/* ============================================================
   MFP · RESEARCH — shared stylesheet (v2, multi-page)
   Identity: near-black research lab, ivory text, electric cyan.
   Performance contract: only transform + opacity are animated.
   ============================================================ */

/* ============ TOKENS ============ */
:root{
  --bg:#050507;
  --bg-2:#0a0a0e;
  --panel:rgba(13,13,18,.78);        /* replaces glass blur: solid translucent */
  --ivory:#f2f0ea;
  --ivory-dim:rgba(242,240,234,.64);
  --ivory-faint:rgba(242,240,234,.5);
  --accent:#31e8ff;
  --accent-dim:rgba(49,232,255,.35);
  --line:rgba(242,240,234,.09);
  --line-strong:rgba(242,240,234,.16);
  --font-display:"Space Grotesk",ui-sans-serif,system-ui,sans-serif;
  --font-body:"Inter",ui-sans-serif,system-ui,sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --pad:clamp(1.25rem,4vw,4.5rem);
  --ease:cubic-bezier(.22,1,.36,1);
}
*{margin:0;padding:0;box-sizing:border-box}
body{
  background:var(--bg);
  color:var(--ivory);
  font-family:var(--font-body);
  font-weight:300;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
::selection{background:var(--accent);color:#050507}
a{color:inherit;text-decoration:none}
button{font:inherit;background:none;border:none;color:inherit;cursor:pointer}
img,svg{max-width:100%;display:block}
.mono{font-family:var(--font-mono)}

/* native cursors everywhere; visible keyboard focus */
a,button,summary{cursor:pointer}
:focus{outline:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:1px}

::-webkit-scrollbar{width:5px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:rgba(242,240,234,.18)}
::-webkit-scrollbar-thumb:hover{background:var(--accent-dim)}

/* ============ GRAIN (static texture — no animation) ============ */
.grain{
  position:fixed;inset:0;z-index:9990;pointer-events:none;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ============ SCROLL PROGRESS ============ */
.scroll-progress{
  position:fixed;top:0;left:0;height:2px;width:100%;z-index:9980;
  transform-origin:0 50%;transform:scaleX(0);
  background:linear-gradient(90deg,var(--accent),rgba(49,232,255,.4));
  pointer-events:none;
}

/* ============ PRELOADER (first visit per session only) ============ */
.preloader{
  position:fixed;inset:0;z-index:10000;background:var(--bg);
  display:none;align-items:flex-end;overflow:hidden;
  transition:transform .35s cubic-bezier(.7,0,.3,1),opacity .3s ease;
}
html.preload .preloader{display:flex}
html.preload{overflow:hidden}
.preloader.is-done{transform:translateY(-100%);opacity:.6}
.preloader-inner{width:100%;padding:var(--pad);display:flex;justify-content:space-between;align-items:flex-end;gap:2rem}
.pre-count{font-family:var(--font-display);font-weight:600;font-size:clamp(4rem,14vw,10rem);line-height:.85;letter-spacing:-.04em;font-variant-numeric:tabular-nums}
.pre-count sup{font-size:.18em;color:var(--accent);font-family:var(--font-mono);font-weight:400;letter-spacing:.1em;vertical-align:super}
.pre-log{font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--ivory-dim);text-align:right;min-height:3em}
.pre-log .lg-line{display:block}
.pre-log .lg-line b{color:var(--accent);font-weight:400}
.pre-bar{position:absolute;left:0;bottom:0;height:2px;width:100%;background:var(--line)}
.pre-bar i{position:absolute;inset:0;background:var(--accent);transform-origin:0 50%;transform:scaleX(0)}

/* ============ PAGE TRANSITIONS ============ */
main{animation:pageIn .22s ease both}
@keyframes pageIn{from{opacity:0}to{opacity:1}}
body{transition:opacity .18s ease}
html.page-exit body{opacity:0}

