:root{--bg:#FFFFFF;--green:#079B53;--green-d:#056E3B;--tint:#EAF7F0;--ink:#0E2219;--muted:#4A5F55;--line:#D5E6DC;color-scheme:light;
box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
html{scroll-padding-top:env(safe-area-inset-top,0px);scroll-behavior:smooth}
*,*::before,*::after{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:500 1.0625rem/1.65 "Manrope",system-ui,-apple-system,"Segoe UI",sans-serif;overflow-x:hidden}
h1,h2,h3,.big,.logo{font-family:"Sora","Manrope",system-ui,sans-serif;margin:0;letter-spacing:-.03em}
a{color:inherit}
:focus-visible{outline:3px solid var(--green);outline-offset:3px}
.wrap{max-width:1120px;margin:0 auto;padding:0 clamp(1.25rem,4vw,2.5rem)}
header{display:flex;justify-content:space-between;align-items:center;padding:1.4rem 0}
.logo{font-weight:800;font-size:1.45rem;text-decoration:none;color:var(--ink)}
.logo span{color:var(--green)}
.badge{display:inline-flex;align-items:center;gap:.55rem;padding:.4rem .95rem;border:1.5px solid var(--green);border-radius:99px;font-size:.95rem;font-weight:700;color:var(--green-d)}
.badge i{width:.6rem;height:.6rem;border-radius:50%;background:var(--green);animation:pulse 1.6s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(7,155,83,.6)}100%{box-shadow:0 0 0 .7rem rgba(7,155,83,0)}}

.hero{display:grid;gap:3rem;padding:clamp(2rem,6vw,4.5rem) 0 clamp(3rem,7vw,5rem);align-items:center}
@media(min-width:920px){.hero{grid-template-columns:1.05fr 1fr}}
h1{font-weight:800;font-size:clamp(2.5rem,6.4vw,4.8rem);line-height:1.03}
.lede{max-width:34rem;margin:1.5rem 0 0;color:var(--muted);font-size:1.2rem}
.btn,button{display:inline-block;padding:.95rem 1.6rem;border:0;border-radius:12px;background:var(--green);color:#fff;font:700 1.05rem "Manrope",sans-serif;text-decoration:none;cursor:pointer}
.btn:hover,button:hover{background:var(--green-d)}
.hero .btn{margin-top:2rem}

.stage{background:#fff;border:2px solid var(--green);border-radius:22px;padding:1.25rem;box-shadow:12px 12px 0 var(--tint)}
.meta{display:flex;justify-content:space-between;gap:1rem;font-size:.9rem;color:var(--muted);flex-wrap:wrap}
.meta b{color:var(--ink);font:800 1.2rem "Sora",sans-serif;margin-left:.35rem}
.meta .zero b{color:var(--green)}
.rail{position:relative;display:flex;align-items:center;margin:2.2rem 0 1.6rem}
.node{width:27%;min-height:5.2rem;padding:.7rem .5rem;border:1.5px solid var(--line);border-radius:14px;text-align:center;font-size:.82rem;line-height:1.25;color:var(--muted);transition:.35s;display:flex;flex-direction:column;justify-content:center;gap:.2rem}
.node strong{font:700 .95rem "Sora",sans-serif;color:var(--ink)}
.node.on{border-color:var(--green);background:var(--tint);color:var(--ink)}
.node.ai.on{animation:think .9s ease-in-out infinite alternate}
.node.done{border-color:var(--green);background:var(--green);color:#fff}
.node.done strong{color:#fff}
@keyframes think{to{transform:scale(1.05)}}
.track{flex:1;height:0;border-top:2px dashed var(--green);opacity:.5}
.env{position:absolute;top:50%;left:15%;width:34px;height:24px;margin:-12px 0 0 -17px;background:var(--green);border-radius:4px;opacity:0;pointer-events:none;filter:drop-shadow(0 4px 6px rgba(7,155,83,.4))}
.env::before{content:"";position:absolute;inset:0;background:var(--green-d);clip-path:polygon(0 0,100% 0,50% 62%)}
.log{list-style:none;margin:0;padding:0;font-size:.88rem;min-height:7.6rem}
.log li{display:flex;gap:.7rem;padding:.5rem 0;border-top:1px solid var(--line);animation:in .4s}
.log time{color:var(--muted);font-variant-numeric:tabular-nums}
.log em{margin-left:auto;font-style:normal;font-weight:700;color:var(--green-d);white-space:nowrap}
@keyframes in{from{opacity:0;transform:translateY(-6px)}}

