/* Shared styles for case study detail pages */
:root{
  color-scheme:light;
  --bg:#ffffff;
  --ink:#0a0a0a;
  --ink-2:#333333;
  --muted:#888888;
  --line:#e5e5e5;
  --card:#f5f5f5;
  --accent:#0099ff;
  --accent-ink:#0066cc;
  --chip:#efefef;
  --ok:#1f7a35;
  --warn:#b45309;
  --crit:#c13a14;
  --radius:6px;
  --fs-sans:'Google Sans Flex',system-ui,sans-serif;
  --fs-display:'Noto Serif Display',Georgia,serif;
  --fs-mono:'Google Sans Flex',system-ui,sans-serif;
  --bar-bg:rgba(255,255,255,.88);
  --bar-border:rgba(0,0,0,.08);
  --surface:#ffffff;
  --quote-bg:#f1ebdc;
  --vis-bg:#12110f;
  --vis-annot-bg:#15150f;
  --accent-soft:rgba(0,153,255,.12);
  --accent-border:rgba(0,153,255,.3);
  --next-glow:rgba(0,153,255,.05);
  --next-shadow:rgba(14,14,12,.15);
  --img-fallback:#0f1115;
}

[data-theme="dark"]{
  color-scheme:dark;
  --bg:#0c0c0e;
  --ink:#ededec;
  --ink-2:#b4b4b8;
  --muted:#737378;
  --line:#2a2a30;
  --card:#151518;
  --accent:#3dabff;
  --accent-ink:#7ec4ff;
  --chip:#1c1c21;
  --ok:#4ade80;
  --warn:#fbbf24;
  --crit:#f87171;
  --bar-bg:rgba(12,12,14,.92);
  --bar-border:rgba(255,255,255,.08);
  --surface:#1a1a1f;
  --quote-bg:#1a1a1f;
  --vis-bg:#0a0a0c;
  --vis-annot-bg:#121218;
  --accent-soft:rgba(61,171,255,.14);
  --accent-border:rgba(61,171,255,.35);
  --next-glow:rgba(61,171,255,.08);
  --next-shadow:rgba(0,0,0,.45);
  --img-fallback:#0a0a0c;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:var(--fs-sans);-webkit-font-smoothing:antialiased;font-feature-settings:"ss01","cv11";transition:background-color .25s ease,color .25s ease}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}

/* —— Top bar —— */
.bar{position:sticky;top:0;z-index:50;display:flex;justify-content:space-between;align-items:center;padding:14px 28px;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);background:var(--bar-bg);border-bottom:1px solid var(--bar-border);transition:background .25s,border-color .25s}
.bar .back{font-family:var(--fs-mono);font-size:12px;color:var(--ink-2);display:inline-flex;gap:8px;align-items:center;white-space:nowrap}
.bar .back:hover{color:var(--accent)}
.bar .progress{flex:1;height:2px;background:var(--line);margin:0 28px;border-radius:2px;overflow:hidden;position:relative;max-width:480px}
.bar .progress .fill{position:absolute;inset:0;background:var(--accent);transform-origin:left;transform:scaleX(0);transition:transform .1s linear}
.bar-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.bar .meta{font-family:var(--fs-mono);font-size:11px;color:var(--muted);letter-spacing:.06em;text-transform:uppercase;white-space:nowrap}
.theme-toggle{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;padding:0;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);color:var(--ink);cursor:pointer;transition:transform .15s,border-color .15s,background .15s,color .15s;flex-shrink:0}
.theme-toggle:hover{border-color:var(--ink);transform:translateY(-1px)}
.theme-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.theme-toggle svg{width:16px;height:16px;flex-shrink:0}
.theme-toggle .theme-toggle__sun{display:block}
.theme-toggle .theme-toggle__moon{display:none}
[data-theme="dark"] .theme-toggle .theme-toggle__sun{display:none}
[data-theme="dark"] .theme-toggle .theme-toggle__moon{display:block}
@media (max-width:720px){.bar .progress{margin:0 14px}.bar .meta{display:none}}

