/* ============ CASE STUDY PAGES (2B system) ============
   Shared by every /case-studies/<slug>/ page. Loaded after styles.css.
   Same literals as index.html and team: Newsreader 500 display,
   Instrument Sans body, ink #14171F + medical blue #246085, navy
   #10172A, warm gray #F4F4F2, periwinkle #E9EEFB, hairlines, and
   solid borderless 26px cards with the deep ink shadow.
   ===================================================== */
:root{
  --serif:'Newsreader',Georgia,'Times New Roman',serif;
  --sans:'Instrument Sans','Inter',system-ui,sans-serif;
  --hairline:rgba(16,23,42,.08);
  --hairline-2:rgba(16,23,42,.14);
  --card-shadow:0 24px 60px -36px rgba(16,23,42,.35);
}
body{background:#fff}
.wm-text{font-family:"Geist",system-ui,sans-serif;font-weight:400} /* wordmark stays exactly as on glace.sh */
.nav-link:hover{color:#246085}
.nav-dot{background:#246085}
.nav-login:hover{color:#246085;border-color:#c6d4e2}
.nav-book:hover{transform:none}

/* 1 · display + kicker voices */
.cs-h1,.cs-title,.cs-card h3,.cs-metric b,.cs-vs th[scope="row"],.cs-res b,.cs-take p,.cs-next b,.tcta-line,.cs-cpl-v{
  font-family:var(--serif);font-weight:500;font-optical-sizing:auto;text-transform:none;letter-spacing:-.012em;
}
.t-acc{color:#246085}
.cs-k{
  display:block;font-family:var(--sans);font-weight:600;font-size:.7rem;
  letter-spacing:.12em;text-transform:uppercase;color:#4A5160;
}

/* 2 · page head: copy left, proof card right */
.cs-head{padding-block:clamp(150px,20vh,210px) clamp(44px,5.5vw,72px)} /* block only: the container's gutter padding must survive */
.cs-head-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(36px,5vw,88px);align-items:center}
.cs-crumb{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:clamp(18px,2.2vw,26px);
  font-family:var(--sans);font-weight:600;font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;
  color:#4A5160;text-decoration:none;
}
.cs-crumb a{color:inherit;text-decoration:none}
.cs-crumb a:hover{color:#246085}
.cs-crumb i{font-style:normal;color:#AEB5C0}
.cs-h1{font-size:clamp(2rem,4.2vw,3.5rem);line-height:1.1;letter-spacing:-.015em;color:#14171F;margin:0;text-wrap:balance}
.cs-lead{max-width:48ch;font-size:1.05rem;line-height:1.75;color:#4A5160;margin:clamp(18px,2.2vw,26px) 0 0;text-wrap:pretty}
.cs-lead strong{color:#14171F;font-weight:600}

/* proof card in the head (module-card recipe) */
.cs-proof{
  display:flex;flex-direction:column;margin:0;
  padding:clamp(26px,3vw,36px) clamp(24px,3vw,34px) 28px;border-radius:26px;
  background:#E9EEFB;box-shadow:var(--card-shadow);
}
.cs-proof .cs-id{margin-top:auto;padding-top:28px}

/* text thread (Newark): the doctor's texts in navy, the assistant's replies on white */
.cs-thread{display:flex;flex-direction:column;gap:10px;margin-top:18px}
.cs-msg{
  max-width:86%;padding:12px 16px;border-radius:20px;
  font-family:var(--sans);font-size:.95rem;line-height:1.45;text-wrap:pretty;margin:0;
}
.cs-msg--out{align-self:flex-end;background:#10172A;color:#fff;border-bottom-right-radius:6px}
.cs-msg--in{align-self:flex-start;background:#fff;color:#14171F;border-bottom-left-radius:6px;box-shadow:0 8px 22px -16px rgba(16,23,42,.35)}
.cs-msg--in b{font-weight:600;color:#246085}
.cs-msg-t{
  align-self:center;margin:6px 0 2px;
  font-family:var(--sans);font-weight:600;font-size:.64rem;letter-spacing:.12em;text-transform:uppercase;color:#7C8595;
}

