/* ===== Shared case-study components (Ben-style flow, warm palette) ===== */
html{scroll-behavior:smooth}
.cs-section[id]{scroll-margin-top:120px}

/* Leading problem statement */
.cs-bigstatement{font-family:var(--serif);font-weight:500;font-size:clamp(1.6rem,3.4vw,2.4rem);line-height:1.3;color:var(--brown-900);max-width:22ch;margin:0 auto 1.2rem;text-align:center}
.cs-statement-sub{text-align:center;color:var(--brown-600);font-size:1.12rem;max-width:62ch;margin:0 auto;line-height:1.6}

/* Impact metrics */
.cs-impact{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:8px}
.metric{background:#fff;border:1px solid var(--brown-100);border-radius:20px;padding:26px 24px;box-shadow:var(--shadow-sm)}
.metric .mnum{font-family:var(--serif);font-weight:600;line-height:1.05;font-size:clamp(1.8rem,3.2vw,2.5rem);background:linear-gradient(120deg,var(--brown-700),var(--brown-400));-webkit-background-clip:text;background-clip:text;color:transparent}
.metric .mlabel{font-family:var(--sans);font-weight:700;font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;color:var(--brown-500);margin:.7rem 0 .5rem}
.metric p{color:var(--brown-600);font-size:.95rem;margin:0;line-height:1.55}
.impact-note{text-align:center;color:var(--brown-400);font-size:.82rem;margin-top:14px}

/* Sticky TOC */
.cs-toc{position:sticky;top:74px;z-index:30;display:flex;gap:6px;flex-wrap:wrap;justify-content:center;background:rgba(254,248,240,.82);backdrop-filter:blur(10px);border:1px solid var(--brown-100);border-radius:999px;padding:8px;margin:0 auto;max-width:max-content;box-shadow:var(--shadow-sm)}
.cs-toc a{font-family:var(--sans);font-weight:600;font-size:.82rem;color:var(--brown-600);padding:.45rem .95rem;border-radius:999px;transition:.2s;white-space:nowrap}
.cs-toc a:hover{background:var(--brown-100);color:var(--brown-800)}
.cs-toc a.active{background:var(--brown-700);color:#fff}

/* Research step cards */
.rsteps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.rstep-card{background:#fff;border:1px solid var(--brown-100);border-radius:18px;padding:24px;box-shadow:var(--shadow-sm)}
.rstep-card .num{font-family:var(--serif);font-size:1.7rem;color:var(--brown-300);font-weight:600}
.rstep-card h4{font-size:1.15rem;margin:.3rem 0 .5rem}
.rstep-card p{color:var(--brown-600);font-size:.92rem;margin:0 0 .9rem;line-height:1.55}
.rstep-card .tags{display:flex;gap:.4rem;flex-wrap:wrap}

/* Metric callouts inside solution rows */
.sol-metrics{display:flex;gap:14px;flex-wrap:wrap;margin-top:1.1rem}
.sol-metric{flex:1;min-width:140px;background:var(--brown-50);border:1px solid var(--brown-100);border-radius:14px;padding:13px 15px}
.sol-metric b{display:block;font-family:var(--serif);font-weight:600;font-size:1.3rem;color:var(--brown-800);line-height:1.1}
.sol-metric span{font-family:var(--sans);font-size:.82rem;color:var(--brown-600);display:block;margin-top:.35rem;line-height:1.4}

/* Framed product shot */
.shot-frame{position:relative;border-radius:18px;overflow:hidden;background:#fff;border:1px solid var(--brown-200);box-shadow:0 30px 60px -34px rgba(74,47,23,.5)}
.shot-chrome{display:flex;align-items:center;gap:7px;padding:11px 14px;background:linear-gradient(180deg,#fff,var(--cream-100));border-bottom:1px solid var(--brown-100)}
.shot-chrome i{width:11px;height:11px;border-radius:999px}
.shot-chrome i:nth-child(1){background:#e6a07a}.shot-chrome i:nth-child(2){background:#e8c98a}.shot-chrome i:nth-child(3){background:#a9c79a}
.shot-chrome span{margin-left:10px;font-family:var(--sans);font-size:.76rem;color:var(--brown-500);font-weight:600}
.shot-frame img{display:block;width:100%}
.cs-caption{text-align:center;color:var(--brown-400);font-size:.85rem;margin-top:12px}

