@font-face{font-family:'IBM Plex Sans';src:url('../assets/fonts/ibm-plex-sans-regular.ttf') format('truetype');font-style:normal;font-weight:400;font-display:swap}
@font-face{font-family:'IBM Plex Sans';src:url('../assets/fonts/ibm-plex-sans-medium.ttf') format('truetype');font-style:normal;font-weight:500;font-display:swap}
@font-face{font-family:'IBM Plex Sans';src:url('../assets/fonts/ibm-plex-sans-semibold.ttf') format('truetype');font-style:normal;font-weight:600;font-display:swap}
@font-face{font-family:'IBM Plex Sans';src:url('../assets/fonts/ibm-plex-sans-bold.ttf') format('truetype');font-style:normal;font-weight:700;font-display:swap}

:root{
  --p-paper:#F5F2EA;
  --p-paper-deep:#D7E0E5;
  --p-ink:#12324A;
  --p-brown:#20262B;
  --p-accent:#62A9D8;
  --p-lime:#62A9D8;
  --p-green:#1C8C82;
  --surface:var(--p-paper);
  --surface-alt:var(--p-paper-deep);
  --text:var(--p-ink);
  --text-body:var(--p-brown);
  --accent:var(--p-accent);
  --accent-text:var(--p-ink);
  --on-dark:var(--p-paper);
  --on-dark-accent:var(--p-accent);
  --line:color-mix(in srgb,var(--p-ink) 20%,transparent);
  --line-dark:color-mix(in srgb,var(--p-paper) 22%,transparent);
  --font-display:'IBM Plex Sans',Arial,sans-serif;
  --font-body:'IBM Plex Sans',Arial,sans-serif;
  --shell:1440px;
  --gutter:clamp(16px,3vw,48px);
  --section-space:clamp(80px,9vw,144px);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:88px}
body{min-width:320px;background:var(--surface);color:var(--text);font:400 17px/1.65 var(--font-body);-webkit-font-smoothing:antialiased}
body,button,a{-webkit-tap-highlight-color:transparent}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer}
button,a{touch-action:manipulation}
svg{display:block}
::selection{background:var(--p-accent);color:var(--p-ink)}
:focus-visible{outline:3px solid var(--p-accent);outline-offset:4px}
.skip-link{position:fixed;top:8px;left:8px;z-index:20;padding:10px 16px;background:var(--p-paper);color:var(--p-ink);font-family:var(--font-display);transform:translateY(-160%);transition:transform 180ms ease-out}
.skip-link:focus{transform:translateY(0)}
.shell{width:min(calc(100% - (var(--gutter) * 2)),var(--shell));margin-inline:auto}
.section{padding-block:var(--section-space)}
.section-label{margin-bottom:28px;font:600 11px/1.3 var(--font-display);letter-spacing:.14em;text-transform:uppercase}
.section-label::before{content:'';display:inline-block;width:24px;height:2px;margin:0 10px 3px 0;background:var(--p-accent)}
.section-label-light{color:var(--on-dark-accent)}
h1,h2,h3{font-family:var(--font-display);font-weight:600;text-wrap:balance}
h2{font-size:clamp(40px,4.8vw,72px);line-height:1.08;letter-spacing:-.04em}
h3{line-height:1.15}
p{max-width:70ch}
p+p{margin-top:20px}
.lead{font-size:clamp(20px,1.65vw,25px);line-height:1.5;letter-spacing:-.015em}
.button{position:relative;display:inline-flex;align-items:center;justify-content:space-between;gap:28px;min-height:56px;padding:14px 20px;overflow:hidden;border:1px solid currentColor;font:600 19px/1.1 var(--font-display);letter-spacing:-.01em;transition:color 180ms ease-out,background-color 180ms ease-out,transform 180ms ease-out}
.button::before{content:'';position:absolute;inset:0;background:var(--p-ink);transform:translateY(102%);transition:transform 200ms ease-out}
.button>*{position:relative;z-index:1}
.button svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.5}
.button:hover::before,.button:focus-visible::before{transform:translateY(0)}
.button:hover,.button:focus-visible{color:#FFFFFF}
.button:active{transform:scale(.98)}
