@charset "UTF-8";
@font-face{font-family:KK Display;src:url('assets/nimbus-sans-narrow-bold.otf') format('opentype');font-weight:700;font-style:normal;font-display:swap}
:root{--ink:#111215;--panel:#1b1c21;--paper:#f4f3ee;--iris:#574dfa;--iris-light:#a9a4ff;--muted:#b1b0b9;--line:#3b3b45;--gutter:clamp(1.3rem,5vw,5rem);--max:1440px;font-family:Arial,Helvetica,sans-serif;color:var(--paper);background:var(--ink);font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:2rem}body{margin:0;-webkit-font-smoothing:antialiased;overflow-wrap:break-word}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input,summary{touch-action:manipulation}button,summary{cursor:pointer}img{display:block;max-width:100%}h1,h2,h3,p{margin:0}h1,h2,h3{font-weight:700}h1,h2{font-family:KK Display,'Arial Narrow',Arial,sans-serif;text-transform:uppercase;letter-spacing:-.015em}p{line-height:1.6}[hidden]{display:none!important}::selection{background:var(--iris-light);color:var(--ink)}:focus-visible{outline:3px solid var(--iris-light);outline-offset:6px}.skip-link{position:fixed;top:-6rem;left:1rem;background:white;color:var(--ink);padding:1rem;z-index:10}.skip-link:focus{top:1rem}
.site-header{max-width:var(--max);margin:auto;display:flex;align-items:center;justify-content:space-between;gap:2rem;padding:1.5rem var(--gutter);min-height:94px;border-bottom:1px solid var(--line)}.wordmark{font-size:clamp(1.45rem,2.3vw,2rem);font-weight:800;letter-spacing:-.065em;white-space:nowrap;line-height:1.2}.wordmark sup{font-size:.36em;letter-spacing:0;vertical-align:top;margin-left:.25em;position:relative;top:.2em}.site-header nav{display:flex;align-items:center;gap:2rem}.nav-link{font-size:.875rem;line-height:1.5;padding:.65rem 0}.nav-link:hover,.text-link:hover{text-decoration:underline;text-underline-offset:6px}.button{display:inline-flex;align-items:center;justify-content:center;background:var(--iris-light);color:var(--ink);border:1px solid transparent;border-radius:0;min-height:56px;padding:1rem 1.65rem;font-weight:700;font-size:1rem;line-height:1.3;text-align:center;transition:background .2s,transform .2s}.button:hover{background:#c6c2ff;transform:translateY(-2px)}.button-small{font-size:.875rem;min-height:44px;padding:.75rem 1.15rem}.button-dark{background:var(--ink);color:var(--paper)}.button-dark:hover{background:#373641}.button:disabled{opacity:.7;cursor:wait}.text-link{font-size:.9375rem;line-height:1.5;border-bottom:1px solid #777482;padding:.5rem 0}
.hero{max-width:var(--max);margin:auto;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.9fr);gap:0 clamp(2rem,5vw,5rem);padding:3.75rem var(--gutter) 2rem}.eyebrow{font-size:.875rem;font-weight:600;letter-spacing:.09em;line-height:1.5;text-transform:uppercase;display:flex;align-items:baseline;gap:1rem}.index{color:var(--iris-light);font-variant-numeric:tabular-nums;flex:none}.hero .eyebrow{margin-bottom:1.7rem}.hero h1{font-size:clamp(3.9rem,6.5vw,6rem);line-height:1;max-width:100%;margin:0 0 1.5rem}.hero h1>span{display:block}.iris-text{color:var(--iris-light)}.muted-text{color:#707078}.hero-punch{font-size:clamp(1.15rem,1.75vw,1.55rem);font-weight:600;line-height:1.4;margin-bottom:.8rem}.hero-description{font-size:1.0625rem;line-height:1.65;max-width:27rem;color:var(--muted)}.hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:1rem 