/* ---- single case study: the hub story layout, Venus skin ---- */
  .sp-back{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;
           color:var(--faint);text-decoration:none;margin-top:clamp(28px,4vw,52px)}
  .sp-back:hover{color:var(--ink)}
  .sp-hero{padding:clamp(22px,3vw,40px) 0 clamp(40px,5vw,72px)}
  .sp-hero h1{font-size:clamp(34px,4.2vw,60px);letter-spacing:-.05em;line-height:1.04;max-width:20ch;margin:0 0 clamp(28px,3.4vw,48px)}
  .sp-grid{display:grid;grid-template-columns:7fr 5fr;gap:clamp(24px,3.4vw,48px);align-items:start}
  .sp-img{aspect-ratio:4/3;border-radius:var(--r-lg);overflow:hidden;background:var(--panel)}
  .sp-img img{width:100%;height:100%;object-fit:cover;display:block}
  .sp-side{display:flex;flex-direction:column;gap:30px;padding-top:6px}
  .sp-stats{display:flex;flex-direction:column;gap:22px}
  .sp-stat{border-left:2px solid var(--venus);padding-left:18px}
  .sp-stat b{display:block;font-family:var(--mono);font-size:clamp(28px,2.6vw,38px);font-weight:700;letter-spacing:-.03em;line-height:1.05}
  .sp-stat span{display:block;font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);margin-top:6px}
  .sp-quote{font-size:clamp(16px,1.3vw,19px);line-height:1.55;color:var(--ink);margin:0}
  .sp-who{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);margin:12px 0 0}

  .sp-body{display:grid;grid-template-columns:280px 1fr;border-top:1px solid var(--line)}
  .sp-rail{border-right:1px solid var(--line);padding:clamp(28px,3vw,44px) clamp(20px,2.4vw,36px) clamp(28px,3vw,44px) 0}
  .sp-rail .stick{position:sticky;top:96px;display:flex;flex-direction:column;gap:34px}
  .sp-rail ul{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
  .sp-rail li{border-bottom:1px solid var(--line)}
  .sp-rail a{display:flex;justify-content:space-between;align-items:center;padding:12px 0;text-decoration:none;font-family:var(--mono);font-size:11px;
             letter-spacing:.14em;text-transform:uppercase;color:var(--faint);transition:color .18s}
  .sp-rail a::after{content:'\2192';opacity:0;transition:opacity .18s}
  .sp-rail a:hover,.sp-rail a.on{color:var(--ink)}
  .sp-rail a.on::after{opacity:1;color:var(--venus)}
  .sp-rail .lg{height:30px;width:auto;max-width:150px;object-fit:contain;object-position:left}
  .sp-rail .lg.word{font-family:var(--mono);font-weight:700;font-size:20px;letter-spacing:.12em;text-transform:uppercase;height:auto}
  .sp-rail .sp-stat b{font-size:24px}
  .sp-main{padding:clamp(28px,3vw,44px) 0 clamp(28px,3vw,44px) clamp(28px,4vw,64px);max-width:calc(640px + clamp(28px,4vw,64px))}
  .sp-main section{padding:0;margin:0 0 clamp(36px,4.4vw,64px)}
  .sp-main section:last-child{margin-bottom:0}
  .sp-main h2{font-family:var(--mono);font-size:13px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;margin:0 0 16px;color:var(--ink)}
  .sp-main p{margin:0 0 14px;font-size:16px;line-height:1.72;color:var(--dim)}
  .sp-main p:last-child{margin-bottom:0}
  .sp-main ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
  .sp-main li{display:flex;gap:12px;font-size:16px;line-height:1.65;color:var(--dim)}
  .sp-main li::before{content:'';flex:none;width:6px;height:6px;border-radius:50%;background:var(--venus);margin-top:11px}
  .sp-why{display:grid;grid-template-columns:1fr 1fr;gap:14px}
  .sp-why div{background:var(--panel-2);border:1px solid var(--line);border-radius:var(--r);padding:20px 22px}
  .sp-why b{display:block;font-weight:500;font-size:16px;letter-spacing:-.01em;margin-bottom:6px;color:var(--ink)}
  .sp-why p{font-size:14.5px;line-height:1.6}

