/* Case study v2 — shared styles. Same system as raquel-portfolio-v2.html. */
:root{
  --paper:#FFFFFF;
  --paper-2:#F2F2F2;
  --ink:#111111;
  --ink-2:#3D3D3D;
  --ink-3:#4D4D4D;
  --rule:#DCDCDC;
  --accent:#111111;

  --sans:'Switzer', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --serif:'Newsreader', 'Iowan Old Style', Georgia, serif;

  --gutter:clamp(20px, 4vw, 56px);
  --max:1360px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-rendering:optimizeLegibility;scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--sans);font-weight:400;font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  font-feature-settings:"kern","liga";
  overflow-x:hidden;
}
::selection{background:var(--accent);color:var(--paper)}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
p{margin:0}
h1,h2,h3,h4{margin:0;font-weight:400;text-wrap:balance}
p,dd,figcaption,blockquote{text-wrap:pretty}
dl,dd{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
figure{margin:0}

.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:var(--paper);padding:10px 14px;z-index:10}
.skip:focus{left:var(--gutter)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

.wrap{max-width:var(--max);margin:0 auto;padding-inline:var(--gutter)}
.grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:24px}

.eyebrow{font-size:14px;color:var(--ink-3);font-weight:400}
.num{font-variant-numeric:tabular-nums lining-nums}
.link{
  background-image:linear-gradient(currentColor,currentColor);
  background-size:100% 1px;background-repeat:no-repeat;background-position:0 100%;
  padding-bottom:2px;transition:background-size .5s var(--ease), color .3s var(--ease);
}
.link:hover{color:var(--accent);background-size:0 1px;background-position:100% 100%}

/* header */
.top{position:sticky;top:0;z-index:5;background:rgba(255,255,255,.94);backdrop-filter:saturate(1.2) blur(8px);-webkit-backdrop-filter:saturate(1.2) blur(8px)}
.top .wrap{display:flex;align-items:baseline;justify-content:space-between;gap:24px;padding-top:20px;padding-bottom:18px;border-bottom:1px solid transparent;transition:border-color .4s var(--ease)}
.top.scrolled .wrap{border-bottom-color:var(--rule)}
.brand{font-weight:500;font-size:16px;letter-spacing:-.005em}
.brand span{color:var(--ink-3);font-weight:400}
.back{font-size:14px;color:var(--ink-2);transition:color .3s var(--ease)}
.back:hover{color:var(--ink)}

/* case hero */
.c-hero{padding-top:clamp(64px, 12vh, 140px);padding-bottom:clamp(48px, 8vh, 88px)}
.c-hero .eyebrow{grid-column:1 / -1;margin-bottom:28px}
.c-hero h1{grid-column:1 / span 10;font-family:var(--serif);font-weight:300;font-size:clamp(56px, 9vw, 136px);line-height:.95;letter-spacing:-.025em}
.c-hero .tagline{grid-column:1 / span 10;margin-top:14px;font-weight:300;font-size:clamp(28px, 3.6vw, 52px);line-height:1.08;letter-spacing:-.03em;color:var(--ink-2)}
.c-hero .lede{grid-column:1 / span 6;margin-top:clamp(48px, 7vh, 80px);font-size:19px;line-height:1.55;max-width:34em}
.c-hero .facts{grid-column:8 / span 5;margin-top:clamp(48px, 7vh, 80px)}
.facts div{display:grid;grid-template-columns:110px 1fr;gap:16px;padding:12px 0;border-top:1px solid var(--rule);font-size:16px}
.facts div:last-child{border-bottom:1px solid var(--rule)}
.facts dt{color:var(--ink-3)}

/* plates */
.plate{background:var(--paper-2);padding:clamp(14px, 2.6vw, 40px)}
.plate.photo{padding:0}
.plate img{width:100%;box-shadow:0 0 0 1px rgba(0,0,0,.06),0 18px 40px -24px rgba(0,0,0,.28)}
.plate.photo img{box-shadow:none}
.caption{display:flex;justify-content:space-between;gap:24px;margin-top:12px;font-size:14px;color:var(--ink-3)}
.fig-full{grid-column:1 / -1}
.fig-wide{grid-column:3 / -1}
.fig-half{grid-column:span 6}