1.7rem;margin-top:1.7rem}.eight-poster{position:relative;display:flex;flex-direction:column;justify-content:space-between;background:var(--iris);color:var(--paper);min-width:0;isolation:isolate;padding:1.5rem;overflow:hidden}.eight-poster:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent calc(50% - .5px),#ffffff1a 50%,transparent calc(50% + .5px)),linear-gradient(transparent calc(50% - .5px),#ffffff1a 50%,transparent calc(50% + .5px));pointer-events:none;z-index:-1}.poster-top,.poster-bottom{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem;font-size:.75rem;font-weight:600;letter-spacing:.08em;line-height:1.5}.poster-top{align-items:baseline;flex-wrap:wrap;column-gap:1rem;row-gap:.5rem}.poster-top>span{flex:none;white-space:nowrap}.poster-top>.poster-brand{display:block;margin-left:auto;max-width:none;text-align:right;white-space:nowrap;overflow-wrap:normal;word-break:normal}.giant-eight{display:flex;align-items:center;justify-content:center;flex:1;font-family:KK Display,'Arial Narrow',Arial,sans-serif;font-weight:700;font-size:clamp(18rem,34vw,32rem);line-height:1;color:var(--paper);transform:rotate(-8deg);transform-origin:center;animation:enter-eight .9s cubic-bezier(.18,.65,.3,1) both}.poster-middle{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-top:-.5rem;margin-bottom:1.25rem;font-family:KK Display,'Arial Narrow',Arial,sans-serif;font-weight:700;font-size:clamp(1.75rem,2.7vw,2.5rem);line-height:1.03}.poster-cross{font-family:Arial,sans-serif;font-size:4rem;line-height:.9;font-weight:400}.poster-bottom{padding-top:1rem;border-top:1px solid #ffffff66;font-size:.75rem}.hero-baseline{grid-column:1/-1;display:flex;justify-content:space-between;align-items:end;gap:2rem;margin-top:2rem;color:var(--muted);font-size:.8125rem}.hero-baseline p{line-height:1.55}.hero-baseline strong{font-weight:500;color:var(--paper)}.hero-baseline>span{text-align:right;line-height:1.5}
.proof-strip{max-width:var(--max);margin:auto;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));padding:2rem var(--gutter);border-top:1px solid var(--line);border-bottom:1px solid var(--line);gap:2rem}.proof-strip>div{display:flex;align-items:center;gap:1.1rem}.proof-strip strong{font-family:KK Display,'Arial Narrow',Arial,sans-serif;font-size:clamp(2.8rem,4.2vw,4rem);line-height:1;color:var(--iris-light)}.proof-strip span{font-size:.875rem;line-height:1.5;color:var(--muted)}.section-wrap{max-width:var(--max);margin:auto;padding:6rem var(--gutter)}.section-heading{display:grid;grid-template-columns:1fr 2fr;gap:2rem}.section-heading .eyebrow{margin-top:.5rem}h2{font-size:clamp(3rem,4.8vw,4.6rem);line-height:1.04}h3{font-size:clamp(1.4rem,2vw,1.9rem);line-height:1.2;letter-spacing:-.035em}.difference{background:var(--paper);color:var(--ink)}.difference .index{color:var(--iris)}.difference-intro{display:grid;grid-template-columns:1fr 1fr;gap:3rem;margin:3rem 0 3.5rem 34.5%;font-size:1.0625rem;color:#53535b}.difference-intro strong{color:var(--ink)}.payoffs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:2.25rem}.payoffs article{border-top:2px solid var(--ink);padding-top:1.5rem}.payoff-number{display:block;color:var(--iris);font-size:.875rem;margin-bottom:1.65rem;font-weight:700}.payoffs h3{margin-bottom:1.2rem}.payoffs p{font-size:1rem;color:#53535b;line-height:1.7}.movement-line{display:grid;grid-template-columns:1fr 2fr;gap:2rem;border-top:1px solid #d0ced3;margin-top:3rem;padding-top:1.75rem}.movement-line .eyebrow{color:#53535b}.movement-line>p{font-size:1rem;line-height:1.7}
