/* Shared case-study styles — extracted from the identical per-page <style> blocks of case-study-*.html. Edit here once; all case studies update. */
  :root {
    --red: #c41e1e;
    --red-deep: #9e1414;
    --red-glow: #e83838;
    --red-dim: rgba(196, 30, 30, 0.5);
    --white: #f5f3ee;
    --black: #16151a;
    --black-2: #1d1c22;
    --black-3: #28272e;
    --ink: #e8e6e0;
    --ink-dim: #8a8890;
    --ink-faint: #4a4852;
    --border: rgba(245, 243, 238, 0.08);
    --border-bright: rgba(245, 243, 238, 0.16);
    --glass: rgba(245, 243, 238, 0.03);
    --glass-strong: rgba(245, 243, 238, 0.06);
    --sans: 'Geist', sans-serif;
    --mono: 'Geist Mono', monospace;
    --mono-alt: 'JetBrains Mono', monospace;
  }

  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }

  body {
    background: var(--black);
    color: var(--ink);
    font-family: var(--sans);
    font-weight: 400;
    line-height: 1.5;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }

  body::before {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 100;
    opacity: 0.05;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    mix-blend-mode: overlay;
  }

  a { color: inherit; text-decoration: none; }
  img, video { display: block; max-width: 100%; }

  .red { color: var(--red); }
  .mono { font-family: var(--mono); }

  /* ───── Top breadcrumb bar ───── */
  .topbar {
    position: fixed;
    top: 20px;
    left: 0; right: 0;
    z-index: 50;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 max(24px, 4vw);
    pointer-events: none;
  }
  .topbar > * { pointer-events: auto; }
  .crumb {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 10px 18px 10px 14px;
    background: rgba(22, 21, 26, 0.7);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border: 1px solid var(--border);
    border-radius: 100px;
    font-family: var(--mono);
    font-size: var(--fs-2xs);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ink);
    transition: all 0.25s ease;
  }
  .crumb:hover { color: var(--white); border-color: var(--border-bright); }
  .crumb .arrow { color: var(--red-glow); }
  .topbar-meta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 18px;
    background: rgba(22, 21, 26, 0.7);
    backdrop-filter: blur(24px) saturate(180%);
    border: 1px solid var(--border);
    border-radius: 100px;
    font-family: var(--mono);
    font-size: var(--fs-2xs);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ink-dim);
  }
  .topbar-meta .dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--red-glow);
    box-shadow: 0 0 10px var(--red-glow);
  }

  /* ───── Hero ───── */
  .cs-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: flex-end;
    padding: 140px max(24px, 4vw) 80px;
    overflow: hidden;
    background: var(--black);
  }
  .cs-hero-media {
    position: absolute;
    inset: 0;
    z-index: 0;
  }
  .cs-hero-media img,
  .cs-hero-media video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
  }
  .cs-hero-media .placeholder-media {
    width: 100%;
    height: 100%;
  }
  .cs-hero-media::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
      linear-gradient(180deg, rgba(22,21,26,0.4) 0%, rgba(22,21,26,0.1) 35%, rgba(22,21,26,0.98) 100%),
      linear-gradient(90deg, rgba(22,21,26,0.85) 0%, rgba(22,21,26,0.2) 50%, rgba(22,21,26,0.0) 100%);
    pointer-events: none;
  }
  .cs-hero-content {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
  }
  .cs-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 8px 16px 8px 12px;
    background: var(--glass);
    border: 1px solid var(--border);
    border-radius: 100px;
    font-family: var(--mono);
    font-size: var(--fs-2xs);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ink);
    backdrop-filter: blur(12px);
    margin-bottom: 28px;
    font-weight: 500;
  }
  .cs-eyebrow .pulse {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--red);
    box-shadow: 0 0 10px var(--red);
  }
  .cs-hero h1 {
    font-family: var(--sans);
    font-weight: 600;
    font-size: clamp(48px, 7vw, 112px);
    line-height: 0.96;
    letter-spacing: -0.04em;
    color: var(--white);
    margin-bottom: 32px;
    max-width: 16ch;
  }
  .cs-hero h1 .light { color: var(--ink-dim); font-weight: 300; }
  .cs-hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 48px 64px;
    padding-top: 28px;
    border-top: 1px solid var(--border);
    max-width: 900px;
  }
  .cs-hero-meta-item .label {
    display: block;
    font-family: var(--mono);
    font-size: var(--fs-3xs);
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--ink-faint);
    margin-bottom: 8px;
    font-weight: 500;
  }
  .cs-hero-meta-item .value {
    font-family: var(--sans);
    font-size: var(--fs-md);
    color: var(--white);
    font-weight: 500;
  }