/* ledger */
.ledger{padding-block:clamp(56px, 9vh, 104px)}
.ledger ul{grid-column:3 / span 9;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));border-top:1px solid var(--rule)}
.ledger li{padding:22px 24px 0 0}
.ledger li + li{padding-left:24px;border-left:1px solid var(--rule)}
.ledger strong{display:block;font-weight:400;font-size:clamp(24px, 2.2vw, 30px);line-height:1.1;letter-spacing:-.02em}
.ledger b{display:block;margin-top:6px;font-weight:400;font-size:16px}
.ledger span{display:block;margin-top:6px;font-size:14px;color:var(--ink-2);max-width:26em}

/* chapters */
.chapter{padding-block:clamp(72px, 11vh, 136px);border-top:1px solid var(--rule)}
.chapter > .grid > .eyebrow{grid-column:1 / span 2;padding-top:10px}
.chapter h2{grid-column:3 / span 8;font-weight:300;font-size:clamp(30px, 3.6vw, 52px);line-height:1.08;letter-spacing:-.03em}
.prose{grid-column:3 / span 6;margin-top:36px}
.prose p{font-size:17px;line-height:1.7;max-width:36em}
.prose p + p{margin-top:1.1em}
.prose + .figs{margin-top:clamp(48px, 7vh, 80px)}
.figs{grid-column:1 / -1;display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:24px;row-gap:48px}

.pull{grid-column:3 / span 8;margin-top:clamp(40px, 6vh, 64px);padding-top:28px;border-top:1px solid var(--ink)}
.pull .eyebrow{display:block;margin-bottom:18px}
.pull p{font-family:var(--serif);font-weight:300;font-size:clamp(26px, 2.8vw, 40px);line-height:1.25;letter-spacing:-.01em}

.aside{grid-column:3 / span 7;margin-top:clamp(40px, 6vh, 64px);padding:28px 32px;background:var(--paper-2)}
.aside .eyebrow{display:block;margin-bottom:12px}
.aside p{font-size:16px;line-height:1.65;color:var(--ink)}

/* comparison */
.compare{grid-column:3 / span 8;margin-top:clamp(40px, 6vh, 64px);display:grid;grid-template-columns:1fr 1fr;column-gap:24px}
.compare h3{font-size:14px;color:var(--ink-3);font-weight:400;padding-bottom:12px;border-bottom:1px solid var(--ink)}
.compare li{padding:14px 0;border-bottom:1px solid var(--rule);font-size:16px}
.compare li:first-child{padding:0;border-bottom:0}
.compare .before li{color:var(--ink-3)}
.compare-note{grid-column:3 / span 8;margin-top:18px;font-size:14px;color:var(--ink-2)}

/* decisions */
.decisions{grid-column:1 / -1;margin-top:clamp(48px, 7vh, 80px)}
.decision{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:24px;padding-block:40px;border-top:1px solid var(--rule)}
.decision .n{grid-column:1 / span 2;font-family:var(--serif);font-size:18px;color:var(--ink-3)}
.decision h3{grid-column:3 / span 4;font-size:24px;font-weight:400;line-height:1.2;letter-spacing:-.015em}
.decision p{grid-column:7 / span 6;font-size:16px;line-height:1.65;color:var(--ink-2)}
.decision figure{grid-column:3 / -1;margin-top:40px}

/* gallery */
.gallery{grid-column:1 / -1;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:48px 24px;margin-top:clamp(48px, 7vh, 80px)}
.gallery figure:first-child{grid-column:1 / -1}

/* press */
.press{grid-column:3 / span 8;margin-top:36px}
.press p{font-size:17px;line-height:1.7;max-width:36em}
.press .link{display:inline-block;margin-top:24px;font-size:16px}

/* reflection */
.quote{grid-column:3 / span 9;margin-top:4px}
.quote blockquote{margin:0;font-family:var(--serif);font-weight:300;font-size:clamp(34px, 4.4vw, 64px);line-height:1.1;letter-spacing:-.02em;text-indent:-.4em}

