:root{--bg:#08080A;--ink:#F4F3EF;--muted:#A2A6AD;--faint:#6A6E76;--line:#23252B;
--f-d:"Space Grotesk",sans-serif;--f-b:"Inter",sans-serif;--f-m:"IBM Plex Mono",monospace;
--sx-blue:#1E92E6;--ease:cubic-bezier(.4,0,.2,1)}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:var(--f-b);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%}a{color:inherit;text-decoration:none}
.mono{font-family:var(--f-m);text-transform:uppercase;letter-spacing:.22em;font-size:.66rem}
.eyebrow{font-family:var(--f-m);text-transform:uppercase;letter-spacing:.22em;font-size:.68rem;color:var(--sx-blue)}
/* topbar */
.top{position:sticky;top:0;z-index:60;display:flex;align-items:center;justify-content:space-between;padding:.8rem clamp(1.1rem,4vw,3rem);background:rgba(8,8,10,.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.top__brand{display:flex;align-items:center;gap:.7rem}
.top__brand img{height:68px;width:auto}
.top__brand .x{font-family:var(--f-m);color:var(--faint);font-size:1.7rem;letter-spacing:.2em}
.top__brand .who{font-family:var(--f-m);text-transform:uppercase;letter-spacing:.14em;font-size:1.425rem;color:var(--sx-blue)}
.top .meta{font-family:var(--f-m);text-transform:uppercase;letter-spacing:.22em;font-size:.6rem;color:var(--faint)}
/* selector */
.strip{position:sticky;top:94px;z-index:55;display:flex;gap:clamp(1rem,3.5vw,2.4rem);flex-wrap:wrap;align-items:center;justify-content:center;padding:.7rem 1rem;background:rgba(8,8,10,.82);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.navlogo{display:inline-flex;align-items:center;opacity:.8;transition:opacity .2s var(--ease),transform .2s var(--ease)}
.navlogo:hover{opacity:1;transform:translateY(-1px)}
.navlogo img{height:34px;width:auto;display:block}
@media(max-width:640px){.navlogo img{height:27px}}
/* hero – full-bleed five-badge montage */
.hero{position:relative;min-height:84vh;display:flex;align-items:flex-end;overflow:hidden;isolation:isolate}
.hero__bg{position:absolute;inset:0;z-index:-2;display:flex;will-change:transform;animation:heroDrift 34s ease-in-out infinite alternate}
.hero__bg .slice{position:relative;flex:1 1 0;overflow:hidden}
.hero__bg .slice::after{content:"";position:absolute;inset:0;box-shadow:inset -1px 0 0 rgba(255,255,255,.04)}
.hero__bg .slice img{width:100%;height:100%;object-fit:cover;filter:saturate(.92) brightness(.72) contrast(1.02)}
.hero__scrim{position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(8,8,12,.68) 0%,rgba(8,8,12,.42) 34%,rgba(8,8,12,.72) 78%,rgba(8,8,12,.92) 100%),radial-gradient(130% 100% at 16% 108%,rgba(8,8,12,.66),transparent 60%)}
.hero__inner{width:100%;max-width:1120px;margin:0 auto;padding:clamp(3rem,7vw,5.5rem) clamp(1.1rem,4vw,3rem) clamp(2.5rem,5vw,4rem)}
.hero .kick{color:#8FD0FF;margin-bottom:1.1rem}
.hero h1{font-family:var(--f-d);font-weight:700;font-size:clamp(2.4rem,7.4vw,5.4rem);line-height:.96;letter-spacing:-.02em;margin-bottom:1.4rem;text-shadow:0 2px 44px rgba(0,0,0,.55)}
.hero h1 em{font-style:normal;color:#8FD0FF}
.hero p{color:#E4E8EE;max-width:66ch;font-size:clamp(1.02rem,1.4vw,1.22rem);line-height:1.66;margin-bottom:1rem;text-shadow:0 1px 16px rgba(0,0,0,.5)}
.hero p strong{color:#fff;font-weight:600}
@keyframes heroDrift{from{transform:scale(1.05)}to{transform:scale(1.12) translateY(-1.4%)}}
@media(max-width:640px){.hero__bg .slice:nth-child(n+4){display:none}}
/* reconnection */
.recon{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#0B0B0E}
.recon__grid{max-width:1120px;margin:0 auto;padding:clamp(2.5rem,5vw,4.5rem) clamp(1.1rem,4vw,3rem);display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(2rem,4vw,3.5rem);align-items:center}
