:root{
  --bg:#FAFAF8;
  --ink:#1A1A18;
  --muted:#6B6B66;
  --hair:#E2E1DB;
  --accent:#0F6E56;
  --display:'Space Grotesk',system-ui,sans-serif;
  --body:'Inter',system-ui,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,monospace;
  --maxw:760px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--ink);
  font-family:var(--body);font-size:17px;line-height:1.7;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* Nav */
nav{position:sticky;top:0;z-index:10;background:rgba(250,250,248,.85);backdrop-filter:blur(8px);border-bottom:1px solid var(--hair)}
nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
nav .name{font-family:var(--display);font-weight:600;font-size:16px;letter-spacing:-.01em;text-decoration:none;color:var(--ink)}
nav .links{display:flex;gap:28px;align-items:center}
nav .links a{font-size:14px;color:var(--muted);text-decoration:none;transition:color .15s}
nav .links a:hover,nav .links a.active{color:var(--ink)}
nav .links a.cta{color:var(--accent);font-weight:500}

/* Hero / page head */
header{padding:90px 0 64px}
header.page{padding:72px 0 44px}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin-bottom:26px}
h1{font-family:var(--display);font-weight:500;font-size:clamp(36px,7vw,58px);line-height:1.05;letter-spacing:-.025em;margin-bottom:26px}
h1.small{font-size:clamp(30px,5vw,44px)}
.lede{font-size:19px;line-height:1.65;color:#33332F;max-width:620px}
.lede strong{font-weight:500;color:var(--ink)}

/* Sections */
section{padding:52px 0;border-top:1px solid var(--hair)}
.sec-label{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:34px;display:flex;justify-content:space-between;align-items:baseline}
.sec-label a{font-size:13px;color:var(--accent);text-decoration:none;text-transform:none;letter-spacing:0}
.sec-label a:hover{text-decoration:underline}

/* Case studies */
.case{padding:0 0 40px;margin-bottom:40px;border-bottom:1px solid var(--hair)}
.case:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}
.case .metric{font-family:var(--mono);font-weight:500;font-size:30px;letter-spacing:-.02em;color:var(--accent);margin-bottom:6px;line-height:1.1}
.case .metric-label{font-family:var(--mono);font-size:12px;letter-spacing:.04em;color:var(--muted);text-transform:uppercase;margin-bottom:16px}
.case h3{font-family:var(--display);font-weight:500;font-size:22px;letter-spacing:-.015em;margin-bottom:12px}
.case h3 a{color:var(--ink);text-decoration:none}
.case h3 a:hover{color:var(--accent)}
.case p{color:#3A3A36;margin-bottom:12px}
.case .tag{display:inline-block;font-family:var(--mono);font-size:11px;letter-spacing:.04em;text-transform:uppercase;color:var(--muted);border:1px solid var(--hair);border-radius:4px;padding:3px 9px;margin-top:14px;margin-right:6px}
.case .readmore{font-family:var(--display);font-size:14px;font-weight:500;color:var(--accent);text-decoration:none;display:inline-block;margin-top:16px}
.case .readmore:hover{text-decoration:underline}

/* Article list */
.art{padding:22px 0;border-bottom:1px solid var(--hair);display:block;text-decoration:none;color:inherit}
.art:hover h3{color:var(--accent)}
.art .date{font-family:var(--mono);font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;margin-bottom:8px}
.art h3{font-family:var(--display);font-weight:500;font-size:21px;letter-spacing:-.015em;margin-bottom:8px;transition:color .15s}
.art p{color:var(--muted);font-size:16px}
.empty{color:var(--muted);font-style:italic;padding:8px 0}

/* Article / case detail body */
.detail-body{max-width:660px}
.detail-body p{margin-bottom:20px;color:#33332F}
.back{font-family:var(--mono);font-size:13px;color:var(--muted);text-decoration:none;display:inline-block;margin-bottom:32px}
.back:hover{color:var(--ink)}

/* About */
.about p{margin-bottom:16px;color:#33332F}
.about p:last-child{margin-bottom:0}

/* Contact */
.contact h2{font-family:var(--display);font-weight:500;font-size:clamp(26px,4vw,34px);letter-spacing:-.02em;margin-bottom:18px;line-height:1.15}
.contact p{color:var(--muted);margin-bottom:28px;max-width:520px}
.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--display);font-weight:500;font-size:15px;color:var(--bg);background:var(--ink);text-decoration:none;padding:13px 22px;border-radius:8px;transition:opacity .15s;border:none;cursor:pointer}
.btn:hover{opacity:.85}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--hair)}
.btn.ghost:hover{border-color:var(--ink);opacity:1}
.btn-row{display:flex;gap:12px;flex-wrap:wrap}
.contact .alt{margin-top:18px;font-size:14px;color:var(--muted)}
.contact .alt a{color:var(--ink);text-decoration:none;border-bottom:1px solid var(--hair)}
.contact .alt a:hover{border-color:var(--ink)}

/* Footer */
footer{border-top:1px solid var(--hair);padding:36px 0 60px}
footer .wrap{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}
footer .mark{font-family:var(--display);font-weight:600;font-size:15px}
footer .fl{display:flex;gap:22px}
footer .fl a{font-size:14px;color:var(--muted);text-decoration:none}
footer .fl a:hover{color:var(--ink)}

a:focus-visible,.btn:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}

@media (max-width:560px){
  nav .links{gap:16px}
  nav .links a.hide-sm{display:none}
  header{padding:60px 0 48px}
  .case .metric{font-size:26px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}