/* ============================================================
   AVREA - case study view
   ============================================================ */
.cs-root{
  /* The overlay carries the opaque, page-covering background, so it must NEVER fade
     its OWN opacity on open — fading the bg-carrier makes the whole overlay
     semi-transparent and the grid behind shows through (the Firefox open-flash).
     Show/hide via VISIBILITY and keep opacity:1; the entrance fade+rise runs on the
     inner .cs-content wrapper instead (see playOpen). Close still fades opacity 1->0
     via WAAPI to dissolve the overlay, which is the intended reveal. */
  position:fixed; inset:0; z-index:200; background:var(--bg);
  opacity:1; visibility:hidden;
  transition:visibility 0s linear .4s;
}
.cs-root.open{ visibility:visible; transition:visibility 0s; }

/* dark veil for the zoom + crossfade open: sits above the grid, below the overlay,
   so the tile can press in under a dimming page before the panel rises over it. */
.cs-veil{ position:fixed; inset:0; z-index:195; background:#0E0E0E; opacity:0; pointer-events:none; will-change:opacity; }

/* ============================================================
   per-project DARK theme - applied ONLY when a project sets theme:'dark'
   (currently Mono Keyboard). Pure CSS-variable swap so every token-based
   element re-themes at once; the main site behind stays light.
   ============================================================ */
.cs-root.cs-dark{
  --bg:        #0E0E0E;
  --surface:   #1A1A1A;
  --surface-2: #232323;
  --ink:       #FAFAF9;
  --muted:     #B4B0A8;
  --faint:     #8F8B82;
  --line:      rgba(255,255,255,0.08);
  --line-2:    rgba(255,255,255,0.15);
  --accent:    #A8A2A2;          /* light grey accent - reads on the dark overlay */
  --shadow:    0 4px 24px -8px rgba(0,0,0,0.5);
  --shadow-lift: 0 18px 48px -16px rgba(0,0,0,0.6);
}
.cs-dark .cs-bar{ background:rgba(14,14,14,0.8); border-bottom-color:var(--line); }
/* media placeholders stay dark-on-dark (already), so no white flash while gifs load */
.cs-dark .cs-media, .cs-dark .cs-media-gif{ background:#161616; }

/* ============================================================
   CRIMSON theme - extends .cs-dark with a deep crimson gradient backdrop.
   Applied alongside .cs-dark for the Crimson Temptress case study.
   ============================================================ */
.cs-root.cs-crimson{
  --bg:        #14060A;
  --surface:   #2C0E15;
  --surface-2: #3B141C;
  --ink:       #FBEEF0;
  --muted:     #D6AAB1;
  --faint:     #9C737B;
  --line:      rgba(235,180,190,0.10);
  --line-2:    rgba(235,180,190,0.18);
  --accent:    #E0556A;          /* crimson accent - pairs with the deep red */
  background:
    radial-gradient(125% 85% at 50% -12%, #5A1322 0%, #3A0D18 30%, #220910 66%, #140509 100%);
  background-attachment:fixed;
}
.cs-crimson .cs-bar{ background:rgba(20,6,10,0.80); border-bottom-color:var(--line); }
.cs-crimson .cs-media, .cs-crimson .cs-media-gif{ background:#220910; }
/* keep section surfaces translucent so the gradient reads through the page */
.cs-crimson .cs-callout{ background:rgba(44,14,21,0.5); }

/* ============================================================
   COBALT theme - extends .cs-dark with a deep-blue→black gradient.
   Applied alongside .cs-dark for the Apple Vision Pro case study.
   ============================================================ */
.cs-root.cs-cobalt{
  --bg:        #04060A;
  --surface:   #0D131F;
  --surface-2: #131C2C;
  --ink:       #EEF3FB;
  --muted:     #A4B0C6;
  --faint:     #74809A;
  --line:      rgba(200,215,255,0.10);
  --line-2:    rgba(200,215,255,0.18);
  --accent:    #5B8DEF;          /* cobalt accent for this project */
  background:
    radial-gradient(125% 85% at 50% -12%, #163A78 0%, #0E2550 26%, #081428 58%, #04060A 100%);
  background-attachment:fixed;
}
.cs-cobalt .cs-bar{ background:rgba(4,6,10,0.78); border-bottom-color:var(--line); }
.cs-cobalt .cs-media, .cs-cobalt .cs-media-gif{ background:#0A111E; }
.cs-cobalt .cs-callout{ background:rgba(19,28,44,0.5); }