/* ============ NAV ============ */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:900;
  display:flex;justify-content:space-between;align-items:center;gap:1rem;
  padding:.55rem var(--pad);
  border-bottom:1px solid transparent;
  transition:border-color .3s,background .3s;
}
.nav.is-solid{background:rgba(5,5,7,.94);border-bottom-color:var(--line)}
.nav-logo{font-family:var(--font-mono);font-size:13px;letter-spacing:.22em;padding:.7rem 0;display:inline-flex;align-items:center;min-height:44px}
.nav-logo b{color:var(--accent);font-weight:400}
.nav-links{display:flex;gap:clamp(.2rem,2vw,1.4rem);font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase}
.nav-links a{
  color:var(--ivory-dim);transition:color .25s;position:relative;
  padding:.8rem .5rem;display:inline-flex;align-items:center;min-height:44px;
}
.nav-links a:hover{color:var(--ivory)}
.nav-links a::after{
  content:"";position:absolute;left:.5rem;right:.5rem;bottom:.55rem;height:1px;
  background:var(--accent);transform:scaleX(0);transform-origin:0 50%;transition:transform .35s var(--ease);
}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a[aria-current="page"]{color:var(--ivory)}
.nav-links a[aria-current="page"]::after{transform:scaleX(1)}
@media(max-width:480px){
  .nav-links{gap:.1rem}
  .nav-links a{padding:.8rem .4rem;font-size:10px;letter-spacing:.08em}
}

/* ============ REVEAL SYSTEM (IntersectionObserver adds .in) ============ */
.rv{opacity:0;transform:translateY(28px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.rv.in{opacity:1;transform:none}
html.no-js .rv,html.no-motion .rv{opacity:1;transform:none;transition:none}

/* ============ GENERIC SECTION ============ */
main{display:block;padding-top:4.2rem}
section{position:relative}
.sec-head{
  display:flex;align-items:baseline;gap:1.5rem;
  padding:0 var(--pad);margin-bottom:clamp(2rem,5vw,4rem);
}
.sec-num{font-family:var(--font-mono);font-size:12px;letter-spacing:.2em;color:var(--accent)}
.sec-title{
  font-family:var(--font-display);font-weight:500;letter-spacing:-.03em;line-height:1;
  font-size:clamp(2rem,5.5vw,4.5rem);text-transform:uppercase;
}
.sec-pad{padding-left:var(--pad);padding-right:var(--pad)}
.hairline-top{border-top:1px solid var(--line)}

.u-sweep{background-image:linear-gradient(currentColor,currentColor);background-repeat:no-repeat;background-size:0% 1px;background-position:0 100%;transition:background-size .45s var(--ease),color .3s;padding-bottom:2px}
.u-sweep:hover{background-size:100% 1px}

/* ============ HERO (home) ============ */
.hero{min-height:calc(100svh - 4.2rem);display:flex;flex-direction:column;justify-content:flex-end;overflow:hidden;margin-top:-4.2rem;padding-top:4.2rem}
#webgl{position:absolute;inset:0;width:100%;height:100%;z-index:0;opacity:0;transition:opacity 1.4s ease}
#webgl.is-on{opacity:1}
.hero-fallback-glow{position:absolute;top:8%;right:-12%;width:60vw;height:60vw;z-index:0;pointer-events:none;background:radial-gradient(circle,rgba(49,232,255,.07) 0%,transparent 62%)}
.hero-inner{position:relative;z-index:2;padding:0 var(--pad);width:100%}
.hero-meta-top{
  display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--ivory-dim);
  padding:5.5rem 0 1.6rem;border-bottom:1px solid var(--line);
}
.hero-meta-top .acc{color:var(--accent)}
.hero-name{
  font-family:var(--font-display);font-weight:600;text-transform:uppercase;
  font-size:clamp(2.9rem,10.5vw,10rem);line-height:.92;letter-spacing:-.045em;
  margin:clamp(1.4rem,3vw,2.6rem) 0 clamp(1.2rem,2.5vw,2.2rem);
}
.hero-name .h-line{display:block;overflow:hidden}
.hero-name .h-line>span{display:block;transform:translateY(112%);transition:transform .8s var(--ease)}
.hero-name .h-line:nth-child(2)>span{transition-delay:.08s}
.hero-name .h-line:nth-child(3)>span{transition-delay:.16s}
html.ready .hero-name .h-line>span{transform:none}
html.no-motion .hero-name .h-line>span,html.no-js .hero-name .h-line>span{transform:none;transition:none}
.hero-name .thin{font-weight:300;color:var(--ivory-dim)}
.hero-name .accent-dot{color:var(--accent);font-style:normal}
.hero-sub{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:2rem;align-items:end;padding-bottom:clamp(1.6rem,2.5vw,2.4rem)}
@media(max-width:860px){.hero-sub{grid-template-columns:1fr;gap:1.2rem}}
.hero-statement{font-family:var(--font-display);font-weight:400;font-size:clamp(1.1rem,2vw,1.6rem);line-height:1.35;letter-spacing:-.01em;max-width:34ch}
.hero-statement em{font-style:normal;color:var(--accent)}
.hero-interests{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.08em;line-height:2;color:var(--ivory-dim);text-transform:uppercase}
.hero-interests b{color:var(--ivory);font-weight:400}
.hero-cta{display:flex;gap:.9rem;flex-wrap:wrap;padding-bottom:clamp(1.8rem,3.5vw,3rem)}
.hero-fade{opacity:0;transition:opacity .7s ease .35s}
html.ready .hero-fade{opacity:1}
html.no-motion .hero-fade,html.no-js .hero-fade{opacity:1;transition:none}
.hero-bottom{
  position:relative;z-index:2;display:flex;justify-content:space-between;align-items:center;gap:1rem;
  padding:1rem var(--pad);border-top:1px solid var(--line);
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--ivory-faint);
}
.scroll-hint{display:flex;align-items:center;gap:.7rem}
.scroll-hint .tick{display:inline-block;width:1px;height:26px;background:var(--ivory-dim);overflow:hidden;position:relative}
html.js:not(.no-motion) .scroll-hint .tick::after{content:"";position:absolute;left:0;top:-100%;width:100%;height:100%;background:var(--accent);animation:scrollTick 1.6s cubic-bezier(.65,0,.35,1) infinite}
@keyframes scrollTick{0%{top:-100%}55%{top:0}100%{top:100%}}

