); }
.case-studies-head { padding-top: clamp(54px,6vw,82px); padding-bottom: 18px; }
.case-studies-heading { display: grid; grid-template-columns: 1.25fr .75fr; gap: 8vw; align-items: end; margin-top: 58px; }
.case-studies-heading-minimal { grid-template-columns: 1.25fr .75fr; gap: 5vw; margin-top: 20px; }
.case-studies-heading-minimal .case-rail-controls { grid-column: 1; align-self: end; justify-self: start; margin: 0; }
.case-studies-heading-minimal .case-studies-intro { grid-column: 2; width: 100%; max-width: 560px; justify-self: end; }

/* Give selected work a clear editorial chapter title. */
.case-studies-heading-minimal {
  grid-template-columns: 1fr minmax(280px,.56fr);
  align-items: end;
  gap: clamp(24px,4vw,64px);
}
.case-studies-heading-minimal h2 {
  grid-column: 1 / -1;
  margin: 12px 0 18px;
  font-size: clamp(86px,11.5vw,190px);
  line-height: .8;
  white-space: nowrap;
}
.case-studies-heading-minimal .case-rail-controls { grid-column: 1; grid-row: 2; }
.case-studies-heading-minimal .case-studies-intro { grid-column: 2; grid-row: 2; }
.case-studies-heading h2 { margin: 0; font-size: clamp(66px,8vw,126px); font-weight: 300; line-height: .86; letter-spacing: 0; }
.case-studies-heading h2 em { color: var(--brand-blue); font-style: normal; font-weight: 800; }
.case-studies-heading h2 em { text-transform: uppercase; }
.case-studies-intro>p { max-width: 470px; margin: 0; color: rgba(255,255,255,.68); font-size: 15px; line-height: 1.55; }
.case-rail-controls { display: flex; align-items: center; gap: 14px; margin-top: 35px; }
.case-rail-controls button { width: 48px; height: 48px; border: 1px solid rgba(184,239,255,.32); border-radius: 50%; color: white; background: rgba(7,17,28,.24); font-size: 18px; cursor: pointer; transition: color 180ms,background 180ms,transform 180ms; }
.case-rail-controls button:hover { color: #07111c; background: var(--brand-blue); transform: scale(1.05); }
.case-rail-controls span { min-width: 68px; color: rgba(255,255,255,.54); font-size: 8px; letter-spacing: .12em; text-align: center; }.case-rail-controls b { color: var(--brand-blue); }
.case-rail-wrap { position: relative; padding: 0 0 34px; }
.case-rail-wrap::before,.case-rail-wrap::after { content: ""; position: absolute; z-index: 3; top: 0; bottom: 55px; width: 7vw; pointer-events: none; }.case-rail-wrap::before { left: 0; background: linear-gradient(90deg,#0b1c2e,transparent); }.case-rail-wrap::after { right: 0; background: linear-gradient(-90deg,#0a1929,transparent); }
.case-rail { display: flex; gap: 12px; padding: 0 max(6vw,24px) 16px; overflow-x: auto; scroll-snap-type: x mandatory; scroll-behavior: smooth; scrollbar-width: none; cursor: ew-resize; }.case-rail::-webkit-scrollbar { display: none; }
.case-tile { position: relative; flex: 0 0 clamp(285px,26vw,390px); aspect-ratio: .82; padding: 23px; overflow: hidden; scroll-snap-align: center; color: white; border: 0; border-radius: 14px; background: #111820; text-align: left; cursor: pointer; isolation: isolate; box-shadow: 0 22px 52px rgba(2,8,15,.28); transition: color 480ms var(--ease),background 480ms var(--ease),transform 420ms var(--ease),box-shadow 420ms; }
.case-tile::before,.case-tile::after { content: ""; position: absolute; z-index: -1; border: 1px solid rgba(255,255,255,.22); border-radius: 50%; transition: transform 700ms var(--ease),border-color 480ms; }
.case-tile::before { width: 88%; aspect-ratio: 1; right: -28%; top: -12%; }.case-tile::after { width: 52%; aspect-ratio: 1; left: -19%; bottom: 8%; }
.case-tile:hover { transform: translateY(-8px); box-shadow: 0 34px 70px rgba(55,41,29,.2); }
.case-tile:focus-visible { outline: 3px solid var(--cobalt); outline-offset: 4px; }
.case-tile>span { display: block; font-size: 7px; letter-spacing: .14em; opacity: .72; }
.case-tile>strong { display: block; margin-top: clamp(82px,9vw,138px); font-size: clamp(42px,4.5vw,66px); font-weight: 650; line-height: .8; letter-spacing: 0; }