.strip{background:var(--tint);border-block:1px solid var(--line)}
.strip .wrap{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem 1rem;padding-block:2rem}
@media(min-width:800px){.strip .wrap{grid-template-columns:repeat(4,1fr)}}
.strip b{display:block;font:800 clamp(1.8rem,4vw,2.6rem)/1.1 "Sora",sans-serif;color:var(--green)}
.strip span{font-size:.95rem;color:var(--muted)}

section{padding:clamp(3rem,7vw,5.5rem) 0}
h2{font-weight:800;font-size:clamp(1.9rem,4.4vw,3rem);line-height:1.08;max-width:22ch}
.sub{color:var(--muted);max-width:40rem;margin:1rem 0 0}
.steps{display:grid;margin-top:2.5rem}
@media(min-width:800px){.steps{grid-template-columns:repeat(3,1fr)}}
.step{padding:1.5rem 1.5rem 1.5rem 0;border-top:2px solid var(--green)}
.step b{font:800 1rem "Sora",sans-serif;color:var(--green)}
.step h3{font-size:1.4rem;margin:.4rem 0 .5rem}
.step p{margin:0;color:var(--muted);max-width:30ch}

.zero{background:var(--green);color:#fff}
.zero .wrap{display:grid;gap:1.5rem;align-items:center}
@media(min-width:800px){.zero .wrap{grid-template-columns:auto 1fr;gap:4rem}}
.big{font-weight:800;font-size:clamp(6rem,20vw,13rem);line-height:.85;letter-spacing:-.06em}
.zero p{margin:0;font-size:1.3rem;max-width:30rem}

.vs{display:grid;gap:1.5rem;margin-top:2.5rem}
@media(min-width:800px){.vs{grid-template-columns:1fr 1fr}}
.vs div{padding:1.6rem;border-radius:18px}
.vs .old{border:1.5px solid var(--line)}
.vs .new{background:var(--tint);border:2px solid var(--green)}
.vs h3{font-size:1.3rem;margin-bottom:.8rem}
.vs ul{margin:0;padding:0;list-style:none}
.vs li{padding:.55rem 0 .55rem 1.7rem;position:relative;border-top:1px solid var(--line)}
.vs .old li::before{content:"✕";position:absolute;left:0;color:#9AA9A0}
.vs .new li::before{content:"✓";position:absolute;left:0;color:var(--green);font-weight:800}

.alt{background:var(--tint)}
.feat,.uses{margin-top:2.2rem}
.row{display:grid;gap:.4rem 3rem;padding:1.4rem 0;border-top:1px solid var(--line)}
.alt .row{border-color:#BFDDCC}
@media(min-width:800px){.row{grid-template-columns:1fr 1.4fr}}
.row h3{font-size:1.4rem}
.row p{margin:0;color:var(--muted)}
.chips{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:1.6rem}
.chips span{padding:.45rem 1rem;border:1.5px solid var(--green);border-radius:99px;font-weight:600;font-size:.95rem;color:var(--green-d);background:#fff}

.road{display:grid;gap:1.5rem;margin-top:2.5rem}
@media(min-width:800px){.road{grid-template-columns:repeat(3,1fr)}}
.road div{padding-left:1.4rem;border-left:4px solid var(--green)}
.road h3{font-size:1.3rem}
.road p{margin:.3rem 0 0;color:var(--muted)}

details{border-top:1px solid var(--line);padding:1.1rem 0}
details:last-of-type{border-bottom:1px solid var(--line)}
summary{cursor:pointer;font:700 1.15rem "Sora",sans-serif;list-style:none;display:flex;justify-content:space-between;gap:1rem}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--green);font-size:1.5rem;line-height:1}
details[open] summary::after{content:"–"}
details p{margin:.7rem 0 0;color:var(--muted);max-width:46rem}
.faq{margin-top:2rem}