.button-primary{background:var(--p-green);color:#FFFFFF;border-color:var(--p-green)}
.button-light{background:var(--p-paper);color:var(--p-ink);border-color:var(--p-paper)}
.button-light::before{background:var(--p-accent)}
.button-light:hover,.button-light:focus-visible{color:var(--p-ink)}
.text-link{display:inline-flex;align-items:center;gap:12px;min-height:44px;font:600 14px/1.2 var(--font-display);border-bottom:1px solid var(--p-accent);transition:color 160ms ease-out,gap 160ms ease-out}
.text-link:hover{color:var(--accent-text);gap:18px}

.site-header{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--p-ink) 97%,transparent);color:var(--p-paper);border-bottom:1px solid var(--line-dark);backdrop-filter:blur(12px)}
.header-inner{display:grid;grid-template-columns:minmax(250px,1fr) auto auto;align-items:stretch;max-width:1600px;min-height:80px;margin:auto;padding-inline:var(--gutter)}
.brand{display:flex;align-items:center;gap:16px;width:max-content;max-width:100%}
.brand-avatar{width:44px;height:44px;flex:none;border-radius:10px}
.brand-name{padding-left:16px;border-left:1px solid var(--line-dark);font:500 11px/1.35 var(--font-display);letter-spacing:.035em;text-transform:uppercase}
.main-nav{display:flex;align-items:stretch}
.main-nav a{position:relative;display:flex;align-items:center;padding-inline:18px;font:500 13px/1 var(--font-display)}
.main-nav a::after{content:'';position:absolute;right:18px;bottom:19px;left:18px;height:2px;background:var(--p-accent);transform:scaleX(0);transform-origin:left;transition:transform 180ms ease-out}
.main-nav a:hover::after,.main-nav a:focus-visible::after{transform:scaleX(1)}
.doc-link{display:flex;align-items:center;gap:8px;margin-left:16px;padding-inline:20px;border-inline:1px solid var(--line-dark);font:500 12px/1 var(--font-display);transition:background-color 180ms ease-out,color 180ms ease-out}
.doc-link strong{font-weight:600}
.doc-link svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.5}
.doc-link:hover{background:var(--p-accent);color:var(--p-ink)}

.hero{position:relative;display:block;min-height:calc(100dvh - 80px);overflow:hidden;border-inline:1px solid var(--line);isolation:isolate}
.hero::before{content:'';position:absolute;inset:0;z-index:-1;background-image:linear-gradient(color-mix(in srgb,var(--p-ink) 5%,transparent) 1px,transparent 1px),linear-gradient(90deg,color-mix(in srgb,var(--p-ink) 5%,transparent) 1px,transparent 1px);background-size:56px 56px;mask-image:linear-gradient(90deg,transparent 18%,#000 82%);pointer-events:none}
.hero-copy{position:relative;z-index:2;display:flex;flex-direction:column;justify-content:center;max-width:1040px;min-height:calc(100dvh - 80px);padding:clamp(64px,7vw,104px) clamp(24px,4vw,64px)}
.status-line{display:flex;align-items:center;gap:10px;margin-bottom:clamp(28px,3vw,40px);font:600 11px/1.4 var(--font-display);letter-spacing:.11em;text-transform:uppercase}
.status-dot{width:9px;height:9px;background:var(--p-green);flex:none}
.hero h1{max-width:22ch;font-size:clamp(50px,6vw,88px);font-weight:600;line-height:1.02;letter-spacing:-.055em}
.hero-lead{max-width:650px;margin-top:32px;color:var(--text-body);font-size:clamp(19px,1.45vw,23px);line-height:1.55}
.hero-lead strong{font-weight:600;color:var(--p-ink)}
.hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:20px 30px;margin-top:32px}
.hero-stage{max-width:650px;margin-top:30px;padding-top:18px;border-top:1px solid var(--line);color:var(--text-body);font-size:14px;line-height:1.55}
.hero-stage strong{color:var(--p-ink);font-weight:600}
