:root{
  --bg:#FAFAF8;--surface:#FFFFFF;--text:#1A1A1A;--muted:#5C5C5C;--faint:#8A8A85;
  --accent:#1F4E79;--accent-hover:#163a5b;--accent-soft:#EEF3F8;--accent-line:#D6E2EE;
  --border:#E6E4DF;--grey-soft:#F0F0EE;
  --radius:12px;--max:1080px;--text-col:720px;
  --sec:clamp(64px,8vw,96px);
  --font:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
h1,h2,h3{font-weight:600;line-height:1.15;letter-spacing:-0.02em;margin:0}
h1{font-size:clamp(2.1rem,4.6vw,3.4rem)}
h2{font-size:clamp(1.5rem,2.6vw,2rem);margin-bottom:12px}
h3{font-size:1.15rem;letter-spacing:-0.01em}
p{margin:0 0 1em}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.narrow{max-width:var(--text-col);margin:0 auto}
section{padding:var(--sec) 0}
.label{font-size:.82rem;font-weight:500;color:var(--muted);letter-spacing:.02em}
.muted{color:var(--muted)}
.lead{font-size:1.12rem;color:var(--muted);max-width:620px}

/* nav */
.nav{position:sticky;top:0;z-index:10;background:rgba(250,250,248,.9);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid transparent;transition:border-color .2s}
.nav.scrolled{border-bottom-color:var(--border)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:600;font-size:1rem}
.brand:hover{text-decoration:none}
.brand svg{width:28px;height:28px;color:var(--accent)}
.nav ul{display:flex;align-items:center;gap:28px;list-style:none;margin:0;padding:0}
.nav ul a{color:var(--muted);font-size:.92rem;font-weight:500}
.nav ul a:hover,.nav ul a[aria-current]{color:var(--text);text-decoration:none}
@media(max-width:640px){.nav ul{gap:16px}.nav .hide-sm{display:none}}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:999px;font-weight:500;font-size:.95rem;border:1px solid var(--accent);transition:background .15s,color .15s}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-hover)}
.btn-secondary{background:transparent;color:var(--accent)}
.btn-secondary:hover{background:var(--accent-soft)}
.btn-sm{padding:8px 16px;font-size:.88rem}
.btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}

/* hero */
.hero{padding-top:clamp(48px,7vw,88px)}
.hero-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:56px;align-items:center}
.hero h1{margin:14px 0 20px;max-width:15ch}
.portrait{aspect-ratio:4/5;border-radius:20px;background:var(--accent-soft);border:1px solid var(--accent-line);display:grid;place-items:center;overflow:hidden}
.portrait img{width:100%;height:100%;object-fit:cover}
.portrait .mono{font-size:5rem;font-weight:600;color:var(--accent);letter-spacing:-0.04em}
@media(max-width:820px){.hero-grid{grid-template-columns:1fr;gap:32px}.portrait{max-width:220px;order:-1}}

/* metrics */
.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.metric{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px}
.metric .num{font-size:clamp(2.2rem,4vw,3rem);font-weight:600;color:var(--accent);letter-spacing:-0.03em;line-height:1;font-variant-numeric:tabular-nums}
.metric p{margin:12px 0 0;color:var(--muted);font-size:.95rem}
.metrics.two{grid-template-columns:repeat(2,1fr)}
@media(max-width:720px){.metrics,.metrics.two{grid-template-columns:1fr}}

/* cards */
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:820px){.grid3{grid-template-columns:1fr}}
@media(max-width:720px){.grid2{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;display:flex;flex-direction:column;gap:10px;color:var(--text);transition:border-color .15s,transform .15s}
a.card:hover{text-decoration:none;border-color:var(--accent-line);transform:translateY(-2px)}
.card p{margin:0;color:var(--muted);font-size:.95rem}
.card-top{display:flex;justify-content:space-between;align-items:center;gap:8px}
.track{font-size:.78rem;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.badge{font-size:.76rem;font-weight:500;padding:4px 10px;border-radius:999px;white-space:nowrap}
.badge.progress{color:var(--accent);background:var(--accent-soft)}
.badge.next{color:var(--muted);background:var(--grey-soft)}
.card .more{margin-top:auto;padding-top:6px;font-weight:500;color:var(--accent);font-size:.92rem}
.card.feature{padding:32px}
.card.feature h3{font-size:1.4rem}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}
.chip{font-size:.8rem;font-weight:500;color:var(--accent);background:var(--accent-soft);border:1px solid var(--accent-line);padding:4px 12px;border-radius:999px}
.chip.grey{color:var(--muted);background:var(--grey-soft);border-color:var(--border)}
.num-label{font-size:.8rem;font-weight:600;color:var(--faint);font-variant-numeric:tabular-nums}

/* how I work */
.cols3{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}
.cols3 h3{margin-bottom:8px}
.cols3 p{color:var(--muted);margin:0}
@media(max-width:820px){.cols3{grid-template-columns:1fr;gap:24px}}

/* cta / footer */
.cta{background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:clamp(32px,5vw,56px);text-align:center}
.cta p{color:var(--muted);max-width:520px;margin:12px auto 0}
.cta .btns{justify-content:center}
.links{display:flex;justify-content:center;gap:20px;margin-top:20px;font-size:.92rem;flex-wrap:wrap}
footer.site{padding:32px 0 48px;color:var(--faint);font-size:.85rem}
footer.site .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}

