/* ─────────────────────────────────────────────────────────────
   Case Study — shared layout & components
   Editorial, image-forward, image-led walkthroughs.
   Inherits tokens from portfolio.css
   ───────────────────────────────────────────────────────────── */

/* Reading progress bar */
.read-progress {
  position: fixed; top: 0; left: 0; right: 0;
  height: 2px; z-index: 100;
  background: transparent;
  pointer-events: none;
}
.read-progress > .bar {
  height: 100%; width: 0%;
  background: var(--accent);
  transition: width 0.05s linear;
}

/* ── Case study hero ───────────────────────── */
.cs-hero {
  padding-block: 80px 64px;
  position: relative;
}
.cs-hero-meta {
  display: flex; gap: 32px; align-items: center; flex-wrap: wrap;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--ink-2);
  margin-bottom: 48px;
}
.cs-hero-meta .crumb { color: var(--ink-3); }
.cs-hero-meta .crumb a { color: var(--ink-3); text-decoration: none; transition: color .2s var(--ease); }
.cs-hero-meta .crumb a:hover { color: var(--ink); }
.cs-hero-meta .sep { color: var(--rule); }
.cs-hero-meta .role-pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 11px;
  border: 1px solid var(--rule); border-radius: 999px;
  background: color-mix(in oklab, var(--paper-2) 60%, transparent);
}

.cs-hero-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 80px;
  align-items: end;
  margin-bottom: 64px;
}
.cs-hero h1 {
  font-size: clamp(48px, 6.5vw, 96px);
  letter-spacing: -0.025em;
  line-height: 0.95;
  margin-bottom: 32px;
  text-wrap: pretty;
}
.cs-hero h1 em {
  font-style: italic; color: var(--accent);
}
.cs-hero .deck {
  font-family: var(--serif);
  font-size: 24px; line-height: 1.4;
  color: var(--ink-2);
  max-width: 640px;
}
.cs-hero .deck em { color: var(--ink); font-style: italic; }

.cs-facts {
  display: flex; flex-direction: column; gap: 0;
  border-top: 1px solid var(--rule);
}
.cs-facts .fact {
  display: grid; grid-template-columns: 110px 1fr;
  gap: 24px;
  padding: 14px 0;
  border-bottom: 1px solid var(--rule);
  align-items: baseline;
}
.cs-facts .fact .k {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--ink-3);
}
.cs-facts .fact .v {
  font-family: var(--sans); font-size: 14px; color: var(--ink);
  line-height: 1.5;
}
.cs-facts .fact .v .accent { color: var(--accent); font-weight: 500; }

/* Hero image / banner */
.cs-banner {
  width: 100%;
  aspect-ratio: 16/9;
  border-radius: 8px;
  overflow: hidden;
  position: relative;
  background: var(--paper-3);
  margin-bottom: 64px;
}
/* Order Tracker banner: desktop image full-bleed, mobile overlay top-right */
.cs-banner-ot { background: var(--paper); }
.cs-banner-ot .banner-desktop {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top left;
}
.cs-banner-ot .banner-mobile {
  position: absolute;
  top: 32px;
  right: 32px;
  width: 18%;
  max-width: 240px;
  height: auto;
  border-radius: 8px;
  border: 1px solid var(--rule);
  box-shadow:
    0 32px 56px -18px rgba(26, 24, 20, 0.32),
    0 12px 22px -8px rgba(26, 24, 20, 0.16);
}

/* Headline metrics row under banner */
.cs-impact {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 32px 0;
  margin-bottom: 96px;
}
.cs-impact .stat { padding: 0 24px; border-right: 1px solid var(--rule); }
.cs-impact .stat:last-child { border-right: none; }
.cs-impact .stat:first-child { padding-left: 0; }
.cs-impact .stat .num {
  font-family: var(--serif);
  font-size: clamp(48px, 5vw, 72px);
  line-height: 0.9;
  letter-spacing: -0.03em;
  color: var(--accent);
  display: block;
  margin-bottom: 12px;
}
.cs-impact .stat .num .unit {
  font-size: 0.5em; vertical-align: 0.3em;
  letter-spacing: 0;
}
.cs-impact .stat .label {
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--ink-2);
  line-height: 1.4;
}
.cs-impact .stat.muted .num { color: var(--ink); }

