:root{--bg:#FBF8F2;--paper:#F2EDE1;--ink:#14201A;--ink2:#46524B;--ink3:#5F6A63;--green:#08C873;--gt:#037A45;--gink:#062A17;--deep:#0A2E1E;--sun:#FFC940;--mint:#DDF6E6;--line:rgba(20,32,26,.1);--e:cubic-bezier(.2,.7,.2,1);--sans:'Plus Jakarta Sans',system-ui,-apple-system,'Segoe UI',sans-serif;--serif:'Instrument Serif','Iowan Old Style',Georgia,serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%}
a{color:var(--gt);text-decoration:none}a:hover{color:var(--ink)}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none;padding:0}
h1,h2,h3,p,ul,ol,figure{margin:0}ul,ol{padding:0;list-style:none}
.wrap{margin-inline:max(24px,calc((100% - 1240px)/2))}
.kick{font-size:13px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--gt)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:58px;padding:0 28px;border-radius:999px;font-weight:700;font-size:16.5px;line-height:1;white-space:nowrap;transition:transform .25s var(--e),box-shadow .25s,background .25s}
.btn:hover{transform:translateY(-2px)}
.btn.pri{background:var(--green);color:var(--gink);box-shadow:0 12px 26px -10px rgba(8,200,115,.75)}.btn.pri:hover{background:#19D684;color:var(--gink)}
.btn.sm{height:44px;padding:0 20px;font-size:14.5px}

.nav{position:fixed;inset:14px 0 auto;z-index:50;pointer-events:none}
.nav-in{position:relative;pointer-events:auto;width:min(1240px,100% - 28px);margin-inline:auto;height:64px;padding:0 10px 0 24px;display:flex;align-items:center;gap:24px;border-radius:999px;background:rgba(251,248,242,.8);-webkit-backdrop-filter:blur(18px) saturate(1.4);backdrop-filter:blur(18px) saturate(1.4);border:1px solid rgba(20,32,26,.08);box-shadow:0 10px 34px -14px rgba(20,32,26,.22)}
.brand img{height:34px;width:auto}
.links{display:flex;gap:4px;margin-left:auto}
.links a{padding:10px 14px;border-radius:999px;font-size:15px;font-weight:600;color:var(--ink)}.links a:hover,.links a[aria-current]{background:rgba(20,32,26,.06)}
.nav-cta{display:flex;align-items:center;gap:8px}
.burger{display:none;width:44px;height:44px;border-radius:50%;background:rgba(20,32,26,.06);flex-direction:column;justify-content:center;align-items:center;gap:5px}
.burger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s}
.nav.open .burger span:first-child{transform:translateY(3.5px) rotate(45deg)}.nav.open .burger span:last-child{transform:translateY(-3.5px) rotate(-45deg)}

.post-h{padding:clamp(108px,11vw,140px) 0 clamp(36px,5vw,64px)}
.crumbs{display:flex;flex-wrap:wrap;font-size:14px;font-weight:600;color:var(--ink3);margin-bottom:clamp(24px,3vw,40px)}
.crumbs li+li::before{content:"/";margin:0 10px;color:var(--ink3)}
.crumbs a{color:var(--ink2)}.crumbs a:hover{color:var(--gt)}
.post-hg{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(28px,5vw,72px);align-items:center}
.post-h h1{margin-top:16px;font-size:clamp(34px,4.4vw,58px);line-height:1.04;letter-spacing:-.035em;font-weight:800;text-wrap:balance}
.by{display:flex;flex-wrap:wrap;margin-top:24px;font-size:15px;color:var(--ink2)}
.by b{color:var(--ink);font-weight:700}
.by>*+*::before{content:"·";margin:0 10px;color:var(--ink3)}
.post-fig{aspect-ratio:4/3;border-radius:32px;overflow:hidden;background:var(--mint)}
.post-fig img{width:100%;height:100%;object-fit:cover}

.post-b{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,720px) minmax(0,1fr);column-gap:clamp(24px,4vw,56px);padding:clamp(36px,5vw,64px) 0 clamp(56px,7vw,96px);border-top:1px solid var(--line)}
.toc{position:sticky;top:104px;align-self:start;max-width:250px}
.toc h2{font-size:12.5px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--gt);margin-bottom:14px}
.toc ol{display:grid;gap:2px;border-left:2px solid var(--line)}
.toc a{display:block;margin-left:-2px;padding:7px 0 7px 16px;border-left:2px solid transparent;font-size:14.5px;line-height:1.35;font-weight:600;color:var(--ink2);transition:color .2s,border-color .2s}
.toc a:hover,.toc a.on{color:var(--ink);border-left-color:var(--green)}
.prose{grid-column:2}
.prose>p{font-size:18.5px;line-height:1.7;color:var(--ink2);text-wrap:pretty}
.prose>p+p{margin-top:20px}
.prose>p.lede{font-size:clamp(20px,1.8vw,23px);line-height:1.5;font-weight:500;color:var(--ink)}
.prose>h2{margin:clamp(40px,4.5vw,56px) 0 14px;font-size:clamp(25px,2.4vw,32px);line-height:1.14;letter-spacing:-.028em;font-weight:800;text-wrap:balance;scroll-margin-top:104px}
.prose strong{color:var(--ink);font-weight:700}
.prose>p a{text-decoration:underline;text-underline-offset:3px}
.prose>p.formula{margin:28px 0;padding:22px 26px;border-radius:24px;background:var(--mint);font-size:19px;line-height:1.4;text-align:center;color:var(--gink)}
.prose>p.source{font-size:15px;color:var(--ink3)}