  /* ───── Stats bar ───── */
  .stats-bar {
    background: var(--black-2);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 56px max(24px, 4vw);
  }
  .stats-bar-inner {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 48px;
  }
  .stat {
    display: flex;
    flex-direction: column;
    gap: 12px;
  }
  .stat-value {
    font-family: var(--sans);
    font-weight: 600;
    font-size: clamp(36px, 4vw, 56px);
    letter-spacing: -0.03em;
    color: var(--white);
    line-height: 1;
  }
  .stat-value .red { color: var(--red-glow); }
  .stat-label {
    font-family: var(--mono);
    font-size: var(--fs-3xs);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ink-dim);
    font-weight: 500;
  }

  /* ───── Generic section ───── */
  section { padding: 120px max(24px, 4vw); }
  .section-inner { max-width: 1280px; margin: 0 auto; }
  .section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--mono);
    font-size: var(--fs-2xs);
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--ink-dim);
    margin-bottom: 24px;
    font-weight: 500;
  }
  .section-eyebrow::before {
    content: '';
    width: 24px;
    height: 1px;
    background: var(--red);
  }
  h2 {
    font-family: var(--sans);
    font-weight: 600;
    font-size: clamp(32px, 4vw, 56px);
    line-height: 1;
    letter-spacing: -0.03em;
    color: var(--white);
    margin-bottom: 32px;
    max-width: 22ch;
  }

  /* ───── Brief two-column ───── */
  .brief {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 80px;
    align-items: start;
  }
  .brief-prose p {
    font-size: var(--fs-lg);
    line-height: 1.6;
    color: var(--ink);
    margin-bottom: 20px;
    max-width: 60ch;
  }
  .brief-prose p:first-of-type {
    font-size: 22px;
    color: var(--white);
    font-weight: 400;
    line-height: 1.45;
    margin-bottom: 28px;
  }
  .brief-meta {
    border-left: 1px solid var(--border);
    padding-left: 40px;
    display: flex;
    flex-direction: column;
    gap: 28px;
  }
  .brief-meta-item .label {
    display: block;
    font-family: var(--mono);
    font-size: var(--fs-3xs);
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--ink-faint);
    margin-bottom: 8px;
    font-weight: 500;
  }
  .brief-meta-item .value {
    font-family: var(--sans);
    font-size: var(--fs-md);
    color: var(--white);
  }

  /* ───── Asymmetric gallery grid ───── */
  .gallery-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    grid-auto-rows: 180px;
    gap: 12px;
  }
  .tile {
    position: relative;
    background: var(--black-2);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.4s ease, border-color 0.3s ease;
  }
  .tile:hover {
    border-color: var(--border-bright);
    transform: translateY(-2px);
  }
  .tile.span-3-2 { grid-column: span 3; grid-row: span 2; }
  .tile.span-3-1 { grid-column: span 3; grid-row: span 1; }
  .tile.span-2-2 { grid-column: span 2; grid-row: span 2; }
  .tile.span-2-1 { grid-column: span 2; grid-row: span 1; }
  .tile.span-4-2 { grid-column: span 4; grid-row: span 2; }
  .tile.span-6-2 { grid-column: span 6; grid-row: span 2; }
  .tile-media,
  .tile-media .placeholder-media {
    width: 100%;
    height: 100%;
  }
  .tile-media img,
  .tile-media video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
  }
  .tile-overlay {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    padding: 20px;
    background: linear-gradient(0deg, rgba(22,21,26,0.92) 0%, transparent 100%);
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    pointer-events: none;
  }
  .tile-num {
    font-family: var(--mono);
    font-size: var(--fs-3xs);
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--ink-faint);
    font-weight: 500;
  }
  .tile-label {
    font-family: var(--mono);
    font-size: var(--fs-3xs);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--white);
    font-weight: 500;
  }
  .tile-play {
    position: absolute;
    top: 16px; right: 16px;
    width: 36px; height: 36px;
    border-radius: 50%;
    background: rgba(22, 21, 26, 0.7);
    backdrop-filter: blur(8px);
    border: 1px solid var(--border-bright);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: var(--fs-base);
  }
  .tile-play::before {
    content: '';
    border-style: solid;
    border-width: 6px 0 6px 9px;
    border-color: transparent transparent transparent var(--white);
    margin-left: 2px;
  }

