:root{color-scheme:dark;--bg: oklch(.11 .012 242);--bg-elevated: oklch(.16 .014 242);--bg-soft: oklch(.2 .018 242);--ink: oklch(.94 .006 240);--ink-strong: oklch(.99 .002 240);--muted: oklch(.68 .018 242);--muted-strong: oklch(.79 .012 242);--line: oklch(.34 .018 242);--line-soft: oklch(.24 .014 242);--accent: oklch(.76 .15 197);--accent-strong: oklch(.86 .13 190);--danger: oklch(.7 .17 25);--max: 1180px;--pad: clamp(1rem, 4vw, 3rem);--header: 72px;--ease: cubic-bezier(.22, 1, .36, 1);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--bg)}body{margin:0;min-width:320px;background:linear-gradient(180deg,oklch(.13 .012 242) 0%,var(--bg) 34rem),var(--bg);color:var(--ink);line-height:1.6;overflow-x:hidden}body.menu-open{overflow:hidden}body:before{content:"";position:fixed;inset:0;pointer-events:none;background-image:linear-gradient(to right,oklch(1 0 0 / .035) 1px,transparent 1px),linear-gradient(to bottom,oklch(1 0 0 / .03) 1px,transparent 1px);background-size:72px 72px;mask-image:linear-gradient(to bottom,black,transparent 72%)}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}.site-header{position:fixed;z-index:40;top:0;left:0;right:0;height:var(--header);display:flex;align-items:center;gap:1.5rem;padding:0 var(--pad);color:var(--ink-strong);transition:background .28s var(--ease),border-color .28s var(--ease),height .28s var(--ease)}.site-header.is-scrolled,.site-header:has(.menu-toggle[aria-expanded=true]){height:64px;background:#020406e0;border-bottom:1px solid var(--line-soft);backdrop-filter:blur(18px)}.brand{display:inline-flex;align-items:center;gap:.7rem;min-width:max-content;font-weight:650}.brand-mark{display:grid;width:2.35rem;aspect-ratio:1;place-items:center;border:1px solid var(--ink);color:var(--ink-strong);font-size:.68rem;letter-spacing:.08em}.brand-text{letter-spacing:.02em}.desktop-nav{display:flex;justify-content:center;gap:clamp(1rem,2.6vw,2.5rem);flex:1;color:var(--muted-strong);font-size:.92rem}.desktop-nav a,.nav-cta{transition:color .18s ease}.desktop-nav a:hover,.nav-cta:hover{color:var(--accent-strong)}.nav-cta{color:var(--ink-strong);font-size:.92rem;border-bottom:1px solid var(--accent)}.menu-toggle{display:none;width:2.75rem;height:2.75rem;padding:0;border:1px solid var(--line);background:transparent;color:var(--ink)}.menu-toggle span{display:block;width:1.1rem;height:1px;margin:.22rem auto;background:currentColor;transition:transform .24s var(--ease)}.menu-toggle[aria-expanded=true] span:first-child{transform:translateY(4px) rotate(45deg)}.menu-toggle[aria-expanded=true] span:last-child{transform:translateY(-4px) rotate(-45deg)}.mobile-menu{position:fixed;z-index:30;inset:0;padding:calc(var(--header) + 2rem) var(--pad) 2rem;background:#010305fa;opacity:0;pointer-events:none;transform:translateY(-1rem);transition:opacity .24s var(--ease),transform .24s var(--ease)}.mobile-menu[aria-hidden=false]{opacity:1;pointer-events:auto;transform:translateY(0)}.mobile-menu__inner{display:grid;gap:1.4rem}.mobile-menu a{padding:1rem 0;border-bottom:1px solid var(--line-soft);font-size:clamp(1.5rem,8vw,3rem);font-weight:650;line-height:1.1}.section-pad{width:min(100%,calc(var(--max) + var(--pad) * 2));margin-inline:auto;padding:clamp(5rem,9vw,8rem) var(--pad)}.hero{min-height:100svh;display:grid;grid-template-columns:minmax(0,.92fr) minmax(340px,.78fr);align-items:center;gap:clamp(2rem,6vw,5.5rem);padding-top:calc(var(--header) + 4rem)}.kicker{margin:0 0 