.cta{display:grid;gap:14px;justify-items:start;margin-top:clamp(44px,5vw,64px);padding:clamp(28px,4vw,44px);border-radius:32px;background:var(--deep);color:#fff}
.cta h2{font-size:clamp(26px,2.6vw,34px);line-height:1.1;letter-spacing:-.03em;font-weight:800;text-wrap:balance}
.cta h2 em{font-family:var(--serif);font-style:italic;font-weight:400;letter-spacing:-.015em;font-size:1.08em;color:var(--sun)}
.cta p{max-width:520px;font-size:18px;line-height:1.55;color:#fff;text-wrap:pretty}
.cta .btn{margin-top:8px;max-width:100%;height:auto;min-height:58px;padding-block:14px;white-space:normal;text-align:center;line-height:1.2}
.sol{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px 24px;align-items:center;margin-top:16px;padding:22px 26px;border-radius:24px;background:#fff;border:1px solid var(--line);color:var(--ink);transition:border-color .2s}
.sol:hover{border-color:var(--green);color:var(--ink)}
.sol p{margin-top:6px;font-size:16px;line-height:1.5;color:var(--ink2);text-wrap:pretty}
.sol svg{color:var(--gt);transition:transform .25s var(--e)}.sol:hover svg{transform:translateX(4px)}

.more{padding:clamp(48px,6vw,80px) 0;border-top:1px solid var(--line)}
.more>h2{margin-bottom:clamp(24px,3vw,40px);font-size:clamp(28px,3vw,40px);line-height:1.05;letter-spacing:-.03em;font-weight:800}
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(20px,2.6vw,36px)}
.card{display:grid;gap:12px;align-content:start;color:var(--ink)}
.card:hover{color:var(--ink)}
.card-i{aspect-ratio:16/10;border-radius:24px;overflow:hidden;background:var(--mint);margin-bottom:4px}
.card-i img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--e)}.card:hover .card-i img{transform:scale(1.04)}
.card h3{font-size:20px;line-height:1.2;letter-spacing:-.02em;font-weight:800;text-wrap:balance;transition:color .2s}.card:hover h3{color:var(--gt)}
.card small{font-size:14px;color:var(--ink3)}

footer{padding:28px 0 44px;font-size:14.5px;color:var(--ink2)}
.foot{display:flex;flex-wrap:wrap;gap:20px 40px;align-items:center;padding-top:28px;border-top:1px solid var(--line)}
.foot img{height:38px;width:auto}
.foot nav{display:flex;flex-wrap:wrap;gap:6px 22px;margin-left:auto}
.foot a{color:var(--ink);font-weight:600}.foot a:hover{color:var(--gt)}
.foot small{flex-basis:100%;font-size:13.5px;color:var(--ink3)}

.idx-h{padding:clamp(108px,11vw,140px) 0 clamp(36px,5vw,64px)}
.idx-h h1{margin-top:16px;max-width:920px;font-size:clamp(36px,5vw,66px);line-height:1.02;letter-spacing:-.035em;font-weight:800;text-wrap:balance}
.idx-h h1 em{font-family:var(--serif);font-style:italic;font-weight:400;letter-spacing:-.015em;font-size:1.08em;color:var(--gt)}
.idx-h>p{margin-top:20px;max-width:620px;font-size:clamp(18px,1.6vw,20.5px);line-height:1.5;color:var(--ink2);text-wrap:pretty}
.idx{padding:clamp(36px,5vw,64px) 0 clamp(56px,7vw,96px);border-top:1px solid var(--line)}
.lead{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(20px,2.6vw,36px)}
.lead .card h2{font-size:clamp(24px,2.5vw,32px);line-height:1.14;letter-spacing:-.028em;font-weight:800;text-wrap:balance;transition:color .2s}.lead .card:hover h2{color:var(--gt)}
.lead .card p{font-size:16.5px;line-height:1.5;color:var(--ink2);text-wrap:pretty}
.idx>h2{margin:clamp(48px,6vw,80px) 0 clamp(24px,3vw,40px);padding-top:clamp(36px,5vw,64px);border-top:1px solid var(--line);font-size:clamp(28px,3vw,40px);line-height:1.05;letter-spacing:-.03em;font-weight:800}
.idx .cards{row-gap:clamp(36px,4.4vw,56px)}

@media (max-width:1100px){
.post-b{grid-template-columns:minmax(0,720px);justify-content:center}
.toc{position:static;grid-column:1;max-width:none;margin-bottom:32px;padding:20px 22px;border-radius:24px;background:#fff;border:1px solid var(--line)}
.prose{grid-column:1}
}
@media (max-width:900px){
.links{display:none;position:absolute;top:74px;left:0;right:0;flex-direction:column;gap:2px;margin:0;padding:10px;border-radius:26px;background:#fff;box-shadow:0 24px 50px -20px rgba(20,32,26,.4)}
.links a{padding:14px 16px;font-size:17px}.nav.open .links{display:flex}
.nav-cta{margin-left:auto}.burger{display:flex}
.post-hg{grid-template-columns:minmax(0,1fr)}
.post-fig{aspect-ratio:16/10}
.foot nav{margin-left:0}
}
@media (max-width:760px){
.cards,.lead{grid-template-columns:minmax(0,1fr);max-width:540px}
.nav-in{height:58px;padding:0 7px 0 18px;gap:10px}.brand img{height:28px}
.sol{grid-template-columns:minmax(0,1fr)}.sol svg{display:none}
}