/* Arounda-style case study: dark title + hero, light body, marketing renders. */
.ar{--ar-max:1240px;--ar-pad:clamp(20px,4.5vw,64px);background:#f5f4f1;color:#141418}
.ar-wrap{max-width:var(--ar-max);margin:0 auto;padding:0 var(--ar-pad)}
.ar h1,.ar h2,.ar h3{color:inherit;font-weight:500}
.ar h1 em,.ar h2 em{font-family:'Instrument Serif',serif;font-style:italic;font-weight:400;letter-spacing:-.02em}

/* dark top band: crumb, title, hero */
.ar>.ar-wrap:nth-of-type(1),.ar>.ar-wrap:nth-of-type(2){max-width:none;background:#0b0b0f;color:#f4f2ed}
.ar>.ar-wrap:nth-of-type(1)>*,.ar>.ar-wrap:nth-of-type(2)>*{max-width:var(--ar-max);margin-left:auto;margin-right:auto}
.ar-crumb{padding-top:30px;font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:#77757e}
.ar-crumb a{color:inherit;text-decoration:none}.ar-crumb a:hover{color:#fff}.ar-crumb b{color:#f4f2ed}
.ar-title{text-align:center;padding:clamp(48px,7vw,96px) 0 clamp(28px,3vw,40px)}
.ar-title h1{font-size:clamp(42px,6vw,88px);line-height:1.02;max-width:1000px;margin:0 auto}
.ar-title h1 em{color:var(--cs-accent)}
.ar-tags{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin-top:28px}
.ar-tags span{background:#1c1c22;color:#d6d4da;border-radius:999px;padding:9px 18px;font-size:13px}
.ar>.ar-wrap:nth-of-type(2){padding-bottom:clamp(40px,5vw,72px)}
.ar-hero{display:grid;grid-template-columns:.9fr 2.1fr;gap:clamp(12px,1.4vw,18px);min-height:clamp(320px,38vw,560px)}
.ar-hero-panel{border-radius:28px;padding:clamp(24px,3vw,40px);display:flex;flex-direction:column;justify-content:space-between;
  background:radial-gradient(120% 90% at 0% 100%,var(--cs-accent),transparent 62%),#16161b;color:#fff;overflow:hidden}
.ar-kicker{font-size:clamp(26px,2.6vw,40px);line-height:1.1}
.ar-kicker em{font-family:'Instrument Serif',serif;font-style:italic}
.ar-hero-name{font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;opacity:.8}
.ar-hero-img{margin:0;border-radius:28px;overflow:hidden;background:#1a1a20}
.ar-hero-img img{width:100%;height:100%;object-fit:cover;display:block}

/* facts card */
.ar-facts{display:grid;grid-template-columns:repeat(5,1fr);gap:0;background:#ebeae6;border-radius:22px;padding:26px 8px;margin:clamp(40px,5vw,72px) 0 0}
.ar-facts div{padding:0 22px;border-right:1px solid #d9d7d1}.ar-facts div:last-child{border-right:0}
.ar-facts dt{font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:#77757e;margin-bottom:8px}
.ar-facts dd{margin:0;font-size:clamp(17px,1.6vw,22px);font-weight:500;color:#141418}

/* sections */
.ar-sec{padding:clamp(64px,8vw,120px) 0 0}
.ar-sec:last-child{padding-bottom:clamp(64px,8vw,120px)}
.ar-about{display:grid;grid-template-columns:1fr 2.4fr;gap:clamp(20px,5vw,80px)}
.ar-label{font-family:ui-monospace,Menlo,monospace;color:var(--cs-accent);font-size:14px;margin-right:10px}
.ar-side .eyebrow{color:#77757e;font-size:12px}
.ar-lead{font-size:clamp(20px,2vw,28px);line-height:1.45;color:#141418}
.ar-body{font-size:17px;line-height:1.65;color:#5a5862;max-width:640px}
.ar-lead+.ar-body{margin-top:22px}
.ar-head{display:grid;grid-template-columns:1fr 1fr;gap:clamp(20px,4vw,64px);align-items:end;margin-bottom:clamp(28px,3.4vw,48px)}
.ar-head h2{font-size:clamp(38px,4.8vw,72px);line-height:1}
.ar-head h2 em{color:var(--cs-accent)}
.ar-head .eyebrow{grid-column:1/-1;color:#77757e;font-size:12px;margin-bottom:-10px}
.ar-fig{margin:0;border-radius:clamp(18px,2.2vw,30px);overflow:hidden;background:#e6e4df}
.ar-fig img{display:block;width:100%;height:auto}

