:root{--brand:#1a237e;--brand-deep:#12185a;--brand-soft:#3d4db8;--accent:#2f6bff;--bg:#f5f7fc;--bg-white:#fff;--ink:#12152a;--muted:#5b6478;--line:rgba(26,35,126,.12);--line-strong:rgba(26,35,126,.22);--shadow:0 18px 50px rgba(26,35,126,.08);--font-display:"Noto Sans SC","PingFang SC",sans-serif;--font-body:"Space Grotesk","Noto Sans SC","PingFang SC",sans-serif;--max:1120px;--header-h:76px}*,:after,:before{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;color:var(--ink);font-family:var(--font-body);font-size:16px;line-height:1.65;background:radial-gradient(900px 480px at 88% -8%,rgba(47,107,255,.12),transparent 55%),radial-gradient(700px 420px at 0 12%,rgba(26,35,126,.08),transparent 50%),linear-gradient(180deg,#eef2fb 0,var(--bg) 38%,#fff 100%);overflow-x:hidden}a{color:inherit;text-decoration:none}img{display:block;max-width:100%;height:auto}.site-header{position:-webkit-sticky;position:sticky;top:0;z-index:40;height:var(--header-h);display:flex;align-items:center;justify-content:space-between;gap:1.5rem;padding:0 clamp(1.25rem,4vw,3rem);background:hsla(0,0%,100%,.82);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.brand-logo{width:clamp(120px,18vw,150px);height:auto}.nav{display:flex;gap:1.75rem;font-size:.95rem;font-weight:500;color:var(--muted)}.nav a:hover{color:var(--brand)}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:.7rem 1.3rem;border-radius:2px;font-size:.92rem;font-weight:600;letter-spacing:.02em;transition:transform .25s ease,background .25s ease,border-color .25s ease,box-shadow .25s ease,color .25s ease}.btn:hover{transform:translateY(-1px)}.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 28px rgba(26,35,126,.22)}.btn-primary:hover{background:var(--brand-soft)}.btn-ghost{border:1px solid var(--line-strong);color:var(--brand);background:hsla(0,0%,100%,.55)}.btn-ghost:hover{border-color:var(--brand);background:rgba(26,35,126,.05)}.hero{position:relative;min-height:calc(100vh - 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2.5rem,var(--max));margin:0 auto;padding:clamp(4rem,9vw,6.5rem) 0;border-top:1px solid var(--line)}.section-head{max-width:36rem;margin-bottom:2.25rem}.section-head h2{margin:0 0 .7rem;font-family:var(--font-display);font-size:clamp(1.45rem,2.4vw,1.9rem);font-weight:700;letter-spacing:.04em;color:var(--brand-deep)}.section-head p{margin:0;color:var(--muted)}.capability-list{list-style:none;margin:0;padding:0}.capability-list li{display:grid;grid-template-columns:minmax(7rem,10rem) 1fr;grid-gap:1.25rem;gap:1.25rem;padding:1.45rem 0;border-top:1px solid var(--line)}.capability-list li:last-child{border-bottom:1px solid var(--line)}.capability-list h3{margin:0;font-size:1rem;font-weight:700;color:var(--brand);letter-spacing:.03em}.capability-list p{margin:0;color:var(--muted)}.section-focus .focus-strip{padding:1.75rem 1.5rem;border-left:3px solid var(--brand);background:linear-gradient(90deg,rgba(26,35,126,.06),transparent 75%);box-shadow:var(--shadow)}.section-focus .focus-strip p{margin:0;max-width:42rem;font-size:1.06rem;color:var(--ink)}.metrics-list{list-style:none;margin:2rem 0 0;padding:0;display:grid;grid-gap:0;gap:0;border-top:1px solid var(--line)}.metrics-list li{display:grid;grid-gap:.35rem;gap:.35rem;padding:1.25rem 0;border-bottom:1px