/* ============ BUTTONS ============ */
.btn{
  position:relative;display:inline-flex;align-items:center;gap:.8rem;overflow:hidden;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;
  padding:.95rem 1.7rem;min-height:44px;border:1px solid var(--line-strong);color:var(--ivory);
  transition:color .35s,border-color .35s;
}
.btn::before{content:"";position:absolute;inset:0;background:var(--ivory);transform:translateY(101%);transition:transform .5s var(--ease);z-index:0}
.btn>*{position:relative;z-index:1}
.btn:hover{color:#050507;border-color:var(--ivory)}
.btn:hover::before{transform:translateY(0)}
.btn .arrow{transition:transform .35s}
.btn:hover .arrow{transform:translate(3px,-3px)}
.btn--accent{border-color:var(--accent-dim);color:var(--accent)}
.btn--accent::before{background:var(--accent)}
.btn--accent:hover{color:#050507;border-color:var(--accent)}

/* ============ MARQUEE ============ */
.marquee{border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden;padding:1.05rem 0;background:var(--bg)}
.marquee-track{display:flex;width:max-content}
html.js:not(.no-motion) .marquee-track{animation:marquee 28s linear infinite;will-change:transform}
@keyframes marquee{to{transform:translateX(-50%)}}
.marquee-group{display:flex;align-items:center;white-space:nowrap}
.marquee-group span{font-family:var(--font-mono);font-size:12px;letter-spacing:.24em;text-transform:uppercase;color:var(--ivory-dim);padding:0 1.6rem}
.marquee-group i{font-style:normal;color:var(--accent);font-size:9px}

/* ============ METRICS STRIP ============ */
.metrics{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-2)}
.metrics-grid{display:grid;grid-template-columns:repeat(6,1fr)}
@media(max-width:1100px){.metrics-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:640px){.metrics-grid{grid-template-columns:repeat(2,1fr)}}
.metric{
  padding:clamp(1.5rem,2.6vw,2.4rem) clamp(1rem,2vw,1.8rem);
  border-right:1px solid var(--line);display:flex;flex-direction:column;gap:.6rem;min-width:0;
}
.metric:last-child{border-right:none}
@media(max-width:1100px){.metric:nth-child(3n){border-right:none}.metric:nth-child(-n+3){border-bottom:1px solid var(--line)}}
@media(max-width:640px){.metric{border-right:1px solid var(--line)}.metric:nth-child(2n){border-right:none}.metric:nth-child(-n+4){border-bottom:1px solid var(--line)}}
.metric-value{font-family:var(--font-display);font-weight:600;font-size:clamp(1.55rem,3vw,2.5rem);letter-spacing:-.03em;line-height:1;font-variant-numeric:tabular-nums;white-space:nowrap}
.metric-value .unit{font-size:.5em;color:var(--accent);font-family:var(--font-mono);font-weight:400;letter-spacing:.05em}
.metric-label{font-family:var(--font-mono);font-size:9.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--ivory-faint);line-height:1.7}