/* ============================================================
   GRAPHITE theme - extends .cs-dark with a grey→black gradient.
   Applied alongside .cs-dark for the Mono Keyboard case study.
   ============================================================ */
.cs-root.cs-graphite{
  --bg:        #0A0A0B;
  background:
    radial-gradient(125% 85% at 50% -12%, #3A3A3E 0%, #26262A 26%, #141416 58%, #0A0A0B 100%);
  background-attachment:fixed;
}
.cs-graphite .cs-bar{ background:rgba(10,10,11,0.78); border-bottom-color:var(--line); }
.cs-graphite .cs-media, .cs-graphite .cs-media-gif{ background:#161618; }
.cs-graphite .cs-callout{ background:rgba(38,38,42,0.5); }
/* neutral theme → the "THE CHALLENGE" eyebrow reads grey, not caramel */
.cs-graphite .cs-callout-k{ color:var(--muted); }
.cs-scroll{ position:absolute; inset:0; overflow-y:auto; overflow-x:hidden; -webkit-overflow-scrolling:touch; scrollbar-width:none; -ms-overflow-style:none; }
.cs-scroll::-webkit-scrollbar{ width:0; height:0; display:none; }
body.cs-open{ position:fixed; left:0; right:0; width:100%; overflow:hidden; }
@media (prefers-reduced-motion: reduce){
  /* instant show/hide via visibility — never fade the opaque bg-carrier (no flash) */
  .cs-root{ transition:visibility 0s linear .2s; }
  .cs-root.open{ transition:visibility 0s; }
}

/* sticky mini header */
.cs-bar{
  position:sticky; top:0; z-index:20; display:flex; align-items:center; justify-content:space-between; gap:16px;
  padding:14px clamp(18px,3.4vw,48px);
  background:rgba(250,250,249,0.78); -webkit-backdrop-filter:saturate(180%) blur(20px); backdrop-filter:saturate(180%) blur(20px);
  border-bottom:1px solid var(--line);
}
.cs-bar-l{ display:flex; align-items:baseline; gap:14px; min-width:0; }
.cs-bar-title{ font-family:var(--font-display); font-weight:500; font-size:16px; letter-spacing:-0.02em; color:var(--ink); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.cs-bar-pos{ font-family:var(--font-mono); font-weight:600; font-size:12px; letter-spacing:0.06em; color:var(--muted); flex:0 0 auto; }
.cs-close{ width:40px; height:40px; padding:0; border-radius:50%; box-sizing:border-box; flex:0 0 auto;
  display:inline-flex; align-items:center; justify-content:center; color:var(--ink); cursor:pointer;
  background:rgba(255,255,255,0.06); border:1px solid rgba(255,255,255,0.22);
  -webkit-backdrop-filter:blur(6px); backdrop-filter:blur(6px);
  transition:transform .22s cubic-bezier(.22,1,.36,1), background .2s ease, border-color .2s ease; }
.cs-close svg{ width:16px; height:16px; }
.cs-close:hover{ background:rgba(255,255,255,0.13); border-color:rgba(255,255,255,0.6); transform:scale(1.08); }
.cs-close:focus-visible{ outline:2px solid rgba(255,255,255,0.85); outline-offset:3px; }

/* shared section bits */
.cs-eyebrow{ font-family:var(--font-display); font-weight:600; font-size:12px; letter-spacing:0.16em; text-transform:uppercase; color:var(--accent); }
.cs-no{ font-family:var(--font-display); font-weight:600; font-size:12px; letter-spacing:0.08em; color:var(--muted); }
.cs-sec-head{ display:flex; align-items:center; gap:14px; margin-bottom:clamp(16px,2vw,24px); }
.cs-h2{
  font-family:var(--font-display); font-weight:500; font-size:clamp(30px,4.6vw,62px);
  letter-spacing:-0.035em; line-height:0.98; color:var(--ink); margin-bottom:clamp(26px,3.2vw,44px); text-wrap:balance;
}

/* hero */
.cs-hero{ max-width:1320px; margin:0 auto; padding:clamp(40px,6vw,84px) clamp(18px,3.4vw,48px) 0; }
.cs-hero-top{ display:flex; align-items:baseline; justify-content:space-between; gap:20px; flex-wrap:wrap; padding-bottom:22px; border-bottom:1px solid var(--line); }
.cs-metarow{ font-family:var(--font-mono); font-weight:600; font-size:12.5px; letter-spacing:0.04em; color:var(--muted); display:flex; align-items:center; gap:9px; flex-wrap:wrap; }
.cs-dot{ color:var(--faint); }
.cs-title{ font-family:var(--font-display); font-weight:500; font-size:clamp(44px,9vw,128px); letter-spacing:-0.04em; line-height:0.92; color:var(--ink); margin:clamp(26px,4vw,52px) 0 0; text-wrap:balance; }
.cs-lede{ font-family:var(--font-display); font-weight:400; font-size:clamp(18px,2vw,27px); line-height:1.4; letter-spacing:-0.015em; color:var(--muted); max-width:50ch; margin:24px 0 clamp(34px,4vw,54px); text-wrap:balance; }