.notify{background:var(--green);color:#fff}
.notify .sub{color:#E3F6EC}
.count{display:flex;gap:clamp(.8rem,3vw,2rem);margin:2rem 0}
.count b{display:block;font:800 clamp(2.4rem,8vw,4.6rem)/1 "Sora",sans-serif;font-variant-numeric:tabular-nums}
.count span{font-size:.9rem;color:#E3F6EC}
form{display:flex;gap:.7rem;flex-wrap:wrap;max-width:34rem}
input{flex:1 1 15rem;padding:.95rem 1.1rem;border-radius:12px;border:2px solid #fff;background:#fff;color:var(--ink);font:inherit}
.notify button{background:var(--ink)}
.notify button:hover{background:#000}
.notify :focus-visible{outline-color:#fff}
#fmsg{min-height:1.6rem;margin:.9rem 0 0;font-weight:700}
footer{padding:2.5rem 0}
footer .wrap{display:grid;gap:1.5rem}
@media(min-width:800px){footer .wrap{grid-template-columns:1.4fr 1fr 1fr}}
footer p{margin:.4rem 0 0;color:var(--muted);font-size:.95rem}
footer h3{font-size:1rem;margin-bottom:.3rem}
.copy{grid-column:1/-1;border-top:1px solid var(--line);padding-top:1.2rem;color:var(--muted);font-size:.9rem}
/* smaller text */
body{font-size:.95rem;line-height:1.6}
h1{font-size:clamp(2rem,4.8vw,3.4rem)}
h2{font-size:clamp(1.5rem,3.1vw,2.1rem)}
.lede{font-size:1.02rem}.sub{font-size:.95rem}
.step h3,.row h3,.road h3,.vs h3{font-size:1.1rem}
.step p,.row p,.road p,.vs li,footer p,details p{font-size:.92rem}
.strip b{font-size:clamp(1.4rem,3vw,1.9rem)}.strip span{font-size:.88rem}
.big{font-size:clamp(4.5rem,14vw,9rem)}.zero p{font-size:1.1rem}
summary{font-size:1rem}.count b{font-size:clamp(2rem,6vw,3.3rem)}
.btn,button{font-size:.95rem;padding:.8rem 1.4rem}.badge{font-size:.85rem}.logo{font-size:1.3rem}
.chips span{font-size:.88rem}.log{font-size:.82rem}.node{font-size:.76rem}.node strong{font-size:.88rem}
/* icons */
.ic{width:1.3rem;height:1.3rem;stroke:var(--green);fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;flex:none;transition:stroke .3s}
.ico{display:inline-grid;place-items:center;width:2.4rem;height:2.4rem;border-radius:12px;background:var(--tint);margin-right:.65rem;transition:background .3s,transform .3s}
.step h3,.row h3,.road h3,.vs h3{display:flex;align-items:center}
.alt .ico,.vs .new .ico{background:#fff}
.strip .ico{display:grid;margin:0 0 .6rem;background:#fff}
.chips .ico{width:1.5rem;height:1.5rem;border-radius:8px;margin-right:.45rem;vertical-align:middle}
.chips .ic{width:.95rem;height:.95rem}
.step:hover .ico,.row:hover .ico,.road>div:hover .ico{background:var(--green);transform:rotate(-8deg) scale(1.1)}
.step:hover .ic,.row:hover .ic,.road>div:hover .ic{stroke:#fff}
.pre .ico{transform:scale(0)}
.in .ico{animation:pop .55s cubic-bezier(.3,1.6,.5,1) calc(var(--i,0)*.08s + .15s) backwards}
@keyframes pop{from{transform:scale(0) rotate(-40deg)}}
/* animations */
.hero{position:relative}
.hero>div:not(.floaters){position:relative;z-index:1}
.floaters{position:absolute;inset:0;overflow:hidden;pointer-events:none;z-index:0}
.fl{position:absolute;bottom:-30px;width:22px;height:15px;border:2px solid var(--green);border-radius:3px;opacity:0;animation:rise var(--d) linear var(--dl) infinite}
.fl::before{content:"";position:absolute;inset:0;background:linear-gradient(to bottom right,transparent 47%,var(--green) 48% 53%,transparent 54%) left/50% 70% no-repeat,linear-gradient(to bottom left,transparent 47%,var(--green) 48% 53%,transparent 54%) right/50% 70% no-repeat}
@keyframes rise{0%{transform:translate(0,0) rotate(0) scale(var(--s));opacity:0}10%{opacity:.35}50%{transform:translate(24px,-300px) rotate(12deg) scale(var(--s))}90%{opacity:.35}100%{transform:translate(-10px,-640px) rotate(-10deg) scale(var(--s));opacity:0}}
.typed{margin:1.1rem 0 0;font-size:1rem;font-weight:700;min-height:1.6em}.typed span{color:var(--green);margin-right:.4rem}.typed+.lede{margin-top:.6rem}