/* cost-per-lead bars (Glendale): relative, no absolute dollar figures */
.cs-cpl{display:flex;flex-direction:column;gap:22px;margin-top:22px}
.cs-cpl-row{display:flex;flex-direction:column;gap:9px}
.cs-cpl-top{display:flex;justify-content:space-between;align-items:baseline;gap:14px}
.cs-cpl-l{font-size:.92rem;font-weight:600;color:#14171F}
.cs-cpl-v{font-size:1.35rem;color:#246085;white-space:nowrap}
.cs-cpl-v--mut{color:#7C8595}
.cs-bar{height:12px;border-radius:999px;background:#fff;overflow:hidden}
.cs-bar>span{display:block;height:100%;border-radius:999px;background:#14171F}
.cs-bar--mut>span{background:#AEB5C0}
.cs-cpl-note{font-size:.8rem;line-height:1.6;color:#4A5160;margin:4px 0 0;text-wrap:pretty}

/* identity row: navy circle + bold name, same as the homepage .mod-id */
.cs-id{display:flex;align-items:center;gap:12px}
.cs-num{
  width:46px;height:46px;border-radius:50%;background:#10172A;color:#fff;
  display:grid;place-items:center;font-family:var(--sans);font-weight:600;font-size:.85rem;flex:none;
}
.cs-num svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.cs-name{line-height:1.3}
.cs-name b{display:block;font-size:.95rem;font-weight:700;color:#14171F}
.cs-name>span{font-size:.8rem;color:#4A5160}

/* 3 · key metrics: one warm-gray card split by hairlines */
.cs-metrics{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin:0;
  border-radius:26px;background:#F4F4F2;box-shadow:var(--card-shadow);
}
.cs-metric{display:flex;flex-direction:column;gap:12px;padding:clamp(24px,3vw,36px) clamp(22px,3vw,34px)}
.cs-metric + .cs-metric{border-left:1px solid var(--hairline-2)}
.cs-metric dt{order:2;font-family:var(--sans);font-weight:600;font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:#4A5160}
.cs-metric dd{order:1;margin:0}
.cs-metric b{display:block;font-size:clamp(2rem,3.6vw,3rem);line-height:1;letter-spacing:-.02em;color:#14171F;white-space:nowrap;font-variant-numeric:lining-nums tabular-nums}

/* 4 · story rows: title left, prose right (team-page pattern) */
.cs-sec{padding-top:clamp(64px,8vw,104px)}
.cs-row{
  display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(24px,5vw,96px);
  align-items:start;border-top:1px solid var(--hairline);padding-top:clamp(36px,4.5vw,56px);
}
.cs-title{font-size:clamp(1.5rem,2.6vw,2.1rem);line-height:1.15;color:#14171F;margin:12px 0 0;text-wrap:balance}
.cs-prose{max-width:62ch;justify-self:end;width:100%}
.cs-prose p{font-size:1rem;line-height:1.75;color:#4A5160;margin:0;text-wrap:pretty}
.cs-prose p + p{margin-top:1.2em}
.cs-prose strong{color:#14171F;font-weight:600}

/* section head above full-width content (homepage head pattern) */
.cs-shead{
  display:grid;grid-template-columns:auto 1fr;gap:clamp(24px,4vw,64px);align-items:end;
  border-top:1px solid var(--hairline);padding-top:clamp(36px,4.5vw,56px);margin-bottom:clamp(32px,4.5vw,56px);
}
.cs-shead .cs-title{white-space:nowrap}
.cs-shead p{margin:0;max-width:52ch;justify-self:end;text-align:right;font-size:clamp(.95rem,1.1vw,1.05rem);line-height:1.7;color:#4A5160;text-wrap:pretty}

/* 5 · what Glace built: module cards */
.cs-cards{display:grid;grid-template-columns:repeat(var(--cols,2),minmax(0,1fr));gap:clamp(18px,2.2vw,28px);list-style:none;margin:0;padding:0}
.cs-card{
  display:flex;flex-direction:column;
  padding:clamp(26px,3vw,36px) clamp(24px,3vw,34px) 30px;border-radius:26px;
  background:#F4F4F2;box-shadow:var(--card-shadow);
}
.cs-card:nth-child(even){background:#E9EEFB}
.cs-card h3{font-size:clamp(1.25rem,1.7vw,1.45rem);line-height:1.25;letter-spacing:-.01em;color:#14171F;margin:24px 0 0;text-wrap:balance}
.cs-card p{font-size:.95rem;line-height:1.7;color:#4A5160;margin:12px 0 0;text-wrap:pretty}
.cs-card q{color:#14171F;font-weight:500}