/* ── Layout primitives for content ───────────────── */
.cs-body {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 96px;
  align-items: start;
}
.cs-body > * { min-width: 0; }

/* Sticky TOC */
.cs-toc {
  position: sticky;
  top: 100px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  display: flex; flex-direction: column; gap: 4px;
  background: var(--paper);
  z-index: 1;
  padding: 8px 0;
}
.cs-toc .toc-label {
  font-size: 10px; letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--rule);
}
.cs-toc a {
  display: flex; align-items: baseline; gap: 14px;
  padding: 8px 0;
  color: var(--ink-3);
  text-decoration: none;
  transition: color .2s var(--ease);
  border-left: 1px solid transparent;
  padding-left: 0;
}
.cs-toc a .toc-num {
  font-size: 10px;
  color: var(--ink-3);
  flex: 0 0 18px;
}
.cs-toc a:hover,
.cs-toc a.active {
  color: var(--ink);
}
.cs-toc a.active .toc-num { color: var(--accent); }

.cs-content {
  max-width: 800px;
  display: flex; flex-direction: column;
}

/* Section blocks */
.cs-section {
  padding: 48px 0;
  scroll-margin-top: 80px;
}
.cs-section + .cs-section { border-top: 1px solid var(--rule); }
.cs-section:first-child { padding-top: 0; }

.cs-section .num {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--accent);
  margin-bottom: 18px;
  display: block;
}
.cs-section h2 {
  font-size: clamp(32px, 3.5vw, 48px);
  margin-bottom: 32px;
  letter-spacing: -0.02em;
  text-wrap: pretty;
}
.cs-section h2 em {
  font-style: italic; color: var(--accent);
}
.cs-section .body {
  font-size: 18px; line-height: 1.65;
  color: var(--ink);
  margin-bottom: 24px;
  text-wrap: pretty;
}
.cs-section .body + .body { margin-top: 0; }
.cs-section .body em { font-style: italic; color: var(--ink-2); }
.cs-section .body strong { font-weight: 500; color: var(--ink); }

.cs-section h3 {
  font-size: 24px;
  font-family: var(--sans);
  font-weight: 500;
  letter-spacing: -0.01em;
  margin-top: 32px;
  margin-bottom: 16px;
  color: var(--ink);
}

/* Pull quote */
.pull-quote {
  margin: 48px 0;
  padding: 0 0 0 32px;
  border-left: 2px solid var(--accent);
  font-family: var(--serif);
  font-style: italic;
  font-size: 28px;
  line-height: 1.35;
  color: var(--ink);
}
.pull-quote .attr {
  display: block;
  margin-top: 18px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-style: normal;
}

/* Inline list */
.cs-list {
  list-style: none; padding: 0; margin: 24px 0;
  display: flex; flex-direction: column; gap: 14px;
}
.cs-list li {
  font-size: 17px; line-height: 1.55;
  padding-left: 32px;
  position: relative;
}
.cs-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 11px;
  width: 16px; height: 1px;
  background: var(--accent);
}

/* Insight callout */
.callout {
  margin: 32px 0;
  padding: 24px 28px;
  background: var(--paper-2);
  border-radius: 6px;
  border-left: 2px solid var(--accent);
  display: flex; flex-direction: column; gap: 12px;
}
.callout .label {
  font-family: var(--mono);
  font-size: 10px; letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}
.callout .content {
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink);
}
.callout .content em { font-style: italic; }