.ar-ps{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.ar-ps article{background:#fff;border-radius:24px;padding:clamp(26px,3vw,42px);display:flex;flex-direction:column;gap:16px;min-height:280px}
.ar-ps article:last-child{background:#141418;color:#f4f2ed}
.ar-ps span{font-family:'Instrument Serif',serif;font-style:italic;font-size:26px;color:var(--cs-accent)}
.ar-ps h3{font-size:26px}
.ar-ps p{font-size:17px;line-height:1.6;color:#5a5862}.ar-ps article:last-child p{color:#bdbbc4}

.ar-process{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.ar-process>li{background:#fff;border-radius:22px;padding:26px;min-height:270px;display:flex;flex-direction:column;gap:12px}
.ar-process b{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:#141418;color:#fff;font-size:16px}
.ar-process h3{font-size:22px;margin-top:8px}
.ar-process ul{margin:auto 0 0;padding:0;list-style:none;display:grid;gap:8px}
.ar-process ul li{font-size:14px;color:#5a5862;padding-left:14px;position:relative}
.ar-process ul li::before{content:'';position:absolute;left:0;top:8px;width:5px;height:5px;border-radius:50%;background:var(--cs-accent)}

.ar-personas{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}
.ar-persona{background:#fff;border-radius:22px;padding:26px;display:flex;flex-direction:column;gap:8px}
.ar-persona .av{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;background:var(--cs-accent);color:#fff;font-weight:700;margin-bottom:8px}
.ar-persona h3{font-size:22px}.ar-persona small{color:#77757e;font-size:14px}
.ar-persona blockquote{margin:10px 0 0;font-family:'Instrument Serif',serif;font-style:italic;font-size:21px;line-height:1.3}
.ar-persona dl{margin:12px 0 0;display:grid;gap:4px}.ar-persona dt{font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:#8a8890;margin-top:8px}
.ar-persona dd{margin:0;font-size:15px;line-height:1.5;color:#3a3a42}
.ar-note{margin-top:14px;font-size:13px;color:#8a8890}

/* statement banner */
.ar-banner{position:relative;margin-top:clamp(64px,8vw,120px);min-height:clamp(360px,46vw,640px);display:flex;align-items:flex-end;overflow:hidden;background:#0b0b0f}
.ar-banner img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.9}
.ar-banner::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 35%,#0b0b0fe6)}
.ar-banner .ar-wrap{position:relative;z-index:1;width:100%;padding-bottom:clamp(32px,4vw,56px)}
.ar-banner p{color:#fff;font-size:clamp(30px,4vw,60px);line-height:1.05;max-width:900px}
.ar-banner p em{font-family:'Instrument Serif',serif;font-style:italic;color:var(--cs-accent)}

.ar-feature .ar-head h2{font-size:clamp(34px,4vw,60px)}
.ar-points{margin:18px 0 0;padding:0;list-style:none;display:grid;gap:8px}
.ar-points li{font-size:15px;color:#3a3a42;padding-left:16px;position:relative}
.ar-points li::before{content:'';position:absolute;left:0;top:8px;width:6px;height:6px;border-radius:50%;background:var(--cs-accent)}