/* body / sections */
.cs-body{ max-width:1320px; margin:0 auto; padding:0 clamp(18px,3.4vw,48px); }
.cs-sec{ padding:clamp(48px,7vw,104px) 0; border-top:1px solid var(--line); }
.cs-prose{ max-width:62ch; }
.cs-prose p{ font-family:var(--font-body); font-weight:350; font-size:clamp(16px,1.4vw,19px); line-height:1.62; color:var(--ink); }
.cs-prose p + p{ margin-top:1.1em; }
.cs-prose-2{ columns:2; column-gap:56px; max-width:none; }
.cs-prose-2 p{ break-inside:avoid; }
.cs-prose-2 p + p{ margin-top:1.1em; }
@media (max-width:760px){ .cs-prose-2{ columns:1; } }

.cs-callout{ margin-top:34px; padding:26px 28px; border-radius:var(--radius); background:var(--surface); border:1px solid var(--line); max-width:62ch; }
.cs-callout-k{ font-family:var(--font-mono); font-weight:600; font-size:11px; letter-spacing:0.14em; text-transform:uppercase; color:var(--accent); display:block; margin-bottom:10px; }
.cs-callout p{ font-family:var(--font-display); font-weight:400; font-size:clamp(18px,1.8vw,23px); line-height:1.4; letter-spacing:-0.015em; color:var(--ink); }

.cs-note{ font-family:var(--font-body); font-weight:350; font-size:15.5px; line-height:1.6; color:var(--muted); max-width:58ch; margin-top:26px; }
.cs-quote{ font-family:var(--font-display); font-weight:450; font-size:clamp(24px,3.4vw,44px); letter-spacing:-0.03em; line-height:1.12; color:var(--ink); max-width:20ch; margin-top:44px; text-wrap:balance; }
.cs-quote::before{ content:"“"; color:var(--accent); }
.cs-quote::after{ content:"”"; color:var(--accent); }

/* media */
.cs-fig{ margin:0; }
.cs-media{ position:relative; overflow:hidden; border-radius:18px; background:var(--card-dark); box-shadow:var(--shadow); }
.cs-fig.is-full .cs-media{ border-radius:22px; box-shadow:var(--shadow-lift); }
.cs-img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; display:block; z-index:1; }
.cs-img:not([src]), .cs-img[src=""]{ display:none; }
.cs-fill{ position:absolute; inset:0; z-index:0;
  background:
    radial-gradient(85% 100% at 62% 26%, var(--glow,rgba(255,255,255,0.16)) 0%, transparent 56%),
    radial-gradient(70% 90% at 14% 96%, rgba(154,154,154,0.08) 0%, transparent 62%),
    repeating-linear-gradient(135deg, rgba(255,255,255,0.022) 0 2px, transparent 2px 12px),
    var(--card-dark);
}
.cs-ph{ position:absolute; left:50%; top:50%; transform:translate(-50%,-50%); z-index:2; text-align:center;
  font-family:var(--font-mono); font-weight:600; font-size:11px; letter-spacing:0.16em; text-transform:uppercase; color:rgba(255,255,255,0.30); line-height:1.8; pointer-events:none; }
.cs-ph span{ display:block; font-size:10px; color:rgba(255,255,255,0.18); letter-spacing:0.1em; }
.cs-media:has(.cs-img[src]:not([src=""])) .cs-fill,
.cs-media:has(.cs-img[src]:not([src=""])) .cs-ph{ display:none; }
/* embedded Google Drive film */
.cs-media-video{ overflow:hidden; }
.cs-media-video .cs-video-embed{ position:absolute; inset:0; width:100%; height:100%; border:0; display:block; z-index:3; }
/* YouTube film container */
.cs-media-yt{ position:relative; }