.hero-signal{position:absolute;z-index:0;top:24px;right:-24px;bottom:24px;width:52%;pointer-events:none;mask-image:linear-gradient(90deg,transparent 0%,#000 42%)}
#argentina-signal{width:100%;height:100%;overflow:visible}
.signal-dot{fill:var(--p-ink);opacity:.24}
.signal-dot.is-signal{fill:var(--p-green);animation:signal-pulse 5s ease-in-out infinite;animation-delay:var(--signal-delay,0s)}
.signal-link{fill:none;stroke:var(--p-accent);stroke-width:1;stroke-dasharray:2 8;opacity:.34}
.signal-hub-core{fill:var(--p-green);opacity:.82}
.signal-hub-ring{fill:none;stroke:var(--p-accent);stroke-width:1;opacity:.42;transform-box:fill-box;transform-origin:center;animation:signal-ring 6s ease-in-out infinite;animation-delay:var(--signal-delay,0s)}
@keyframes signal-pulse{0%,100%{opacity:.2}50%{opacity:.88}}
@keyframes signal-ring{0%,100%{opacity:.18;transform:scale(.82)}50%{opacity:.58;transform:scale(1.32)}}
.status-band{border-block:1px solid var(--line);background:var(--surface-alt)}
.status-grid{display:grid;grid-template-columns:1.25fr 1fr 1fr}
.status-grid>div{padding:26px clamp(16px,3vw,40px);border-left:1px solid var(--line)}
.status-grid>div:last-child{border-right:1px solid var(--line)}
.status-grid span{display:block;margin-bottom:7px;font:500 11px/1.3 var(--font-display);letter-spacing:.1em;text-transform:uppercase}
.status-grid strong{font:600 18px/1.35 var(--font-display)}

.state-section{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(48px,8vw,128px)}
.state-section .section-heading h2{font-size:clamp(40px,4.4vw,66px)}
.state-content{padding-top:44px;color:var(--text-body)}
.state-content .lead{color:var(--text)}
.method-grid{grid-column:1 / -1;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin-top:clamp(48px,6vw,80px);border-block:1px solid var(--line)}
.method-grid article{padding:30px 32px 36px 0}
.method-grid article+article{padding-left:32px;border-left:1px solid var(--line)}
.method-grid h3{margin-bottom:16px;font-size:28px;letter-spacing:-.025em}
.method-grid p{color:var(--text-body);font-size:16px;line-height:1.6}
.definition-grid{display:grid;grid-template-columns:1fr 1fr;gap:0;margin-top:52px;border-block:1px solid var(--line)}
.definition-block{padding:28px 28px 30px 0}
.definition-block+.definition-block{padding-left:28px;border-left:1px solid var(--line)}
.definition-block h3{margin-bottom:22px;font-size:22px;font-weight:600;letter-spacing:-.02em}
.check-list,.plain-list{list-style:none}
.check-list li,.plain-list li{position:relative;padding:12px 0 12px 24px;border-top:1px solid var(--line);font-size:16px;line-height:1.55}
.check-list li span{position:absolute;left:0;color:var(--p-green);font-family:var(--font-display);font-weight:600}
.plain-list li::before{content:'→';position:absolute;left:0;font-family:var(--font-display)}

.purpose{padding-block:var(--section-space);background:var(--p-ink);color:var(--on-dark)}
.purpose-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(48px,8vw,128px);align-items:end}
.purpose h2{max-width:15ch}
.purpose-copy{padding-bottom:6px;font-size:18px;line-height:1.65}
.dimensions{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));margin-top:80px;border-block:1px solid var(--line-dark)}
.dimensions span{padding:22px 12px;text-align:center;border-left:1px solid var(--line-dark);color:var(--on-dark-accent);font:500 clamp(13px,1.25vw,18px)/1.3 var(--font-display)}
.dimensions span:first-child{border-left:0}
.principles-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:32px;margin-top:52px}
.principles-row>div{border-top:1px solid var(--line-dark);padding-top:18px}