/* UI layouts with brand */
.ar-layouts{position:relative;border-radius:clamp(18px,2.2vw,30px);overflow:hidden;background:#e6e4df}
.ar-layouts img{display:block;width:100%;height:auto}
.ar-layouts-brand{position:absolute;right:0;top:0;bottom:0;width:40%;display:flex;flex-direction:column;justify-content:center;gap:16px;padding:0 clamp(20px,4vw,64px) 0 0}
.ar-layouts-brand b{font-size:clamp(28px,3.4vw,52px);font-weight:600;letter-spacing:-.04em;color:#141418}
.ar-layouts-brand p{font-size:clamp(18px,1.8vw,24px);font-weight:500;color:#141418;line-height:1.2}
.ar-layouts-brand small{font-size:clamp(13px,1.1vw,15px);color:#5a5862;line-height:1.5}

/* brand presentation (social) */
.ar-social{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;padding:clamp(20px,3vw,40px);border-radius:30px;background:#141418}
.ar-social figure{margin:0;position:relative;border-radius:20px;overflow:hidden;aspect-ratio:2/3;background:#222}
.ar-social img{width:100%;height:100%;object-fit:cover;display:block}
.ar-social figcaption{position:absolute;left:0;right:0;bottom:0;padding:22px;color:#fff;font-size:clamp(16px,1.6vw,22px);font-weight:600;line-height:1.2;background:linear-gradient(180deg,transparent,#000a)}
.ar-social figcaption.top{top:0;bottom:auto;background:linear-gradient(0deg,transparent,#000a)}
.ar-social .brand figcaption{inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:12px;background:none}
.ar-social .brand b{font-size:clamp(24px,2.6vw,38px);letter-spacing:-.03em}
.ar-social .brand span{font-size:clamp(14px,1.3vw,18px);font-weight:500;max-width:80%}
.ar-social .brand i{font-style:normal;font-size:13px;background:#fff;color:#141418;border-radius:999px;padding:9px 18px;margin-top:8px}

/* design system */
.ar-ds{display:grid;grid-template-columns:1fr 2fr;gap:14px}
.ar-ds+.ar-fig{margin-top:14px}

/* results */
.ar-results{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.ar-results div{background:#fff;border-radius:22px;padding:26px}
.ar-results strong{display:block;font-size:clamp(44px,4.6vw,68px);line-height:1;font-weight:500;letter-spacing:-.05em;color:var(--cs-accent)}
.ar-results span{display:block;margin-top:12px;font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:#141418}
.ar-results p{margin-top:10px;font-size:14px;line-height:1.5;color:#5a5862}

/* related */
.ar-related{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.ar-related a{text-decoration:none;color:#141418}
.ar-related .thumb{aspect-ratio:4/3;border-radius:22px;background-size:cover;background-position:center;transition:transform .6s var(--ease)}
.ar-related a:hover .thumb{transform:scale(.98)}
.ar-related h3{font-size:22px;margin-top:14px}.ar-related p{color:#77757e;font-size:14px;margin-top:4px}

@media (max-width:1000px){
  .ar-facts{grid-template-columns:repeat(3,1fr);row-gap:18px}.ar-facts div:nth-child(3){border-right:0}
  .ar-process,.ar-results{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:760px){
  .ar-hero{grid-template-columns:1fr}.ar-hero-panel{min-height:200px}
  .ar-about,.ar-head,.ar-ps,.ar-ds{grid-template-columns:1fr}
  .ar-facts{grid-template-columns:1fr 1fr}.ar-facts div{border-right:0}
  .ar-social{grid-template-columns:1fr;max-width:420px;margin:0 auto}
  .ar-related{grid-template-columns:1fr}
  .ar-layouts-brand{position:static;width:auto;padding:22px}
}
@media (max-width:520px){.ar-process,.ar-results{grid-template-columns:1fr}}
.ar-social figcaption,.ar-social figcaption *{letter-spacing:normal}
.ar-social .brand b{color:#fff;letter-spacing:-.02em}