.wrap{max-width:1120px;margin:0 auto;padding:60px 28px 0}

/* —— Hero —— */
.ch-kicker{display:flex;gap:8px;flex-wrap:wrap;font-family:var(--fs-mono);font-size:11px;letter-spacing:.04em;color:var(--muted);margin-bottom:22px}
.ch-kicker .chip{padding:4px 10px;background:var(--chip);border-radius:999px;color:var(--ink-2)}
.ch-kicker .chip.hot{background:var(--accent);color:#fff}

.ch-title{font-family:var(--fs-display);font-weight:500;font-size:clamp(36px,5.6vw,72px);line-height:1.3;letter-spacing:-0.035em;margin:0 0 20px;max-width:28ch}
.ch-title em{font-style:normal;color:var(--accent-ink);font-weight:500}
.ch-lede{font-size:19px;line-height:1.55;color:var(--ink-2);max-width:80ch;margin:0}
.ch-lede b{font-weight:700;color:var(--ink)}

/* TL;DR */
.tldr{margin:44px 0 0;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px 32px;display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
@media (max-width:820px){.tldr{grid-template-columns:repeat(2,1fr);gap:20px}}
.tldr .k{font-family:var(--fs-mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.tldr .v{font-size:15px;line-height:1.4;color:var(--ink)}
.tldr .v b{font-weight:700}

/* Hero visual slot */
.hero-visual{margin:44px 0 0;border-radius:var(--radius);overflow:hidden;aspect-ratio:16/9;position:relative;border:1px solid var(--line)}
.hero-visual .placeholder{position:absolute;inset:0;display:grid;place-items:center;color:rgba(255,255,255,.6);font-family:var(--fs-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;text-align:center}

/* —— Section scaffolding —— */
section.cs{max-width:1120px;margin:0 auto;padding:0 28px 80px}
.cs-head{display:grid;grid-template-columns:120px 1fr;gap:30px;align-items:baseline;margin:90px 0 24px}
.cs-head > *{min-width:0}
@media (max-width:720px){.cs-head{grid-template-columns:1fr;gap:6px;margin:60px 0 20px}}
.cs-num{font-family:var(--fs-mono);font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);padding-top:14px}
.cs-h{font-family:var(--fs-display);font-weight:500;font-size:clamp(24px,3vw,36px);letter-spacing:-0.028em;line-height:1.3;margin:0;max-width:36ch}
.cs-h em{font-style:normal;color:var(--accent-ink);font-weight:500}
.cs-body{display:grid;grid-template-columns:120px 1fr;gap:30px}
.cs-body > *{min-width:0}
@media (max-width:720px){.cs-body{grid-template-columns:1fr}}
.cs-body .spacer{display:block}
@media (max-width:720px){.cs-body .spacer{display:none}}
.cs-body p{font-size:17px;line-height:1.6;color:var(--ink-2);margin:0 0 16px;max-width:75ch}
.cs-body p b{font-weight:700;color:var(--ink)}
.cs-body p:last-child{margin-bottom:0}
.cs-body ul,.cs-body ol{margin:0 0 16px;padding-left:20px;max-width:82ch}
.cs-body ul li,.cs-body ol li{font-size:16.5px;line-height:1.55;color:var(--ink-2);margin-bottom:8px}

/* Quote */
.quote{padding:18px 22px;border-left:3px solid var(--accent);background:var(--quote-bg);border-radius:0 8px 8px 0;font-size:17px;line-height:1.5;color:var(--ink);max-width:75ch;margin:10px 0 18px}
.quote .who{display:block;margin-top:8px;font-family:var(--fs-mono);font-size:11px;color:var(--muted);letter-spacing:.04em}