  /* ───── Pull quote ───── */
  .pull-quote {
    padding: 140px max(24px, 4vw);
    background: linear-gradient(180deg, transparent 0%, rgba(196,30,30,0.05) 50%, transparent 100%);
    text-align: center;
  }
  .pull-quote-inner {
    max-width: 1100px;
    margin: 0 auto;
  }
  .pull-quote blockquote {
    font-family: var(--sans);
    font-weight: 300;
    font-size: clamp(28px, 3.6vw, 52px);
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--white);
    margin-bottom: 40px;
  }
  .pull-quote blockquote .red { color: var(--red-glow); }
  .pull-quote-attr {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    font-family: var(--mono);
    font-size: var(--fs-2xs);
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--ink-dim);
    font-weight: 500;
  }
  .pull-quote-attr::before {
    content: '';
    width: 32px;
    height: 1px;
    background: var(--red-glow);
  }

  /* ───── Cinematic horizontal strip ───── */
  .strip {
    padding: 100px 0 120px;
  }
  .strip-header {
    padding: 0 max(24px, 4vw);
    max-width: 1280px;
    margin: 0 auto 48px;
  }
  .strip-track {
    display: flex;
    gap: 12px;
    padding: 0 max(24px, 4vw);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .strip-track::-webkit-scrollbar { display: none; }
  .strip-tile {
    position: relative;
    flex: 0 0 min(78vw, 900px);
    aspect-ratio: 16/9;
    background: var(--black-2);
    border: 1px solid var(--border);
    border-radius: 20px;
    overflow: hidden;
    scroll-snap-align: center;
    cursor: pointer;
  }
  .strip-tile:first-child { margin-left: 0; }
  .strip-tile:last-child { margin-right: max(24px, 4vw); }
  .strip-tile .placeholder-media { width: 100%; height: 100%; }

  /* ───── Process 3-column ───── */
  .process-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 48px;
  }
  .process-card {
    background: var(--black-2);
    border: 1px solid var(--border);
    border-radius: 20px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
  }
  .process-card-media {
    aspect-ratio: 4/3;
    border-bottom: 1px solid var(--border);
  }
  .process-card-media .placeholder-media { width: 100%; height: 100%; }
  .process-card-body {
    padding: 28px;
  }
  .process-card-num {
    font-family: var(--mono);
    font-size: var(--fs-3xs);
    letter-spacing: 0.16em;
    color: var(--red-glow);
    font-weight: 500;
    margin-bottom: 12px;
    text-transform: uppercase;
  }
  .process-card-title {
    font-family: var(--sans);
    font-weight: 600;
    font-size: var(--fs-xl);
    color: var(--white);
    margin-bottom: 12px;
    letter-spacing: -0.02em;
  }
  .process-card-body p {
    font-size: var(--fs-base);
    color: var(--ink-dim);
    line-height: 1.6;
  }

  /* ───── Results stack ───── */
  .results {
    background: var(--black-2);
    border-top: 1px solid var(--border);
  }
  .results-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: 24px;
    overflow: hidden;
    margin-top: 48px;
  }
  .result-cell {
    background: var(--black);
    padding: 48px;
    display: flex;
    flex-direction: column;
    gap: 16px;
  }
  .result-value {
    font-family: var(--sans);
    font-weight: 600;
    font-size: clamp(48px, 6vw, 80px);
    line-height: 1;
    letter-spacing: -0.04em;
    color: var(--white);
  }
  .result-value .red { color: var(--red-glow); }
  .result-label {
    font-family: var(--mono);
    font-size: var(--fs-2xs);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ink-dim);
    font-weight: 500;
  }
  .result-context {
    font-size: var(--fs-base);
    color: var(--ink);
    line-height: 1.6;
    max-width: 50ch;
  }