/* Big testimonial */
.cs-testimonial{background:linear-gradient(135deg,var(--brown-800),var(--brown-900));border-radius:26px;padding:48px 44px;text-align:center;color:#fff;box-shadow:var(--shadow)}
.cs-testimonial blockquote{font-family:var(--serif);font-weight:500;font-size:clamp(1.4rem,2.8vw,2rem);line-height:1.35;margin:0 auto;max-width:28ch}
.cs-testimonial .who{font-family:var(--sans);font-weight:600;font-size:.9rem;letter-spacing:.04em;color:var(--brown-200);margin-top:1.4rem;text-transform:uppercase}

/* More case studies */
.more-cases{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.mc-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--brown-100);border-radius:20px;overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .3s,box-shadow .3s}
.mc-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.mc-thumb{aspect-ratio:16/11;overflow:hidden;background:var(--brown-100)}
.mc-thumb img{width:100%;height:100%;object-fit:cover;object-position:top;display:block}
.mc-body{padding:18px 20px 22px}
.mc-body .tag{margin-bottom:.5rem}
.mc-body h4{font-size:1.18rem;margin:.1rem 0 .35rem}
.mc-body p{color:var(--brown-600);font-size:.9rem;margin:0 0 .8rem}
.mc-body .read{font-family:var(--sans);font-weight:700;color:var(--brown-700);font-size:.88rem}

/* Phone-format media inside solution rows (portrait screens) */
.sol-media.is-phone{display:flex;gap:16px;justify-content:center;background:transparent;box-shadow:none}
.sol-media.is-phone img{width:auto;max-height:440px;border-radius:22px;border:1px solid var(--brown-100);box-shadow:var(--shadow-sm)}

@media(max-width:880px){
  .cs-impact{grid-template-columns:1fr}
  .rsteps{grid-template-columns:1fr}
  .more-cases{grid-template-columns:1fr}
  .sol-media.is-phone img{max-height:340px}
}

/* ---- interactive prototype embed ---- */
.proto-embed{display:flex;gap:48px;align-items:center;justify-content:center;flex-wrap:wrap;margin-top:8px}
.proto-device{flex:0 0 auto;width:min(290px,72vw);aspect-ratio:390/820;overflow:hidden;background:transparent}
.proto-device iframe{width:100%;height:100%;border:0;display:block;background:transparent}
.proto-side{flex:1 1 290px;max-width:380px}
.proto-side h4{font-size:1.1rem;margin:0 0 .85rem;color:var(--brown-900)}
.proto-list{list-style:none;padding:0;margin:0 0 1.1rem;display:flex;flex-direction:column;gap:.78rem}
.proto-list li{position:relative;padding-left:1.5rem;line-height:1.5;font-size:.97rem;color:var(--brown-600)}
.proto-list li b{font-weight:800;color:var(--brown-900)}
.proto-list li::before{content:"";position:absolute;left:0;top:.46em;width:9px;height:9px;border-radius:50%;
  background:linear-gradient(135deg,var(--brown-700),var(--brown-400))}
.proto-hint{font-size:.86rem;color:var(--brown-500)}
@media (max-width:820px){
  .proto-embed{flex-direction:column}
  .proto-side{text-align:center;max-width:540px}
  .proto-list{text-align:left;max-width:430px;margin-inline:auto}
}