/* ── Figures (full-width, breaking out of content column) ── */
.cs-figure {
  margin: 64px 0;
  position: relative;
}
.cs-figure.full {
  /* Span the shell content area (capped at shell max-width 1440px),
     not the viewport — so on wide screens it doesn't extend past the
     auto-margin space and stay centered with the rest of the page.
     Negative margin offsets cs-content past the TOC sidebar + gap (316px).
     z-index lifts the figure above the sticky TOC. */
  position: relative;
  z-index: 2;
  margin-left: calc(-1 * (220px + 96px));
  width: calc(min(100vw, 1440px) - var(--gutter) * 2);
  max-width: calc(min(100vw, 1440px) - var(--gutter) * 2);
}
.cs-figure.full figcaption {
  background: var(--paper);
  padding: 12px 0;
  /* keep margin-left/right: auto from base rule so the max-width box stays centered */
}
.cs-figure.wide {
  /* break out of cs-content max-width but stay within shell */
  margin-left: calc(-1 * (var(--cs-overflow, 200px)));
  width: calc(100% + var(--cs-overflow, 200px));
}
.cs-figure-img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 8px;
}
/* Two-up figure — side-by-side comparison images on a paper container */
.cs-figure-twoup {
  background: var(--paper);
  padding: 32px;
  border-radius: 8px;
}
.cs-figure-twoup .cs-twoup-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}
.cs-figure-twoup .cs-twoup-item {
  display: flex; flex-direction: column; gap: 12px;
}
.cs-figure-twoup .cs-twoup-item img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 8px;
  border: 1px solid var(--rule);
  box-shadow: 0 12px 24px -10px rgba(26, 24, 20, 0.18);
}
.cs-figure-twoup .cs-twoup-cap {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 14px;
  row-gap: 2px;
  align-items: baseline;
}
.cs-figure-twoup .cs-twoup-cap .cap-num {
  grid-column: 1;
  grid-row: 1 / span 2;
  align-self: start;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--accent);
  font-weight: 500;
  padding-top: 2px;
}
.cs-figure-twoup .cs-twoup-cap .cap-name {
  grid-column: 2;
  grid-row: 1;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
}
.cs-figure-twoup .cs-twoup-cap .cap-sub {
  grid-column: 2;
  grid-row: 2;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
}
@media (max-width: 700px) {
  .cs-figure-twoup { padding: 20px; }
  .cs-figure-twoup .cs-twoup-grid { grid-template-columns: 1fr; gap: 24px; }
}
/* Mobile-aspect figure — center a phone-width image, don't stretch it */
.cs-figure-mobile {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.cs-figure-mobile .cs-figure-img {
  max-width: 360px;
  width: 100%;
  border-radius: 8px;
  box-shadow:
    0 24px 48px -16px rgba(26, 24, 20, 0.25),
    0 8px 16px -6px rgba(26, 24, 20, 0.12);
}
.cs-figure-mobile figcaption {
  align-self: stretch;
}
.cs-figure .frame {
  background: var(--paper-3);
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--rule);
  position: relative;
}
.cs-figure figcaption {
  margin-top: 16px;
  text-align: center;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--ink-3);
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.5;
}
.cs-figure figcaption .fig-num {
  flex: 0 0 auto;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}
.cs-figure figcaption .fig-text { color: var(--ink-2); }

/* Placeholder treatment — make it OBVIOUS */
.placeholder-frame {
  background:
    repeating-linear-gradient(
      45deg,
      var(--paper-2) 0px, var(--paper-2) 12px,
      var(--paper-3) 12px, var(--paper-3) 24px
    );
  position: relative;
  aspect-ratio: 16/9;
  border: 1px dashed var(--rule);
  border-radius: 10px;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 12px;
  text-align: center;
  padding: 32px;
}
.placeholder-frame .ph-label {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--ink-2);
  background: var(--paper);
  padding: 6px 12px; border-radius: 3px;
  border: 1px solid var(--rule);
}
.placeholder-frame .ph-desc {
  font-family: var(--mono); font-size: 11px;
  color: var(--ink-3);
  max-width: 360px;
  line-height: 1.5;
}
.placeholder-frame .ph-icon {
  font-family: var(--mono); font-size: 24px;
  color: var(--ink-3);
  margin-bottom: 4px;
}

/* Two-up image grid (before/after) */
.cs-twoup {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 64px 0;
}
.cs-twoup .ba-label {
  position: absolute;
  top: 12px; left: 12px;
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.18em;
  text-transform: uppercase;
  background: var(--paper);
  padding: 5px 10px; border-radius: 3px;
  color: var(--ink);
  border: 1px solid var(--rule);
  z-index: 2;
}
.cs-twoup .ba-label.after { background: var(--ink); color: var(--paper); border-color: var(--ink); }