/* click-to-play poster facade */
.cs-video-poster{
  position:absolute; inset:0; z-index:3; width:100%; height:100%; padding:0; cursor:pointer;
  border:0; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:18px;
  background-color:#0c0c0e; background-size:cover; background-position:center;
  transition:filter .4s ease;
}
.cs-video-poster::after{
  content:""; position:absolute; inset:0; z-index:0;
  background:linear-gradient(180deg, rgba(8,8,10,0.18) 0%, rgba(8,8,10,0.42) 100%);
  transition:background .4s ease;
}
.cs-video-poster:hover::after{ background:linear-gradient(180deg, rgba(8,8,10,0.10) 0%, rgba(8,8,10,0.34) 100%); }
.cs-play{
  position:relative; z-index:1; width:78px; height:78px; border-radius:999px;
  display:flex; align-items:center; justify-content:center;
  background:rgba(255,255,255,0.14); border:1px solid rgba(255,255,255,0.5);
  -webkit-backdrop-filter:blur(8px); backdrop-filter:blur(8px);
  color:#fff; box-shadow:0 10px 40px rgba(0,0,0,0.4);
  transition:transform .35s cubic-bezier(.22,1,.36,1), background .3s ease;
}
.cs-play svg{ width:30px; height:30px; margin-left:4px; }
.cs-video-poster:hover .cs-play{ transform:scale(1.08); background:rgba(255,255,255,0.24); }
.cs-play-label{
  position:relative; z-index:1; font-family:var(--font-mono); font-weight:600;
  font-size:11px; letter-spacing:0.16em; text-transform:uppercase; color:#fff;
}
@media (prefers-reduced-motion: reduce){
  .cs-play, .cs-video-poster, .cs-video-poster::after{ transition:none; }
}
.cs-tag{ position:absolute; top:14px; left:14px; z-index:3; font-family:var(--font-mono); font-weight:600; font-size:10.5px; letter-spacing:0.12em; text-transform:uppercase; color:rgba(255,255,255,0.85); background:rgba(10,10,12,0.4); border:1px solid rgba(255,255,255,0.18); padding:5px 11px; border-radius:999px; -webkit-backdrop-filter:blur(8px); backdrop-filter:blur(8px); }
.cs-cap{ display:flex; align-items:center; gap:9px; margin-top:13px; font-family:var(--font-mono); font-weight:600; font-size:12px; letter-spacing:0.03em; color:var(--muted); }
.cs-cap-dot{ width:5px; height:5px; border-radius:999px; background:var(--accent); flex:0 0 auto; }

/* grids */
.cs-grid{ display:grid; gap:clamp(16px,1.8vw,24px); }
.cs-grid-4{ grid-template-columns:repeat(4,1fr); }
.cs-grid-3{ grid-template-columns:repeat(3,1fr); }
.cs-grid-2{ grid-template-columns:repeat(2,1fr); }
.cs-compare-stills{ margin-bottom:clamp(16px,1.8vw,24px); }
@media (max-width:900px){ .cs-grid-4{ grid-template-columns:repeat(2,1fr); } .cs-grid-3{ grid-template-columns:1fr; } }
@media (max-width:620px){ .cs-grid-4{ grid-template-columns:1fr 1fr; } .cs-grid-2{ grid-template-columns:1fr; } }

/* numbered BTS notes */
.cs-steps{ list-style:none; margin:40px 0 0; display:grid; grid-template-columns:1fr 1fr; gap:22px 56px; max-width:none; }
.cs-steps li{ display:grid; grid-template-columns:auto 1fr; gap:16px; padding-top:18px; border-top:1px solid var(--line); }
.cs-step-no{ font-family:var(--font-mono); font-weight:600; font-size:13px; color:var(--accent); }
.cs-steps p{ font-family:var(--font-body); font-weight:350; font-size:15px; line-height:1.55; color:var(--muted); }
@media (max-width:760px){ .cs-steps{ grid-template-columns:1fr; } }

/* finals - alternate full-bleed / contained */
.cs-finals{ display:flex; flex-direction:column; gap:clamp(20px,3vw,44px); }
.cs-finals .cs-fig.is-full .cs-media{ }
.cs-finals .cs-fig:not(.is-full){ max-width:1040px; align-self:center; width:100%; }

/* motion gallery - 2×2 grid of looping clips (behave like gifs) */
.cs-motion-grid{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(16px,1.8vw,24px); }
@media (max-width:700px){ .cs-motion-grid{ grid-template-columns:1fr; } }
.cs-motion-grid .cs-tile{ margin:0; min-width:0; }
.cs-motion-vid{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; display:block; z-index:1; background:#0c0c0e; }

/* photo gallery - hero full-width still, then a 2-up grid of the rest */
.cs-photos{ display:flex; flex-direction:column; gap:clamp(20px,3vw,44px); }
.cs-photo-row{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(16px,1.8vw,24px); }
.cs-photo-grid{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(16px,1.8vw,24px); align-items:start; }
.cs-photos .cs-fig{ min-width:0; }
/* full-width animated gif - natural aspect ratio (no fixed crop, no freeze) */
.cs-media-gif{ position:relative; overflow:hidden; border-radius:22px; background:var(--card-dark); box-shadow:var(--shadow-lift); }
.cs-gif{ display:block; width:100%; height:auto; }
/* gif used as a fixed-aspect grid cell - aspect set inline (4:3 small, 16:9 span) */
.cs-gif-cell .cs-gif{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
/* breakdown - full content-width gif block (aligns with the section header) */
.cs-fig-break{ max-width:100%; margin-left:0; margin-right:0; }