/* 5b · website showcase (Newark): desktop in a browser frame, phone overlapping */
.cs-site{margin:0;padding:clamp(24px,4vw,56px);border-radius:26px;background:#E9EEFB;box-shadow:var(--card-shadow)}
.cs-stage{position:relative;padding-right:clamp(40px,9vw,140px)}
.cs-browser{border-radius:14px;overflow:hidden;background:#fff;box-shadow:0 30px 70px -40px rgba(16,23,42,.55)}
.cs-browser-bar{display:flex;align-items:center;gap:6px;height:34px;padding:0 14px;background:#F4F4F2;border-bottom:1px solid var(--hairline)}
.cs-browser-bar i{width:9px;height:9px;border-radius:50%;background:#D3D7DE;flex:none}
.cs-browser-url{
  display:flex;align-items:center;height:22px;margin-left:12px;padding:0 12px;border-radius:999px;background:#fff;
  font-family:var(--sans);font-size:.72rem;color:#7C8595;white-space:nowrap;overflow:hidden;
}
.cs-browser img{display:block;width:100%;height:auto}
/* phone: navy bezel around a white screen; the screen keeps a status strip
   (island) and a home-indicator strip so the rounded corners never clip the
   site's sticky call bar */
.cs-phone{
  position:absolute;right:0;bottom:clamp(-48px,-3.4vw,-18px);width:clamp(130px,26%,290px);
  padding:clamp(5px,.55vw,8px);border-radius:clamp(26px,3vw,42px);background:#10172A;
  box-shadow:0 30px 60px -28px rgba(16,23,42,.6);
}
.cs-screen{
  position:relative;overflow:hidden;background:#fff;
  border-radius:clamp(21px,2.45vw,34px);padding-block:clamp(14px,1.5vw,22px);
}
.cs-screen::before,.cs-screen::after{content:"";position:absolute;left:50%;transform:translateX(-50%);border-radius:999px;background:#10172A}
.cs-screen::before{top:clamp(4px,.45vw,7px);width:30%;height:clamp(6px,.65vw,10px)} /* island */
.cs-screen::after{bottom:clamp(5px,.55vw,8px);width:34%;height:clamp(2px,.25vw,4px);opacity:.85} /* home indicator */
.cs-phone img{display:block;width:100%;height:auto}
.cs-site figcaption{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 20px;
  margin-top:clamp(36px,5vw,64px);font-size:.92rem;line-height:1.6;color:#4A5160;
}
.cs-site figcaption a{color:#246085;font-weight:600;text-decoration:none}
.cs-site figcaption a:hover{text-decoration:underline}

/* 5c · Instagram reels (Glendale): 9:16 cards, click to play */
.cs-reels{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(14px,1.8vw,22px);list-style:none;margin:0;padding:0}
.cs-reel{margin:0}
.cs-reel video{
  display:block;width:100%;height:auto;aspect-ratio:9/16;object-fit:cover;border-radius:22px;background:#10172A;
  box-shadow:var(--card-shadow);
}
.cs-reel figcaption{margin-top:12px;font-size:.84rem;line-height:1.5;color:#4A5160}
.cs-reel figcaption b{display:block;font-weight:600;color:#14171F}
.cs-handle{display:inline-flex;align-items:center;gap:8px;margin-top:clamp(18px,2.2vw,24px);font-family:var(--sans);font-weight:600;font-size:.92rem;color:#246085;text-decoration:none}
.cs-handle:hover{text-decoration:underline}
.cs-handle svg{width:16px;height:16px;flex:none;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* 6 · comparison table: hairline ledger, Glace column on periwinkle */
.cs-vs{width:100%;border-collapse:separate;border-spacing:0;font-family:var(--sans)}
.cs-vs th,.cs-vs td{padding:clamp(18px,2.2vw,26px) clamp(16px,2vw,28px);text-align:left;vertical-align:top;border-bottom:1px solid var(--hairline)}
.cs-vs thead th{
  padding-block:16px;font-weight:600;font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:#4A5160;
  border-bottom-color:var(--hairline-2);
}
.cs-vs th[scope="row"]{width:24%;padding-left:0;font-size:clamp(1.1rem,1.5vw,1.3rem);letter-spacing:-.008em;color:#14171F}
.cs-vs td{width:38%;font-size:.95rem;line-height:1.65;color:#4A5160;text-wrap:pretty}
.cs-vs .cs-vs-g{background:#E9EEFB;color:#14171F;font-weight:600}
.cs-vs thead .cs-vs-g{color:#246085;border-radius:18px 18px 0 0}
.cs-vs tbody tr:last-child .cs-vs-g{border-radius:0 0 18px 18px;border-bottom-color:transparent}

