:root{
  --bg:#fff;--ink:#0b0b0c;--ink2:#55565b;--ink3:#6c6d73;--line:#e8e8ea;--soft:#f5f5f6;--soft2:#efeff1;
  --g:#0f9d6b;--gbg:#e7f6ef;--r:28px;--rs:18px;
  --sans:'Geist',-apple-system,BlinkMacSystemFont,'Segoe UI',Helvetica,Arial,sans-serif;
  --mono:'Geist Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--sans);background:var(--bg);color:var(--ink);font-size:17px;line-height:1.5;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
section{padding:0 clamp(20px,5vw,72px)}
.eyebrow{font-family:var(--mono);font-size:12.5px;letter-spacing:.04em;text-transform:uppercase;color:var(--ink3);margin-bottom:22px}

/* nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;align-items:center;justify-content:space-between;padding:16px clamp(20px,5vw,72px);transition:background .3s,backdrop-filter .3s,border-color .3s;border-bottom:1px solid transparent}
.nav.scrolled{background:rgba(255,255,255,.78);backdrop-filter:saturate(1.6) blur(16px);-webkit-backdrop-filter:saturate(1.6) blur(16px);border-color:var(--line)}
.brand-mark{font-weight:600;font-size:22px;letter-spacing:-.06em}
.nav-links{display:flex;gap:34px;font-size:15px;color:var(--ink2)}
.nav-links a{transition:color .2s}.nav-links a:hover{color:var(--ink)}
.btn{display:inline-flex;align-items:center;gap:10px;height:52px;padding:0 26px;border-radius:999px;font-size:16px;font-weight:500;transition:transform .25s var(--ease),background .2s,box-shadow .2s;white-space:nowrap}
.btn-sm{height:40px;padding:0 20px;font-size:14.5px}
.btn-lg{height:60px;padding:0 34px;font-size:18px}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{transform:translateY(-1px);box-shadow:0 10px 30px -10px rgba(0,0,0,.45)}
.btn-ghost{background:var(--soft);color:var(--ink)}.btn-ghost:hover{background:var(--soft2)}
.arr{transition:transform .25s var(--ease)}.btn:hover .arr{transform:translateX(4px)}

/* type */
h1,.huge,.big{font-weight:400;letter-spacing:-.045em;line-height:1.02}
h1{font-size:clamp(46px,8.4vw,128px);letter-spacing:-.055em;line-height:.98}
.huge{font-size:clamp(38px,6.4vw,96px)}
.big{font-size:clamp(34px,5.2vw,76px)}
.soft{color:#8a8b91}
h3{font-weight:500;letter-spacing:-.02em}

/* reveal */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}
.d1{transition-delay:.08s}.d2{transition-delay:.16s}.d3{transition-delay:.24s}.d4{transition-delay:.34s}