/* Process timeline */
.process-timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin: 48px 0;
  border-top: 1px solid var(--rule);
}
.process-timeline .step {
  padding: 24px 24px 24px 0;
  border-right: 1px solid var(--rule);
  position: relative;
}
.process-timeline .step:last-child { border-right: none; }
.process-timeline .step .phase {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--accent);
  margin-bottom: 8px;
}
.process-timeline .step h4 {
  font-family: var(--sans); font-size: 15px; font-weight: 500;
  letter-spacing: -0.005em;
  margin-bottom: 8px;
  color: var(--ink);
}
.process-timeline .step .desc {
  font-size: 13px; line-height: 1.5; color: var(--ink-2);
}

/* Reflection / closer */
.reflect-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin: 32px 0;
}
.reflect-card {
  padding: 32px;
  background: var(--paper-2);
  border-radius: 8px;
  border: 1px solid var(--rule);
}
.reflect-card .reflect-label {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--ink-3);
  margin-bottom: 14px;
}
.reflect-card h4 {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 22px; line-height: 1.3;
  margin-bottom: 14px;
  letter-spacing: -0.015em;
  color: var(--ink);
}
.reflect-card p {
  font-size: 15px; line-height: 1.6; color: var(--ink-2);
}

/* ── Next case study ───────────────────────── */
.next-cs {
  margin-top: 96px;
  padding-block: 80px;
  border-top: 1px solid var(--rule);
}
.next-cs .next-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.next-cs .next-label {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--ink-3);
  margin-bottom: 16px;
}
.next-cs .next-num {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--accent);
  margin-bottom: 18px;
}
.next-cs h2 {
  font-size: clamp(36px, 4.5vw, 64px);
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}
.next-cs h2 em { font-style: italic; color: var(--accent); }
.next-cs .next-deck {
  font-family: var(--serif);
  font-size: 20px; line-height: 1.4;
  color: var(--ink-2);
  margin-bottom: 32px;
}
.next-cs .next-card {
  display: block;
  text-decoration: none;
  color: inherit;
  position: relative;
  aspect-ratio: 16/9;
  border-radius: 10px;
  overflow: hidden;
  background: var(--paper-3);
  border: 1px solid var(--rule);
  transition: transform .35s var(--ease), border-color .25s var(--ease);
  cursor: pointer;
}
.next-cs .next-card:hover {
  transform: translateY(-4px);
  border-color: var(--ink);
}
/* No arrow overlay on next-cards — the artwork is the affordance, and the
   "Read [name]" button in the left column carries the explicit CTA. */
.next-cs .next-arrow { display: none; }

/* ─────────── NEXT CASE · artwork that mirrors the homepage tiles ───────────
   The .next-card carries the same image (or rich selected-work artwork)
   the reader would see on the homepage grid. The card keeps a 16/9
   aspect, border, and hover lift. Labels live in the left column, so the
   card itself stays visual-only. */

/* Gradient textures (mirror index.html .tex-*) */
.next-cs .next-card.tex-agency   { background: linear-gradient(135deg, #1a1814 0%, #0a0805 100%); }
.next-cs .next-card.tex-ikon     { background: linear-gradient(135deg, #d8c9b0 0%, #a89876 100%); }
.next-cs .next-card.tex-skit     { background: linear-gradient(135deg, #3a3528 0%, #1f1c14 100%); }
.next-cs .next-card.tex-enews    { background: linear-gradient(135deg, #d4574a 0%, #8a2d24 100%); }
.next-cs .next-card.tex-emmy     { background: linear-gradient(135deg, #2c3a52 0%, #1a2540 100%); }
.next-cs .next-card.tex-grounded { background: linear-gradient(135deg, #4a5c3a 0%, #2c3623 100%); }
.next-cs .next-card.tex-brandlp  { background: linear-gradient(135deg, #2a2520 0%, #1a1814 100%); }
.next-cs .next-card.tex-system   { background: linear-gradient(135deg, #1a2845 0%, #0d1525 100%); }
.next-cs .next-card.tex-sitemap  { background: linear-gradient(135deg, #e8dfd0 0%, #c9bfa8 100%); }

