:root{--bg:#fff;--surface:#f8f8f8;--ink:#111;--muted:#666;--line:#e7e7e7;--accent:#06f;--nav:rgba(255,255,255,.78);--code:#0b0d10;--radius:24px;--shadow:0 24px 70px rgba(0,0,0,.08)}
@font-face{font-family:Inter;src:url('../fonts/InterVariable.woff2') format('woff2');font-weight:100 900;font-display:swap}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:88px}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}body.is-transitioning{opacity:0}body,header,section,footer,.card,.nav-panel{transition:background-color .35s,color .35s,border-color .35s,opacity .24s}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button{color:inherit}img,svg{display:block;max-width:100%}::selection{background:#06f;color:#fff}.skip{position:fixed;left:16px;top:-80px;z-index:100;background:var(--ink);color:var(--bg);padding:10px 14px;border-radius:10px}.skip:focus{top:16px}.container{width:min(1200px,calc(100% - 40px));margin-inline:auto}.narrow{width:min(780px,100%)}.eyebrow{margin:0 0 20px;color:var(--accent);font-weight:650;font-size:.78rem;letter-spacing:.13em;text-transform:uppercase}.display{font-size:clamp(3.25rem,8vw,7.75rem);line-height:.92;letter-spacing:-.065em;font-weight:610;margin:0;max-width:1100px}.page-title{font-size:clamp(3rem,7vw,6.5rem);line-height:.94;letter-spacing:-.06em;font-weight:610;margin:0}.section-title{font-size:clamp(2.25rem,5vw,4.75rem);line-height:1;letter-spacing:-.05em;font-weight:580;margin:0}.lede{font-size:clamp(1.15rem,2vw,1.5rem);line-height:1.45;color:var(--muted);max-width:760px}.body-lg{font-size:clamp(1.1rem,1.5vw,1.3rem);color:var(--muted)}.muted{color:var(--muted)}.accent{color:var(--accent)}
.site-header{position:fixed;inset:0 0 auto;z-index:50;height:72px;border-bottom:1px solid transparent}.site-header.scrolled{background:var(--nav);backdrop-filter:blur(18px) saturate(140%);border-color:var(--line)}.nav{height:72px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:11px;font-weight:650;letter-spacing:-.02em}.brand-mark{width:25px;height:25px}.nav-links{display:flex;align-items:center;gap:26px;font-size:.875rem}.nav-links a{color:var(--muted);transition:color .2s}.nav-links a:hover,.nav-links a[aria-current=page]{color:var(--ink)}.nav-actions{display:flex;align-items:center;gap:10px}.icon-button,.menu-button{width:40px;height:40px;border:1px solid var(--line);border-radius:50%;background:transparent;display:grid;place-items:center;cursor:pointer}.menu-button{display:none}.button{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 20px;border-radius:999px;border:1px solid var(--line);font-size:.9rem;font-weight:620;transition:transform .2s,box-shadow .2s,background .2s}.button:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,0,0,.09)}.button.primary{background:var(--accent);border-color:var(--accent);color:#fff}.button.dark{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.hero{min-height:100svh;padding:160px 0 40px;display:flex;flex-direction:column;justify-content:space-between;overflow:hidden}.hero-copy{position:relative;z-index:2}.hero .lede{margin:34px 0 30px}.actions{display:flex;flex-wrap:wrap;gap:12px}.network{height:clamp(260px,34vw,450px);margin-top:-40px;position:relative;isolation:isolate}.network svg{width:100%;height:100%;overflow:visible}.network-line{stroke:var(--line);stroke-width:1}.network-node{fill:var(--bg);stroke:#c9c9c9}.network-node.active{fill:var(--accent);stroke:var(--accent);filter:drop-shadow(0 0 10px rgba(0,102,255,.35))}.signal{fill:none;stroke:var(--accent);stroke-width:1.5;stroke-dasharray:4 10;opacity:.7}
.section{padding:clamp(90px,12vw,170px) 0}.section.soft{background:var(--surface)}.section.dark{background:var(--code);color:#fff}.section-head{display:grid;grid-template-columns:.7fr 1.3fr;gap:60px;align-items:start;margin-bottom:64px}.section-head .lede{margin:0}.grid{display:grid;gap:18px}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.card{border:1px solid var(--line);border-radius:var(--radius);padding:clamp(24px,3vw,38px);background:var(--bg)}.card h3{margin:22px 0 10px;font-size:1.25rem;letter-spacing:-.025em}.card p{margin:0;color:var(--muted)}.card-icon{width:42px;height:42px;border-radius:13px;background:rgba(0,102,255,.08);display:grid;place-items:center;color:var(--accent)}.problem-list{display:grid;grid-template-columns:repeat(2,1fr);gap:0;border-top:1px solid var(--line)}.problem-item{padding:28px 0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:30px}.problem-item:nth-child(odd){padding-right:32px}.problem-item:nth-child(even){padding-left:32px;border-left:1px solid var(--line)}.problem-item strong{font-size:1.1rem}.problem-item span{max-width:250px;color:var(--muted);text-align:right}