.cs-src{margin:clamp(16px,2vw,22px) 0 0;font-size:.8rem;line-height:1.6;color:#7C8595}

/* 7 · research ledger (Glendale): serif figure left, finding right */
.cs-res{list-style:none;margin:clamp(28px,3.5vw,40px) 0 0;padding:0;border-top:1px solid var(--hairline)}
.cs-res li{
  display:grid;grid-template-columns:clamp(96px,11vw,140px) minmax(0,1fr);gap:clamp(18px,3vw,48px);align-items:center;
  padding:clamp(20px,2.6vw,30px) 0;border-bottom:1px solid var(--hairline);
}
.cs-res b{font-size:clamp(1.9rem,3.2vw,2.6rem);line-height:1;letter-spacing:-.02em;color:#14171F;white-space:nowrap;font-variant-numeric:lining-nums tabular-nums}
.cs-res p{margin:0;font-size:.95rem;line-height:1.7;color:#4A5160;text-wrap:pretty}
.cs-res p strong{color:#14171F;font-weight:600}

/* 8 · takeaway: periwinkle sign-off card with the serif statement */
.cs-take{
  margin:0;padding:clamp(30px,4vw,56px) clamp(26px,4vw,56px);border-radius:26px;
  background:#E9EEFB;box-shadow:var(--card-shadow);
}
.cs-take p{font-size:clamp(1.35rem,2.3vw,1.95rem);line-height:1.3;color:#14171F;margin:14px 0 0;max-width:36ch;text-wrap:pretty}
.cs-take p .t-acc{color:#246085}
.cs-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:clamp(24px,3vw,34px)}
.cs-link{
  display:inline-flex;align-items:center;gap:8px;padding:11px 18px;border-radius:999px;
  background:#fff;color:#14171F;text-decoration:none;
  font-family:var(--sans);font-weight:600;font-size:.88rem;
  box-shadow:0 8px 22px -14px rgba(16,23,42,.3);transition:color .2s var(--ease);
}
.cs-link span{font-weight:500;color:#4A5160}
.cs-link svg{width:14px;height:14px;flex:none;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;color:#246085}
.cs-link:hover{color:#246085}

/* 9 · next case study: one quiet row link */
.cs-next-wrap{padding-block:clamp(64px,8vw,104px) clamp(72px,9vw,120px)}
.cs-next{
  display:grid;grid-template-columns:1fr auto;align-items:center;gap:24px;
  border-top:1px solid var(--hairline);border-bottom:1px solid var(--hairline);
  padding:clamp(24px,3vw,36px) 0;text-decoration:none;color:inherit;
}
.cs-next b{display:block;margin-top:10px;font-size:clamp(1.25rem,2vw,1.7rem);line-height:1.2;color:#14171F;transition:color .2s var(--ease)}
.cs-next .cs-num{transition:background .2s var(--ease)}
.cs-next:hover b{color:#246085}
.cs-next:hover .cs-num{background:#246085}

/* 10 · dark closing band, merging into the footer (same as homepage) */
.tcta{background:var(--nav-dark);text-align:center;padding-block:clamp(72px,9vw,120px)}
.tcta-inner{display:flex;flex-direction:column;align-items:center}
.tcta-line{font-size:clamp(1.7rem,3.4vw,2.6rem);line-height:1.1;color:#fff;margin:0;max-width:min(900px,92%);text-wrap:balance}
.tcta-line em{font-style:normal;color:#E9EEFB}
.tcta-sub{
  color:var(--on-deep-soft);font-size:clamp(.95rem,1.1vw,1.05rem);line-height:1.7;
  max-width:52ch;margin:clamp(16px,2vw,24px) 0 0;text-wrap:pretty;text-align:center;
}
.tcta .ecg-base{stroke:rgba(233,238,251,.15)}
.tcta .ecg-live{filter:drop-shadow(0 0 6px rgba(140,180,215,.6))}
.tcta .nav-book{margin-top:clamp(20px,2.6vw,30px);background:#fff;color:var(--nav-dark)}
.tcta .nav-book:hover{background:#E9EEFB}