/* Image-backed next-cards: full-bleed photo fills the card.
   Used on Brand LP, The Agency, E! Live 360, and Visual Sitemap next-cards.
   The left column of the next-cs grid already carries meta/title/deck/CTA,
   so the card itself stays visual-only — no overlay labels, no scrim. */
.next-cs .next-card .nt-bg {
  position: absolute; inset: 0;
  width: 100%; height: 100%; object-fit: cover;
  z-index: 0;
}
/* Mirror the homepage tile object-positions on the next-cards so a
   reader sees the same crop in both places. */
.next-cs .next-card.tex-agency   .nt-bg { object-position: right center; }
.next-cs .next-card.tex-grounded .nt-bg { object-position: right center; }
.next-cs .next-card.tex-skit     .nt-bg { object-position: right center; }
.next-cs .next-card.tex-enews    .nt-bg { object-position: right top; }
.next-cs .next-card.tex-ikon     .nt-bg { object-position: right top; }
.next-cs .next-card.tex-emmy     .nt-bg { object-position: right top; }
.next-cs .next-card.tex-sitemap  .nt-bg { object-position: right top; }

/* ─────────── USER-TEST THEMES ─────────────────────────────────────────
   Used in Designable + PDP Drawer to summarize qualitative findings from
   usertesting.com sessions. Each .theme is a labeled block; .theme-shift
   is the "what changed because of it" line in mono/accent. */
.studies-themes {
  display: flex; flex-direction: column;
  margin: 32px 0;
}
.studies-themes .theme {
  padding: 26px 0;
  border-top: 1px solid var(--rule);
}
.studies-themes .theme:first-child { border-top: 0; padding-top: 8px; }
.studies-themes .theme-label {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--ink-3);
  margin-bottom: 12px;
}
.studies-themes .theme h4 {
  font-family: var(--sans); font-weight: 600;
  font-size: 19px; line-height: 1.25;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin: 0 0 12px;
  max-width: 640px;
}
.studies-themes .theme p {
  font-size: 15px; line-height: 1.65; color: var(--ink-2);
  max-width: 720px;
  margin: 0;
}
.studies-themes .theme-shift {
  font-family: var(--mono); font-size: 12px; line-height: 1.5;
  color: var(--accent);
  letter-spacing: 0.02em;
  padding-top: 12px;
  margin-top: 14px;
  border-top: 1px dashed var(--rule);
  max-width: 720px;
}

/* ----- Selected-work artwork (Order Tracker, Designable, PDP Drawer) ----- */

/* Order Tracker — desktop screenshot + mobile widget overlay */
.next-cs .next-card.case-tile-ot { background: var(--paper); padding: 0; }
.next-cs .next-card.case-tile-ot .ot-desktop {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; object-position: top left;
  transform: scale(1.4); transform-origin: top left;
  transition: transform .6s var(--ease);
}
.next-cs .next-card.case-tile-ot .ot-mobile {
  position: absolute; top: 30px; right: 26px;
  width: 32%; max-width: 200px; height: auto;
  border-radius: 10px;
  border: 1px solid var(--rule);
  box-shadow: 0 22px 44px -16px rgba(26,24,20,0.32),
              0 8px 18px -6px rgba(26,24,20,0.18);
  transform: scale(1.02); transform-origin: center 25%;
  transition: transform .6s var(--ease), box-shadow .6s var(--ease);
}
.next-cs .next-card.case-tile-ot:hover .ot-desktop { transform: scale(1); }
.next-cs .next-card.case-tile-ot:hover .ot-mobile {
  transform: scale(0.9) translate(28px, -22px) rotate(-3deg);
}

/* Designable — multi-layer animated tile (mirrors index.html).
   Layers: empty LP (base) → room photo drops in → full state crossfades →
   product tile slides up over the full state. Same choreography as the
   homepage, tuned for the smaller 4:3 next-card frame. */
.next-cs .next-card.case-tile-designable {
  background: var(--paper-2);
  padding: 0;
}
.next-cs .next-card.case-tile-designable .dsg-empty,
.next-cs .next-card.case-tile-designable .dsg-full {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover; object-position: top center;
}
.next-cs .next-card.case-tile-designable .dsg-room {
  position: absolute;
  top: 24%; left: 54%; width: 35%;
  height: auto;
  border-radius: 4px;
  box-shadow: 0 10px 22px -8px rgba(26,24,20,0.28);
  opacity: 0;
  transform: translateY(-80%) scale(1);
  transform-origin: center center;
  transition:
    opacity 0.3s var(--ease),
    transform 0.35s var(--ease);
  pointer-events: none;
}
.next-cs .next-card.case-tile-designable:hover .dsg-room {
  animation: dsg-room-drop-expand 1.4s var(--ease) 0.1s forwards;
}
.next-cs .next-card.case-tile-designable .dsg-full {
  opacity: 0;
  transition: opacity 0.85s var(--ease);
}
.next-cs .next-card.case-tile-designable:hover .dsg-full {
  opacity: 1;
  transition-delay: 0.5s;
}
.next-cs .next-card.case-tile-designable .dsg-products {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  width: 100%; height: auto;
  opacity: 0;
  transform: translateY(100%);
  transition:
    opacity 0.7s var(--ease),
    transform 0.65s var(--ease);
}
.next-cs .next-card.case-tile-designable:hover .dsg-products {
  opacity: 1;
  transform: translateY(0);
  transition:
    opacity 0.7s var(--ease) 0.5s,
    transform 0.65s var(--ease) 0.5s;
}