.media-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.video-start{position:absolute;z-index:2;inset:50% auto auto 50%;transform:translate(-50%,-50%);width:112px;height:112px;border:1px solid rgba(255,255,255,.7);border-radius:50%;background:rgba(0,0,0,.5);backdrop-filter:blur(12px);color:#fff;font-weight:650;font-size:1rem;cursor:pointer;transition:transform .2s,background .2s}.video-start:hover{transform:translate(-50%,-50%) scale(1.06);background:var(--accent)}.phone-showcase{display:grid;grid-template-columns:1fr 300px;gap:clamp(30px,7vw,90px);align-items:center}.iphone-frame{position:relative;width:300px;max-width:100%;aspect-ratio:254/525;justify-self:end;overflow:hidden}.iphone-frame video{display:block;width:100%;height:100%;object-fit:cover;object-position:center}.media-frame{position:relative;margin:0;border:1px solid var(--line);border-radius:32px;overflow:hidden;background:var(--code);box-shadow:var(--shadow)}.media-frame video{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}.media-frame figcaption{padding:16px 20px;background:var(--bg);font-size:.9rem;font-weight:600}.flow-node{width:190px;aspect-ratio:auto;min-height:220px;padding:0;overflow:hidden}.flow-image{width:100%;aspect-ratio:4/3;object-fit:cover}.flow-node span{padding:14px 16px}.architecture{border:1px solid var(--line);border-radius:32px;padding:clamp(20px,5vw,60px);overflow:hidden;background:linear-gradient(180deg,var(--bg),var(--surface))}.arch-flow{display:grid;grid-template-columns:repeat(9,auto);align-items:center;justify-content:space-between;gap:10px}.arch-node{width:150px;aspect-ratio:1;border:1px solid var(--line);border-radius:24px;background:var(--bg);display:flex;flex-direction:column;justify-content:space-between;padding:20px;box-shadow:0 12px 30px rgba(0,0,0,.04)}.arch-node svg{color:var(--accent)}.arch-node span{font-size:.86rem;font-weight:600}.arch-arrow{color:var(--muted)}
.use-card{min-height:0;position:relative;overflow:hidden;padding:0 0 28px}.use-image{width:100%;aspect-ratio:4/3;object-fit:cover}.use-card h3{margin:24px 24px 10px}.use-card p{margin:0 24px}.code-wrap{border:1px solid #252830;border-radius:24px;background:#101318;overflow:hidden;box-shadow:0 35px 80px rgba(0,0,0,.3)}.code-top{height:50px;border-bottom:1px solid #252830;display:flex;align-items:center;padding:0 18px;gap:7px}.dot{width:9px;height:9px;border-radius:50%;background:#333842}.code-top span:last-child{margin-left:auto;color:#8c94a4;font-size:.75rem}.code{padding:32px;overflow:auto;font:500 clamp(.82rem,1.4vw,1rem)/1.8 ui-monospace,SFMono-Regular,Menlo,monospace;color:#d9deea}.code .blue{color:#69a5ff}.code .green{color:#78d6a0}.code .dim{color:#788091}.developer-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:70px;align-items:center}
.timeline{position:relative;margin-top:70px}.timeline:before{content:"";position:absolute;top:0;bottom:0;left:15px;width:1px;background:var(--line)}.timeline-progress{position:absolute;top:0;left:15px;width:1px;height:0;background:var(--accent)}.milestone{display:grid;grid-template-columns:64px 140px 1fr;gap:25px;padding:0 0 65px;position:relative}.milestone-dot{width:31px;height:31px;border-radius:50%;border:1px solid var(--line);background:var(--bg);display:grid;place-items:center;z-index:2}.milestone-dot:after{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent)}.milestone time{font-size:.85rem;color:var(--muted);padding-top:5px}.milestone h3{margin:0 0 8px;font-size:1.35rem}.milestone p{margin:0;color:var(--muted);max-width:620px}
