/* CNEP — Center for Neural Engineering & Prostheses
   Design system: warm off-white ground, deep navy, electric blue accent,
   light serif display type, Plex Sans body, Plex Mono metadata. */

:root{
  --ground:#fbf8f2;        /* warm off-white page background */
  --arctic:#f7f9fb;        /* cool panel background */
  --paper:#ffffff;
  --navy:#001f44;
  --night:#0c2043;
  --ink:#0f1a2b;
  --ink-2:#3a4556;
  --ink-3:#6b7585;
  --rule:#d9d5cc;
  --rule-soft:#e9e5dc;
  --blue:#0073e6;
  --blue-dark:#005bb8;
  --gold:#ffd74b;
  --olive-light:#eff3ef;
  --olive:#aec3b0;
  --olive-dark:#455e48;

  --serif:"Source Serif 4","Tiempos Headline",Georgia,"Times New Roman",serif;
  --sans:"IBM Plex Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --container:86.875rem;
  --pad:clamp(1rem,4vw,2.5rem);
  --section:clamp(4rem,9vw,8rem);
  --radius:2px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--ground);color:var(--ink);
  font-family:var(--sans);font-size:1.0625rem;line-height:1.6;
  font-feature-settings:"kern","liga";
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
h1,h2,h3,h4{margin:0;font-weight:300;letter-spacing:0}
.skip{position:absolute;left:-999px;top:0;background:var(--navy);color:#fff;padding:.5rem 1rem;z-index:100}
.skip:focus{left:1rem;top:1rem}

/* ---------- type scale ---------- */
.display{font-family:var(--serif);font-weight:300;line-height:1.08;font-size:clamp(2.5rem,5.4vw,4.5rem);letter-spacing:-.01em}
.h2{font-family:var(--serif);font-weight:300;line-height:1.12;font-size:clamp(2rem,3.6vw,3rem);letter-spacing:-.005em}
.h3{font-family:var(--serif);font-weight:400;line-height:1.25;font-size:clamp(1.375rem,2vw,1.75rem)}
.h4{font-family:var(--sans);font-weight:500;line-height:1.35;font-size:1.125rem}
.lede{font-size:clamp(1.125rem,1.5vw,1.375rem);line-height:1.5;color:var(--ink-2);font-weight:400}
.mono{font-family:var(--mono);font-size:.75rem;line-height:1.4;letter-spacing:.04em;text-transform:uppercase;font-weight:500;color:var(--ink-3)}
.mono--dark{color:var(--ink)}
.eyebrow{display:flex;align-items:center;gap:.75rem;margin-bottom:1.25rem}
.eyebrow::before{content:"";width:2rem;height:1px;background:var(--ink)}
.muted{color:var(--ink-3)}
.small{font-size:.9375rem}

/* ---------- layout ---------- */
.container{width:100%;max-width:var(--container);margin:0 auto;padding-left:var(--pad);padding-right:var(--pad)}
.section{padding-top:var(--section);padding-bottom:var(--section)}
.section--tight{padding-top:calc(var(--section)*.6);padding-bottom:calc(var(--section)*.6)}
.section--rule{border-top:1px solid var(--rule)}
.section-head{display:grid;grid-template-columns:1fr;gap:1.5rem;margin-bottom:clamp(2rem,4vw,3.5rem);align-items:end}
@media(min-width:900px){.section-head{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}}
.section-head .lede{max-width:34rem}
.section-head .aside{justify-self:start}
@media(min-width:900px){.section-head .aside{justify-self:end}}
.grid{display:grid;gap:clamp(1.25rem,2.5vw,2.5rem)}
.grid-2{grid-template-columns:1fr}
.grid-3{grid-template-columns:1fr}
.grid-4{grid-template-columns:1fr 1fr}
@media(min-width:700px){.grid-2{grid-template-columns:1fr 1fr}.grid-3{grid-template-columns:1fr 1fr}}
@media(min-width:1000px){.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}}
.measure{max-width:42rem}
.measure-wide{max-width:56rem}