/* ============================================================
   Before / after comparison slider
   ============================================================ */
.cs-compare{
  position:relative; width:100%; overflow:hidden;
  border-radius:1.5rem; background:var(--card-dark);
  box-shadow:var(--shadow-lift); cursor:ew-resize;
  user-select:none; -webkit-user-select:none; touch-action:none;
}
.cs-cmp-img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; display:block; }
.cs-cmp-after{ z-index:1; }
/* the BEFORE layer is clipped from the right edge to the handle position */
.cs-cmp-clip{ position:absolute; inset:0; z-index:2; clip-path:inset(0 calc(100% - var(--x,50%)) 0 0); will-change:clip-path; }
.cs-compare:not(.is-dragging) .cs-cmp-clip{ transition:clip-path .12s ease; }
.cs-cmp-clip .cs-cmp-img{ z-index:auto; }
/* placeholder layer */
.cs-cmp-ph{ display:grid; place-items:center; }
.cs-cmp-after.cs-cmp-ph{ background:var(--card-dark); }
.cs-cmp-clip .cs-cmp-ph{ background:color-mix(in srgb, var(--accent) 7%, var(--card-dark)); }

/* labels */
.cs-cmp-lab{
  position:absolute; top:16px; z-index:4; pointer-events:none;
  font-family:var(--font-mono); font-weight:600; font-size:10.5px;
  letter-spacing:0.13em; text-transform:uppercase; color:#fff;
  background:rgba(8,8,10,0.46); -webkit-backdrop-filter:blur(6px); backdrop-filter:blur(6px);
  border:1px solid rgba(255,255,255,0.16); border-radius:999px; padding:6px 12px;
  transition:opacity .25s ease;
}
.cs-cmp-lab-l{ left:16px; }
.cs-cmp-lab-r{ right:16px; }

/* handle */
.cs-cmp-handle{
  position:absolute; top:0; bottom:0; left:var(--x,50%); z-index:5;
  transform:translateX(-50%); width:48px; display:flex; align-items:center; justify-content:center;
  pointer-events:none;
}
.cs-compare:not(.is-dragging) .cs-cmp-handle{ transition:left .12s ease; }
.cs-cmp-line{ position:absolute; top:0; bottom:0; left:50%; width:2px; transform:translateX(-50%); background:rgba(255,255,255,0.9); box-shadow:0 0 12px rgba(0,0,0,0.4); }
.cs-cmp-grab{
  position:relative; pointer-events:auto; cursor:ew-resize;
  width:46px; height:46px; border-radius:999px;
  display:flex; align-items:center; justify-content:center;
  background:rgba(255,255,255,0.92); color:#111; border:1px solid rgba(255,255,255,0.9);
  box-shadow:0 6px 22px rgba(0,0,0,0.34); transition:transform .18s ease, background .18s ease;
}
.cs-cmp-grab:hover{ transform:scale(1.06); }
.cs-compare.is-dragging .cs-cmp-grab{ transform:scale(1.1); background:#fff; }
.cs-cmp-grab:focus-visible{ outline:2px solid var(--accent); outline-offset:3px; }
@media (max-width:620px){
  .cs-cmp-lab{ font-size:9px; padding:5px 9px; top:11px; }
  .cs-cmp-lab-l{ left:11px; } .cs-cmp-lab-r{ right:11px; }
  .cs-cmp-grab{ width:40px; height:40px; }
}
@media (prefers-reduced-motion: reduce){
  .cs-cmp-clip, .cs-cmp-handle, .cs-cmp-grab{ transition:none; }
}
@media (max-width:760px){ .cs-fig-break{ max-width:100%; } }
@media (max-width:620px){
  .cs-photo-row{ grid-template-columns:1fr; }
  .cs-photo-grid{ grid-template-columns:1fr; }
}

/* breakdown - two side-by-side looping slots */
.cs-break-grid{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(16px,1.8vw,24px); }
.cs-break-grid .cs-tile{ margin:0; min-width:0; }
@media (max-width:700px){ .cs-break-grid{ grid-template-columns:1fr; } }

/* specs - refined dotted-leader list (no boxes) */
.cs-specs{ margin:0; max-width:760px; }
.cs-spec{ display:flex; align-items:baseline; gap:14px; padding:clamp(12px,1.3vw,17px) 0; border-bottom:1px solid var(--line); }
.cs-spec:first-child{ border-top:1px solid var(--line); }
.cs-spec-k{ flex:none; font-family:var(--font-display,'Space Grotesk',sans-serif); font-weight:600; font-size:12px; letter-spacing:0.08em; text-transform:uppercase; color:var(--muted); }
.cs-spec-dots{ flex:1 1 auto; min-width:24px; align-self:center; height:0; border-bottom:1.5px dotted var(--line-2); transform:translateY(2px); }
.cs-spec-v{ flex:none; margin:0; font-family:var(--font-body,'Inter',sans-serif); font-size:15px; color:var(--ink); text-align:right; }
@media (max-width:480px){
  .cs-spec{ flex-wrap:wrap; gap:4px 14px; }
  .cs-spec-dots{ display:none; }
  .cs-spec-v{ text-align:left; }
}