.value-statement{background:var(--iris);color:white}.value-inner{max-width:var(--max);margin:auto;padding:4.5rem var(--gutter)}.value-inner>.eyebrow{margin-bottom:2rem}.value-statement h2{font-size:clamp(4rem,8vw,7.5rem);line-height:1}.value-bottom{border-top:1px solid #ffffff66;display:grid;grid-template-columns:1fr 1fr;gap:5rem;margin-top:2.5rem;padding-top:2rem;align-items:center}.value-bottom>p:first-child{font-size:1.125rem;line-height:1.65;max-width:33rem}.value-line{font-family:KK Display,'Arial Narrow',Arial,sans-serif;text-transform:uppercase;font-weight:700;font-size:clamp(1.9rem,3.2vw,3rem);line-height:1.08;justify-self:end}
.engineering{max-width:var(--max);margin:auto;display:grid;grid-template-columns:1fr 1fr;min-height:700px}.engineering-image{position:relative;min-width:0;min-height:650px;background:#0d0e11;overflow:hidden}.engineering-image img{position:absolute;width:100%;height:100%;object-fit:cover;object-position:center}.image-note{position:absolute;left:var(--gutter);top:3rem;right:2rem;font-size:clamp(1.35rem,2vw,1.8rem);line-height:1.3;letter-spacing:-.035em}.image-index{position:absolute;left:var(--gutter);bottom:2rem;font-size:.75rem;letter-spacing:.08em}.engineering-copy{padding:4rem var(--gutter) 3rem 4rem;align-self:center}.engineering-copy>.eyebrow{margin-bottom:2rem}.engineering-copy h2{font-size:clamp(3.2rem,5.6vw,5.35rem);margin-bottom:2rem}.engineering-copy>p:not(.eyebrow){font-size:1rem;line-height:1.65;color:var(--muted)}.engineering-copy>p.engineering-lead{color:var(--paper);font-size:1.125rem;margin-bottom:1rem}.iteration{margin-top:2rem;padding-top:1.6rem;border-top:1px solid var(--line);display:flex;gap:1.5rem;align-items:center}.iteration-number{font-family:KK Display,'Arial Narrow',Arial,sans-serif;font-size:4.5rem;line-height:1;color:var(--iris-light)}.iteration-number>span{font-size:3rem;vertical-align:top}.iteration strong{font-size:.875rem;line-height:1.5;display:block}.iteration p{font-size:.9375rem;color:var(--muted);margin-top:.2rem}
.validation{border-top:1px solid var(--line);display:grid;grid-template-columns:1.1fr 1fr;gap:5rem}.validation .eyebrow{margin-bottom:2.5rem}.validation h2{font-size:clamp(3.3rem,5.5vw,5.2rem)}.validation-copy{padding-top:3.8rem}.validation-copy>p{font-size:1rem;color:var(--muted)}.validation-copy>.large-copy{font-size:1.5rem;line-height:1.4;letter-spacing:-.025em;color:var(--paper);margin-bottom:1.5rem}blockquote{margin:2rem 0;padding-left:1.2rem;border-left:3px solid var(--iris-light)}blockquote p{font-size:1.4rem;font-weight:500;line-height:1.35}blockquote footer{font-size:.8125rem;color:var(--muted);margin-top:1rem;line-height:1.5}.validation-copy>p.fine-print{font-size:.8125rem;line-height:1.65}
.next-chapter{max-width:var(--max);margin:auto;padding:3rem var(--gutter);background:var(--panel);border-block:1px solid var(--line);display:flex;justify-content:space-between;gap:2rem;align-items:end}.next-chapter .eyebrow{color:var(--muted);margin-bottom:1.4rem}.next-chapter h2{font-size:clamp(2.4rem,4vw,3.8rem)}.next-chapter h2 span{color:var(--iris-light)}.next-chapter>p{font-size:.9375rem;line-height:1.5;color:var(--muted);white-space:nowrap}