/* ============ RESEARCH CARDS (vertical) ============ */
.rx-list{display:flex;flex-direction:column;gap:clamp(1.5rem,3vw,2.5rem);padding:0 var(--pad)}
.rx-card{
  border:1px solid var(--line);background:var(--panel);
  display:flex;flex-direction:column;position:relative;
  transition:border-color .35s,transform .35s var(--ease);
}
.rx-card::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:0;transition:opacity .45s;
  background:radial-gradient(700px circle at 85% 0%,rgba(49,232,255,.07),transparent 45%);
}
.rx-card:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.rx-card:hover::after{opacity:1}
html.no-motion .rx-card:hover{transform:none}
.rx-card-head{
  display:flex;justify-content:space-between;align-items:baseline;gap:1rem;flex-wrap:wrap;
  padding:1.3rem clamp(1.3rem,3vw,2.4rem);border-bottom:1px solid var(--line);
}
.rx-id{font-family:var(--font-mono);font-size:12px;letter-spacing:.2em;color:var(--accent)}
.rx-status{font-family:var(--font-mono);font-size:10px;letter-spacing:.18em;color:var(--ivory-faint);text-transform:uppercase}
.rx-title{
  font-family:var(--font-display);font-weight:500;letter-spacing:-.02em;line-height:1.08;
  font-size:clamp(1.4rem,2.8vw,2.4rem);
  padding:clamp(1.3rem,2.5vw,2rem) clamp(1.3rem,3vw,2.4rem) 0;max-width:26ch;
}
.rx-title a{transition:color .3s}
.rx-title a:hover{color:var(--accent)}
.rx-body{
  display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(1.4rem,3vw,3rem);
  padding:clamp(1.3rem,2.5vw,2.2rem) clamp(1.3rem,3vw,2.4rem) clamp(1.6rem,2.5vw,2.4rem);
}
@media(max-width:900px){.rx-body{grid-template-columns:1fr}}
.rx-rows{display:flex;flex-direction:column}
.rx-row{display:grid;grid-template-columns:8.5rem 1fr;gap:1.2rem;padding:1rem 0;border-top:1px solid var(--line)}
.rx-row:first-child{border-top:none;padding-top:0}
.rx-row dt{font-family:var(--font-mono);font-size:10px;letter-spacing:.22em;color:var(--ivory-faint);text-transform:uppercase;padding-top:.25em}
.rx-row dd{font-size:.92rem;color:var(--ivory-dim);line-height:1.6}
.rx-row dd strong{color:var(--ivory);font-weight:500}
.rx-row dd .acc{color:var(--accent)}
.rx-row--key dd{color:var(--ivory)}
@media(max-width:560px){.rx-row{grid-template-columns:1fr;gap:.3rem}}
.rx-perma{
  display:inline-flex;align-items:center;min-height:44px;align-self:start;
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--accent);
  margin:0 clamp(1.3rem,3vw,2.4rem) 1.2rem;
}

/* compact featured cards (home) */
.feat-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.2rem,2.5vw,2rem);padding:0 var(--pad)}
@media(max-width:820px){.feat-grid{grid-template-columns:1fr}}
.feat-card{
  border:1px solid var(--line);background:var(--panel);padding:clamp(1.4rem,3vw,2.2rem);
  display:flex;flex-direction:column;gap:.9rem;position:relative;
  transition:border-color .35s,transform .35s var(--ease);
}
.feat-card:hover{border-color:var(--line-strong);transform:translateY(-3px)}
html.no-motion .feat-card:hover{transform:none}
.feat-card .rx-id{display:flex;justify-content:space-between;align-items:baseline}
.feat-card h3{font-family:var(--font-display);font-weight:500;font-size:clamp(1.25rem,2.2vw,1.7rem);letter-spacing:-.02em;line-height:1.15}
.feat-card p{color:var(--ivory-dim);font-size:.92rem}
.feat-stat{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.feat-link{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--ivory);margin-top:auto;display:inline-flex;align-items:center;min-height:44px}
.feat-card:hover .feat-link{color:var(--accent)}