/* hero */
.hero{padding-top:clamp(130px,17vh,190px);text-align:center;display:flex;flex-direction:column;align-items:center}
.hero .lead{font-size:clamp(19px,2vw,26px);color:var(--ink2);margin-top:30px;letter-spacing:-.02em}
.hero-cta{display:flex;gap:12px;margin-top:38px;flex-wrap:wrap;justify-content:center}
.stage{position:relative;width:100%;max-width:1180px;margin:clamp(56px,8vw,96px) auto 0;border-radius:36px;overflow:hidden;padding:clamp(18px,4.5vw,64px);display:flex;justify-content:center}
.stage-bg{position:absolute;inset:0;background:
  radial-gradient(60% 80% at 15% 20%,#cfe9ff 0,transparent 60%),
  radial-gradient(55% 70% at 85% 25%,#d9f3e6 0,transparent 60%),
  radial-gradient(70% 80% at 55% 100%,#e7e0ff 0,transparent 62%),
  #f3f6fb}
.win{position:relative;width:100%;max-width:900px;background:#fff;border-radius:20px;box-shadow:0 1px 0 rgba(0,0,0,.04),0 40px 80px -30px rgba(20,30,60,.35),0 0 0 1px rgba(0,0,0,.05);text-align:left;overflow:hidden}
.win-bar{display:flex;align-items:center;gap:14px;padding:14px 18px;border-bottom:1px solid var(--line)}
.dots{display:flex;gap:6px}.dots i{width:10px;height:10px;border-radius:50%;background:#e4e4e7}
.win-title{font-size:14px;font-weight:500;flex:1;text-align:center;color:var(--ink2)}
.pill{display:inline-flex;align-items:center;gap:6px;font-size:12px;padding:4px 10px;border-radius:999px;background:var(--soft);color:var(--ink2);font-weight:500}
.pill.live{background:var(--gbg);color:var(--g)}.pill.live b{width:6px;height:6px;border-radius:50%;background:var(--g);animation:pulse 1.8s infinite}
@keyframes pulse{50%{opacity:.25}}
.win-body{display:grid;grid-template-columns:1fr 1.1fr}
.col{padding:24px 26px 26px}.col-before{border-right:1px solid var(--line);background:#fafafa}
.col-h{font-family:var(--mono);font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--ink3);margin-bottom:16px}
.tasks li,.run li{display:flex;gap:12px;align-items:center;font-size:14.5px;padding:9px 0;line-height:1.3}
.tasks li{color:var(--ink2);animation:strike 9s infinite;animation-delay:calc(var(--i)*.7s)}
.tick{flex:none;width:16px;height:16px;border-radius:50%;border:1.5px solid #cfcfd4}
@keyframes strike{0%,12%{opacity:1}30%,92%{opacity:.35;text-decoration:line-through}100%{opacity:1;text-decoration:none}}
.run li{opacity:0;transform:translateY(8px);animation:rise 9s infinite;animation-delay:calc(var(--i)*.9s + .6s)}
@keyframes rise{0%{opacity:0;transform:translateY(8px)}6%,90%{opacity:1;transform:none}98%,100%{opacity:0}}
.run em{font-style:normal;font-weight:500}
.ok{flex:none;width:18px;height:18px;border-radius:50%;background:var(--g);position:relative}
.ok::after{content:"";position:absolute;left:5.5px;top:3.5px;width:4px;height:8px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg)}
.ok.h{background:var(--ink)}
.done{display:flex;justify-content:space-between;align-items:center;margin-top:14px;padding:12px 14px;border-radius:12px;background:var(--gbg);color:var(--g);font-size:14px;font-weight:500;opacity:0;animation:rise 9s infinite;animation-delay:5.6s}
.done b{font-family:var(--mono);font-weight:500}

/* statement */
.statement{padding-top:clamp(110px,16vw,220px);max-width:1280px;margin:0 auto}
.statement .huge{max-width:15ch}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,4vw,56px);margin-top:clamp(56px,8vw,100px);border-top:1px solid var(--line);padding-top:36px}
.stat{position:relative}
.stat .n,.stat .u{display:inline;font-size:clamp(56px,7vw,104px);letter-spacing:-.06em;font-weight:300;line-height:1}
.stat .u{color:var(--ink3)}
.stat p{margin-top:14px;color:var(--ink);font-size:16.5px;max-width:30ch;line-height:1.4}
.stat small{display:block;margin-top:10px;font-family:var(--mono);font-size:11.5px;color:var(--ink3);text-transform:uppercase;letter-spacing:.04em}
.plain{margin-top:clamp(48px,7vw,88px);font-size:clamp(21px,2.4vw,32px);letter-spacing:-.025em;line-height:1.3;max-width:34ch;color:var(--ink)}

/* section head */
.sec-head{max-width:1280px;margin:0 auto clamp(40px,6vw,76px)}
.disc,.versus,.split,.tiles,.method{padding-top:clamp(110px,15vw,200px)}
.vs-grid,.two,.tile-grid,.steps,.bar{max-width:1280px;margin-left:auto;margin-right:auto}