.updates{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:5rem;padding-block:6rem}.updates .eyebrow{margin-bottom:2rem}.updates h2{font-size:clamp(3.5rem,6vw,5.75rem);line-height:1}.updates-copy>p:last-child{font-size:1.0625rem;color:var(--muted);margin-top:2rem;max-width:26rem}.signup-card{padding:2rem;background:var(--paper);color:var(--ink);border-top:5px solid var(--iris-light);min-width:0}.signup-heading{display:flex;gap:1.25rem;align-items:center;margin-bottom:2rem}.signup-eight{font-family:KK Display,'Arial Narrow',Arial,sans-serif;font-size:5rem;line-height:1;color:var(--iris);font-weight:700}.signup-heading h3{font-size:1.8rem;margin-bottom:.25rem}.signup-heading p{font-size:.8125rem;color:#5a5962;line-height:1.5}.signup-status{border:1px solid #ceccd5;padding:1.5rem;min-height:175px;display:flex;flex-direction:column;align-items:flex-start;justify-content:center}.signup-status>p{font-size:1rem;line-height:1.5;font-weight:600;margin-bottom:.5rem}.signup-status .status-detail{font-size:.875rem;font-weight:400;color:#62616b}.signup-status .button{margin-top:.65rem}.loading-line{height:3px;width:36px;background:var(--iris);margin-bottom:1rem;animation:breathe 1.4s ease-in-out infinite}.signup-status[data-state="unavailable"] .loading-line{display:none}.signup-note{font-size:.8125rem;line-height:1.5;color:#62616b;margin-top:1.5rem}.signup-privacy{border-top:1px solid #ceccd5;margin-top:1rem;padding-top:1rem}.signup-privacy summary{font-size:.875rem;padding:.3rem 0}.signup-privacy p{font-size:.875rem;line-height:1.7;color:#62616b;margin-top:1rem}.sender-form-field{max-width:100%}.sender-form-field iframe{max-width:100%;border:0}.signup-card :focus-visible{outline-color:var(--iris)}
.questions{border-top:1px solid var(--line);padding-top:3.5rem;padding-bottom:4rem;display:grid;grid-template-columns:1fr 1.5fr;gap:3rem}.questions h2{font-size:clamp(2.4rem,3.8vw,3.5rem)}.faq-list details{border-bottom:1px solid var(--line)}.faq-list details:first-child{border-top:1px solid var(--line)}summary{cursor:pointer}.faq-list summary{list-style:none;padding:1.3rem 0;display:flex;align-items:center;justify-content:space-between;gap:1.5rem;font-size:1rem;font-weight:500;line-height:1.5}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary>span{font-size:1.75rem;font-weight:400;color:var(--iris-light);transition:transform .2s;flex:none}.faq-list details[open] summary>span{transform:rotate(45deg)}.faq-list details>p{font-size:.9375rem;line-height:1.7;color:var(--muted);padding:0 2rem 1.5rem 0}.site-footer{max-width:var(--max);margin:auto;border-top:1px solid var(--line);padding:2rem var(--gutter);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1.5rem}.site-footer>span{font-size:.8125rem;color:var(--muted);line-height:1.5;margin-left:auto;text-align:right}
@keyframes enter-eight{from{opacity:0;transform:translateY(20px) rotate(0)}to{opacity:1;transform:translateY(0) rotate(-8deg)}}@keyframes breathe{50%{opacity:.35}}
@media(min-width:1441px){.hero h1{font-size:6.75rem}.giant-eight{font-size:34rem}.eight-poster{padding:1.75rem}}
@media(max-width:1050px){.site-header nav{gap:1.25rem}.hero{gap:0 2rem;padding-top:3rem}.hero h1{font-size:clamp(3.4rem,6.7vw,5rem)}.giant-eight{font-size:32vw}.eight-poster{padding:1.15rem}.poster-top,.poster-bottom{font-size:.75rem;letter-spacing:.03em}.difference-intro{margin-left:34%;gap:2rem}.section-wrap{padding-block:4.5rem}.engineering-copy{padding:3rem 2rem}.engineering-image{min-height:630px}.validation,.updates{gap:3rem}.proof-strip{gap:1.5rem}.proof-strip>div{gap:.8rem}.proof-strip span{font-size:.8125rem}.value-bottom{gap:3rem}.signup-card{padding:1.5rem}}