  .sp-wide{margin-top:clamp(40px,5vw,72px);border-radius:var(--r-xl);overflow:hidden;aspect-ratio:2.5/1;background:var(--panel)}
  .sp-wide img{width:100%;height:100%;object-fit:cover;display:block}
  .sp-advice{padding:clamp(40px,5vw,72px) 0;max-width:760px}
  .sp-advice blockquote{margin:0;font-size:clamp(22px,2.2vw,30px);line-height:1.35;letter-spacing:-.03em;color:var(--ink)}
  .sp-advice blockquote::before{content:'\201C';color:var(--venus)}
  .sp-advice blockquote::after{content:'\201D';color:var(--venus)}

  .sp-more{border-top:1px solid var(--line);padding:clamp(40px,5vw,72px) 0}
  .sp-more h2{font-size:clamp(26px,2.6vw,36px);margin:0 0 clamp(22px,2.6vw,36px);max-width:none}
  .sp-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
  .sp-card{position:relative;aspect-ratio:4/5;border-radius:var(--r-lg);overflow:hidden;text-decoration:none;color:#FAF9F5;display:flex;flex-direction:column;
           justify-content:flex-end;padding:22px;background:var(--panel)}
  .sp-card img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .7s cubic-bezier(.2,.7,.2,1)}
  .sp-card:hover img.bg{transform:scale(1.05)}
  .sp-card::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(21,21,26,.1) 20%,rgba(21,21,26,.82) 100%)}
  .sp-card>*:not(.bg){position:relative;z-index:1}
  .sp-card .lg{height:24px;width:auto;max-width:130px;object-fit:contain;object-position:left;margin-bottom:auto;align-self:flex-start}
  .sp-card .lg.word{font-family:var(--mono);font-weight:700;font-size:16px;letter-spacing:.12em;text-transform:uppercase;height:auto}
  .sp-card h3{font-size:17px;font-weight:500;letter-spacing:-.02em;line-height:1.3;margin:0 0 14px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
  .sp-card .st{display:flex;gap:18px}
  .sp-card .st div{border-left:2px solid var(--venus);padding-left:10px}
  .sp-card .st b{display:block;font-family:var(--mono);font-size:18px;font-weight:700;letter-spacing:-.02em}
  .sp-card .st span{display:block;font-family:var(--mono);font-size:9px;letter-spacing:.1em;text-transform:uppercase;color:rgba(250,249,245,.7);margin-top:3px}

  .sp-cta{background:var(--night);color:#FAF9F5;border-radius:var(--r-xl);padding:clamp(56px,7vw,96px) clamp(28px,4vw,64px);text-align:center;margin:clamp(20px,3vw,40px) 0 0;
          position:relative;overflow:hidden}
  .sp-cta h2{font-size:clamp(36px,4.6vw,64px);letter-spacing:-.05em;text-transform:uppercase;line-height:1;margin:0 auto 18px;color:#FAF9F5;max-width:14ch}
  .sp-cta h2 em{font-style:italic;font-weight:400;text-transform:lowercase;color:var(--venus)}
  .sp-cta p{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;line-height:1.7;color:rgba(250,249,245,.6);max-width:60ch;margin:0 auto 30px}
  .sp-cta .wm{position:absolute;right:-10%;top:-30%;width:420px;height:420px;color:var(--venus);opacity:.14;pointer-events:none}
  .sp-cta .wm svg{width:100%;height:100%}
  .sp-cta>*{position:relative;z-index:1}
  .sp-cta .wm{z-index:0}

  @media(max-width:900px){.sp-grid{grid-template-columns:1fr}.sp-body{grid-template-columns:1fr}.sp-rail{border-right:0;padding-right:0}
                          .sp-rail .stick{position:static}.sp-main{padding-left:0}.sp-why{grid-template-columns:1fr}.sp-cards{grid-template-columns:1fr}}