.faq{border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}.faq-button{width:100%;border:0;background:transparent;text-align:left;padding:26px 0;display:flex;justify-content:space-between;align-items:center;cursor:pointer;font-size:clamp(1rem,1.7vw,1.2rem);font-weight:560}.faq-icon{width:26px;height:26px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;transition:transform .3s}.faq-button[aria-expanded=true] .faq-icon{transform:rotate(45deg)}.faq-panel{height:0;overflow:hidden}.faq-panel p{margin:0;padding:0 50px 28px 0;color:var(--muted);max-width:800px}.cta{border-radius:36px;background:var(--accent);color:#fff;padding:clamp(40px,7vw,85px);display:flex;justify-content:space-between;align-items:end;gap:40px}.cta h2{font-size:clamp(2.2rem,5vw,4.5rem);line-height:1;letter-spacing:-.05em;margin:0}.cta .button{background:#fff;color:#111;border-color:#fff}
.page-hero{padding:180px 0 100px}.page-hero .lede{margin-top:30px}.prose{font-size:clamp(1.05rem,1.6vw,1.25rem);color:var(--muted)}.prose h2{color:var(--ink);font-size:clamp(2rem,4vw,3.5rem);letter-spacing:-.045em;line-height:1.05;margin:80px 0 20px}.prose h3{color:var(--ink);margin:36px 0 10px}.prose p,.prose ul{max-width:760px}.stats{display:grid;grid-template-columns:repeat(3,1fr);border-block:1px solid var(--line)}.stat{padding:35px 25px;border-right:1px solid var(--line)}.stat:last-child{border:0}.stat strong{display:block;font-size:clamp(2rem,4vw,3.5rem);letter-spacing:-.05em}.stat span{color:var(--muted)}.contact-form{display:grid;gap:16px}.field label{display:block;font-size:.85rem;font-weight:600;margin-bottom:8px}.field input,.field textarea{width:100%;border:1px solid var(--line);border-radius:14px;background:var(--bg);color:var(--ink);padding:14px 16px;outline:none}.field input:focus,.field textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(0,102,255,.1)}.field textarea{min-height:150px;resize:vertical}.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px}.legal{padding-bottom:140px}.legal h2{font-size:1.5rem;margin-top:50px}.legal p,.legal li{color:var(--muted)}
.site-footer{padding:60px 0 30px;border-top:1px solid var(--line)}.footer-top{display:flex;justify-content:space-between;gap:40px;margin-bottom:70px}.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:60px}.footer-group h3{font-size:.75rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin:0 0 15px}.footer-group a{display:block;margin:8px 0;font-size:.9rem}.footer-bottom{display:flex;justify-content:space-between;color:var(--muted);font-size:.8rem}.reveal{opacity:0;transform:translateY(24px)}
[data-theme=dark]{--bg:#0d0f12;--surface:#15171b;--ink:#f5f5f5;--muted:#a0a3aa;--line:#292c32;--nav:rgba(13,15,18,.82);--code:#08090b;--shadow:0 24px 70px rgba(0,0,0,.35)}[data-theme=dark] .architecture{background:linear-gradient(180deg,var(--bg),var(--surface))}
.reveal{opacity:1;transform:none}
.network-line{fill:none}
@media(max-width:960px){.nav-links{position:fixed;inset:72px 14px auto;background:var(--bg);border:1px solid var(--line);border-radius:20px;padding:18px;display:none;flex-direction:column;align-items:stretch;box-shadow:var(--shadow)}.nav-links.open{display:flex}.menu-button{display:grid}.nav-actions .button{display:none}.section-head,.developer-grid,.contact-grid,.phone-showcase{grid-template-columns:1fr;gap:30px}.iphone-frame{justify-self:center}.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3,.media-grid{grid-template-columns:repeat(2,1fr)}.arch-flow{grid-template-columns:1fr;justify-items:center}.arch-arrow{transform:rotate(90deg)}.arch-node{width:min(100%,280px);aspect-ratio:auto;min-height:130px}.footer-links{gap:25px}}
@media(max-width:640px){.iphone-frame{width:264px}.container{width:min(1200px,calc(100% - 48px))}.display{font-size:clamp(3rem,15vw,4.4rem)}.hero{padding-top:130px}.network{margin-top:20px}.grid-2,.grid-3,.grid-4,.media-grid{grid-template-columns:1fr}.problem-list{grid-template-columns:1fr}.problem-item:nth-child(n){padding:22px 0;border-left:0}.problem-item{display:block}.problem-item span{display:block;text-align:left;margin-top:6px}.milestone{grid-template-columns:50px 1fr;gap:10px}.milestone time{grid-column:2}.milestone div:last-child{grid-column:2}.cta{align-items:start;flex-direction:column}.stats{grid-template-columns:1fr}.stat{border-right:0;border-bottom:1px solid var(--line)}.footer-top,.footer-bottom{flex-direction:column}.footer-links{grid-template-columns:1fr 1fr}.page-hero{padding-top:140px}.code{padding:22px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}.reveal{opacity:1;transform:none}}