@media(max-width:760px){.site-header{min-height:80px;padding-block:1.2rem;gap:1rem}.site-header .nav-link{display:none}.site-header .button{padding:.75rem .9rem;font-size:.8125rem}.site-header nav{gap:0}.hero{grid-template-columns:minmax(0,1fr);padding-top:2.75rem;gap:2.5rem}.hero h1{font-size:clamp(3.85rem,11.4vw,5.8rem)}.hero-description{max-width:31rem}.hero .eyebrow{margin-bottom:1.5rem}.hero-actions{margin-top:1.5rem}.eight-poster{padding:1.5rem;display:grid;grid-template-columns:1fr 1fr;grid-template-rows:auto 1fr auto;gap:1rem;min-height:330px}.poster-top{grid-column:1/-1}.giant-eight{font-size:17rem;line-height:.82;grid-column:1;grid-row:2;min-height:225px}.poster-middle{grid-column:2;grid-row:2;flex-direction:column;align-items:flex-start;justify-content:center;gap:1rem;font-size:2.5rem;margin:0;padding-left:1rem}.poster-cross{font-size:3.5rem}.poster-bottom{grid-column:1/-1;font-size:.75rem}.hero-baseline{margin-top:-.5rem;font-size:.8125rem;gap:1rem}.hero-baseline>span{max-width:10rem}.proof-strip{padding-block:1.65rem;gap:1rem}.proof-strip>div{display:block}.proof-strip strong{display:block;font-size:3.2rem;margin-bottom:.6rem}.proof-strip span{font-size:.8125rem}.section-wrap{padding-block:3.75rem}.section-heading{grid-template-columns:1fr;gap:1.5rem}h2{font-size:clamp(2.7rem,8vw,4rem)}.difference-intro{margin:2rem 0 2.5rem;gap:1.5rem;font-size:1rem}.payoffs{grid-template-columns:1fr;gap:2rem}.payoffs article{display:grid;grid-template-columns:2rem 1fr;gap:0 1rem;padding-top:1.35rem}.payoff-number{grid-column:1;grid-row:1/3;margin:.25rem 0 0}.payoffs h3{font-size:1.55rem;margin-bottom:.75rem;grid-column:2}.payoffs p{grid-column:2;max-width:34rem}.movement-line{grid-template-columns:1fr;gap:.75rem;margin-top:2rem}.value-inner{padding:3.25rem var(--gutter)}.value-statement h2{font-size:clamp(3.5rem,10vw,5rem)}.value-inner>.eyebrow{font-size:.8125rem;max-width:22rem;line-height:1.7}.value-bottom{gap:2rem;grid-template-columns:1fr}.value-bottom>p:first-child{font-size:1rem}.value-line{justify-self:start;font-size:2rem}.value-line br{display:none}.engineering{grid-template-columns:1fr}.engineering-image{min-height:460px}.engineering-image img{object-position:center 56%}.image-note{top:2rem;font-size:1.5rem;max-width:20rem}.engineering-copy{padding:3.25rem var(--gutter)}.engineering-copy h2{font-size:clamp(3.7rem,11vw,5.3rem)}.engineering-copy>p{max-width:34rem}.iteration{max-width:34rem}.validation{grid-template-columns:1fr;gap:2rem}.validation h2{font-size:clamp(3.5rem,10vw,5rem)}.validation .eyebrow{margin-bottom:1.7rem;max-width:21rem}.validation-copy{padding-top:0;max-width:35rem}.next-chapter{display:block;padding-block:2.5rem}.next-chapter h2{font-size:clamp(2.7rem,7.7vw,3.5rem)}.next-chapter>p{margin-top:1.5rem}.updates{grid-template-columns:1fr;gap:2.5rem}.updates h2{font-size:clamp(3.6rem,11vw,5.5rem)}.updates-copy>p:last-child{margin-top:1.5rem}.signup-card{padding:1.6rem;max-width:34rem;width:100%}.questions{grid-template-columns:1fr;gap:2rem}.questions h2{font-size:2.75rem}.site-footer{gap:1rem}.site-footer .wordmark{font-size:1.5rem}}
