/* Case study pages: same notebook paper world as the homepage. */
:root{
  color-scheme: light;
  --paper:#F2EEE5; --kraft:#E8E1D2; --sheet:#FBF9F4;
  --ink:#24211C; --mute:#6B6458; --rule:#D5CCBA;
  --pencil:#8A620C; --hl:#EFC24A;
  --display:"Bricolage Grotesque","Arial Narrow",Arial,sans-serif;
  --body:"Source Serif 4",Georgia,"Times New Roman",serif;
  --mono:"JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;
  --col:40rem;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:1.125rem;line-height:1.66;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
::selection{background:var(--hl);color:var(--ink)}
a{color:inherit;text-decoration-color:var(--hl);text-decoration-thickness:3px;text-underline-offset:4px}
:focus-visible{outline:2px solid var(--pencil);outline-offset:3px;border-radius:2px}
img{max-width:100%;height:auto;display:block}

.nav{position:sticky;top:0;z-index:10;background:var(--paper);border-bottom:1px solid var(--rule)}
.nav .in{max-width:72rem;margin:0 auto;padding:.85rem 20px;display:flex;justify-content:space-between;align-items:center;gap:1rem}
.brand{font-family:var(--display);font-weight:700;font-stretch:85%;font-size:1.05rem;text-decoration:none}
.back{font-family:var(--mono);font-size:.74rem;text-transform:uppercase;letter-spacing:.08em;color:var(--mute);text-decoration:none;padding-block:.4rem}
.back:hover{color:var(--ink);text-decoration:underline;text-decoration-color:var(--hl);text-decoration-thickness:3px;text-underline-offset:5px}

main{max-width:var(--col);margin:0 auto;padding:clamp(3rem,8vw,5.5rem) 20px clamp(3rem,8vw,5rem)}
.eyebrow{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--pencil);margin:0 0 1.1rem}
h1,h2,h3{font-family:var(--display);font-stretch:80%;letter-spacing:-.02em;text-wrap:balance;margin:0}
h1{font-size:clamp(2.5rem,8vw,4.2rem);line-height:.98;font-weight:750}
h2{font-size:clamp(1.6rem,4.4vw,2.2rem);line-height:1.08;font-weight:700;margin:3.2rem 0 1rem;padding-top:1.6rem;border-top:1px solid var(--rule)}
h3{font-size:1.3rem;line-height:1.2;font-weight:650;font-stretch:90%;margin:2rem 0 .6rem}
h2 .num{font-family:var(--mono);font-size:.8rem;font-weight:500;letter-spacing:.08em;color:var(--pencil);display:block;margin-bottom:.45rem}
p{margin:0 0 1.05rem}
.sub{font-size:1.25rem;font-style:italic;color:var(--mute);margin-top:1.1rem}
.byline{font-family:var(--mono);font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;color:var(--mute);margin-top:1.4rem}
.byline b{color:var(--ink);font-weight:500}
.note{font-size:.95rem;font-style:italic;color:var(--mute)}
.lead{font-family:var(--display);font-stretch:85%;font-weight:650;font-size:1.3rem;line-height:1.3;color:var(--pencil);margin-bottom:1.1rem}
.chain{font-family:var(--display);font-stretch:85%;font-weight:650;font-size:1.25rem;line-height:1.35}
blockquote{margin:1.2rem 0;padding:.2rem 0 .2rem 1.2rem;border-left:3px solid var(--hl);font-style:italic;font-size:1.2rem;line-height:1.45}
blockquote p{margin:0}
ul,ol{margin:0 0 1.1rem;padding-left:1.3rem}
li{margin-bottom:.4rem}
li ul{margin-top:.4rem}
hr{border:0;border-top:1px solid var(--rule);margin:2.5rem 0}

.box{background:var(--sheet);border:1px solid var(--rule);border-left:3px solid var(--pencil);border-radius:3px;padding:1.1rem 1.25rem;margin:1.5rem 0;box-shadow:0 1px 0 rgba(60,45,20,.06),0 14px 30px -18px rgba(60,45,20,.35)}
.box .tag{font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--pencil);margin-bottom:.6rem;display:block}
.box p:last-child{margin-bottom:0}
.script p{font-size:1.15rem;margin-bottom:.8rem}

.tbl{width:100%;overflow-x:auto;margin:1.5rem 0;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;font-size:.98rem;line-height:1.45;min-width:30rem}
th{font-family:var(--mono);font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;font-weight:500;color:var(--mute);text-align:left;padding:.55rem .7rem;border-bottom:1.5px solid var(--ink)}
td{padding:.7rem;border-bottom:1px solid var(--rule);vertical-align:top}
td:first-child{font-weight:600}
.facts{display:grid;grid-template-columns:1fr;gap:1rem;margin:1.5rem 0;border-top:1.5px solid var(--ink);padding-top:1rem}
@media (min-width:640px){.facts{grid-template-columns:repeat(3,1fr)}}
.facts small{display:block;font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--mute);margin-bottom:.3rem}
.facts span{font-size:1rem;line-height:1.4}

figure{margin:1.5rem 0}
figure img{border-radius:4px;box-shadow:0 1px 0 rgba(60,45,20,.06),0 14px 30px -18px rgba(60,45,20,.35)}
figcaption{font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--mute);margin-top:.7rem}
.status{display:inline-block;font-family:var(--mono);font-size:.74rem;text-transform:uppercase;letter-spacing:.08em;color:var(--pencil);border:1.5px solid var(--pencil);padding:.45rem .7rem;border-radius:3px;transform:rotate(-1.5deg)}
.fine{font-size:.85rem;color:var(--mute);line-height:1.55}

.cta{background:var(--kraft);margin-top:3.5rem;padding:clamp(2.5rem,7vw,4rem) 20px}
.cta .in{max-width:var(--col);margin:0 auto}
.cta h2{border:0;padding:0;margin:0 0 .8rem}
.cta p{color:var(--mute)}
.btn{display:inline-flex;align-items:center;gap:.6rem;font-family:var(--display);font-stretch:90%;font-weight:650;font-size:1.05rem;background:var(--ink);color:var(--paper);border-radius:3px;padding:.95rem 1.4rem;text-decoration:none;min-height:48px;margin-top:.6rem}
.btn:hover{background:#3A352D}

footer{border-top:1px solid var(--rule);padding:2.5rem 20px 3rem}
footer .in{max-width:var(--col);margin:0 auto;display:flex;flex-direction:column;gap:.9rem}
footer b{font-family:var(--display);font-stretch:85%;font-size:1.2rem}
footer p{margin:0;color:var(--mute);font-size:1rem}
footer .motto{font-family:var(--mono);font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;color:var(--pencil)}
footer .email{font-family:var(--mono);font-size:.85rem}

/* Desktop: calmer scale on big screens. Phones unchanged. */
@media (min-width:900px){
  body{font-size:1.0625rem;line-height:1.65}
  h1{font-size:3.25rem}
  h2{font-size:1.75rem;margin-top:2.8rem}
  h3{font-size:1.2rem}
  .sub{font-size:1.15rem}
  .lead,.chain{font-size:1.2rem}
  blockquote{font-size:1.1rem}
  main{padding-top:4rem}
  figure img{max-height:34rem;width:auto;margin-inline:auto}
}
.only-d{display:none}
@media (min-width:900px){.only-d{display:inline}.only-m{display:none}}
@media print{.nav,.cta,footer{display:none}body{background:#fff}}