/* reel */
.cs-reel{ cursor:default; }
.cs-play{ position:absolute; left:50%; top:50%; transform:translate(-50%,-50%); z-index:3; width:64px; height:64px; border-radius:999px; background:rgba(255,255,255,0.12); border:1px solid rgba(255,255,255,0.4); -webkit-backdrop-filter:blur(6px); backdrop-filter:blur(6px); display:flex; align-items:center; justify-content:center; color:#fff; font-size:20px; padding-left:4px; }
.cs-media:has(.cs-img[src]:not([src=""])) .cs-play{ display:none; }

/* credits */
.cs-credits{ max-width:1320px; margin:0 auto; padding:clamp(48px,6vw,92px) clamp(18px,3.4vw,48px); border-top:1px solid var(--line); }
.cs-credit-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:0; border-top:1px solid var(--line); }
.cs-credit{ display:flex; flex-direction:column; gap:8px; padding:24px 22px; border-bottom:1px solid var(--line); }
.cs-credit:not(:nth-child(3n)){ border-right:1px solid var(--line); }
.cs-credit .k{ font-family:var(--font-mono); font-weight:600; font-size:10.5px; letter-spacing:0.14em; text-transform:uppercase; color:var(--faint); }
.cs-credit .v{ font-family:var(--font-display); font-size:17px; letter-spacing:-0.01em; color:var(--ink); }
.cs-disc{ font-family:var(--font-mono); font-weight:600; font-size:11.5px; letter-spacing:0.04em; color:var(--muted); margin-top:24px; }
@media (max-width:760px){ .cs-credit-grid{ grid-template-columns:1fr; } .cs-credit{ border-right:none !important; } }

/* footer nav */
.cs-foot{ max-width:1320px; margin:0 auto; padding:clamp(34px,4vw,56px) clamp(18px,3.4vw,48px) clamp(54px,7vw,96px); display:flex; align-items:center; justify-content:space-between; gap:24px; border-top:1px solid var(--line); flex-wrap:wrap; }
.cs-foot-back{ font-family:var(--font-body); font-size:15px; font-weight:500; color:var(--muted); background:none; border:none; cursor:pointer; padding:8px 0; transition:color .2s ease; }
.cs-foot-back:hover{ color:var(--ink); }
.cs-foot-next{ text-align:right; background:none; border:none; cursor:pointer; padding:8px 0; display:flex; flex-direction:column; gap:7px; align-items:flex-end; group:nav; }
.cs-foot-k{ font-family:var(--font-mono); font-weight:600; font-size:11px; letter-spacing:0.14em; text-transform:uppercase; color:var(--faint); }
.cs-foot-name{ font-family:var(--font-display); font-weight:500; font-size:clamp(24px,3.4vw,40px); letter-spacing:-0.03em; color:var(--ink); transition:color .2s ease; }
.cs-foot-ar{ color:var(--accent); display:inline-block; transition:transform .25s ease; }
.cs-foot-next:hover .cs-foot-name{ color:var(--accent); }
.cs-foot-next:hover .cs-foot-ar{ transform:translateX(5px); }
.cs-foot-back:focus-visible, .cs-foot-next:focus-visible{ outline:2px solid var(--accent); outline-offset:3px; border-radius:4px; }

/* ============================================================
   narrative template - two-col overview · placeholders · breakdown
   ============================================================ */

/* two-column editorial overview (label left, copy right) */
.cs-twocol{ display:grid; grid-template-columns:minmax(0,0.4fr) minmax(0,1fr); gap:clamp(24px,4vw,72px); align-items:start; }
.cs-twocol-k{ font-family:var(--font-display); font-weight:600; font-size:12px; letter-spacing:0.16em; text-transform:uppercase; color:var(--faint); position:sticky; top:84px; }
.cs-twocol-r{ min-width:0; }
@media (max-width:760px){ .cs-twocol{ grid-template-columns:1fr; gap:18px; } .cs-twocol-k{ position:static; } }

/* compact, swapped brief - challenge LEFT, copy RIGHT */
.cs-sec--brief{ padding-top:clamp(40px,5vw,72px); padding-bottom:clamp(40px,5vw,72px); }
.cs-sec--brief .cs-h2{ font-size:clamp(26px,3.6vw,46px); margin-bottom:clamp(20px,2.4vw,32px); }
.cs-twocol-brief{ grid-template-columns:minmax(0,0.86fr) minmax(0,1fr); align-items:start; }
.cs-twocol-brief .cs-twocol-r{ padding-top:2px; }
.cs-callout--compact{ margin-top:0; padding:20px 22px; max-width:none; }
.cs-callout--compact p{ font-family:var(--font-body); font-weight:350; font-size:clamp(15px,1.4vw,17px); line-height:1.55; letter-spacing:0; }
@media (max-width:760px){ .cs-twocol-brief{ grid-template-columns:1fr; gap:20px; } }
/* solo brief — overview only (no challenge callout): one readable column */
.cs-twocol-solo .cs-prose{ max-width:72ch; }
.cs-twocol-solo .cs-prose p{ font-size:clamp(17px,1.5vw,21px); line-height:1.6; }