.principles-row strong{display:block;margin-bottom:8px;font:600 20px/1.25 var(--font-display)}
.principles-row span{display:block;max-width:29ch;color:var(--on-dark);font-size:15px;line-height:1.55}

.roadmap-intro{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(48px,8vw,128px);align-items:end;margin-bottom:64px}
.roadmap-intro .lead{padding-bottom:8px;color:var(--text-body)}
.stage-tabs{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));border-block:1px solid var(--line);border-left:1px solid var(--line)}
.stage-tab{position:relative;display:flex;flex-direction:column;align-items:flex-start;min-height:184px;padding:22px 18px;border:0;border-right:1px solid var(--line);background:transparent;text-align:left;transition:background-color 180ms ease-out,color 180ms ease-out}
.stage-tab::after{content:'↗';position:absolute;right:16px;top:18px;font:600 17px/1 var(--font-display);opacity:.5}
.stage-tab:hover{background:var(--surface-alt)}
.stage-tab.is-active{background:var(--p-ink);color:var(--p-paper)}
.stage-tab.is-active::after{content:'●';color:var(--p-accent);opacity:1}
.stage-number{display:flex;align-items:center;gap:8px;min-height:20px;font:600 11px/1 var(--font-display);letter-spacing:.08em;text-transform:uppercase}
.stage-number em{padding:4px 5px;background:var(--p-accent);color:var(--p-ink);font-style:normal;font-size:9px;letter-spacing:.06em}
.stage-tab strong{max-width:15ch;margin-top:28px;font:600 21px/1.15 var(--font-display);letter-spacing:-.02em}
.stage-time{margin-top:auto;padding-top:18px;font:500 12px/1 var(--font-display)}
.stage-detail{display:grid;grid-template-columns:2fr 6fr 4fr;gap:40px;padding:40px 0;border-bottom:1px solid var(--line)}
.stage-detail.is-changing{animation:detail-in 180ms ease-out}
@keyframes detail-in{from{opacity:.55;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
.stage-detail-period{font:600 12px/1.5 var(--font-display);letter-spacing:.045em;text-transform:uppercase}
.stage-detail h3{margin-bottom:12px;font-size:clamp(27px,2.8vw,40px);font-weight:600;letter-spacing:-.03em}
.stage-detail p{color:var(--text-body);font-size:17px;line-height:1.6}
.stage-evidence{padding-left:28px;border-left:1px solid var(--line)}
.stage-evidence span{display:block;margin-bottom:12px;font:600 11px/1 var(--font-display);letter-spacing:.08em;text-transform:uppercase}
.roadmap-note{margin-top:24px;font:500 13px/1.55 var(--font-display);letter-spacing:.015em}

.pilot{padding-block:var(--section-space);background:var(--surface-alt);border-block:1px solid var(--line)}
.pilot-heading{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(48px,8vw,128px);align-items:end}
.pilot-heading .lead{padding-bottom:8px;color:var(--text-body)}
.pilot-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin-top:70px;border-block:1px solid var(--line)}
.pilot-stats>div{display:flex;align-items:flex-end;gap:18px;min-height:156px;padding:26px 24px;border-left:1px solid var(--line)}
.pilot-stats>div:first-child{border-left:0;padding-left:0}
.pilot-stats strong{font:600 clamp(54px,5.6vw,84px)/.85 var(--font-display);letter-spacing:-.055em}
.pilot-stats span{padding-bottom:2px;font:500 12px/1.4 var(--font-display);text-transform:uppercase}
.products{display:grid;grid-template-columns:1fr 1fr;margin-top:70px;border-block:1px solid var(--line)}
.product{padding:36px 44px 40px 0}
.product+.product{padding-right:0;padding-left:44px;border-left:1px solid var(--line)}
.product-index{margin-bottom:26px;font:600 11px/1 var(--font-display);letter-spacing:.1em;text-transform:uppercase}
.product h3{max-width:19ch;font-size:clamp(29px,3vw,44px);font-weight:600;letter-spacing:-.035em}