.recon h2{font-family:var(--f-d);font-weight:600;font-size:clamp(1.7rem,3.4vw,2.6rem);line-height:1.02;letter-spacing:-.02em;margin:1rem 0 1.2rem}
.recon p{color:var(--muted);font-size:1.06rem;line-height:1.7;margin-bottom:1rem;max-width:56ch}
.recon p strong{color:var(--ink);font-weight:600}
.recon__photo{border:1px solid var(--line-2,#2E323A);background:#111}
.recon__photo img{width:100%;height:auto;display:block}
.recon__photo figcaption{padding:.75rem 1rem;font-family:var(--f-m);font-size:.62rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);border-top:1px solid var(--line)}
@media(max-width:820px){.recon__grid{grid-template-columns:1fr}}
/* brand section */
.brand{position:relative;min-height:100vh;display:flex;align-items:flex-end;overflow:hidden;isolation:isolate;padding-top:6rem}
.brand__img{position:absolute;inset:0;z-index:-2;overflow:hidden}.brand__img img{width:100%;height:100%;object-fit:cover;object-position:var(--objpos,center 30%);will-change:transform;animation:slowZoom 30s ease-in-out infinite alternate}
@keyframes slowZoom{from{transform:scale(1.03)}to{transform:scale(1.1)}}
@media(prefers-reduced-motion:reduce){.hero__bg,.brand__img img{animation:none}}
.brand__scrim{position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,var(--scrim1) 0%,var(--scrim2) 44%,rgba(8,8,10,.42) 80%,rgba(8,8,10,.15) 100%),linear-gradient(0deg,var(--scrim1) 0%,transparent 52%)}
.brand__wm{position:absolute;top:clamp(3rem,8vw,6rem);right:-1vw;z-index:-1;font-family:var(--f-d);font-weight:700;font-size:min(38vw,520px);line-height:.7;letter-spacing:-.04em;color:rgba(255,255,255,.05)}
.brand__inner{width:100%;max-width:1200px;margin:0 auto;padding:0 clamp(1.1rem,4vw,3rem) clamp(2.5rem,6vw,4.5rem)}
.brand__crest{display:inline-flex;align-items:center;gap:.6rem;margin-bottom:1rem}
.brand__crest .badge{width:38px;height:38px;border-radius:7px;display:grid;place-items:center;font-family:var(--f-d);font-weight:700;font-size:.82rem;background:var(--badge);color:var(--badgefg)}
.crest-chip{display:inline-grid;place-items:center;width:62px;height:62px;background:#fff;border-radius:11px;box-shadow:0 3px 20px rgba(0,0,0,.4)}
.crest-chip img{width:100%;height:100%;object-fit:contain;display:block}
.brand__eye{display:flex;align-items:center;gap:.8rem;margin-bottom:.9rem}
.brand__idx{font-family:var(--f-d);font-weight:700;font-size:1rem;color:#fff}
.brand__tag{font-family:var(--f-m);text-transform:uppercase;letter-spacing:.2em;font-size:.61rem;color:#fff;opacity:.85;padding-left:.8rem;border-left:1px solid rgba(255,255,255,.4)}
.brand__name{font-family:var(--f-d);font-weight:700;text-transform:uppercase;line-height:.88;letter-spacing:-.02em;font-size:clamp(2.4rem,7.5vw,6rem);color:#fff;margin-bottom:1rem;text-shadow:0 2px 40px rgba(0,0,0,.5)}
.brand__accent{width:64px;height:5px;margin-bottom:1.3rem;border-radius:2px;background:var(--accent)}
.brand__body{max-width:64ch}
.brand__sum{font-size:clamp(1.02rem,1.35vw,1.2rem);line-height:1.6;color:#EEF1F5;margin-bottom:1.1rem}.brand__sum b{color:#fff;font-weight:600}
.brand__hook{font-size:clamp(1.02rem,1.35vw,1.2rem);line-height:1.6;font-weight:500;margin-bottom:1.4rem;color:var(--hook)}
.brand__fit{list-style:none;margin:0 0 1.8rem;padding:0;display:grid;gap:.55rem;max-width:58ch}
.brand__fit li{position:relative;padding-left:1.5rem;font-size:.98rem;line-height:1.5;color:#E4E8EE}
.brand__fit li::before{content:"";position:absolute;left:0;top:.55em;width:8px;height:8px;border-radius:2px;background:var(--bullet)}
.brand__meta{display:flex;flex-wrap:wrap;gap:1.6rem;margin-bottom:1.9rem}