/* versus */
.vs-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.card{border-radius:var(--r);padding:clamp(26px,3.4vw,48px);min-height:520px;display:flex;flex-direction:column}
.card-soft{background:var(--soft)}.card-dark{background:var(--ink);color:#fff}
.card-tag{font-family:var(--mono);font-size:12px;letter-spacing:.05em;text-transform:uppercase;opacity:.55;margin-bottom:22px}
.card h3{font-size:clamp(28px,3.2vw,44px);letter-spacing:-.04em;font-weight:400;line-height:1.05;max-width:12ch}
.plain-list{margin-top:26px;display:grid;gap:10px;font-size:17px}
.plain-list li{padding-left:22px;position:relative;line-height:1.35}
.plain-list li::before{content:"";position:absolute;left:0;top:.6em;width:7px;height:7px;border-radius:50%;background:currentColor;opacity:.4}
.card-dark .plain-list li::before{background:#3ddc97;opacity:1}
.muted{color:var(--ink2)}
.mini{margin-top:auto;padding-top:34px}
.mini-deck{border-radius:16px;background:#fff;padding:20px;display:grid;gap:10px;position:relative;box-shadow:0 0 0 1px var(--line)}
.deck-line{height:9px;border-radius:5px;background:var(--soft2)}.w80{width:80%}.w60{width:60%}.w70{width:70%}
.deck-chart{display:flex;gap:10px;align-items:flex-end;height:70px;margin-top:8px}.deck-chart i{flex:1;background:var(--soft2);border-radius:5px 5px 0 0}
.mini-sys{display:grid;gap:8px;padding-top:34px}
.sys-row{display:flex;align-items:center;gap:12px;padding:14px 16px;border-radius:14px;background:rgba(255,255,255,.07);font-size:15.5px}
.sys-row b{margin-left:auto;font-weight:400;font-size:13px;opacity:.6}
.dot{width:8px;height:8px;border-radius:50%;background:#6c6d73}.dot.g{background:#3ddc97;box-shadow:0 0 0 4px rgba(61,220,151,.18)}

/* 80/20 */
.bar{display:flex;gap:10px;height:clamp(120px,16vw,200px);margin-bottom:18px}
.bar>div{border-radius:var(--rs);padding:clamp(16px,2vw,26px);display:flex;flex-direction:column;justify-content:space-between;transform-origin:left;transform:scaleX(.001);opacity:0}
.bar.go>div{transform:none;opacity:1;transition:transform 1.4s var(--ease),opacity .6s}
.bar-80{flex:80;background:var(--ink);color:#fff}
.bar-20{flex:20;background:var(--gbg);color:#0a6b49;transition-delay:.25s!important}
.bar-n{font-size:clamp(34px,5vw,72px);letter-spacing:-.05em;font-weight:300;line-height:1}
.bar-l{font-size:clamp(12px,1.3vw,16px);opacity:.75;line-height:1.25}
.two{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.col-card{background:var(--soft);border-radius:var(--r);padding:clamp(26px,3.2vw,44px)}
.col-card h3{font-size:clamp(24px,2.4vw,32px);letter-spacing:-.035em;font-weight:400}
.col-card>p{color:var(--ink2);margin-top:12px;max-width:42ch}
.check{margin-top:26px;display:grid;gap:12px}
.check li{padding-left:34px;position:relative;line-height:1.35}
.check li::before{content:"";position:absolute;left:0;top:1px;width:20px;height:20px;border-radius:50%;background:var(--g)}
.check li::after{content:"";position:absolute;left:7px;top:5px;width:4px;height:8px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg)}
.pull{max-width:1280px;margin:clamp(70px,10vw,140px) auto 0;font-size:clamp(34px,5.6vw,84px);letter-spacing:-.05em;line-height:1.02;font-weight:400}

