:root{
  --bg:#fbfaf7;--surface:#ffffff;--text:#1a1916;--muted:#6b6a64;--faint:#9b9a92;
  --line:rgba(26,25,22,0.12);--line-strong:rgba(26,25,22,0.22);
  --accent:#b5491f;--accent-soft:#f3e7df;
  --serif:'Fraunces',Georgia,serif;--sans:'Inter',system-ui,sans-serif;--mono:'JetBrains Mono',ui-monospace,monospace;
  --maxw:920px;
}
@media (prefers-color-scheme: dark){
  :root{--bg:#0f0f0e;--surface:#161614;--text:#f1efe8;--muted:#a4a39a;--faint:#76756d;
    --line:rgba(241,239,232,0.14);--line-strong:rgba(241,239,232,0.26);--accent:#e08a5b;--accent-soft:#2a1d14;}
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--sans);font-size:17px;line-height:1.7;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:inherit;text-decoration:none}
::selection{background:var(--accent-soft);color:var(--accent)}
img{max-width:100%;height:auto;display:block;border-radius:14px;border:0.5px solid var(--line)}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:0.08em;text-transform:uppercase;color:var(--faint)}

header{position:sticky;top:0;z-index:50;backdrop-filter:saturate(140%) blur(12px);background:color-mix(in srgb,var(--bg) 82%,transparent);border-bottom:0.5px solid var(--line)}
nav{display:flex;align-items:center;justify-content:space-between;height:64px;max-width:var(--maxw);margin:0 auto;padding:0 32px}
.brand{font-family:var(--serif);font-size:19px;font-weight:500;letter-spacing:-0.01em}
.back{font-size:14px;color:var(--muted);transition:color .2s}
.back:hover{color:var(--accent)}

.cs-hero{padding:80px 0 40px}
.cs-hero .tagline{font-family:var(--mono);font-size:13px;color:var(--accent);text-transform:uppercase;letter-spacing:.06em;margin-bottom:18px}
.cs-hero h1{font-family:var(--serif);font-weight:300;font-size:clamp(36px,6vw,60px);line-height:1.06;letter-spacing:-0.025em;max-width:16ch}
.meta{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:44px;border-top:0.5px solid var(--line);padding-top:24px}
.meta .k{font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--faint);margin-bottom:6px}
.meta .v{font-size:15px}
@media(max-width:680px){.meta{grid-template-columns:repeat(2,1fr);gap:18px}}

.cs-hero-img{margin:48px 0 8px}

main section{padding:36px 0}
.cs h2{font-family:var(--serif);font-weight:400;font-size:clamp(26px,3.6vw,34px);letter-spacing:-0.02em;margin-bottom:18px}
.cs h3{font-family:var(--serif);font-weight:400;font-size:21px;margin:34px 0 10px;letter-spacing:-0.01em}
.cs p{color:var(--muted);font-size:17.5px;margin-bottom:18px;max-width:68ch}
.cs p strong{color:var(--text);font-weight:500}
.cs ul{color:var(--muted);font-size:17px;margin:0 0 18px 1.1em;max-width:68ch}
.cs ul li{margin-bottom:8px}
.cs ul li strong{color:var(--text);font-weight:500}
.solution{border-left:2px solid var(--accent);padding:4px 0 4px 18px;margin:18px 0 22px;font-size:16px;color:var(--text)}
.solution span{font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--accent);display:block;margin-bottom:5px}
figure{margin:26px 0}
figure img{margin:0}
figcaption{font-size:13.5px;color:var(--faint);margin-top:10px;text-align:center}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:26px 0}
@media(max-width:680px){.gallery{grid-template-columns:1fr}}
.callout{background:var(--accent-soft);border-radius:14px;padding:24px 26px;margin:26px 0}
.callout .n{font-family:var(--serif);font-size:34px;color:var(--accent);line-height:1}
.callout p{margin:8px 0 0;color:var(--text)}

.note{background:var(--surface);border:0.5px dashed var(--line-strong);border-radius:14px;padding:18px 22px;margin:26px 0;font-size:14.5px;color:var(--faint)}

.cs-foot{border-top:0.5px solid var(--line);margin-top:48px;padding:34px 0 60px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}
.cs-foot a.btn{display:inline-flex;align-items:center;gap:9px;font-size:15px;padding:12px 20px;border-radius:999px;border:0.5px solid var(--line-strong);transition:.2s}
.cs-foot a.btn:hover{border-color:var(--accent);color:var(--accent)}
.cs-foot .copy{font-size:13px;color:var(--faint)}

.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}