@media(max-width:400px){.site-header .wordmark{font-size:1.35rem}.site-header .button{font-size:.8125rem;padding:.7rem .6rem;min-height:44px}.hero h1{font-size:clamp(3.45rem,11.4vw,4.2rem)}.hero .eyebrow{font-size:.8125rem;gap:.65rem}.hero-actions{gap:1.15rem}.hero-actions .button{padding-inline:1.2rem}.eight-poster{padding:1.1rem}.giant-eight{font-size:15.5rem}.poster-middle{font-size:2.2rem}.poster-bottom{font-size:.75rem;letter-spacing:0}.proof-strip strong{font-size:2.8rem}.proof-strip span{font-size:.75rem}.difference-intro{grid-template-columns:1fr}.signup-card{padding:1.3rem}.signup-heading{gap:1rem}.signup-heading h3{font-size:1.6rem}.hero-baseline>span{max-width:8rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}.giant-eight{transform:rotate(-8deg)}}

.comparison-proof{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:1.5rem 0;margin:1.75rem 0}.comparison-proof .eyebrow{color:var(--iris-light);font-size:.8125rem;margin-bottom:.9rem}.comparison-proof>p:not(.eyebrow){font-size:1.0625rem;line-height:1.6}.comparison-proof strong{display:block;font-size:1rem;line-height:1.5;color:var(--iris-light);margin-top:1rem}

.hero-signup-note{margin-top:1rem;font-size:.875rem;line-height:1.5;color:var(--muted);max-width:28rem}
.poster-feature{display:contents}
.engineering-studies{grid-column:1/-1;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:2.5rem;padding:3rem var(--gutter) 4rem;border-top:1px solid var(--line)}
.engineering-studies .eyebrow{color:var(--iris-light);font-size:.8125rem;letter-spacing:.06em;margin-bottom:1.25rem}
.engineering-studies h3{font-size:1.6rem;margin-bottom:1rem}
.engineering-studies article>p:last-child{font-size:1rem;line-height:1.75;color:var(--muted)}
.movement-line{align-items:start;row-gap:1rem}
.movement-line>.eyebrow{padding-top:.35rem}
.movement-copy{min-width:0}
.movement-copy h3{display:flex;flex-wrap:wrap;align-items:baseline;gap:.2em .6em;font-size:clamp(1.35rem,2vw,1.75rem);line-height:1.35;letter-spacing:-.025em;margin-bottom:1rem}
.movement-copy h3>span{max-width:100%;text-wrap:balance}
.movement-count{color:var(--iris)}
.movement-copy h3>span:last-child{font-weight:500;color:#53535b}
.movement-exercises{display:flex;flex-wrap:wrap;gap:.4rem .25rem;list-style:none;margin:0;padding:0;font-size:1rem;line-height:1.6;letter-spacing:-.00625em;color:#53535b}
.movement-exercises li{flex:0 1 auto;max-width:100%}
@media(max-width:760px){.movement-line{row-gap:.75rem}.movement-line>.eyebrow{padding-top:0}.movement-copy h3{row-gap:.15em}.movement-exercises{column-gap:.75rem}}
@media(max-width:1050px){.engineering-studies{gap:1.75rem}}
@media(max-width:760px){.engineering-studies{grid-template-columns:1fr;gap:2rem;padding-top:2.5rem;padding-bottom:3rem}.engineering-studies article+article{border-top:1px solid var(--line);padding-top:2rem}.engineering-studies article{max-width:35rem}.engineering-studies .eyebrow{margin-bottom:.8rem}.engineering-studies h3{margin-bottom:.75rem}}

/* Each linked destination fills the arrival view. Content may grow and scroll. */
html{scroll-padding-top:0}
.difference,.engineering-intro,.updates{min-height:100vh;min-height:100dvh}
.engineering{display:block;min-height:0}
.engineering-intro{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
@media(max-width:760px){.engineering-intro{grid-template-columns:minmax(0,1fr)}}