.product>p:not(.product-index){margin-top:26px;color:var(--text-body)}
.product .product-audience{padding-top:22px;border-top:1px solid var(--line);font-size:16px}
.product .product-output{padding-top:18px;font-size:16px}
.product-audience span,.product-output span{display:block;margin-bottom:5px;color:var(--p-ink);font:600 11px/1.3 var(--font-display);letter-spacing:.06em;text-transform:uppercase}

.scope-heading{display:grid;grid-template-columns:5fr 7fr;gap:clamp(48px,8vw,128px);align-items:start;margin-bottom:64px}
.scope-heading .section-label{margin-top:10px}
.scope-grid{display:grid;grid-template-columns:1fr 1fr;border-block:1px solid var(--line)}
.scope-column{padding:36px 44px 24px 0}
.scope-column+.scope-column{padding-right:0;padding-left:44px;border-left:1px solid var(--line)}
.scope-column h3{margin-bottom:28px;font-size:25px;font-weight:600;letter-spacing:-.02em}
.scope-column ul{list-style:none}
.scope-column li{position:relative;padding:18px 0 18px 30px;border-top:1px solid var(--line);color:var(--text-body)}
.scope-column li::before{content:'×';position:absolute;left:2px;color:var(--text);font:600 20px/1.4 var(--font-display)}
.scope-yes li::before{content:'✓';color:var(--p-green)}

.whitepaper-section{padding-block:var(--section-space);background:var(--surface-alt);border-top:1px solid var(--line)}
.whitepaper-grid{display:grid;grid-template-columns:minmax(280px,5fr) minmax(0,7fr);gap:clamp(48px,8vw,128px);align-items:center}
.whitepaper-brand{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:480px;padding:40px;background:var(--surface);border:1px solid var(--line)}
.whitepaper-brand img{display:block;width:min(100%,340px);height:auto}
.whitepaper-brand p{margin-top:20px;color:var(--text-body);font:600 11px/1.4 var(--font-display);letter-spacing:.12em;text-align:center;text-transform:uppercase}
.whitepaper-copy h2{max-width:12ch;font-size:clamp(40px,4.4vw,66px)}
.whitepaper-copy .lead{margin-top:30px;color:var(--text-body)}
.whitepaper-list{list-style:none;margin:30px 0 34px;border-block:1px solid var(--line)}
.whitepaper-list li{position:relative;padding:14px 0 14px 24px;border-top:1px solid var(--line);color:var(--text-body);font-size:16px}
.whitepaper-list li:first-child{border-top:0}
.whitepaper-list li::before{content:'—';position:absolute;left:0;color:var(--p-green);font-weight:600}
.download-note{margin-top:12px;color:var(--text-body);font:500 11px/1.5 var(--font-display);letter-spacing:.03em}
.join{padding-block:var(--section-space);background:var(--p-ink);color:var(--on-dark)}
.join-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(48px,8vw,128px)}
.join-copy{padding-top:20px}
.join-copy strong{color:var(--on-dark);font-weight:600}
.join-profiles{display:grid;grid-template-columns:1fr 1fr;margin:32px 0;border-block:1px solid var(--line-dark)}
.join-profiles span{padding:13px 12px 13px 0;border-top:1px solid var(--line-dark);color:var(--on-dark-accent);font:500 14px/1.4 var(--font-display)}
.join-profiles span:nth-child(-n+2){border-top:0}
.join-actions{display:flex;align-items:center;flex-wrap:wrap;gap:20px 28px;margin-top:36px}
.join-actions .text-link{color:var(--on-dark-accent)}
.join-actions .text-link:hover{color:var(--p-paper)}
.join-copy .download-note{margin-top:16px;color:var(--on-dark-accent)}
.join-direct{margin-top:24px;padding-top:20px;border-top:1px solid var(--line-dark);color:var(--on-dark-accent);font-size:14px}
.join-direct a{display:inline-flex;align-items:center;min-height:44px;color:var(--on-dark);font-weight:600;text-decoration:underline;text-decoration-color:var(--on-dark-accent);text-underline-offset:4px}