/* Visual placeholder blocks */
.vis{background:var(--vis-bg);border-radius:var(--radius);overflow:hidden;position:relative;margin:4px 0 20px;border:1px solid var(--line)}
.vis.anno{display:grid;grid-template-columns:1.4fr 1fr;gap:0}
@media (max-width:820px){.vis.anno{grid-template-columns:1fr}}
.vis .panel{aspect-ratio:16/10;position:relative}
.vis .annots{padding:24px 26px;color:#e8e4d5;background:var(--vis-annot-bg)}
.vis .annots h4{font-family:var(--fs-display);font-weight:500;font-size:16px;letter-spacing:-0.015em;margin:0 0 10px;color:#fff}
.vis .annots p{font-size:13.5px;line-height:1.55;color:#bdb6a8;margin:0 0 12px}
.vis .annots .tag{display:inline-block;font-family:var(--fs-mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);padding:3px 8px;background:var(--accent-soft);border-radius:999px;margin-bottom:10px}
.vis .tagline{position:absolute;left:14px;bottom:12px;font-family:var(--fs-mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.65);padding:4px 9px;background:rgba(0,0,0,.5);backdrop-filter:blur(4px);border-radius:4px}
.vis .nda{position:absolute;top:14px;right:14px;font-family:var(--fs-mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:#e87070;padding:4px 9px;background:rgba(193,58,20,.18);border:1px solid rgba(232,112,112,.3);border-radius:4px}
.vis svg{width:100%;height:100%;display:block}

/* Image grid */
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:4px 0 20px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:4px 0 20px}
@media (max-width:820px){.grid2,.grid3{grid-template-columns:1fr}}
.grid2 .vis,.grid3 .vis{margin:0}
.grid2 .vis .panel,.grid3 .vis .panel{aspect-ratio:4/3}

/* Tokens swatch */
.tokens{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:10px;margin:6px 0 22px}
.tok{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px;display:flex;flex-direction:column;gap:8px}
.tok .sw{width:100%;aspect-ratio:2/1;border-radius:6px;border:1px solid var(--line)}
.tok .name{font-family:var(--fs-mono);font-size:10.5px;color:var(--ink);letter-spacing:.02em}
.tok .hex{font-family:var(--fs-mono);font-size:10px;color:var(--muted)}

/* Spec row */
.spec{display:grid;grid-template-columns:200px 1fr;gap:18px;padding:16px 0;border-top:1px solid var(--line);align-items:baseline}
.spec:last-child{border-bottom:1px solid var(--line)}
@media (max-width:720px){.spec{grid-template-columns:1fr;gap:4px;padding:14px 0}}
.spec .k{font-family:var(--fs-mono);font-size:12px;color:var(--muted);letter-spacing:.04em;text-transform:uppercase}
.spec .v{font-size:16px;line-height:1.5;color:var(--ink-2)}
.spec .v b{font-weight:700;color:var(--ink)}

/* AI feature card */
.ai-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:4px 0 20px}
@media (max-width:820px){.ai-grid{grid-template-columns:1fr}}
.ai-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px 26px;position:relative}
.ai-card .badge{font-family:var(--fs-mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);padding:3px 8px;background:var(--accent-soft);border-radius:999px;display:inline-block;margin-bottom:10px}
.ai-card h4{font-family:var(--fs-display);font-weight:500;font-size:18px;letter-spacing:-0.015em;margin:0 0 10px}
.ai-card p{font-size:14.5px;line-height:1.55;color:var(--ink-2);margin:0 0 10px}
.ai-card .row{display:flex;justify-content:space-between;gap:12px;font-family:var(--fs-mono);font-size:11px;color:var(--muted);padding-top:12px;border-top:1px dashed var(--line)}
.ai-card .row b{color:var(--ink);font-weight:700}

/* Metrics */
.metrics-big{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:4px 0 20px}
@media (max-width:820px){.metrics-big{grid-template-columns:repeat(2,1fr)}}
.mb{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px 22px}
.mb .n{font-family:var(--fs-display);font-weight:500;font-size:clamp(28px,3vw,36px);line-height:1;letter-spacing:-0.03em;color:var(--accent-ink);margin-bottom:10px}
.mb .l{font-family:var(--fs-mono);font-size:11px;letter-spacing:.04em;color:var(--muted);line-height:1.4}