/* case page */
.case-head{padding-top:clamp(40px,6vw,72px);padding-bottom:32px}
.back{font-size:.9rem;font-weight:500;display:inline-block;margin-bottom:28px}
.case-head h1{margin:12px 0 18px;font-size:clamp(1.9rem,4vw,2.8rem)}
.result{font-size:1.2rem;font-weight:600;line-height:1.5;color:var(--text)}
.facts{display:grid;grid-template-columns:repeat(2,1fr);gap:20px 32px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px}
.facts dt{font-size:.78rem;font-weight:600;color:var(--faint);text-transform:uppercase;letter-spacing:.06em;margin-bottom:4px}
.facts dd{margin:0;font-size:.95rem}
@media(max-width:640px){.facts{grid-template-columns:1fr}}
.case section{padding:clamp(40px,5vw,64px) 0}
.bars{margin-top:24px;display:grid;gap:12px}
.bar-row{display:grid;grid-template-columns:150px 1fr;align-items:center;gap:12px;font-size:.9rem;color:var(--muted)}
.bar{height:28px;border-radius:6px;display:flex;align-items:center;justify-content:flex-end;padding-right:10px;font-weight:600;font-size:.85rem}
.bar.grey{background:#D9D7D2;color:var(--text);width:30%}
.bar.blue{background:var(--accent);color:#fff;width:90%}
@media(max-width:520px){.bar-row{grid-template-columns:1fr}}
table.ba{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;font-size:.93rem}
table.ba th{text-align:left;font-size:.78rem;text-transform:uppercase;letter-spacing:.06em;color:var(--faint);font-weight:600;padding:14px 18px;border-bottom:1px solid var(--border)}
table.ba td{padding:16px 18px;border-bottom:1px solid var(--border);vertical-align:top;color:var(--muted)}
table.ba td:first-child{color:var(--text);font-weight:600;white-space:nowrap}
table.ba tr.hl td{background:var(--accent-soft);color:var(--accent);font-weight:600;border-bottom:0}
@media(max-width:640px){
  table.ba thead{display:none}
  table.ba,table.ba tbody,table.ba tr,table.ba td{display:block;width:100%}
  table.ba tr{border-bottom:1px solid var(--border);padding:14px 16px}
  table.ba td{border:0;padding:4px 0;white-space:normal}
  table.ba td[data-l]::before{content:attr(data-l)": ";font-weight:600;color:var(--faint);font-size:.8rem;text-transform:uppercase;letter-spacing:.05em}
}
ol.decisions{list-style:none;padding:0;margin:0;counter-reset:d;display:grid;gap:18px}
ol.decisions li{counter-increment:d;display:grid;grid-template-columns:40px 1fr;gap:12px}
ol.decisions li::before{content:counter(d,decimal-leading-zero);font-weight:600;color:var(--accent);font-variant-numeric:tabular-nums}
ol.decisions strong{display:block;margin-bottom:2px}
ol.decisions span{color:var(--muted)}
.lens dl{margin:0;display:grid;gap:14px}
.lens dt{font-weight:600;font-size:.92rem}
.lens dd{margin:2px 0 0;color:var(--muted);font-size:.93rem}

/* about */
.about-grid{display:grid;grid-template-columns:1fr 1.6fr;gap:56px;align-items:start}
@media(max-width:820px){.about-grid{grid-template-columns:1fr;gap:28px}.about-grid .portrait{max-width:220px}}
.timeline{list-style:none;margin:0;padding:0 0 0 24px;border-left:1px solid var(--border);display:grid;gap:32px}
.timeline li{position:relative;display:grid;grid-template-columns:170px 1fr;gap:16px}
.timeline li::before{content:"";position:absolute;left:-28.5px;top:8px;width:8px;height:8px;border-radius:50%;background:var(--accent)}
.timeline .when{font-size:.88rem;color:var(--muted);font-variant-numeric:tabular-nums}
.timeline h3{font-size:1.05rem}
.timeline p{margin:4px 0 0;color:var(--muted);font-size:.95rem}
@media(max-width:640px){.timeline li{grid-template-columns:1fr;gap:4px}}
ul.plain{list-style:none;padding:0;margin:0;display:grid;gap:10px}
ul.plain li{padding-left:16px;position:relative}
ul.plain li::before{content:"";position:absolute;left:0;top:.7em;width:6px;height:1px;background:var(--faint)}

.fade{opacity:0;transform:translateY(8px);transition:opacity .5s ease,transform .5s ease}
.fade.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.fade{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}
.brand span,.nav ul a,.btn{white-space:nowrap}
@media(max-width:420px){.brand span{font-size:.92rem}.nav ul{gap:12px}.nav .btn-sm{padding:7px 12px;font-size:.82rem}.brand svg{width:24px;height:24px}}
table.ba tr.hl{background:var(--accent-soft)}
@media(max-width:420px){.nav .hide-xs{display:none}}
.portrait{position:relative}
.portrait img{position:absolute;inset:0}
.links{gap:12px}
.social{display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border:1px solid var(--border);border-radius:999px;background:var(--surface);color:var(--text);font-weight:500;font-size:.9rem;transition:border-color .15s,background .15s}
.social:hover{text-decoration:none;border-color:var(--accent-line);background:var(--accent-soft)}
.social svg{flex:none}