.join-direct a:hover{color:var(--p-paper);text-decoration-color:var(--p-paper)}
.contact{padding-block:var(--section-space);background:var(--surface);border-top:1px solid var(--line)}
.contact-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(48px,8vw,128px);align-items:start}
.contact h2{max-width:10ch;font-size:clamp(52px,6.5vw,92px);letter-spacing:-.05em}
.contact-copy{padding-top:48px;border-top:1px solid var(--text)}
.contact-copy .lead{color:var(--text-body)}
.contact-email{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px;margin-top:36px;padding:18px 0;border-block:1px solid var(--line);color:var(--p-ink);font:600 clamp(30px,3.4vw,48px)/1.1 var(--font-display);letter-spacing:-.035em;overflow-wrap:anywhere}
.contact-email svg{width:30px;height:30px;flex:none;fill:none;stroke:currentColor;stroke-width:1.6;transition:transform .2s ease}
.contact-email:hover{color:var(--p-green)}
.contact-email:hover svg{transform:translateX(5px)}
.contact-note{margin-top:16px;color:var(--text-body);font-size:12px;line-height:1.5}
.site-footer{padding-top:56px;background:var(--p-ink);color:var(--on-dark);border-top:1px solid var(--line-dark)}
.footer-top{display:flex;align-items:flex-start;justify-content:space-between;gap:24px}
.footer-signature{display:flex;align-items:center;gap:18px}
.footer-symbol{display:grid;place-items:center;width:64px;height:64px;flex:none;background:var(--p-paper)}
.footer-symbol img{width:52px;height:52px}
.footer-top p{font:500 15px/1.45 var(--font-display);text-transform:uppercase}
.footer-link{color:var(--on-dark-accent)}
.footer-link:hover{color:var(--p-paper)}
.footer-wordmark{overflow:hidden;margin-top:52px;font:700 clamp(150px,27vw,420px)/.72 var(--font-display);letter-spacing:-.075em;text-align:center;white-space:nowrap}
.footer-bottom{display:grid;grid-template-columns:2fr 1fr 1fr;gap:24px;margin-top:58px;padding-block:24px;border-top:1px solid var(--line-dark)}
.footer-bottom p{font:500 11px/1.5 var(--font-display);letter-spacing:.025em;text-transform:uppercase}
.footer-bottom p:nth-child(2),.footer-bottom p:nth-child(3){text-align:right}

@media (max-width:1100px){
  .brand-name{display:none}
  .header-inner{grid-template-columns:1fr auto auto}
  .hero h1{font-size:clamp(50px,6.4vw,72px)}
  .main-nav a{padding-inline:12px}
  .stage-tab{padding:18px 14px}
  .stage-tab strong{font-size:19px}
  .pilot-stats>div{flex-direction:column;align-items:flex-start;justify-content:flex-end;gap:14px}
}

@media (max-width:900px){
  html{scroll-padding-top:70px}
  body{font-size:16px}
  .header-inner{min-height:66px;grid-template-columns:1fr auto}
  .main-nav{display:none}
  .doc-link{margin-left:0;padding-inline:0 0 0 16px;border-right:0}
  .doc-link span{display:none}
  .hero{min-height:0}
  .hero-copy{min-height:0;padding:72px 24px 64px}
  .hero h1{font-size:clamp(48px,8.8vw,70px)}
  .hero-lead{max-width:600px}
  .hero-signal{top:40px;right:-80px;bottom:40px;width:70%;opacity:.55}
  .status-line{font-size:12px}
  .method-grid{grid-template-columns:1fr;margin-top:48px}
  .method-grid article{padding:26px 0}
  .method-grid article+article{padding-left:0;border-left:0;border-top:1px solid var(--line)}
  .status-grid{grid-template-columns:1fr}
  .status-grid>div{padding:20px 24px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
  .status-grid>div:last-child{border-bottom:0}
  .state-section,.purpose-grid,.roadmap-intro,.pilot-heading,.join-grid,.contact-grid{grid-template-columns:1fr;gap:36px}
  .contact-copy{padding-top:28px}