.brand__stat .n{font-family:var(--f-d);font-weight:700;font-size:clamp(1.5rem,3vw,2.1rem);color:#fff;line-height:1}
.brand__stat .l{font-family:var(--f-m);text-transform:uppercase;letter-spacing:.13em;font-size:.57rem;color:rgba(255,255,255,.7);margin-top:.35rem}
.enter{display:inline-flex;align-items:center;gap:.7rem;font-family:var(--f-m);text-transform:uppercase;letter-spacing:.16em;font-size:.74rem;padding:1rem 1.7rem;border-radius:4px;background:var(--ebg);color:var(--efg);transition:.2s var(--ease)}
.enter .arw{transition:transform .2s var(--ease)}.enter:hover .arw{transform:translateX(4px)}
.enter--soon{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.25);color:#fff;cursor:default}
.enter--soon .sub{opacity:.6;margin-left:.4rem}
/* science */
.sci{max-width:1120px;margin:0 auto;padding:clamp(3rem,6vw,5.5rem) clamp(1.1rem,4vw,3rem)}
.sci h2{font-family:var(--f-d);font-weight:600;font-size:clamp(1.7rem,3.4vw,2.6rem);letter-spacing:-.02em;margin:1rem 0 1rem;line-height:1.02}
.sci .lede{color:var(--ink);font-size:clamp(1.05rem,1.4vw,1.25rem);line-height:1.6;max-width:64ch;margin-bottom:2rem}
.ctable{width:100%;border-collapse:collapse;font-size:.9rem;margin-bottom:2.2rem}
.ctable th,.ctable td{text-align:left;padding:.8rem .9rem;border-bottom:1px solid var(--line);vertical-align:top}
.ctable thead th{font-family:var(--f-m);font-size:.6rem;letter-spacing:.15em;text-transform:uppercase;color:var(--faint);font-weight:400;border-bottom:1px solid #2E323A}
.ctable tbody th{font-family:var(--f-m);font-size:.62rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:400;white-space:nowrap}
.ctable td{color:var(--muted)}
.ctable .cft{color:var(--ink);border-left:1px solid var(--sx-blue);background:linear-gradient(180deg,rgba(30,146,230,.08),transparent)}
.ctable thead .cft{color:var(--sx-blue)}
.ctable-wrap{overflow-x:auto}
@media(max-width:640px){.ctable{min-width:620px}}
.quote{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:clamp(1.8rem,3.5vw,2.6rem) 0;display:grid;grid-template-columns:auto 1fr;gap:1.4rem;align-items:start}
.quote img{width:60px;height:60px;border-radius:50%;object-fit:cover;object-position:center 25%;filter:grayscale(.25);border:1px solid #2E323A}
.quote blockquote{font-family:var(--f-d);font-weight:400;font-size:clamp(1.2rem,2.2vw,1.65rem);line-height:1.35;color:var(--ink);letter-spacing:-.01em;max-width:30ch}
.quote .by{font-family:var(--f-m);font-size:.62rem;letter-spacing:.15em;text-transform:uppercase;color:var(--sx-blue);margin-top:.9rem}
.quote .by span{color:var(--faint)}
@media(max-width:560px){.quote{grid-template-columns:1fr}}
.note{margin-top:1.8rem;font-family:var(--f-m);font-size:.64rem;line-height:1.9;letter-spacing:.04em;color:var(--faint);max-width:74ch}
/* white-paper library */
.papers{border-top:1px solid var(--line);background:#0B0B0E}
.papers__in{max-width:1120px;margin:0 auto;padding:clamp(3rem,6vw,5rem) clamp(1.1rem,4vw,3rem)}
.papers h2{font-family:var(--f-d);font-weight:600;font-size:clamp(1.7rem,3.4vw,2.6rem);letter-spacing:-.02em;line-height:1.02;margin:1rem 0 1rem}
.papers .lede{color:var(--muted);font-size:clamp(1.02rem,1.35vw,1.18rem);line-height:1.6;max-width:64ch;margin-bottom:2rem}
.papers__feature{display:grid;grid-template-columns:1fr auto;align-items:center;gap:1.4rem;background:linear-gradient(120deg,rgba(30,146,230,.12),rgba(30,146,230,.02));border:1px solid #23303f;border-left:3px solid var(--sx-blue);border-radius:8px;padding:1.5rem 1.6rem;margin-bottom:2.2rem}
.papers__feature .k{font-family:var(--f-m);text-transform:uppercase;letter-spacing:.18em;font-size:.6rem;color:var(--sx-blue);margin-bottom:.4rem}