solid var(--line)}.metrics-list strong{font-size:1.12rem;font-weight:700;color:var(--brand-deep);letter-spacing:.02em}.metrics-list span{color:var(--muted);font-size:.95rem}.contact-line{display:flex;flex-wrap:wrap;gap:1rem 2rem;align-items:baseline;font-size:1.15rem}.contact-line a{color:var(--brand);font-weight:600;border-bottom:1px solid transparent}.contact-line a:hover{border-bottom-color:var(--brand)}.contact-line span{color:var(--muted);font-size:.95rem;letter-spacing:.08em}.site-footer{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.75rem;padding:1.5rem clamp(1.25rem,4vw,3rem) 2.5rem;border-top:1px solid var(--line);color:var(--muted);font-size:.85rem;background:var(--bg-white)}.footer-brand{display:flex;align-items:center;gap:.65rem}.footer-brand img{width:28px;height:28px}.footer-links{display:flex;flex-wrap:wrap;align-items:center;gap:.85rem 1.25rem}.footer-links a{color:var(--muted);border-bottom:1px solid transparent}.footer-links a:hover{color:var(--brand);border-bottom-color:var(--brand)}@keyframes grid-shift{0%{background-position:0 0,0 0}to{background-position:56px 56px,56px 56px}}@keyframes orb-breathe{0%,to{transform:scale(1);opacity:.9}50%{transform:scale(1.05);opacity:1}}@keyframes frame-in{to{opacity:1;transform:translate3d(0,-46%,0)}}@keyframes edge-flow{to{stroke-dashoffset:-72}}@keyframes edge-pulse{0%,to{stroke-opacity:.45;stroke-width:1.4}50%{stroke-opacity:1;stroke-width:2.1}}@keyframes token-in{to{opacity:1;transform:translateY(0)}}@keyframes cursor-blink{0%,49%{opacity:1}50%,to{opacity:0}}@keyframes layer-breathe{0%,to{transform:scaleX(.92);opacity:.65}50%{transform:scaleX(1);opacity:1}}@keyframes copy-in{to{opacity:1;transform:translateY(0)}}@media (max-width:800px){.nav{display:none}.capability-list li{grid-template-columns:1fr;gap:.35rem}.llm-stage{width:min(72vw,320px);right:-2%;opacity:.55;pointer-events:none}.token-rail{display:none}.hero{align-items:end;padding-bottom:3.5rem}}@media (prefers-reduced-motion:reduce){*,:after,:before{animation:none!important;transition:none!important}.hero-copy,.llm-stage{opacity:1;transform:none}.llm-stage{transform:translateY(-46%)}.token{opacity:1;transform:none}.attn-graph animate{display:none}}.page-section{padding-top:clamp(3rem,7vw,5rem)}.page-section h1{margin:0 0 .7rem;font-family:var(--font-display);font-size:clamp(1.55rem,2.6vw,2.1rem);font-weight:700;letter-spacing:.04em;color:var(--brand-deep)}.page-actions{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:2.5rem}.contact-form{margin-top:2rem;max-width:520px;display:grid;grid-gap:1rem;gap:1rem}.contact-form label{display:grid;grid-gap:.4rem;gap:.4rem;font-size:.92rem;font-weight:600;color:var(--brand-deep)}.contact-form input,.contact-form textarea{width:100%;border:1px solid var(--line-strong);border-radius:2px;padding:.75rem .85rem;font:inherit;color:var(--ink);background:hsla(0,0%,100%,.9)}.contact-form input:focus,.contact-form textarea:focus{outline:2px solid rgba(47,107,255,.35);border-color:var(--accent)}.contact-form .btn{justify-self:start;border:none;cursor:pointer}.contact-form .btn:disabled{opacity:.7;cursor:wait}.form-msg{margin:0;font-size:.92rem}.form-msg.is-ok{color:#1b7a4a}.form-msg.is-error{color:#b42318}.nav a[aria-current=page]{color:var(--brand)}