  /* ───── Next CTA ───── */
  .next-cta {
    padding: 100px max(24px, 4vw);
    background: var(--black);
  }
  .next-cta-inner {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
  .cta-card {
    position: relative;
    background: var(--black-2);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 48px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 320px;
    transition: all 0.3s ease;
  }
  .cta-card:hover {
    border-color: var(--border-bright);
    transform: translateY(-4px);
  }
  .cta-card.primary {
    background: linear-gradient(135deg, var(--red-deep) 0%, var(--red) 100%);
    border-color: transparent;
  }
  .cta-card-eyebrow {
    font-family: var(--mono);
    font-size: var(--fs-3xs);
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--ink-dim);
    margin-bottom: 16px;
    font-weight: 500;
  }
  .cta-card.primary .cta-card-eyebrow { color: rgba(245,243,238,0.7); }
  .cta-card-title {
    font-family: var(--sans);
    font-weight: 600;
    font-size: clamp(28px, 3vw, 40px);
    line-height: 1.05;
    letter-spacing: -0.03em;
    color: var(--white);
    margin-bottom: 16px;
  }
  .cta-card-arrow {
    align-self: flex-start;
    font-family: var(--mono);
    font-size: var(--fs-sm);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--white);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
  }
  .cta-card-arrow .arrow {
    transition: transform 0.25s ease;
    display: inline-block;
  }
  .cta-card:hover .cta-card-arrow .arrow { transform: translateX(4px); }

  footer {
    border-top: 1px solid var(--border);
    padding: 48px max(24px, 4vw);
    text-align: center;
    font-family: var(--mono);
    font-size: var(--fs-2xs);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ink-faint);
    display: flex;
    flex-direction: column;
    gap: 8px;
  }

  /* ───── Placeholder media ───── */
  /* Replace these with real <img>/<video> elements when assets land.
     The gradient + label combo is intentional: it tells you exactly what
     piece of content goes where without pretending to be the real thing. */
  .placeholder-media {
    position: relative;
    background: linear-gradient(135deg, #2a1818 0%, #1a1a22 50%, #1d1218 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
  }
  .placeholder-media::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
      repeating-linear-gradient(45deg,
        transparent 0,
        transparent 24px,
        rgba(245,243,238,0.015) 24px,
        rgba(245,243,238,0.015) 25px);
    pointer-events: none;
  }
  .placeholder-media::after {
    content: '';
    position: absolute;
    width: 240px;
    height: 240px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(196,30,30,0.25) 0%, transparent 70%);
    filter: blur(40px);
  }
  .placeholder-media .ph-label {
    position: relative;
    z-index: 2;
    font-family: var(--mono);
    font-size: var(--fs-xs);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: rgba(245,243,238,0.4);
    font-weight: 500;
    text-align: center;
    padding: 0 24px;
  }
  /* Variation: cooler placeholder for environment shots */
  .placeholder-media.cool {
    background: linear-gradient(135deg, #161824 0%, #1a1a22 50%, #18141c 100%);
  }
  .placeholder-media.cool::after {
    background: radial-gradient(circle, rgba(80,90,150,0.25) 0%, transparent 70%);
  }
  /* Variation: warm */
  .placeholder-media.warm {
    background: linear-gradient(135deg, #2a1f14 0%, #1d1818 50%, #2a1418 100%);
  }
  .placeholder-media.warm::after {
    background: radial-gradient(circle, rgba(220,140,60,0.2) 0%, transparent 70%);
  }