/* PDP — closed PDP base + drawer that slides in from the right on hover */
.next-cs .next-card.case-tile-pdp { background: var(--paper-2); padding: 0; }
.next-cs .next-card.case-tile-pdp .pdp-base {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover; object-position: center;
}
.next-cs .next-card.case-tile-pdp .pdp-drawer {
  position: absolute; top: 0; right: 0;
  height: 100%; width: auto;
  transform: translateX(102%);
  transition: transform 0.55s var(--ease);
  filter: drop-shadow(-12px 0 24px rgba(26,24,20,0.18));
  pointer-events: none;
}
.next-cs .next-card.case-tile-pdp:hover .pdp-drawer {
  transform: translateX(0);
}
/* Shared Designable hover keyframe (re-declared here so case pages don't
   depend on index.html's <style> block). */
@keyframes dsg-room-drop-expand {
  0%   { opacity: 0; transform: translate(0, -80%) scale(0.75); }
  30%  { opacity: 1; transform: translate(0, 0) scale(1.25); }
  100% { opacity: 1; transform: translate(-85%, -28%) scale(1.10); }
}

/* Responsive */
@media (max-width: 1100px) {
  .cs-body { grid-template-columns: 1fr; gap: 48px; }
  .cs-toc { position: relative; top: 0; flex-direction: row; flex-wrap: wrap; gap: 12px; padding: 0; background: transparent; }
  .cs-toc .toc-label { width: 100%; }
  .cs-content { max-width: 100%; }
  .cs-hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .cs-impact { grid-auto-flow: row; grid-template-columns: repeat(2, 1fr); }
  .cs-impact .stat { padding: 16px; border-right: none; border-bottom: 1px solid var(--rule); }
  .cs-impact .stat:nth-child(2n) { border-right: none; }

  /* No more TOC column to break out past — keep figure within content width */
  .cs-figure.full {
    margin-left: 0;
    width: 100%;
    max-width: 100%;
  }
}
@media (max-width: 700px) {
  .cs-hero h1 { font-size: 44px; }
  .cs-twoup { grid-template-columns: 1fr; }
  .reflect-grid { grid-template-columns: 1fr; }
  .process-timeline { grid-template-columns: 1fr; }
  .process-timeline .step { border-right: none; border-bottom: 1px solid var(--rule); padding: 24px 0; }
  .next-cs .next-grid { grid-template-columns: 1fr; }
  .cs-impact { grid-template-columns: 1fr; }

  /* Stack mockup grids so they fit narrow viewports */
  /* !important needed because page-specific inline styles load after this file */
  .ot-banner-body,
  .email-compare,
  .outcome-chart,
  .research-grid,
  .phone-strip,
  .sketch-grid,
  .journey-before .jb-steps,
  .flow3,
  .fail-grid,
  .dz-stage,
  .variants-grid,
  .ab-grid,
  .ab-table .row,
  .pdp-banner,
  .size-guide {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }
  .funnel .step {
    grid-template-columns: 1fr !important;
    gap: 8px !important;
  }
  .funnel .step .v { text-align: left !important; }

  /* Reduce padding inside mockups */
  .ot-banner { padding: 16px !important; position: relative !important; }
  .ot-banner-inner { width: 100% !important; }
  .ot-banner-body { padding: 20px !important; }

