:root{--bg:#F6F6F4;--ink:#121212;--muted:#5E5E5B;--line:#DEDEDA;--ph:#E6E6E1;--dark:#1B1B1A;--body:#2C2C2A}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:'Geist',system-ui,-apple-system,'Segoe UI',sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--ink);text-decoration:none}a:hover{color:var(--muted)}
a:focus-visible,button:focus-visible{outline:2px solid var(--ink);outline-offset:3px;border-radius:4px}
h1,h2,h3,p,li{text-wrap:pretty}
img{max-width:100%;display:block}
.page{display:flex;flex-direction:column;min-height:100vh}
main{flex:1}
.wrap{max-width:1280px;margin:0 auto;padding:0 clamp(20px,4vw,56px);width:100%}
.mono{font-family:'Geist Mono',ui-monospace,Menlo,monospace;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:var(--bg);padding:10px 16px;border-radius:8px;z-index:10}
.skip:focus{left:8px;color:var(--bg)}

/* header / footer */
.site-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px 32px;padding-top:28px;padding-bottom:28px}
.brand{font-size:17px;font-weight:500;letter-spacing:-.01em}
.nav{display:flex;flex-wrap:wrap;gap:4px 28px;font-size:15px}
.nav a{color:var(--muted);padding:12px 0}
.nav a:hover,.nav a[aria-current]{color:var(--ink)}
.site-foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px 32px;padding-top:32px;padding-bottom:32px;font-size:14px;color:var(--muted);border-top:1px solid var(--line)}
.site-foot .nav{font-size:14px;gap:4px 24px}

/* type */
.h-display{margin:0;font-weight:500;letter-spacing:-.045em;line-height:1.02}
.lede{margin:0;font-size:clamp(20px,1.9vw,24px);line-height:1.45;color:var(--muted)}
.sub{margin:0;font-size:19px;line-height:1.55;color:var(--muted)}

/* buttons / links */
.pill{display:inline-flex;align-items:center;gap:10px;min-height:48px;padding:0 24px;border-radius:999px;border:1px solid var(--ink);font-size:15px;font-weight:500;transition:background .2s,color .2s}
.pill:hover{background:var(--ink);color:var(--bg)}
.pill.solid{background:var(--ink);color:var(--bg)}
.pill.solid:hover{background:#3A3A38;color:var(--bg)}
.pill.light{background:var(--bg);color:var(--ink);border-color:var(--bg)}
.pill.light:hover{background:#fff;color:var(--ink)}
.pill.ghost-dark{border-color:#5E5E5B;color:var(--bg)}
.pill.ghost-dark:hover{background:var(--bg);color:var(--ink)}
.ul{background-image:linear-gradient(currentColor,currentColor);background-size:0 1px;background-repeat:no-repeat;background-position:0 100%;transition:background-size .3s;font-size:15px}
.ul:hover{background-size:100% 1px;color:var(--ink)}

/* cards */
.grid-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(360px,100%),1fr));gap:56px 32px}
.card{display:flex;flex-direction:column;gap:20px}
.card .frame{aspect-ratio:8/5;border-radius:14px;overflow:hidden;background:var(--ph)}
.card .ph,.card .frame img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.card:hover .ph,.card:hover .frame img{transform:scale(1.015)}
.ph{display:flex;align-items:center;justify-content:center;background:var(--ph);text-align:center;padding:16px}
.ph.dark{background:var(--dark)}.ph.dark .mono{color:#A3A39E}
.card h3{margin:0;font-size:24px;font-weight:500;letter-spacing:-.02em;transition:color .2s}
.card:hover h3{color:var(--muted)}
.card p{margin:-8px 0 0;font-size:16px;line-height:1.5;color:var(--muted)}
.card .meta{display:flex;flex-wrap:wrap;gap:8px 24px}

/* sections */
.sec{padding-top:clamp(64px,8vw,112px);padding-bottom:clamp(64px,8vw,112px)}
.split{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(300px,100%),1fr));gap:24px 64px}
.split>.col{grid-column:span 2;min-width:0}
.band-top{border-top:1px solid var(--line)}
.dark-band{background:var(--ink);color:var(--bg)}
.dark-band .mono{color:#A3A39E}