/* 11 · footer, homepage treatment */
.footer{border-top:1px solid rgba(233,238,251,.1);padding-block:clamp(56px,7vw,84px) 32px}
.footer-inner{padding-bottom:clamp(36px,4.5vw,56px)}
.footer-brand p{
  font-family:var(--serif);font-weight:500;font-optical-sizing:auto;
  font-size:1.12rem;letter-spacing:-.008em;line-height:1.5;color:var(--on-deep);
  margin-top:16px;max-width:32ch;
}
.footer-cols{gap:clamp(40px,5vw,80px)}
.fcol{gap:12px}
.fcol-h{font-size:.7rem;font-weight:600;letter-spacing:.12em;margin-bottom:8px;color:rgba(233,238,251,.55)}
.fcol a{font-size:.92rem}
.fcol a:hover{color:#E9EEFB}
.footer-base{font-size:.8rem;color:rgba(233,238,251,.55)}

/* ---- responsive ---- */
@media (max-width:1024px){
  .cs-cards{--cols:2}
}
@media (max-width:920px){
  .nav-link:hover{background:#E9EEFB}
  .cs-head{padding-block-start:clamp(110px,16vh,150px)}
  .cs-head-grid{grid-template-columns:1fr}
  .cs-proof{max-width:560px;width:100%}
  .cs-row{grid-template-columns:1fr;gap:clamp(16px,4vw,28px)}
  .cs-title{margin-top:0}
  .cs-prose{justify-self:start}
  .cs-shead{grid-template-columns:1fr;align-items:start}
  .cs-shead .cs-title{white-space:normal}
  .cs-shead p{justify-self:start;text-align:left}
}
@media (max-width:820px){
  .cs-h1,.cs-title,.tcta-line{font-size:clamp(1.4rem,6.2vw,3rem)} /* homepage mobile header scale */
  .cs-h1{font-size:clamp(1.75rem,7vw,3rem)}
}
@media (max-width:720px){
  .cs-cards{--cols:1}
  .cs-metrics{grid-template-columns:1fr}
  .cs-metric + .cs-metric{border-left:0;border-top:1px solid var(--hairline-2)}
  /* each metric: figure in a fixed left column, label beside it */
  .cs-metric{display:grid;grid-template-columns:clamp(104px,30vw,140px) minmax(0,1fr);align-items:center;gap:16px;padding-block:22px}
  .cs-metric dt{order:2}
  .cs-metric dd{order:1}
  .cs-metric b{font-size:clamp(1.8rem,8vw,2.4rem)}
  /* table becomes stacked cards: one row per block, each cell labelled */
  .cs-vs thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
  .cs-vs,.cs-vs tbody,.cs-vs tr,.cs-vs th,.cs-vs td{display:block;width:auto}
  .cs-vs tr{padding:22px 0;border-bottom:1px solid var(--hairline)}
  .cs-vs th[scope="row"]{width:auto;padding:0 0 12px;border:0}
  .cs-vs td{padding:12px 16px;border:0;border-radius:14px}
  .cs-vs td::before{
    content:attr(data-label);display:block;margin-bottom:4px;
    font-weight:600;font-size:.64rem;letter-spacing:.12em;text-transform:uppercase;color:#7C8595;
  }
  .cs-vs td.cs-vs-g{margin-top:8px;border-radius:14px}
  .cs-vs td.cs-vs-g::before{color:#246085}
  .cs-vs tbody tr:last-child .cs-vs-g{border-radius:14px}
  .cs-res li{grid-template-columns:72px minmax(0,1fr);gap:16px}
  .cs-res b{font-size:1.7rem}
  .cs-next{grid-template-columns:1fr auto;gap:16px}
}
@media (max-width:560px){
  .cs-stage{padding-right:0;padding-bottom:0}
  .cs-browser-url{display:none}
  .cs-phone{width:34%;bottom:-28px;right:-6px}
  /* reels: a swipeable row, one and a bit cards visible */
  .cs-reels{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;scroll-padding-inline:var(--gutter);scrollbar-width:none;margin-inline:calc(var(--gutter) * -1);padding-inline:var(--gutter);padding-bottom:28px}
  .cs-reels::-webkit-scrollbar{display:none}
  .cs-reels>li{flex:0 0 66%;scroll-snap-align:start}
}
@media (max-width:430px){
  .cs-msg{max-width:92%;font-size:.9rem}
  .cs-links{flex-direction:column;align-items:stretch}
  .cs-link{justify-content:center}
}