.case-tile>small { position: absolute; left: 23px; bottom: 52px; font-size: 10px; letter-spacing: .04em; opacity: .66; }
.case-tile>i { position: absolute; right: 21px; bottom: 20px; font-style: normal; font-size: 7px; letter-spacing: .12em; }
.case-tile.is-active { color: #111b20; background: #fffdf8; transform: translateY(-8px); box-shadow: 0 34px 80px rgba(44,98,214,.15); }
.case-tile.is-active::before,.case-tile.is-active::after { border-color: rgba(44,98,214,.24); transform: scale(1.15); }.case-tile.is-active>span,.case-tile.is-active>i { color: var(--cobalt); opacity: 1; }
.case-plg { background: linear-gradient(145deg,#071015,#164b6c); }.case-river { background: linear-gradient(145deg,#172a20,#6f8e45); }.case-vito { background: linear-gradient(145deg,#281d17,#9b6a42); }.case-loan { background: linear-gradient(145deg,#14284a,#3268c8); }.case-101 { background: linear-gradient(145deg,#090b0e,#4b535e); }.case-belo { background: linear-gradient(145deg,#512319,#b84d28); }.case-joy { background: linear-gradient(145deg,#142c23,#4e8c60); }.case-arts { background: linear-gradient(145deg,#392258,#7758a4); }.case-capable { background: linear-gradient(145deg,#164c5b,#46a0a0); }.case-teach { background: linear-gradient(145deg,#151b35,#4e64b5); }
.case-detail { position: relative; width: min(1180px,88vw); margin: 0 auto 52px; padding: 30px clamp(24px,3vw,46px) 28px; overflow: hidden; color: #111b20; border: 1px solid rgba(184,239,255,.24); border-radius: 18px; background: #fffdf8; box-shadow: 0 26px 70px rgba(2,8,15,.22); opacity: 0; transform: translateY(28px); transition: opacity 300ms var(--ease),transform 420ms var(--ease); }
.case-detail.is-open { opacity: 1; transform: none; }
.case-detail-close { position: absolute; z-index: 2; top: 18px; right: 20px; display: flex; align-items: center; gap: 11px; padding: 6px 10px 6px 6px; color: #111b20; border: 1px solid rgba(17,27,32,.18); border-radius: 999px; background: rgba(255,253,248,.9); cursor: pointer; transition: color 180ms,background 180ms,transform 180ms; }
.case-detail-close span { width: 30px; height: 30px; display: grid; place-items: center; color: white; border-radius: 50%; background: var(--cobalt); font-size: 15px; }
.case-detail-close strong { font-size: 7px; letter-spacing: .12em; }
.case-detail-close:hover { color: white; background: #111b20; transform: translateY(-2px); }
.case-detail.is-refreshing { animation: caseDetailSwap 540ms var(--ease) both; }
.case-detail-index { display: grid; grid-template-columns: auto 1fr auto; gap: 15px; align-items: center; color: #647178; font-size: 8px; letter-spacing: .13em; }.case-detail-index>span:first-child { color: var(--cobalt); }.case-detail-index i { height: 1px; background: rgba(17,27,32,.17); }
.case-detail-main { display: grid; grid-template-columns: .72fr 1.28fr; gap: 4vw; align-items: center; margin: 28px 0 34px; }
.case-detail-main>div>span { color: var(--cobalt); font-size: 8px; letter-spacing: .14em; }
.case-detail-main h3 { max-width: 520px; margin: 10px 0 16px; font-size: clamp(42px,5vw,72px); font-weight: 350; line-height: .86; letter-spacing: 0; }
.case-detail-main a { display: inline-block; padding-bottom: 8px; color: #3c4b52; border-bottom: 1px solid rgba(17,27,32,.24); font-size: 9px; letter-spacing: .08em; text-transform: uppercase; }
.case-detail-main>p { max-width: 620px; margin: 0; font-size: clamp(18px,2vw,28px); line-height: 1.2; letter-spacing: 0; }
.case-detail-grid { display: grid; grid-template-columns: .8fr 1.2fr 1fr; border-top: 1px solid rgba(17,27,32,.16); }
.case-detail-grid article { min-height: 0; padding: 18px 24px 12px 0; border-right: 1px solid rgba(17,27,32,.12); }.case-detail-grid article+article { padding-left: 24px; }.case-detail-grid article:last-child { border-right: 0; }
.case-detail-grid span { color: var(--cobalt); font-size: 8px; letter-spacing: .13em; }.case-detail-grid p { margin: 22px 0 0; color: #4f5f66; font-size: 13px; line-height: 1.6; }