/* placeholder flag + muted placeholder copy */
.cs-flag{ display:inline-block; vertical-align:middle; font-family:var(--font-display); font-weight:600; font-size:9.5px; letter-spacing:0.14em; text-transform:uppercase; color:var(--accent); background:var(--accent-soft); border:1px solid rgba(154,154,154,0.28); padding:2px 8px; border-radius:999px; margin-right:8px; transform:translateY(-1px); }
.cs-ph-copy{ font-family:var(--font-body); font-weight:350; font-size:clamp(16px,1.4vw,19px); line-height:1.62; color:var(--muted); }
.cs-prose .cs-ph-copy{ margin:0; }

/* breakdown facts grid */
.cs-facts{ display:grid; grid-template-columns:repeat(3,1fr); gap:0; border-top:1px solid var(--line); }
.cs-fact{ display:flex; flex-direction:column; gap:9px; padding:24px 22px; border-bottom:1px solid var(--line); }
.cs-fact:not(:nth-child(3n)){ border-right:1px solid var(--line); }
.cs-fact .k{ font-family:var(--font-display); font-weight:600; font-size:10.5px; letter-spacing:0.14em; text-transform:uppercase; color:var(--faint); }
.cs-fact .v{ font-family:var(--font-display); font-weight:500; font-size:clamp(16px,1.5vw,20px); letter-spacing:-0.01em; color:var(--ink); }
@media (max-width:760px){ .cs-facts{ grid-template-columns:1fr 1fr; } .cs-fact:nth-child(2n){ border-right:none; } .cs-fact:not(:nth-child(3n)){ border-right:1px solid var(--line); } .cs-fact:nth-child(2n){ border-right:none !important; } }
@media (max-width:480px){ .cs-facts{ grid-template-columns:1fr; } .cs-fact{ border-right:none !important; } }

/* ============================================================
   "Still working on this" - in-production / under-construction state
   ============================================================ */
/* small status tag in the hero meta row */
.cs-wip-tag{
  display:inline-flex; align-items:center; gap:7px;
  font-family:var(--font-mono); font-weight:600; font-size:11.5px; letter-spacing:0.08em;
  text-transform:uppercase; color:var(--accent);
}
.cs-wip-tag-dot{ width:7px; height:7px; border-radius:50%; background:var(--accent); box-shadow:0 0 0 0 var(--accent); animation:csWipPulse 1.9s ease-out infinite; }

/* the banner above the hero image */
.cs-wip{
  display:flex; align-items:flex-start; gap:16px;
  margin:clamp(22px,3vw,34px) 0 clamp(26px,3.6vw,40px);
  padding:18px 22px 18px 20px;
  border:1px solid var(--line-2); border-radius:14px;
  background:
    repeating-linear-gradient(-45deg, color-mix(in srgb, var(--accent) 13%, transparent) 0 10px, transparent 10px 20px) left/8px 100% no-repeat,
    color-mix(in srgb, var(--accent) 7%, var(--surface));
  position:relative; overflow:hidden;
}
.cs-wip::before{
  content:""; position:absolute; left:0; top:0; bottom:0; width:5px;
  background:repeating-linear-gradient(-45deg, var(--accent) 0 6px, color-mix(in srgb, var(--accent) 30%, transparent) 6px 12px);
}
.cs-wip-dot{
  flex:0 0 auto; width:11px; height:11px; margin-top:5px; border-radius:50%;
  background:var(--accent); box-shadow:0 0 0 0 color-mix(in srgb, var(--accent) 70%, transparent);
  animation:csWipPulse 1.9s ease-out infinite;
}
.cs-wip-txt{ display:flex; flex-direction:column; gap:5px; min-width:0; }
.cs-wip-k{ font-family:var(--font-display); font-weight:600; font-size:clamp(15px,1.5vw,18px); letter-spacing:-0.01em; color:var(--ink); }
.cs-wip-d{ font-family:var(--font-body); font-weight:350; font-size:clamp(13.5px,1.2vw,15px); line-height:1.55; color:var(--muted); max-width:64ch; text-wrap:pretty; }
@keyframes csWipPulse{
  0%{ box-shadow:0 0 0 0 color-mix(in srgb, var(--accent) 60%, transparent); }
  70%{ box-shadow:0 0 0 9px color-mix(in srgb, var(--accent) 0%, transparent); }
  100%{ box-shadow:0 0 0 0 color-mix(in srgb, var(--accent) 0%, transparent); }
}
@media (prefers-reduced-motion: reduce){ .cs-wip-dot, .cs-wip-tag-dot{ animation:none; } }