/* ============ FIGURES ============ */
.rx-fig{border:1px solid var(--line);background:rgba(5,5,7,.55);display:flex;flex-direction:column;min-height:16rem}
.rx-fig figcaption{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--ivory-faint);
  padding:.8rem 1.1rem;border-bottom:1px solid var(--line);
}
.rx-fig .fig-wrap{flex:1;display:flex;align-items:center;justify-content:center;padding:1.4rem}
.rx-fig svg{width:100%;height:auto;overflow:visible}
.fig-mono{font-family:var(--font-mono);font-size:9px;letter-spacing:.12em;fill:var(--ivory-faint);text-transform:uppercase}
.fig-val{font-family:var(--font-mono);font-size:12px;fill:var(--ivory)}
.fig-val--acc{fill:var(--accent)}
/* animate via transform (scale) + opacity + stroke-dashoffset only */
.figbar{transform-box:fill-box;transform-origin:50% 100%;transform:scaleY(.001);transition:transform .8s var(--ease)}
.fig-in .figbar{transform:scaleY(1)}
.figbar-h{transform-box:fill-box;transform-origin:0 50%;transform:scaleX(.001);transition:transform .8s var(--ease)}
.fig-in .figbar-h{transform:scaleX(1)}
.fig-lab{opacity:0;transition:opacity .5s ease .55s}
.fig-in .fig-lab{opacity:1}
.f4-arc{transition:stroke-dashoffset 1.1s cubic-bezier(.4,0,.2,1)}
.fig-in .f4-arc{stroke-dashoffset:var(--off)}
html.no-motion .figbar,html.no-js .figbar{transform:scaleY(1);transition:none}
html.no-motion .figbar-h,html.no-js .figbar-h{transform:scaleX(1);transition:none}
html.no-motion .fig-lab,html.no-js .fig-lab{opacity:1;transition:none}
html.no-motion .f4-arc,html.no-js .f4-arc{stroke-dashoffset:var(--off);transition:none}

/* ============ FINDING DETAIL PAGE ============ */
.paper{padding:clamp(2.5rem,6vw,5rem) var(--pad) clamp(3rem,7vw,6rem)}
.paper-crumb{font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--ivory-faint);display:flex;gap:.8rem;flex-wrap:wrap;align-items:center;margin-bottom:clamp(1.6rem,3vw,2.6rem)}
.paper-crumb a{color:var(--ivory-dim);display:inline-flex;align-items:center;min-height:44px}
.paper-crumb a:hover{color:var(--accent)}
.paper-crumb .acc{color:var(--accent)}
.paper-title{
  font-family:var(--font-display);font-weight:500;letter-spacing:-.03em;line-height:1.02;
  font-size:clamp(2rem,5.5vw,4.6rem);max-width:20ch;margin-bottom:1rem;
}
.paper-status{font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--ivory-faint);margin-bottom:clamp(2rem,4vw,3.2rem)}
.paper-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(1.6rem,3.5vw,3.5rem);align-items:start}
@media(max-width:900px){.paper-grid{grid-template-columns:1fr}}
.paper-nav{
  display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  border-top:1px solid var(--line);margin-top:clamp(2.5rem,5vw,4rem);padding-top:1.4rem;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;
}
.paper-nav a{color:var(--ivory-dim);display:inline-flex;align-items:center;min-height:44px;gap:.6rem}
.paper-nav a:hover{color:var(--accent)}

/* ============ EXPERIENCE / TIMELINE ============ */
.xp-list{padding:0 var(--pad)}
.xp-item{
  display:grid;grid-template-columns:minmax(0,.35fr) minmax(0,.65fr);gap:2rem;
  padding:clamp(1.8rem,3.5vw,3rem) 0;border-top:1px solid var(--line);
}
.xp-item:last-child{border-bottom:1px solid var(--line)}
@media(max-width:820px){.xp-item{grid-template-columns:1fr;gap:1rem}}
.xp-when{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent)}
.xp-org{font-family:var(--font-display);font-weight:500;font-size:clamp(1.35rem,2.4vw,2rem);letter-spacing:-.02em;margin:.4rem 0 .2rem}
.xp-role{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ivory-dim)}
.xp-desc{color:var(--ivory-dim);font-size:.95rem;max-width:52ch}
.xp-desc strong{color:var(--ivory);font-weight:500}

/* ============ MODELS CARD ============ */
.model-card{
  border:1px solid var(--line);background:var(--panel);
  padding:clamp(1.7rem,4vw,3rem);
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:2rem;align-items:center;
  position:relative;overflow:hidden;margin:0 var(--pad);
  transition:border-color .35s;
}
.model-card:hover{border-color:var(--line-strong)}
@media(max-width:820px){.model-card{grid-template-columns:1fr}}
.model-card::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--accent-dim),transparent)}
.model-tag{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--accent);margin-bottom:1rem;display:block}
.model-card h3{font-family:var(--font-display);font-weight:500;font-size:clamp(1.25rem,2.2vw,1.8rem);letter-spacing:-.02em;max-width:28ch;line-height:1.25}
.model-card p{color:var(--ivory-dim);font-size:.93rem;max-width:56ch;margin-top:1rem}
.model-chips{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1.4rem}
.chip{font-family:var(--font-mono);font-size:9.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--ivory-dim);border:1px solid var(--line-strong);padding:.35rem .7rem}
.model-cta{font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;color:var(--accent);text-transform:uppercase;white-space:nowrap}