  /* Banner aspect-ratio breaks on mobile when content stacks — let it grow */
  .cs-banner { aspect-ratio: auto !important; min-height: 320px; }

  /* Compare figure: hide center "vs" badge when stacked */
  .email-compare .vs { display: none !important; }

  /* Constrain media so no element pokes past gutter */
  .cs-content img,
  .cs-content svg,
  .cs-content video { max-width: 100%; height: auto; }

  /* Phone strip → vertical stack on mobile */
  .phone-strip { display: flex !important; flex-direction: column !important; align-items: center; }
  .phone-strip .phone { width: min(280px, 100%); }
}

/* ─────────────────────────────────────────────────────────────
   Lightbox · zoomable image overlay (shared across case pages)
   Handles short images (centered) and tall images (scrollable).
   ───────────────────────────────────────────────────────────── */

.zoomable {
  cursor: zoom-in;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.zoomable:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 24px -10px rgba(26,24,20,0.18);
}

.lightbox {
  position: fixed; inset: 0;
  background: rgba(26,24,20,0.94);
  display: none;
  z-index: 1000;
}
.lightbox.open { display: block; }

/* Scrollable inner container so tall images can be scrolled vertically. */
.lightbox-stage {
  position: absolute; inset: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 64px;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100%;
}
/* Auto top + bottom margins center the image vertically when shorter than viewport,
   collapse to 0 when image is taller (allowing scroll). */
.lightbox-img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: auto 0;
  border-radius: 4px;
  box-shadow: 0 30px 60px rgba(0,0,0,0.6);
  flex-shrink: 0;
}
.lightbox-caption {
  margin: 16px 0 auto;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em;
  text-transform: uppercase; color: rgba(244,240,232,0.7);
  text-align: center;
  max-width: min(80%, 700px);
  flex-shrink: 0;
}

/* Buttons + counter pinned to lightbox edges, above the scrollable stage. */
.lightbox button {
  position: absolute; z-index: 2;
  background: rgba(244,240,232,0.08);
  border: 1px solid rgba(244,240,232,0.18);
  color: var(--paper);
  width: 48px; height: 48px;
  border-radius: 50%;
  font-size: 22px; line-height: 1;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .15s var(--ease);
}
.lightbox button:hover { background: rgba(244,240,232,0.18); }
.lightbox-close { top: 24px; right: 24px; }
.lightbox-prev  { left: 24px; top: 50%; transform: translateY(-50%); }
.lightbox-next  { right: 24px; top: 50%; transform: translateY(-50%); }
.lightbox-counter {
  position: absolute; z-index: 2;
  top: 28px; left: 32px;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em;
  text-transform: uppercase; color: rgba(244,240,232,0.55);
}
@media (max-width: 600px) {
  .lightbox-stage { padding: 24px 16px; }
  .lightbox-prev, .lightbox-next { width: 40px; height: 40px; }
  .lightbox-prev { left: 8px; }
  .lightbox-next { right: 8px; }
  .lightbox-close { top: 12px; right: 12px; }
}

/* ─────────────────────────────────────────────────────────────
   Lite YouTube · clean default state with thumbnail + play button.
   Swaps to a real iframe (autoplay) on click via JS.
   Default chrome is hidden until the user opts in.
   ───────────────────────────────────────────────────────────── */
.lite-yt {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  padding: 0; border: 0;
  background-color: #1a1814;
  background-size: cover;
  background-position: center;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  border-radius: inherit;
  overflow: hidden;
}
.lite-yt::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0) 40%, rgba(0,0,0,0.35) 100%);
  pointer-events: none;
  transition: background .2s var(--ease);
}
.lite-yt:hover::before {
  background: linear-gradient(180deg, rgba(0,0,0,0.05) 40%, rgba(0,0,0,0.45) 100%);
}
.lite-yt-play {
  width: 64px; height: 64px;
  position: relative; z-index: 1;
  opacity: 0.95;
  filter: drop-shadow(0 6px 14px rgba(0,0,0,0.45));
  transition: transform .2s var(--ease), opacity .2s var(--ease);
}
.lite-yt:hover .lite-yt-play,
.lite-yt:focus-visible .lite-yt-play {
  transform: scale(1.08);
  opacity: 1;
}
.lite-yt:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}