.case-detail-grid ul { margin: 16px 0 0; padding: 0; list-style: none; }.case-detail-grid li { padding: 7px 0; color: #4f5f66; border-bottom: 1px solid rgba(17,27,32,.1); font-size: 11px; }.case-detail-grid li::before { content: "↳"; margin-right: 9px; color: var(--cobalt); }
.case-evidence { margin: 18px 0 0; padding-top: 14px; color: #7b8589; border-top: 1px solid rgba(17,27,32,.1); font-size: 7px; letter-spacing: .04em; }

@keyframes caseDetailSwap { 0% { opacity: .15; transform: translateY(18px); } 100% { opacity: 1; transform: none; } }


.scene-transition.transition-case-archive {
  position: absolute;
  inset: 0 0 auto;
  height: max(940px,135svh);
  opacity: 1;
  color: #f7f8f6;
  background: transparent;
  perspective: 1500px;
  transform-style: preserve-3d;
}
.archive-transition-backdrop {
  display: none;
}
.archive-transition-grid {
  position: absolute;
  inset: 0;
  opacity: var(--archive-shell-opacity,1);
  background-image:
    linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(to bottom,black 0 62%,transparent 96%);
}
.archive-transition-grid::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg,transparent 22%,rgba(255,255,255,.065) 50%,transparent 74%);
  transform: translateX(var(--archive-grid-x,-48%));
}
.archive-transition-copy {
  position: absolute;
  z-index: 8;
  left: clamp(24px,6vw,96px);
  top: clamp(46px,8svh,82px);
  width: min(42vw,620px);
  opacity: var(--archive-copy-opacity,1);
  transform: translate3d(0,var(--archive-copy-y),80px);
  will-change: transform,opacity;
}
.archive-transition-copy small,
.archive-transition-copy em,
.archive-transition-index {
  font-size: clamp(8px,.72vw,11px);
  font-style: normal;
  letter-spacing: .17em;
}
.archive-transition-copy small { display: block; color: #b8efff; }
.archive-transition-copy strong {
  display: block;
  margin-top: 16px;
  font-size: clamp(54px,7.4vw,118px);
  font-weight: 650;
  line-height: .78;
  letter-spacing: -.025em;
}
.archive-transition-copy em { display: block; margin-top: 20px; color: rgba(255,255,255,.44); }
.case-flight-orbit {
  position: absolute;
  z-index: 4;
  left: var(--case-flight-left,73%);
  top: clamp(250px,38svh,360px);
  width: min(52vw,760px);
  aspect-ratio: 2.25 / 1;
  transform: translate(-50%,-50%) rotate(var(--archive-orbit-rotate,-18deg)) scale(var(--archive-orbit-scale,1.08));
  transform-style: preserve-3d;
  opacity: var(--archive-shell-opacity,1);
  will-change: transform;
}
.case-flight-orbit i {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(184,239,255,.15);
  border-radius: 50%;
}
.case-flight-orbit i:nth-child(2) { inset: 12%; border-color: rgba(255,255,255,.09); }
.case-flight-orbit i:nth-child(3) { inset: 25%; border-color: rgba(238,140,87,.12); }
.archive-transition-index {
  position: absolute;
  z-index: 8;
  left: clamp(24px,6vw,96px);
  right: clamp(24px,6vw,96px);
  bottom: clamp(24px,6svh,64px);
  padding-top: 14px;
  display: flex;
  justify-content: space-between;
  border-top: 1px solid rgba(255,255,255,.15);
  color: rgba(255,255,255,.42);
  opacity: var(--archive-shell-opacity,1);
}
.archive-transition-index b { color: #f7f8f6; font-weight: 500; }
.archive-transition-scan {
  position: absolute;
  z-index: 7;
  top: 0;
  bottom: 0;
  left: 0;
  width: 1px;
  background: linear-gradient(transparent,#b8efff 20% 80%,transparent);
  box-shadow: 0 0 28px 5px rgba(184,239,255,.18);
  opacity: var(--archive-shell-opacity,1);
  transform: translateX(var(--archive-scan-x,-34vw));
  will-change: transform;
}
.case-studies > .case-studies-head,
.case-studies > .case-detail {
  opacity: var(--case-content-opacity,1);
  clip-path: inset(0 var(--case-content-clip,0%) 0 0);
  translate: 0 var(--case-content-y,0);
  will-change: opacity,clip-path;
}

/* These are the real, clickable rail cards—there is no transition duplicate. */
.case-studies.case-flight-active .case-rail-wrap { opacity: 1; clip-path: none; translate: none; }