/* under-construction page - soft light-blue gradient wash (echoes the sky in the renders) */
.cs-root.cs-wip-page{
  /* dark Aston Martin racing-green backdrop */
  --bg:        #080D0B;
  --surface:   #141D18;
  --surface-2: #1D2A23;
  --ink:       #EEF4F0;
  --muted:     #A6B7AE;
  --faint:     #71837A;
  --line:      rgba(180,225,205,0.10);
  --line-2:    rgba(180,225,205,0.18);
  --accent:    #2E9E6F;          /* Aston Martin racing green, lifted for dark */
  background:
    radial-gradient(125% 85% at 50% -12%, #143D30 0%, #0E2A22 26%, #0A1A16 58%, #070D0B 100%);
  background-attachment:fixed;
}
/* keep the sticky header reading as a solid bar over the wash */
.cs-wip-page .cs-bar{ background:rgba(8,13,11,0.82); border-bottom-color:var(--line); backdrop-filter:saturate(1.3) blur(10px); }
.cs-wip-page .cs-media, .cs-wip-page .cs-media-gif{ background:#0F1714; }

/* ============================================================
   Process - production plan (scene sequence + weekly schedule)
   ============================================================ */
.cs-process-intro{ max-width:72ch; }
.cs-scene-flow{ display:grid; grid-template-columns:repeat(4,1fr); gap:clamp(12px,1.4vw,18px); margin:clamp(22px,2.6vw,32px) 0 clamp(30px,3.4vw,44px); }
.cs-scene{ display:flex; flex-direction:column; gap:13px; }
.cs-scene-media{ position:relative; aspect-ratio:16/10; border-radius:12px; overflow:hidden; background:var(--surface); border:1px solid var(--line); }
.cs-scene-no{ position:absolute; left:12px; top:10px; z-index:2; font-family:var(--font-mono); font-weight:700; font-size:12px; letter-spacing:0.08em; color:var(--accent); text-shadow:0 1px 4px rgba(0,0,0,0.5); }
.cs-scene-img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; display:block; }
.cs-scene-meta{ display:flex; flex-direction:column; gap:4px; }
.cs-scene-name{ font-family:var(--font-display); font-weight:600; font-size:clamp(15px,1.5vw,18px); letter-spacing:-0.01em; color:var(--ink); }
.cs-scene-note{ font-family:var(--font-body); font-weight:350; font-size:13px; line-height:1.45; color:var(--muted); }

.cs-sched{ display:grid; grid-template-columns:repeat(4,1fr); gap:clamp(12px,1.4vw,18px); align-items:start; }
.cs-week{ border:1px solid var(--line); border-radius:14px; background:color-mix(in srgb, var(--accent) 5%, var(--surface)); padding:18px 20px 20px; }
.cs-week-top{ display:flex; align-items:center; justify-content:space-between; gap:10px; padding-bottom:14px; margin-bottom:15px; border-bottom:1px solid var(--line); }
.cs-week-k{ font-family:var(--font-mono); font-weight:700; font-size:12px; letter-spacing:0.1em; text-transform:uppercase; color:var(--ink); }
.cs-week-score{ font-family:var(--font-mono); font-weight:700; font-size:11.5px; letter-spacing:0.04em; color:#fff; background:var(--accent); border-radius:999px; padding:4px 11px; white-space:nowrap; }
.cs-week-score.is-pending{ color:var(--accent); background:color-mix(in srgb, var(--accent) 14%, transparent); text-transform:uppercase; letter-spacing:0.08em; }
.cs-tasklist{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:11px; }
.cs-tasklist li{ display:flex; align-items:flex-start; gap:11px; font-family:var(--font-body); font-weight:350; font-size:14.5px; line-height:1.4; color:var(--ink); }
.cs-task-mark{ flex:0 0 auto; width:18px; height:18px; border-radius:50%; display:grid; place-items:center; margin-top:1px; }
.cs-task-mark svg{ width:11px; height:11px; }
.cs-tasklist li.is-done .cs-task-mark{ background:#4E9E76; color:#fff; }
.cs-tasklist li.is-pending .cs-task-mark{ border:1.5px dashed var(--line-2); }
.cs-tasklist li.is-pending{ color:var(--muted); }
.cs-week-bar{ margin-top:16px; height:4px; border-radius:999px; background:var(--line); overflow:hidden; }
.cs-week-bar span{ display:block; height:100%; border-radius:999px; background:var(--accent); }
@media (max-width:1080px){ .cs-sched{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:860px){ .cs-scene-flow{ grid-template-columns:1fr 1fr; } .cs-sched{ grid-template-columns:1fr; } }
@media (max-width:460px){ .cs-scene-flow{ grid-template-columns:1fr; } }