/* next */
.next{border-top:1px solid var(--ink);padding-block:clamp(64px, 10vh, 120px)}
.next .eyebrow{grid-column:1 / span 2;padding-top:18px}
.next-list{grid-column:3 / -1}
.next-list a{display:flex;align-items:baseline;justify-content:space-between;gap:24px;padding:18px 0;border-bottom:1px solid var(--rule)}
.next-list a:first-child{padding-top:0}
.next-list .t{font-family:var(--serif);font-weight:300;font-size:clamp(36px, 4.6vw, 68px);line-height:1.05;letter-spacing:-.02em;transition:color .3s var(--ease)}
.next-list .m{font-size:14px;color:var(--ink-3);white-space:nowrap}
.next-list .arrow{display:inline-block;transition:transform .5s var(--ease)}
.next-list a:hover .t{color:var(--accent)}
.next-list a:hover .arrow{transform:translateX(4px)}

/* contact */
.contact{padding-block:clamp(72px, 12vh, 140px) clamp(48px, 7vh, 80px);border-top:1px solid var(--rule)}
.contact .eyebrow{grid-column:1 / span 2;padding-top:12px}
.contact .ask{grid-column:3 / -1;font-weight:300;font-size:clamp(28px, 3.2vw, 46px);line-height:1.1;letter-spacing:-.03em;color:var(--ink-2)}
.contact .mail{grid-column:3 / -1;margin-top:16px;font-weight:300;font-size:clamp(34px, 5.6vw, 84px);line-height:1;letter-spacing:-.04em;justify-self:start;transition:color .3s var(--ease)}
.contact .mail:hover{color:var(--accent)}

.foot{padding:28px 0 40px;font-size:14px;color:var(--ink-3)}
.foot .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px}
.foot nav{display:flex;gap:22px}
.foot a:hover{color:var(--ink)}

/* AAA target size: 44px hit area on nav and footer links, layout unchanged */
.nav a,.back,.foot nav a,.brand{display:inline-block;padding:12px 4px;margin:-12px -4px}

/* motion */
.js .rv{opacity:0;transform:translateY(14px);transition:opacity 1s var(--ease), transform 1s var(--ease)}
.js .rv.in{opacity:1;transform:none}
.js .rv.d1{transition-delay:.1s}.js .rv.d2{transition-delay:.2s}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .rv{opacity:1;transform:none;transition:none}
  .link,.next-list .arrow{transition:none}
}

/* responsive */
@media (max-width:1024px){
  .c-hero .lede{grid-column:1 / span 8}
  .ledger ul{grid-column:1 / -1}
  .c-hero .facts{grid-column:1 / span 8;margin-top:40px}
  .chapter > .grid > .eyebrow{grid-column:1 / -1;margin-bottom:16px;padding-top:0}
  .chapter h2,.prose,.pull,.aside,.compare,.compare-note,.press,.quote,.fig-wide{grid-column:1 / span 10}
  .decision h3{grid-column:3 / -1}
  .decision p{grid-column:3 / -1;margin-top:14px}
  .decision figure{grid-column:1 / -1}
  .next .eyebrow,.contact .eyebrow{grid-column:1 / -1;margin-bottom:16px;padding-top:0}
  .next-list,.contact .ask,.contact .mail{grid-column:1 / -1}
}
@media (max-width:720px){
  .quote blockquote{text-indent:0}
  .chapter{padding-block:64px}
  body{font-size:16px}
  .grid,.figs,.decision{column-gap:16px}
  .brand span{display:none}
  .c-hero h1,.c-hero .tagline,.c-hero .lede,.c-hero .facts{grid-column:1 / -1}
  .c-hero .lede{font-size:17px}
  .chapter h2,.prose,.pull,.aside,.compare,.compare-note,.press,.quote,.fig-wide,.fig-half{grid-column:1 / -1}
  .prose p{font-size:16px}
  .aside{padding:22px 20px}
  .compare{grid-template-columns:1fr;row-gap:32px}
  .ledger ul{grid-template-columns:1fr}
  .ledger li,.ledger li + li{padding:22px 0;border-left:0}
  .ledger li + li{border-top:1px solid var(--rule)}
  .decision .n{grid-column:1 / -1;margin-bottom:10px}
  .decision h3,.decision p{grid-column:1 / -1}
  .gallery{grid-template-columns:1fr}
  .next-list a{flex-direction:column;gap:4px}
  .contact .mail{font-size:clamp(30px, 10vw, 48px)}
}

@media print{
  .top{position:static}
  .js .rv{opacity:1;transform:none}
  body{background:#fff;font-size:11pt}
  .plate,.aside{background:none;padding:0}
  .decision,figure,.pull{break-inside:avoid}
  a.link{background:none}
}