  /* ───── Lightbox ───── */
  .lightbox {
    position: fixed;
    inset: 0;
    background: rgba(11, 10, 14, 0.96);
    backdrop-filter: blur(20px);
    z-index: 200;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 5vh 5vw;
  }
  .lightbox.open { display: flex; }
  .lightbox-content {
    max-width: 100%;
    max-height: 100%;
    aspect-ratio: 16/9;
    width: 100%;
    background: var(--black-2);
    border-radius: 20px;
    overflow: hidden;
    position: relative;
  }
  .lightbox-close {
    position: absolute;
    top: 24px;
    right: 24px;
    width: 44px; height: 44px;
    background: rgba(22, 21, 26, 0.7);
    border: 1px solid var(--border-bright);
    border-radius: 50%;
    color: var(--white);
    font-size: var(--fs-md);
    cursor: pointer;
    z-index: 210;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(8px);
  }
  .lightbox-caption {
    position: absolute;
    bottom: 24px;
    left: 24px;
    z-index: 210;
    padding: 10px 18px;
    background: rgba(22, 21, 26, 0.7);
    border: 1px solid var(--border);
    border-radius: 100px;
    font-family: var(--mono);
    font-size: var(--fs-2xs);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--white);
    backdrop-filter: blur(8px);
  }
  .lightbox-content .placeholder-media { width: 100%; height: 100%; }
  .lightbox-content img,
  .lightbox-content video {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: var(--black);
    display: block;
  }

  /* ───── Reveal animations ───── */
  .reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.8s ease, transform 0.8s ease;
  }
  .reveal.in {
    opacity: 1;
    transform: translateY(0);
  }

  /* ───── Responsive ───── */
  @media (max-width: 900px) {
    .stats-bar-inner { grid-template-columns: repeat(2, 1fr); gap: 36px; }
    .brief { grid-template-columns: 1fr; gap: 48px; }
    .brief-meta { border-left: none; border-top: 1px solid var(--border); padding-left: 0; padding-top: 32px; }
    .gallery-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 160px; }
    .gallery-grid .tile { grid-column: span 2 !important; grid-row: span 1 !important; }
    .gallery-grid .tile.tall { grid-row: span 2 !important; }
    .process-grid { grid-template-columns: 1fr; }
    .results-grid { grid-template-columns: 1fr; }
    .next-cta-inner { grid-template-columns: 1fr; }
    section { padding: 80px max(20px, 4vw); }
    .topbar { top: 12px; padding: 0 16px; }
    .crumb, .topbar-meta { font-size: var(--fs-3xs); padding: 8px 14px; }
  }

  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
      animation-duration: 0.01ms !important;
      transition-duration: 0.01ms !important;
    }
    .reveal { opacity: 1; transform: none; }
  }

/* ============================================================
   DESIGN ELEVATION v1 — case-study cohesion (matches the homepage finish).
   Additive: focus rings, press feedback, tinted tile/card elevation.
   ============================================================ */
:root{
  /* Type scale — shared with index.html (text tier <=20px; display + clamp() stay literal) */
  --fs-3xs:10px; --fs-2xs:11px; --fs-xs:12px; --fs-sm:13px;
  --fs-base:14px; --fs-md:16px; --fs-lg:18px; --fs-xl:20px;
  --ease-expo:cubic-bezier(0.16,1,0.3,1);
  --shadow-color:252 10% 3%;
  --elev-1:0 2px 8px hsl(var(--shadow-color) / 0.35);
  --elev-3:0 18px 50px hsl(var(--shadow-color) / 0.55);
}
:where(a,button,[tabindex]):focus-visible{ outline:2px solid var(--red-glow); outline-offset:3px; border-radius:6px; }
.cta-card:active, .crumb:active, .tile:active{ transform:scale(0.985); transition-duration:0.08s; }
.tile{ box-shadow:var(--elev-1); transition:transform 0.4s var(--ease-expo), border-color 0.3s ease, box-shadow 0.4s var(--ease-expo); }
@media (hover:hover) and (pointer:fine){
  .tile:hover{ box-shadow:var(--elev-3); }
  .cta-card:hover{ box-shadow:var(--elev-3); }
}

/* ============================================================
   PHASE 3 — cross-document view transitions (matches the homepage opt-in,
   so home <-> case-study navigation morphs instead of hard-cutting).
   ============================================================ */
@view-transition{ navigation:auto; }
::view-transition-old(root),
::view-transition-new(root){ animation-duration:.35s; animation-timing-function:var(--ease-expo); }
@media (prefers-reduced-motion: reduce){
  ::view-transition-group(*), ::view-transition-old(*), ::view-transition-new(*){ animation:none !important; }
}