  .whitepaper-grid{grid-template-columns:1fr;gap:44px}
  .whitepaper-brand{min-height:0;padding:32px}
  .whitepaper-brand img{width:min(100%,280px)}
  .whitepaper-copy h2{max-width:15ch}
  .state-content,.join-copy{padding-top:0}
  .purpose h2{max-width:16ch}
  .dimensions{grid-template-columns:1fr;margin-top:52px}
  .dimensions span{display:flex;justify-content:space-between;padding:16px 0;border-left:0;border-top:1px solid var(--line-dark);text-align:left}
  .dimensions span:first-child{border-top:0}
  .principles-row{grid-template-columns:1fr 1fr}
  .roadmap-intro{margin-bottom:44px}
  .stage-tabs{grid-template-columns:1fr}
  .stage-tab{display:grid;grid-template-columns:1fr auto;align-items:center;min-height:0;padding:18px 46px 18px 18px;border-bottom:1px solid var(--line)}
  .stage-tab:last-child{border-bottom:0}
  .stage-tab::after{top:50%;transform:translateY(-50%)}
  .stage-number{grid-column:1;grid-row:1}
  .stage-tab strong{grid-column:1;grid-row:2;max-width:none;margin-top:9px;font-size:20px}
  .stage-time{grid-column:2;grid-row:1 / span 2;margin:0;padding:0}
  .stage-detail{grid-template-columns:1fr;gap:20px;padding:30px 0}
  .stage-detail h3{margin-bottom:8px}
  .stage-evidence{padding:20px 0 0;border-left:0;border-top:1px solid var(--line)}
  .pilot-stats{grid-template-columns:1fr 1fr;margin-top:48px}
  .pilot-stats>div{min-height:138px;padding:24px;border-bottom:1px solid var(--line)}
  .pilot-stats>div:nth-child(odd){border-left:0;padding-left:0}
  .pilot-stats>div:nth-child(n+3){border-bottom:0}
  .products{grid-template-columns:1fr;margin-top:48px}
  .product{padding:32px 0 36px}
  .product+.product{padding:36px 0;border-left:0;border-top:1px solid var(--line)}
  .scope-heading{grid-template-columns:1fr;gap:0;margin-bottom:42px}
  .scope-grid{grid-template-columns:1fr}
  .scope-column{padding:32px 0}
  .scope-column+.scope-column{padding:32px 0;border-left:0;border-top:1px solid var(--line)}
  .footer-bottom{grid-template-columns:1fr;gap:10px}
  .footer-bottom p:nth-child(2),.footer-bottom p:nth-child(3){text-align:left}
}

@media (max-width:480px){
  :root{--gutter:16px}
  h2{font-size:clamp(36px,10vw,50px)}
  .section-label{margin-bottom:22px}
  .brand-avatar{width:40px;height:40px;border-radius:9px}
  .hero-copy{padding:56px 18px 48px}
  .hero h1{font-size:clamp(38px,10.4vw,50px)}
  .hero-actions{align-items:flex-start;flex-direction:column;gap:18px}
  .hero-signal{top:auto;right:-60px;bottom:0;width:105%;height:72%;opacity:.4}
  .button{width:100%;font-size:19px}
  .hero-actions .text-link{margin-left:2px}
  .definition-grid{grid-template-columns:1fr}
  .definition-block{padding:26px 0}
  .definition-block+.definition-block{padding-left:0;border-left:0;border-top:1px solid var(--line)}
  .principles-row{grid-template-columns:1fr;gap:24px}
  .principles-row span{max-width:36ch}
  .pilot-stats strong{font-size:60px}
  .pilot-stats span{font-size:11px}
  .pilot-stats>div{padding-right:12px}
  .product h3{font-size:31px}
  .whitepaper-brand{padding:22px}
  .whitepaper-copy h2{font-size:clamp(36px,10vw,50px)}
  .whitepaper-copy .button{font-size:18px}
  .join-profiles{grid-template-columns:1fr}
  .join-profiles span:nth-child(2){border-top:1px solid var(--line-dark)}
  .join-actions{align-items:flex-start;flex-direction:column}
  .join-actions .text-link{margin-left:2px}
  .contact h2{font-size:clamp(44px,13vw,64px)}
  .contact-email{font-size:clamp(28px,8.5vw,36px)}
  .footer-top{flex-direction:column}
  .footer-wordmark{margin-top:46px;font-size:43vw}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
}