.papers__feature h3{font-family:var(--f-d);font-weight:600;font-size:1.35rem;color:var(--ink);margin-bottom:.4rem;line-height:1.1}
.papers__feature p{color:var(--muted);font-size:.95rem;line-height:1.55;max-width:64ch;margin:0}
.papers__grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:8px;overflow:hidden}
.pcard{background:var(--bg);padding:1.4rem 1.35rem;display:flex;flex-direction:column;transition:background .2s var(--ease)}
.pcard:hover{background:#0f1013}
.pcard__n{font-family:var(--f-m);font-size:.58rem;letter-spacing:.18em;text-transform:uppercase;color:var(--faint);margin-bottom:.7rem}
.pcard__t{font-family:var(--f-d);font-weight:600;font-size:1.06rem;color:var(--ink);line-height:1.18;margin-bottom:.55rem}
.pcard__d{font-size:.88rem;line-height:1.5;color:var(--muted);flex-grow:1;margin-bottom:1rem}
.pdl{display:inline-flex;align-items:center;gap:.45rem;font-family:var(--f-m);text-transform:uppercase;letter-spacing:.13em;font-size:.6rem;color:var(--sx-blue);align-self:flex-start}
.pdl .arw{transition:transform .2s var(--ease)}.pcard:hover .pdl .arw{transform:translateX(3px)}
.dlbtn{display:inline-flex;align-items:center;gap:.6rem;white-space:nowrap;font-family:var(--f-m);text-transform:uppercase;letter-spacing:.14em;font-size:.66rem;padding:.85rem 1.4rem;border-radius:4px;background:var(--sx-blue);color:#04121F;transition:.2s var(--ease)}
.dlbtn:hover{background:#3aa6f2}
@media(max-width:640px){.papers__feature{grid-template-columns:1fr}}
/* contact */
.contact{border-top:1px solid var(--line);background:#0B0B0E}
.contact__in{max-width:1120px;margin:0 auto;padding:clamp(3rem,6vw,5rem) clamp(1.1rem,4vw,3rem)}
.contact h2{font-family:var(--f-d);font-weight:700;font-size:clamp(1.8rem,4vw,3rem);letter-spacing:-.02em;line-height:1;margin:1rem 0 1.2rem}
.contact h2 em{font-style:normal;color:var(--sx-blue)}
.contact p{color:var(--muted);font-size:clamp(1.02rem,1.35vw,1.2rem);line-height:1.6;max-width:60ch;margin-bottom:2rem}
.contact p strong{color:var(--ink);font-weight:600}
.reply{display:grid;grid-template-columns:1fr;gap:1px;background:var(--line);border:1px solid var(--line);margin-bottom:2rem}
.reply__c{background:var(--bg);padding:1.5rem 1.4rem}
.reply__k{font-family:var(--f-m);font-size:.6rem;letter-spacing:.18em;text-transform:uppercase;color:var(--faint)}
.reply__v{font-family:var(--f-d);font-weight:600;font-size:1.35rem;color:var(--ink);margin:.55rem 0 .5rem}
.reply__c a{color:var(--sx-blue)}.reply__c p{color:var(--muted);font-size:.95rem;line-height:1.6;margin:0}
.cta{display:inline-flex;align-items:center;gap:.7rem;font-family:var(--f-m);text-transform:uppercase;letter-spacing:.16em;font-size:.74rem;padding:1.05rem 1.8rem;background:var(--sx-blue);color:#04121F;border-radius:4px;transition:.2s var(--ease)}
.cta:hover{background:#3aa6f2;transform:translateY(-1px)}
@media(max-width:600px){.reply{grid-template-columns:1fr}}
/* footer */
.foot{border-top:1px solid var(--line);padding:clamp(2.5rem,5vw,3.5rem) clamp(1.1rem,4vw,3rem);max-width:1200px;margin:0 auto;display:flex;flex-wrap:wrap;justify-content:space-between;gap:1.5rem;align-items:flex-start}
.foot__brand img{height:26px;opacity:.9;margin-bottom:.7rem}
.foot__brand p{color:var(--faint);font-size:.85rem;max-width:32ch}
.foot__c{font-family:var(--f-m);font-size:.66rem;line-height:2;color:var(--muted)}.foot__c a:hover{color:var(--sx-blue)}
.foot__note{width:100%;border-top:1px solid var(--line);padding-top:1.1rem;font-family:var(--f-m);font-size:.57rem;letter-spacing:.12em;text-transform:uppercase;color:var(--faint)}
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-visible,.reveal{opacity:1;transform:translateY(0)}