/* Reflections */
.refl{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:4px 0 20px}
@media (max-width:820px){.refl{grid-template-columns:1fr}}
.refl .r{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px}
.refl .r .lbl{font-family:var(--fs-mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:10px}
.refl .r .lbl.good{color:var(--ok)}
.refl .r .lbl.mid{color:var(--warn)}
.refl .r .lbl.bad{color:var(--crit)}
.refl .r p{font-size:14.5px;line-height:1.55;color:var(--ink-2);margin:0}

/* —— Next case footer —— */
.next{margin-top:80px;padding:70px 0 90px;border-top:1px solid var(--line);background:
  radial-gradient(circle at 80% 50%, var(--next-glow), transparent 55%)
}
.next .inner{max-width:1120px;margin:0 auto;padding:0 28px;display:grid;grid-template-columns:1fr 1fr;gap:40px}
@media (max-width:820px){.next .inner{grid-template-columns:1fr;gap:24px}}
.next a{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px 32px;transition:transform .2s,box-shadow .2s;display:block}
.next a:hover{transform:translateY(-3px);box-shadow:0 18px 40px -18px var(--next-shadow)}
.next .lbl{font-family:var(--fs-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:10px}
.next h3{font-family:var(--fs-display);font-weight:500;font-size:24px;letter-spacing:-0.025em;margin:0 0 8px;line-height:1.15}
.next p{font-size:14px;color:var(--muted);margin:0}

.foot{padding:30px 28px;border-top:1px solid var(--line);font-family:var(--fs-mono);font-size:11px;color:var(--muted);letter-spacing:.06em;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;text-transform:uppercase}
.foot a:hover{color:var(--accent)}

/* —— Image carousel —— */
.cc{margin-top:32px;border-radius:12px;overflow:hidden;background:#0e0e0c;border:1px solid #2a2820}
.cc-stage{position:relative;width:100%;aspect-ratio:16/9;overflow:hidden}
.cc-slide{position:absolute;inset:0;opacity:0;transition:opacity 0.4s ease;pointer-events:none}
.cc-slide.cc-active{opacity:1;pointer-events:auto}
.cc-img-wrap{position:relative;width:100%;height:100%}
.cc-img-wrap img{width:100%;height:100%;object-fit:cover;object-position:top left;display:block}
.cc-blur{position:absolute;top:0;left:0;width:42px;height:44px;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom-right-radius:10px}
.cc-blur-tr{position:absolute;top:0;right:0;width:50px;height:22px;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom-left-radius:10px}
.cc-caption{position:absolute;bottom:0;left:0;right:0;padding:10px 16px;background:linear-gradient(transparent,rgba(10,10,8,.82));font-family:var(--fs-mono);font-size:11px;letter-spacing:.04em;color:#6b665c;text-transform:uppercase}
.cc-bar{display:flex;align-items:center;gap:12px;padding:10px 16px;border-top:1px solid #1a1a17}
.cc-btn{background:none;border:1px solid #2a2820;border-radius:6px;color:#6b665c;cursor:pointer;width:30px;height:30px;display:flex;align-items:center;justify-content:center;transition:border-color .15s,color .15s;flex-shrink:0}
.cc-btn:hover{border-color:var(--accent);color:var(--accent)}
.cc-dots{display:flex;gap:6px;flex:1;justify-content:center}
.cc-dot{width:6px;height:6px;border-radius:50%;background:#2a2820;border:none;cursor:pointer;padding:0;transition:background .2s,transform .2s}
.cc-dot.cc-dot-active{background:var(--accent);transform:scale(1.25)}
.cc-count{font-family:var(--fs-mono);font-size:11px;color:#3a372e;letter-spacing:.04em;flex-shrink:0}