1rem;color:var(--accent-strong);font-size:.72rem;letter-spacing:.14em;line-height:1.4}h1,h2,h3,p{margin-top:0}h1,h2{color:var(--ink-strong);line-height:1.05;letter-spacing:-.025em;text-wrap:balance}h1{max-width:10em;margin-bottom:1.35rem;font-size:clamp(3rem,7vw,5.8rem);font-weight:760}h2{margin:0;font-size:clamp(2.1rem,5vw,4.9rem);font-weight:720}h3{color:var(--ink-strong);font-size:clamp(1.2rem,2vw,1.6rem);line-height:1.2}.hero-lede{max-width:42rem;margin-bottom:2rem;color:var(--muted-strong);font-size:clamp(1.02rem,1.7vw,1.22rem);text-wrap:pretty}.hero-actions{display:flex;flex-wrap:wrap;gap:.85rem}.button{display:inline-flex;min-height:3rem;align-items:center;justify-content:center;padding:.75rem 1.05rem;border:1px solid var(--line);font-weight:650;transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease}.button:hover{transform:translateY(-1px)}.button-primary{border-color:var(--ink-strong);background:var(--ink-strong);color:var(--bg)}.button-primary:hover{border-color:var(--accent-strong);background:var(--accent-strong)}.button-secondary{color:var(--ink-strong)}.button-secondary:hover{border-color:var(--accent-strong);color:var(--accent-strong)}.ops-panel{position:relative;padding:1rem;border:1px solid var(--line);background:radial-gradient(circle at 75% 10%,oklch(.58 .13 197 / .24),transparent 34%),linear-gradient(180deg,#0a1319,#020508);overflow:hidden}.ops-panel:after{content:"";position:absolute;inset:0;border:1px solid oklch(1 0 0 / .08);pointer-events:none}.ops-panel__top{display:flex;justify-content:space-between;padding-bottom:1rem;color:var(--muted);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.72rem;letter-spacing:.08em}.ops-panel__top span:last-child{color:var(--accent-strong)}.ops-grid{display:grid;grid-template-columns:1fr 1fr;gap:.75rem}.signal-card,.graph-card,.insight-card{min-height:7.5rem;padding:1rem;border:1px solid var(--line-soft);background:#04080cdb}.wide,.graph-card,.insight-card{grid-column:1 / -1}.label{display:block;margin-bottom:.5rem;color:var(--muted);font-size:.78rem}.signal-card strong{display:block;margin-bottom:.9rem;color:var(--ink-strong);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:2rem;line-height:1}.bar{height:3px;background:var(--line-soft)}.bar i{display:block;height:100%;background:var(--accent)}.graph-card{position:relative;min-height:13.5rem;overflow:hidden;background:linear-gradient(to right,oklch(1 0 0 / .04) 1px,transparent 1px),linear-gradient(to bottom,oklch(1 0 0 / .04) 1px,transparent 1px),#03060ae6;background-size:42px 42px}.graph-card svg{position:absolute;inset:0;width:100%;height:100%;fill:none;stroke:var(--accent);stroke-width:1.6;opacity:.86}.node{position:absolute;z-index:1;width:.72rem;aspect-ratio:1;background:var(--accent-strong);animation:pulse 3.8s var(--ease) infinite}.node-a{left:13%;top:66%}.node-b{left:40%;top:32%;animation-delay:.6s}.node-c{left:68%;top:51%;animation-delay:1.2s}.node-d{left:90%;top:22%;animation-delay:1.8s}.insight-card p{margin:0;color:var(--muted-strong)}.intro-strip{width:min(100%,calc(var(--max) + var(--pad) * 2));margin:0 auto;padding:1.1rem var(--pad);display:flex;flex-wrap:wrap;gap:.75rem 1.8rem;justify-content:space-between;border-block:1px solid var(--line-soft);color:var(--muted);font-size:.9rem}.section-heading{display:grid;grid-template-columns:5.5rem minmax(0,1fr);gap:clamp(1rem,4vw,2.5rem);align-items:start;margin-bottom:clamp(2rem,5vw,4rem)}.section-number{color:var(--muted);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9rem}.capability-list{border-top:1px solid var(--line)}.capability{display:grid;grid-template-columns:5.5rem minmax(9rem,.7fr) minmax(16rem,1fr) 8rem;gap:1.25rem;align-items:start;padding:clamp(1.25rem,3vw,2rem) 0;border-bottom:1px solid var(--line-soft);transition:background .18s ease,padding-inline .18s ease}.capability:hover{padding-inline:1rem;background:#ffffff06}.capability__index{color:var(--muted);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.capability h3,.capability p{margin:0}.capability p{color:var(--muted-strong)}.capability