/* long-form body */
.body{display:flex;flex-direction:column;gap:20px;max-width:720px}
.body p,.body li{margin:0;font-size:18px;line-height:1.65;color:var(--body)}
.body ul,.body ol{margin:0;padding-left:1.2em;display:flex;flex-direction:column;gap:10px}
.body h3{margin:12px 0 0;font-size:20px;font-weight:500;letter-spacing:-.015em}
.todo{background:#FFF1B8;color:#4A3B00;padding:1px 6px;border-radius:4px;font-size:.92em}

/* case study */
.facts{margin:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(200px,100%),1fr));gap:24px 32px;border-top:1px solid var(--line);padding-top:24px}
.facts div{display:flex;flex-direction:column;gap:8px}
.facts dd{margin:0;font-size:16px}
.outcomes{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(260px,100%),1fr));gap:24px;border-top:1px solid var(--ink);padding-top:32px}
.outcomes p{margin:12px 0 0;font-size:26px;line-height:1.25;letter-spacing:-.02em;font-weight:500}
.cs-h{margin:0;display:flex;flex-direction:column;gap:10px;font-size:26px;font-weight:500;letter-spacing:-.02em}
.next{display:block;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.next .arrow{font-size:40px;transition:transform .25s}.next:hover .arrow{transform:translateX(8px)}
.hero-ph{aspect-ratio:16/9;border-radius:16px}

@media (prefers-reduced-motion:reduce){*{transition:none!important}}

/* images */
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.card .frame img.cover{width:100%;height:100%;object-fit:cover;object-position:center;transition:transform .4s}
.card:hover .frame img.cover{transform:scale(1.015)}
.hero-img{width:100%;height:auto;aspect-ratio:8/5;object-fit:cover;object-position:center;border-radius:16px;border:1px solid var(--line);background:#fff}
.fig{margin:0;display:flex;flex-direction:column;gap:14px}
.fig-row{display:grid;gap:24px;align-items:start}
.fig-pair .fig-row{grid-template-columns:repeat(auto-fit,minmax(min(420px,100%),1fr))}
.fig-trio .fig-row{grid-template-columns:repeat(auto-fit,minmax(min(260px,100%),1fr))}
.fig-one .fig-row{grid-template-columns:minmax(0,1fr)}
.fig-one-narrow .fig-row{grid-template-columns:minmax(0,520px)}
.shot{display:block;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff}
.shot img{width:100%;height:auto;display:block}
.fig-one .shot{max-width:var(--maxw,100%)}
.fig-one .shot img{margin:0 auto}
.fig figcaption{font-size:14px;color:var(--muted);line-height:1.5}
.cs-sec{display:flex;flex-direction:column;gap:clamp(28px,3.5vw,48px)}

/* csat chart */
.csat{--c-pos:#2F7D57;--c-neu:#8C8C87;--c-neg:#B8482A;gap:20px}
.csat-chart{display:flex;flex-direction:column;gap:18px}
.csat-row{display:grid;grid-template-columns:minmax(150px,220px) 1fr;gap:8px 20px;align-items:center}
.csat-label{display:flex;flex-direction:column;gap:2px;font-size:15px;color:var(--body)}
.csat-bar{display:flex;height:40px;border-radius:8px;overflow:hidden}
.csat-bar span{display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:500;color:#fff;min-width:0}
.csat-bar .pos,.csat-legend .pos{background:var(--c-pos)}
.csat-bar .neu,.csat-legend .neu{background:var(--c-neu)}
.csat-bar .neg,.csat-legend .neg{background:var(--c-neg)}
.csat-legend{display:flex;flex-wrap:wrap;gap:8px 20px;font-size:14px;color:var(--muted)}
.csat-legend span{display:inline-flex;align-items:center;gap:8px}
.csat-legend i{width:12px;height:12px;border-radius:3px;display:inline-block}
@media (max-width:560px){.csat-row{grid-template-columns:1fr}}