/* —— Horizontal scroll carousel (3i case) —— */
.case-carousel{max-width:1120px;margin:60px auto 80px;padding:0 28px}
.carousel-eyebrow{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:14px 0;margin-bottom:28px}
.carousel-eyebrow .eyebrow-label{font-family:var(--fs-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.carousel-controls{display:flex;gap:8px}
.carousel-prev,.carousel-next{font-size:16px;color:var(--ink-2);background:none;border:1px solid var(--line);border-radius:6px;width:36px;height:36px;cursor:pointer;transition:border-color .15s,color .15s;display:flex;align-items:center;justify-content:center}
.carousel-prev:hover,.carousel-next:hover{border-color:var(--accent);color:var(--accent)}
.carousel-track{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;scroll-behavior:smooth;-webkit-overflow-scrolling:touch;scrollbar-width:none;padding-bottom:8px}
.carousel-track::-webkit-scrollbar{display:none}
.carousel-slide{flex:0 0 auto;width:clamp(280px,62vw,880px);margin:0;scroll-snap-align:start;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.carousel-slide img{display:block;width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;background:var(--img-fallback)}
.carousel-slide figcaption{display:flex;align-items:center;gap:14px;padding:14px 18px;border-top:1px solid var(--line)}
.slide-tag{font-family:var(--fs-mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);border:1px solid var(--accent-border);padding:3px 9px;border-radius:999px;flex-shrink:0}
.slide-caption{font-family:var(--fs-sans);font-size:13px;color:var(--muted);line-height:1.4}
.carousel-dots{display:flex;justify-content:center;gap:8px;margin-top:18px}
.carousel-dot{width:24px;height:2px;background:var(--line);border:none;cursor:pointer;padding:0;transition:background .2s,width .2s}
.carousel-dot.is-active{background:var(--accent);width:32px}
@media(max-width:768px){.case-carousel{margin:40px auto 56px}.carousel-slide{width:86vw}}

/* —— Featured project cards (3i case) —— */
.featured-project{border-top:1px solid var(--line);padding:56px 0}
.featured-project:last-child{border-bottom:1px solid var(--line)}
.featured-project-head{margin-bottom:36px}
.featured-project-tag{display:inline-block;font-family:var(--fs-mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:14px}
.featured-project-title{font-family:var(--fs-display);font-weight:500;font-size:clamp(22px,2.8vw,36px);line-height:1.1;letter-spacing:-0.025em;color:var(--ink);margin:0 0 10px}
.featured-project-title em{font-style:normal;color:var(--accent-ink)}
.featured-project-meta{font-size:15px;color:var(--muted);margin:0}
.featured-project-grid{display:grid;grid-template-columns:1fr 1fr;gap:36px 48px}
.featured-project-grid>div h4{font-family:var(--fs-mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin:0 0 10px}
.featured-project-grid>div p,.featured-project-grid .case-list{font-size:15.5px;line-height:1.6;color:var(--ink-2);margin:0}
.featured-project-grid .case-list{padding-left:0;list-style:none}
.featured-project-grid .case-list li{padding-left:18px;position:relative;margin-bottom:10px;font-size:15.5px;line-height:1.6;color:var(--ink-2)}
.featured-project-grid .case-list li::before{content:"—";position:absolute;left:0;color:var(--accent)}
@media(max-width:768px){.featured-project{padding:40px 0}.featured-project-grid{grid-template-columns:1fr;gap:28px}}

/* ── Case screenshot figures ── */
.case-hero-screenshot,.case-inline-screenshot{margin:32px 0 16px;padding:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--card)}
.case-inline-screenshot{margin:56px 0}
.case-hero-screenshot img,.case-inline-screenshot img{display:block;width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;background:var(--img-fallback)}
.case-hero-screenshot figcaption,.case-inline-screenshot figcaption{display:flex;align-items:center;gap:14px;padding:14px 20px;border-top:1px solid var(--line)}
.screenshot-tag{font-family:var(--fs-mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);border:1px solid var(--accent-border);padding:4px 10px;border-radius:3px;flex-shrink:0}
.screenshot-caption{font-family:var(--fs-display);font-style:italic;font-size:15px;color:var(--muted);line-height:1.4}

/* Token / mapping tables (design-system case pages) */
[data-theme="dark"] .dt th,
[data-theme="dark"] .dt code{background:var(--chip)}