strong{color:var(--accent-strong);font-size:.92rem}.dark-band{width:100%;max-width:none;margin:0;background:#010203;border-block:1px solid var(--line-soft)}.dark-band>*{width:min(100%,calc(var(--max) + var(--pad) * 2));margin-inline:auto}.scenario-board{display:grid;grid-template-columns:minmax(0,.78fr) minmax(0,1fr);gap:clamp(2rem,5vw,4rem)}.scenario-board__copy p{max-width:38rem;color:var(--muted-strong);font-size:clamp(1.05rem,2vw,1.35rem)}.scenario-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line-soft);border:1px solid var(--line-soft)}.scenario-grid span{min-height:6.5rem;display:flex;align-items:end;padding:1rem;background:#020508;color:var(--ink-strong);font-weight:620}.delivery-grid,.value-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1px;background:var(--line-soft);border:1px solid var(--line-soft)}.delivery-step,.value-card{min-height:18rem;padding:clamp(1.2rem,3vw,1.8rem);background:var(--bg)}.delivery-step span,.value-card span{display:block;margin-bottom:4rem;color:var(--muted);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.delivery-step p,.value-card p{color:var(--muted-strong)}.value-section{padding-top:clamp(2rem,5vw,4rem)}.demo-section{display:grid;grid-template-columns:minmax(0,.8fr) minmax(320px,.72fr);gap:clamp(2rem,6vw,5rem);align-items:start}.demo-copy{position:sticky;top:7rem}.demo-copy p:last-child{max-width:38rem;color:var(--muted-strong);font-size:1.1rem}.demo-form{display:grid;gap:1rem;padding:clamp(1rem,3vw,1.5rem);border:1px solid var(--line);background:var(--bg-elevated)}.demo-form label{display:grid;gap:.45rem}.demo-form span{color:var(--muted-strong);font-size:.9rem}.demo-form input,.demo-form textarea{width:100%;border:1px solid var(--line);background:#020406;color:var(--ink);padding:.9rem 1rem;border-radius:0;outline:none;resize:vertical}.demo-form input::placeholder,.demo-form textarea::placeholder{color:#7d8890}.demo-form input:focus,.demo-form textarea:focus{border-color:var(--accent)}.form-status{min-height:1.6rem;margin:0;color:var(--accent-strong);font-size:.92rem}.site-footer{width:min(100%,calc(var(--max) + var(--pad) * 2));margin:0 auto;padding:2rem var(--pad) 3rem;display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;border-top:1px solid var(--line-soft);color:var(--muted)}.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease),transform .7s var(--ease)}.reveal.is-visible{opacity:1;transform:translateY(0)}@keyframes pulse{0%,to{transform:scale(1);box-shadow:0 0 oklch(.76 .15 197 / .42)}50%{transform:scale(1.35);box-shadow:0 0 0 8px oklch(.76 .15 197 / 0)}}@media(max-width:900px){.desktop-nav,.nav-cta{display:none}.menu-toggle{display:block;margin-left:auto}.hero,.demo-section,.scenario-board{grid-template-columns:1fr}.hero{min-height:auto;padding-top:calc(var(--header) + 3rem)}.ops-panel{max-width:42rem}.capability{grid-template-columns:4rem minmax(0,1fr)}.capability p,.capability strong{grid-column:2}.demo-copy{position:static}}@media(max-width:620px){:root{--header: 64px;--pad: 1rem}body:before{background-size:48px 48px}.brand-mark{width:2.1rem}.section-pad{padding-block:4.5rem}h1{max-width:8em;font-size:clamp(2.45rem,13vw,4rem)}h2{font-size:clamp(2rem,10vw,3.2rem)}.hero-actions,.button{width:100%}.ops-grid,.scenario-grid{grid-template-columns:1fr}.signal-card{min-height:6.5rem}.graph-card{min-height:11rem}.intro-strip{justify-content:flex-start}.section-heading,.capability{grid-template-columns:1fr}.capability p,.capability strong{grid-column:auto}.scenario-grid span{min-height:5rem}.delivery-step,.value-card{min-height:14rem}.delivery-step span,.value-card span{margin-bottom:2.5rem}.site-footer{display:grid}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:1ms!important;animation-iteration-count:1!important;transition-duration:1ms!important}.reveal{opacity:1;transform:none}}