.caret{display:inline-block;width:2px;height:1.1em;background:var(--green);margin-left:2px;vertical-align:-.15em;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.track{border-top:0;height:3px;background:repeating-linear-gradient(90deg,var(--green) 0 8px,transparent 8px 16px);background-size:16px 3px;animation:march .8s linear infinite}
@keyframes march{to{background-position:16px 0}}
.env::after{content:"";position:absolute;right:100%;top:50%;width:46px;height:3px;margin-top:-1px;border-radius:3px;background:linear-gradient(to left,var(--green),transparent)}
.node{position:relative}
.node.done::after{content:"";position:absolute;inset:-2px;border-radius:14px;border:2px solid var(--green);animation:ring 1s ease-out forwards}
@keyframes ring{to{transform:scale(1.35);opacity:0}}
.btn,button{position:relative;overflow:hidden}
.btn::after,button::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(100deg,transparent 30%,rgba(255,255,255,.35) 50%,transparent 70%);transform:translateX(-120%);animation:shine 3.2s infinite}
@keyframes shine{40%,100%{transform:translateX(120%)}}
#s.flip{animation:flip .5s}
@keyframes flip{from{transform:translateY(-35%);opacity:0}}
.big.hit{animation:hit .6s}
@keyframes hit{50%{transform:scale(1.08)}}
.step{border-top:2px solid var(--line);position:relative}
.step::before{content:"";position:absolute;top:-2px;left:0;right:0;height:2px;background:var(--green)}
.js .step::before{transform:scaleX(0);transform-origin:left;transition:transform .9s ease calc(var(--i,0)*.2s)}
.js .step.in::before{transform:scaleX(1)}
.road div{border-left-color:var(--line);position:relative}
.road div::before{content:"";position:absolute;left:-4px;top:0;bottom:0;width:4px;background:var(--green)}
.js .road div::before{transform:scaleY(0);transform-origin:top;transition:transform .9s ease calc(var(--i,0)*.25s)}
.js .road div.in::before{transform:scaleY(1)}
.vs .old li{background:linear-gradient(#9AA9A0,#9AA9A0) no-repeat 1.7rem 50%/0 2px;transition:background-size .7s ease calc(var(--i,0)*.25s + .3s),color .7s calc(var(--i,0)*.25s + .3s)}
.vs .old.in li{background-size:calc(100% - 1.7rem) 2px;color:#7E8F85}
.vs .new li{transition:transform .5s cubic-bezier(.3,1.4,.5,1) calc(var(--i,0)*.12s + .2s),opacity .5s calc(var(--i,0)*.12s + .2s)}
.vs .new.pre li{opacity:0;transform:translateX(-14px)}
.chips span{transition:opacity .5s calc(var(--i,0)*.07s),transform .5s cubic-bezier(.3,1.5,.5,1) calc(var(--i,0)*.07s)}
.chips span.pre{opacity:0;transform:translateY(8px) scale(.9)}
.strip .wrap>div.pre{opacity:0}.strip .wrap>div{transition:opacity .6s calc(var(--i,0)*.12s)}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
/* mobile + a11y */
html{-webkit-text-size-adjust:100%}
.skip{position:absolute;left:-9999px;top:0;background:var(--green);color:#fff;padding:.6rem 1rem;z-index:99;border-radius:0 0 8px 0}.skip:focus{left:0}
.nav{display:none;gap:1.5rem;font-weight:700;font-size:.9rem}.nav a{text-decoration:none;color:var(--muted)}.nav a:hover{color:var(--green)}
@media(min-width:760px){.nav{display:flex}}
input{font-size:16px}.log li span{min-width:0}
@media(max-width:600px){
.hero{gap:2rem;padding-top:1rem}.stage{padding:.9rem;box-shadow:6px 6px 0 var(--tint)}
.node{width:29%;padding:.5rem .3rem;min-height:4.6rem}.meta{font-size:.8rem}
.hero .btn,.notify button{width:100%;text-align:center;min-height:48px}
form{flex-direction:column}.notify input{flex:none;width:100%}
.count{gap:.9rem}.step{padding-right:0}.row{padding:1.1rem 0}.zero .wrap{text-align:center}
.vs div{padding:1.2rem}summary{min-height:44px;align-items:center}
header{padding:1rem 0}.badge{padding:.3rem .7rem}.logo{font-size:1.2rem}.log li{font-size:.78rem}}
@media(max-width:360px){h1{font-size:1.8rem}.node{font-size:.7rem}.node strong{font-size:.8rem}}