/* Keep the signup card and embedded form on the same responsive grid. */
.updates{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(2rem,5vw,5rem)}
.signup-card{width:100%;max-width:32rem;justify-self:center;padding:clamp(1.25rem,2.5vw,2rem)}
.signup-heading{gap:1rem;margin-bottom:1.5rem}
.signup-heading>div{min-width:0}
.signup-heading h3{font-size:clamp(1.55rem,2.5vw,1.8rem);line-height:1.2}
.signup-heading p{font-size:.875rem;line-height:1.5}
.signup-eight{flex:none;font-size:4.5rem}
/* Center the responsive Sender embed and its SDK-created outer wrapper. */
.signup-heading,.signup-status,#sender-embed,.signup-note,.signup-privacy{width:min(100%,424px);max-width:100%;margin-inline:auto}
#sender-embed{min-width:0;display:flex;justify-content:center}
#sender-embed>div:first-of-type{display:flex!important;justify-content:center!important;width:100%!important;max-width:100%!important;min-width:0!important;margin-inline:0!important;padding-inline:0!important;box-sizing:border-box!important}
#sender-embed .sender-subs-embeded-form,
#sender-embed .sender-form-box{width:100%!important;max-width:100%!important;margin-inline:0!important}
#sender-embed .sender-form-box{padding:0!important}
#sender-embed iframe{display:block;flex:1 1 0%!important;width:100%!important;max-width:100%!important;min-width:0!important;margin-inline:0!important;border:0}
.signup-note{font-size:.875rem;line-height:1.6;margin-top:1.5rem}
.signup-privacy{margin-top:1.25rem;padding-top:1rem}
.signup-privacy summary{padding:.4rem 0;line-height:1.5}
@media(max-width:900px){
  .updates{grid-template-columns:minmax(0,1fr);gap:2.5rem}
  .updates-copy{width:100%;max-width:37.5rem;justify-self:center}
  .updates-copy>p:last-child{max-width:32rem}
}
@media(max-width:400px){
  .signup-eight{font-size:4rem}
  .signup-heading{gap:.875rem}
}

/* Desktop conversion hierarchy; preserve the existing section arrival views. */
@media(min-width:761px){
  .hero-detail-link{display:none}
  .hero-actions{gap:0}
  .hero-signup-note{margin-top:.75rem}
  .questions{padding-bottom:3.5rem;border-bottom:1px solid var(--line)}
}

/* Phone layouts share the content and signup service with the finished PC site. */
@media(max-width:760px){
  :root{--gutter:clamp(1rem,5vw,1.25rem)}
  .site-header{position:relative;flex-wrap:wrap;align-items:center;gap:.5rem;min-height:0;padding-block:1rem}
  .site-header .wordmark{font-size:1.375rem;max-width:calc(100% - 7.5rem)}
  .site-header nav{width:100%;display:flex;justify-content:flex-start;gap:1.25rem}
  .site-header .nav-link{display:inline-flex;align-items:center;min-height:44px;font-size:.875rem;padding:.5rem 0}
  .site-header .button{position:absolute;right:var(--gutter);top:.75rem;font-size:.8125rem;min-height:44px;padding:.75rem .75rem}
  .hero{padding-top:2rem;row-gap:2rem}
  .hero .eyebrow{font-size:.8125rem;gap:.75rem;margin-bottom:1.125rem}
  .hero h1{font-size:clamp(2.8rem,12vw,4.5rem);line-height:.98;margin-bottom:1.125rem}
  .hero-punch{font-size:1.125rem;line-height:1.4}
  .hero-description{font-size:1rem;line-height:1.6}
  .hero-actions{margin-top:1.25rem;gap:1rem}
  .hero-actions>.button{width:100%;min-height:56px}
  .hero-actions>.hero-detail-link{display:none}
  .hero-signup-note{font-size:.875rem;line-height:1.55;margin-top:.75rem}