/* tiles */
.tile-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.tile{background:var(--soft);border-radius:var(--r);padding:12px 12px clamp(26px,3vw,40px)}
.tile h3{font-size:24px;letter-spacing:-.03em;font-weight:500;margin:28px clamp(14px,2vw,28px) 0}
.tile p{margin:8px clamp(14px,2vw,28px) 0;color:var(--ink2);max-width:40ch;line-height:1.4}
.tile-ui{height:290px;border-radius:20px;background:#fff;box-shadow:0 0 0 1px rgba(0,0,0,.05);padding:22px;position:relative;overflow:hidden;display:flex;flex-direction:column;gap:6px}
.tile-ui::after{content:"";position:absolute;left:0;right:0;bottom:0;height:60px;background:linear-gradient(transparent,#fff)}
.ui-h{display:flex;justify-content:space-between;align-items:center;font-weight:500;font-size:15px;margin-bottom:10px}
.ui-row{display:flex;align-items:center;gap:12px;padding:13px 14px;border-radius:12px;background:var(--soft);font-size:14.5px}
.ui-row.slim{margin-top:auto;margin-bottom:34px}
.ui-row span{flex:1}
.ui-row b{font-weight:500;font-size:12.5px;padding:4px 10px;border-radius:999px}
.ui-row b.ok{background:var(--gbg);color:var(--g);width:auto;height:auto;border-radius:999px;position:static}
.ui-row b.ok::after{display:none}
.ui-row b.rev{background:#fff1e0;color:#b45f06}
.ui-row.warn{box-shadow:inset 0 0 0 1.5px #f3d3a8}
.av{width:26px;height:26px;border-radius:50%;flex:none}
.a1{background:linear-gradient(135deg,#a8d8ff,#7aa8ff)}.a2{background:linear-gradient(135deg,#b8f0d6,#5ccfa0)}.a3{background:linear-gradient(135deg,#ffd5a8,#ff9f6b)}.a4{background:linear-gradient(135deg,#d9c8ff,#a58bff)}
.bubble{padding:13px 16px;border-radius:16px;font-size:14.5px;line-height:1.4;max-width:88%}
.bubble.q{background:var(--soft);align-self:flex-end;border-bottom-right-radius:5px}
.bubble.a{background:#fff;box-shadow:0 0 0 1px var(--line);border-bottom-left-radius:5px;margin-top:6px}
.cite{display:inline-block;margin-left:8px;font-size:11.5px;font-weight:500;color:var(--g);background:var(--gbg);padding:2px 8px;border-radius:999px;white-space:nowrap}
.spark{display:flex;gap:12px;align-items:flex-end;height:150px;padding:0 4px;margin:6px 0 16px}
.spark i{flex:1;border-radius:7px 7px 3px 3px;background:var(--soft2)}.spark i.hi{background:var(--g)}

/* method */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
.steps li{padding:28px clamp(14px,1.8vw,28px) 10px 0;border-right:1px solid var(--line);padding-left:clamp(14px,1.8vw,28px)}
.steps li:first-child{padding-left:0}.steps li:last-child{border-right:0}
.num{font-family:var(--mono);font-size:13px;color:var(--g)}
.steps h3{font-size:clamp(21px,2vw,27px);letter-spacing:-.03em;font-weight:500;margin:36px 0 10px;line-height:1.1}
.steps p{color:var(--ink2);font-size:16px;line-height:1.4}