.case-studies.case-flight-active .case-rail {
  overflow: visible;
  scroll-behavior: auto;
  scroll-snap-type: none;
  pointer-events: none;
}
.case-studies.case-flight-active .case-tile:nth-child(-n+6) {
  opacity: var(--case-flight-opacity,1);
  transform: translate3d(var(--case-flight-x,0),var(--case-flight-y,0),var(--case-flight-z,0)) rotate(var(--case-flight-rotate,0deg)) scale(var(--case-flight-scale,1));
  transform-origin: center;
  will-change: transform,opacity;
}

/* The real cards continue the archive motion after the transition clears. */
.case-tile {
  opacity: var(--case-card-opacity,1);
  transform: translate3d(0,var(--case-card-y,0),0) rotateX(var(--case-card-tilt,0deg)) scale(var(--case-card-scale,1));
  transform-origin: center bottom;
  will-change: transform,opacity;
}
.case-tile:hover,
.case-tile.is-active {
  transform: translate3d(0,calc(var(--case-card-y,0px) - 8px),0) rotateX(var(--case-card-tilt,0deg)) scale(var(--case-card-scale,1));
}
.case-studies.case-flight-landed .case-tile { opacity: 1; transform: none !important; }
.case-studies.case-flight-landed .case-tile:hover,
.case-studies.case-flight-landed .case-tile.is-active { transform: translateY(-8px) !important; }


#case-studies { --brand-blue:#b8efff; --cobalt:#2c62d6; --ease:cubic-bezier(.2,.7,.2,1); padding-block:40px 70px; scroll-margin-top:86px; isolation:isolate; }
#case-studies .section-pad { padding-inline:var(--page); }
#case-studies .scene-label { display:flex; justify-content:space-between; padding-bottom:16px; border-bottom:1px solid #ffffff30; font-size:10px; }
#case-studies .scene-transition.transition-case-archive { display:block!important; pointer-events:none; z-index:1; }
#case-studies .case-rail { position:relative; }
#case-studies .case-rail-wrap { z-index:2; }
#case-studies.case-flight-active .case-tile { transition:none; }
#case-studies.case-flight-active .case-tile:nth-child(n+7) { visibility:hidden; }
#case-studies.case-flight-active .case-rail-wrap::before,#case-studies.case-flight-active .case-rail-wrap::after { opacity:0; }
#case-studies .case-studies-heading h2 { font-size:clamp(48px,7vw,100px); white-space:normal; letter-spacing:-.04em; }
@media(max-width:820px) {
.case-studies-heading,.case-detail-main,.case-detail-grid { grid-template-columns:1fr; }
.case-studies-heading-minimal .case-rail-controls,.case-studies-heading-minimal .case-studies-intro { grid-column:1; grid-row:auto; }
.case-tile { flex-basis:76vw; }
.case-detail-grid article+article { padding-left:0; }.case-detail-grid article { border-right:0; }
.archive-transition-copy { width:calc(100% - 48px); }.archive-transition-copy strong { font-size:clamp(48px,13vw,76px); }
.case-flight-orbit { width:108vw; }
}
@media(prefers-reduced-motion:reduce) {
#case-studies .scene-transition.transition-case-archive { display:none!important; }
#case-studies .case-tile { opacity:1!important; transform:none!important; }
#case-studies>.case-studies-head,#case-studies>.case-detail { opacity:1!important; clip-path:none!important; }
}
/* Final authored archive palette and readable card labels. */
#case-studies {background:linear-gradient(to bottom,transparent 72%,#080a0a),radial-gradient(circle at 78% 12%,#ffffff12,transparent 28%),radial-gradient(circle at 14% 42%,#ffffff0b,transparent 34%),linear-gradient(145deg,#0e0f0e,#242624 52%,#080a0a);}
.case-tile {display:flex;flex-direction:column;}
.case-tile>strong {font-size:clamp(32px,2.7vw,43px);line-height:.94;letter-spacing:-.025em;margin:auto 0 65px;}
.case-tile>span,.case-tile>i {font-size:9px;}
.case-tile>small {font-size:12px;}
.case-rail-wrap::before {background:linear-gradient(90deg,#151715,transparent);}.case-rail-wrap::after {background:linear-gradient(-90deg,#151715,transparent);}
@media(max-width:700px) {.case-tile {min-height:355px;}.case-tile>strong {font-size:34px;}.case-rail-wrap::before,.case-rail-wrap::after {display:none;}}