  .eight-poster{grid-template-columns:minmax(0,1fr);grid-template-rows:auto auto auto;align-items:center;min-height:0;padding:1rem;gap:.875rem}
  .poster-top{font-size:.75rem;letter-spacing:.025em;gap:.5rem}
  .poster-feature{grid-column:1/-1;grid-row:2;display:flex;align-items:center;justify-content:center;gap:1rem}
  .giant-eight{flex:none;font-size:clamp(8.5rem,42vw,10.5rem);line-height:.85;min-height:0;transform:translateY(.08em) rotate(-8deg);animation:none}
  .poster-middle{flex:none;min-width:0;font-size:clamp(1.65rem,7.5vw,2.15rem);line-height:1.05;gap:0;padding-left:0}
  .poster-cross{display:none}
  .poster-bottom{flex-direction:column;align-items:center;text-align:center;letter-spacing:0;gap:.375rem;padding-top:1rem}
  .poster-bottom>span:first-child{font-family:KK Display,'Arial Narrow',Arial,sans-serif;font-size:clamp(1.35rem,5.5vw,1.75rem);line-height:1.15}
  .poster-bottom>span:last-child{font-size:.875rem;line-height:1.5}
  .hero-baseline{align-items:flex-start;font-size:.75rem;gap:1rem;margin-top:0}
  .hero-baseline>p,.hero-baseline>span{min-width:0}
  .proof-strip{gap:.75rem;padding-block:1.5rem}
  .proof-strip strong{font-size:2.8rem;margin-bottom:.375rem}
  .proof-strip span{font-size:.8125rem;line-height:1.5}
  .section-wrap{padding-block:3.25rem}
  h2{font-size:clamp(2.4rem,9vw,3.8rem);line-height:1.04}
  .difference-intro{grid-template-columns:minmax(0,1fr);gap:1rem;margin-block:1.75rem 2rem}
  .payoffs p,.movement-exercises{line-height:1.65}
  .value-inner{padding-block:3rem}
  .value-statement h2{font-size:clamp(2.6rem,11vw,4.3rem);line-height:1.02}
  .value-line{font-size:1.875rem;line-height:1.15}
  .engineering-image{min-height:0;height:clamp(20rem,90vw,25rem)}
  .image-note{font-size:1.375rem;top:1.5rem;right:var(--gutter)}
  .engineering-copy{padding:2.75rem var(--gutter)}
  .engineering-copy>.eyebrow{margin-bottom:1.25rem}
  .engineering-copy h2{font-size:clamp(2.7rem,11vw,4rem);line-height:1.02;margin-bottom:1.25rem}
  .iteration{gap:1rem;margin-top:1.5rem;padding-top:1.25rem}
  .iteration>div{min-width:0}
  .iteration-number{font-size:3.5rem}
  .iteration-number>span{font-size:2.25rem}
  .engineering-studies{padding-block:2.5rem 3rem;gap:1.75rem}
  .validation h2{font-size:clamp(2.6rem,11vw,4.25rem);line-height:1.02}
  .validation-copy>.large-copy{font-size:1.25rem;line-height:1.45}
  .validation-copy blockquote p{font-size:1.25rem;line-height:1.4}
  .next-chapter h2{font-size:clamp(2.2rem,8vw,3.25rem)}
  .questions{gap:1.5rem;border-bottom:1px solid var(--line)}
  .questions h2{font-size:2.5rem}
  .faq-list summary{min-height:56px;padding:1rem 0}
  .faq-list details>p{padding-right:0}
  .updates{gap:2rem}
  .updates .eyebrow{margin-bottom:1.25rem}
  .updates h2{font-size:clamp(2.6rem,11vw,4rem);line-height:1.02}
  .updates-copy>p:last-child{font-size:1rem;line-height:1.65;margin-top:1.25rem}
  .signup-card{padding:1.25rem}
  .signup-heading{gap:.875rem;margin-bottom:1.25rem}
  .signup-heading h3{font-size:1.55rem}
  .signup-heading p{font-size:.875rem}
  .signup-eight{font-size:4rem}
  .signup-note{margin-top:1.25rem}
  .signup-privacy summary{min-height:44px;padding-block:.7rem}
  .site-footer{align-items:baseline;flex-direction:row;flex-wrap:nowrap;gap:.75rem;padding-block:1.5rem}
  .site-footer .wordmark{font-size:clamp(1.25rem,6vw,1.5rem)}
  .site-footer>span{align-self:auto;flex-shrink:0;white-space:nowrap}
}