/* ---- tame full-length screen exports into annotated phone previews ---- */
.sol-media{display:flex;justify-content:center}
.sol-media img{width:100%;max-width:300px;height:520px;object-fit:cover;object-position:top center;
  border-radius:24px;display:block;margin-inline:auto;border:1px solid var(--brown-100);box-shadow:var(--shadow)}
.phone-shot{position:relative;width:300px;max-width:100%;margin-inline:auto;border-radius:24px;overflow:hidden;
  border:1px solid var(--brown-100);box-shadow:var(--shadow)}
.phone-shot img{display:block!important;width:100%!important;max-width:none!important;height:520px!important;
  object-fit:cover;object-position:top center;border:0!important;border-radius:0!important;box-shadow:none!important;margin:0!important}
.shot-note{position:absolute;left:0;right:0;bottom:0;padding:38px 16px 16px;color:#fff;font-size:.8rem;font-weight:600;line-height:1.38;
  background:linear-gradient(180deg,rgba(28,18,10,0) 0%,rgba(28,18,10,.55) 45%,rgba(24,15,8,.92) 100%)}
.shot-note .k{display:block;font-size:.6rem;font-weight:800;letter-spacing:.11em;text-transform:uppercase;color:#ffcaa0;margin-bottom:5px}
@media (max-width:760px){.phone-shot img{height:460px!important}}

/* ---- research synthesis themes + research→design thread ---- */
.synth{margin-top:6px}
.theme-card{background:#fff;border:1px solid var(--brown-100);border-radius:18px;padding:20px;box-shadow:var(--shadow-sm)}
.theme-tag{font-size:.62rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--brown-500)}
.theme-card h4{margin:.55rem 0 .5rem;font-size:1.02rem;color:var(--brown-900)}
.theme-card p{color:var(--brown-600);font-size:.9rem;line-height:1.5;margin:0 0 .85rem}
.theme-card .ev{font-size:.78rem;font-style:italic;color:var(--brown-700);border-left:3px solid var(--brown-200);padding-left:11px;margin-bottom:.9rem;line-height:1.45}
.theme-card .leads{font-size:.84rem;font-weight:800;color:var(--brown-900)}
.theme-card .leads b{color:#E85427}
.from-research{display:inline-block;font-size:.72rem;font-weight:800;color:var(--brown-600);background:var(--brown-50);
  border:1px solid var(--brown-100);border-radius:99px;padding:5px 12px;margin-bottom:12px}
.from-research b{color:#E85427}

/* ---- hero shot: breathing room + a touch smaller ---- */
.cs-hero-shot{margin-top:36px}
.cs-hero-shot .shot-frame{max-width:900px;margin-inline:auto}
/* ---- balanced line breaks — no orphan words on their own line ---- */
.cs-title,.cs-bigstatement,.section-head h2,.section-head h3{text-wrap:balance}
.cs-statement-sub,.section-head p,.cs-ov-item p,.theme-card p{text-wrap:pretty}
.screen-grid img{width:100%;height:380px;object-fit:cover;object-position:top center;border-radius:14px;display:block}
@media (max-width:760px){
  .sol-media img{height:460px;max-width:280px}
  .screen-grid img{height:300px}
}

/* ===========================================================
   MOBILE FIXES (phones) — shared case-study components
   =========================================================== */
@media(max-width:560px){
  /* TOC: a sticky section-nav doesn't earn its space on a phone — every
     layout (wrap / scroll) looked cramped or cut. Hide it; the page is
     short enough to scroll. */
  .cs-toc{display:none}
  /* swipeable carousel — one phone prominent at a readable size, a peek of the
     next hints you can swipe. Scrolls inside its own box (no page overflow). */
  .sol-media.is-phone{flex-direction:row!important;flex-wrap:nowrap!important;gap:12px;justify-content:flex-start;
    overflow-x:auto;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;scrollbar-width:none;
    scroll-padding-left:2px;padding-bottom:8px}
  .sol-media.is-phone::-webkit-scrollbar{display:none}
  .sol-media.is-phone img{flex:0 0 auto!important;width:auto!important;height:460px!important;
    max-height:none!important;max-width:none!important;scroll-snap-align:start}
  /* screen galleries: a swipeable row per group instead of a tall stack of huge
     full-width screens (which created endless scrolling). */
  .screen-grid{display:flex!important;grid-template-columns:none!important;flex-wrap:nowrap!important;gap:12px;
    overflow-x:auto;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;scrollbar-width:none;padding-bottom:8px}
  .screen-grid::-webkit-scrollbar{display:none}
  .screen-grid img{flex:0 0 auto!important;width:auto!important;height:430px!important;
    max-height:none!important;max-width:none!important;object-fit:contain;scroll-snap-align:start}
}
@media(max-width:480px){
  .phone-shot img{height:420px!important}
}