/* thesis */
.thesis{margin:clamp(110px,15vw,200px) clamp(12px,2.4vw,32px) 0;padding:clamp(80px,12vw,170px) clamp(24px,6vw,96px);border-radius:40px;position:relative;overflow:hidden;color:var(--ink);isolation:isolate}
.thesis-bg{position:absolute;inset:0;z-index:-1;background:
  radial-gradient(50% 70% at 10% 90%,#cdeeff 0,transparent 65%),
  radial-gradient(50% 70% at 90% 10%,#dcf4e8 0,transparent 65%),
  radial-gradient(60% 60% at 60% 80%,#e6defb 0,transparent 65%),#f4f6fa}
.thesis>*{max-width:1180px;margin-left:auto;margin-right:auto}
.thesis .huge{font-size:clamp(44px,8vw,128px);letter-spacing:-.055em;line-height:.98}
.thesis-body{margin-top:clamp(40px,6vw,80px);font-size:clamp(20px,2.2vw,30px);letter-spacing:-.02em;line-height:1.35;max-width:36ch;color:var(--ink)}
.thesis-note{margin-top:28px;color:var(--ink2);font-size:18px;max-width:44ch}

/* cta */
.cta{text-align:center;padding-top:clamp(110px,15vw,200px);padding-bottom:clamp(90px,12vw,160px)}
.cta .huge{max-width:16ch;margin:0 auto 48px}
.mail{margin-top:20px;font-family:var(--mono);font-size:14px;color:var(--ink3)}

.foot{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;padding:28px clamp(20px,5vw,72px) 40px;border-top:1px solid var(--line);font-size:14px;color:var(--ink2)}
.foot-l,.foot-r{display:flex;gap:22px;align-items:center}.foot a:hover{color:var(--ink)}

@media(max-width:900px){
  .nav-links{display:none}
  .vs-grid,.two,.tile-grid{grid-template-columns:1fr}
  .card{min-height:0}
  .stat-row{grid-template-columns:1fr;gap:34px}
  .steps{grid-template-columns:1fr 1fr}
  .steps li{border-right:0;border-bottom:1px solid var(--line);padding:24px 14px 24px 0!important}
  .win-body{grid-template-columns:1fr}.col-before{border-right:0;border-bottom:1px solid var(--line)}
  .win-title{display:none}.win-bar{justify-content:space-between}
  .bar{height:130px}
}
@media(max-width:560px){
  body{font-size:16px}
  .steps{grid-template-columns:1fr}
  .stage{border-radius:24px}
  .thesis{border-radius:28px}
  .foot{flex-direction:column;align-items:flex-start}
  .foot-r{flex-wrap:wrap;gap:14px}
}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .tasks li,.run li,.done{animation:none;opacity:1}
  .bar>div{transform:none;opacity:1}
}
html.static *{transition:none!important}
.statement{max-width:none;margin:0;padding-left:max(clamp(20px,5vw,72px),calc((100% - 1280px)/2));padding-right:max(clamp(20px,5vw,72px),calc((100% - 1280px)/2))}
.stat-row,.statement .plain{max-width:1280px}
.thesis>*{margin-left:0;margin-right:0;max-width:none}
.thesis .thesis-body{max-width:36ch}.thesis .thesis-note{max-width:44ch}
.thesis{padding-left:max(clamp(24px,6vw,96px),calc((100% - 1180px)/2))}
.proof{padding-top:clamp(110px,15vw,200px)}
.impact{max-width:1280px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:18px}
.imp{background:var(--ink);color:#fff;border-radius:var(--r);padding:clamp(28px,4vw,56px);min-height:300px;display:flex;flex-direction:column;justify-content:space-between}
.imp-n{font-size:clamp(72px,11vw,168px);letter-spacing:-.065em;font-weight:300;line-height:.9;display:flex;align-items:baseline}
.imp-n b{font-weight:300}.imp-n span{color:#3ddc97}
.imp p{font-size:clamp(18px,1.8vw,24px);opacity:.7;margin-top:30px}
.imp-note{grid-column:1/-1;color:var(--ink2);font-size:18px;padding:6px 4px 0;max-width:60ch}
@media(max-width:900px){.impact{grid-template-columns:1fr}.imp{min-height:220px}}
.imp-n{font-size:clamp(56px,8.4vw,128px);white-space:nowrap}