/* ============ CAPABILITIES SHEET ============ */
.caps-sheet{margin:0 var(--pad);border:1px solid var(--line)}
.caps-sheet-head{
  display:flex;justify-content:space-between;padding:.9rem 1.4rem;border-bottom:1px solid var(--line);
  font-family:var(--font-mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--ivory-faint);
}
.caps-row{display:grid;grid-template-columns:minmax(9rem,.28fr) 1fr;border-bottom:1px solid var(--line)}
.caps-row:last-child{border-bottom:none}
.caps-row dt{
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);
  padding:1.3rem 1.4rem;border-right:1px solid var(--line);
}
.caps-row dd{padding:1.25rem 1.4rem;font-size:.93rem;color:var(--ivory-dim);line-height:1.8}
.caps-row dd b{color:var(--ivory);font-weight:400}
@media(max-width:640px){.caps-row{grid-template-columns:1fr}.caps-row dt{border-right:none;border-bottom:1px dashed var(--line);padding-bottom:.8rem}}

/* ============ EDUCATION GRID ============ */
.edu-grid{display:grid;grid-template-columns:repeat(2,1fr);margin:0 var(--pad);border:1px solid var(--line);border-bottom:none}
@media(max-width:820px){.edu-grid{grid-template-columns:1fr}}
.edu-cell{padding:clamp(1.4rem,2.8vw,2.2rem);border-bottom:1px solid var(--line)}
.edu-grid .edu-cell:nth-child(odd){border-right:1px solid var(--line)}
@media(max-width:820px){.edu-grid .edu-cell:nth-child(odd){border-right:none}}
.edu-k{font-family:var(--font-mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--ivory-faint);display:block;margin-bottom:.8rem}
.edu-cell h3{font-family:var(--font-display);font-weight:500;font-size:1.15rem;letter-spacing:-.01em;line-height:1.35}
.edu-cell p{color:var(--ivory-dim);font-size:.88rem;margin-top:.5rem}
.edu-cell .acc{color:var(--accent)}

/* ============ PROSE (about bio) ============ */
.prose{padding:0 var(--pad);max-width:64ch;color:var(--ivory-dim);font-size:1rem}
.prose p+p{margin-top:1.1rem}
.prose strong{color:var(--ivory);font-weight:500}
.prose .acc{color:var(--accent)}

/* ============ SHARED FOOTER (contact) ============ */
.site-footer{padding:clamp(4rem,9vw,7rem) var(--pad) 0;border-top:1px solid var(--line);overflow:hidden;margin-top:clamp(4rem,8vw,7rem)}
.footer-big{
  font-family:var(--font-display);font-weight:600;text-transform:uppercase;letter-spacing:-.04em;
  font-size:clamp(2.2rem,6.5vw,5.5rem);line-height:1;max-width:16ch;
}
.footer-big em{font-style:normal;color:var(--accent)}
.footer-links{display:flex;flex-wrap:wrap;gap:1rem 2.4rem;align-items:baseline;margin:clamp(2rem,4vw,3.2rem) 0}
.footer-email{font-family:var(--font-display);font-size:clamp(1rem,2.2vw,1.5rem);font-weight:400;letter-spacing:-.01em;display:inline-flex;align-items:center;min-height:44px}
.footer-secondary{display:flex;gap:1.6rem;flex-wrap:wrap;font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--ivory-dim)}
.footer-secondary a{display:inline-flex;align-items:center;min-height:44px}
.footer-base{
  display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  padding:1.3rem 0 1.5rem;border-top:1px solid var(--line);
  font-family:var(--font-mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--ivory-faint);
}
.footer-base .acc{color:var(--accent)}

/* ============ 404 ============ */
.nf{min-height:calc(100svh - 4.2rem);display:flex;flex-direction:column;justify-content:center;padding:0 var(--pad)}
.nf-code{font-family:var(--font-display);font-weight:600;font-size:clamp(6rem,22vw,18rem);line-height:.9;letter-spacing:-.05em}
.nf-code em{font-style:normal;color:var(--accent)}
.nf-msg{font-family:var(--font-mono);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--ivory-dim);margin:1.6rem 0 2.4rem}

/* ============ REDUCED MOTION ============ */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;transition-delay:0ms!important}
  html{scroll-behavior:auto}
}