/* ---------- links & buttons ---------- */
.link{color:var(--blue);font-weight:500;display:inline-flex;align-items:center;gap:.4rem;transition:color .2s}
.link:hover{color:var(--navy)}
.link .arr{display:inline-block;transition:transform .25s cubic-bezier(.215,.61,.355,1)}
.link:hover .arr{transform:translateX(4px)}
.btn{
  display:inline-flex;align-items:center;gap:.6rem;
  font-family:var(--sans);font-weight:500;font-size:.9375rem;line-height:1;
  padding:.95rem 1.4rem;border-radius:999px;border:1px solid var(--navy);
  color:var(--navy);background:transparent;cursor:pointer;
  transition:background .2s,color .2s,border-color .2s,transform .2s;
}
.btn:hover{background:var(--navy);color:#fff}
.btn--solid{background:var(--navy);color:#fff}
.btn--solid:hover{background:var(--blue);border-color:var(--blue)}
.btn--light{border-color:rgba(255,255,255,.6);color:#fff}
.btn--light:hover{background:#fff;color:var(--navy);border-color:#fff}
.btn--light-solid{background:#fff;color:var(--navy);border-color:#fff}
.btn--light-solid:hover{background:var(--gold);border-color:var(--gold);color:var(--navy)}
.btn .arr{transition:transform .25s cubic-bezier(.215,.61,.355,1)}
.btn:hover .arr{transform:translateX(3px)}
.btn-row{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:2rem}

/* ---------- header ---------- */
.header{
  position:sticky;top:0;z-index:50;background:rgba(251,248,242,.9);
  backdrop-filter:saturate(1.2) blur(10px);-webkit-backdrop-filter:saturate(1.2) blur(10px);
  border-bottom:1px solid var(--rule-soft);
}
.header .container{display:flex;align-items:center;justify-content:space-between;gap:2rem;height:4.5rem}
.brand{display:flex;align-items:center;gap:.8rem;min-width:0}
.brand__mark{width:auto;height:2.6rem;flex:none}
.brand__text{display:flex;flex-direction:column;line-height:1.05}
.brand__name{font-family:var(--sans);font-weight:600;font-size:1.0625rem;letter-spacing:.14em;color:var(--navy)}
.brand__sub{font-family:var(--mono);font-size:.625rem;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);margin-top:.25rem;line-height:1.25;white-space:nowrap}
@media(max-width:520px){.brand__sub{white-space:normal;max-width:13rem;font-size:.5625rem}}
.nav{display:none;align-items:center;gap:1.9rem;white-space:nowrap}
.nav a{font-size:.9375rem;font-weight:500;color:var(--ink-2);position:relative;padding:.35rem 0;transition:color .2s}
.nav a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:1px;background:var(--navy);transition:right .25s cubic-bezier(.215,.61,.355,1)}
.nav a:hover,.nav a[aria-current="page"]{color:var(--navy)}
.nav a:hover::after,.nav a[aria-current="page"]::after{right:0}
.nav .btn{padding:.6rem 1.05rem;font-size:.875rem;margin-left:.5rem}
.nav .btn::after{display:none}
.nav a.btn--solid,.nav a.btn--solid[aria-current="page"]{color:#fff;background:var(--navy);border-color:var(--navy)}
.nav a.btn--solid:hover{background:var(--blue);border-color:var(--blue);color:#fff}
.menu-btn{display:inline-flex;flex-direction:column;justify-content:center;gap:5px;width:2.5rem;height:2.5rem;border:0;background:transparent;cursor:pointer;padding:.5rem}
.menu-btn span{display:block;height:1.5px;background:var(--navy);transition:transform .25s,opacity .2s}
.menu-btn[aria-expanded="true"] span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.menu-btn[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-btn[aria-expanded="true"] span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
@media(min-width:1000px){.nav{display:flex}.menu-btn{display:none}}
.mobile-nav{display:none;border-top:1px solid var(--rule-soft);background:var(--ground)}
.mobile-nav.is-open{display:block}
.mobile-nav a{display:block;padding:1rem var(--pad);font-size:1.125rem;font-weight:500;border-bottom:1px solid var(--rule-soft);color:var(--navy)}
.mobile-nav a[aria-current="page"]{color:var(--blue)}
@media(min-width:1000px){.mobile-nav{display:none!important}}

/* ---------- hero (home) ---------- */
.hero{padding-top:clamp(3.5rem,8vw,7rem);padding-bottom:clamp(3rem,6vw,5rem)}
.hero__grid{display:grid;gap:2.5rem;align-items:end}
@media(min-width:1000px){.hero__grid{grid-template-columns:minmax(0,8fr) minmax(0,4fr)}}
.hero .display{max-width:20ch}
.hero__aside{color:var(--ink-2);max-width:26rem}
.hero__aside p{font-size:1.0625rem}
.hero-media{margin-top:clamp(2.5rem,5vw,4rem)}
.hero-media figure{margin:0}
.hero-media .frame{aspect-ratio:16/8.2;overflow:hidden;background:var(--arctic);border-radius:var(--radius)}
.hero-media img{width:100%;height:100%;object-fit:cover;object-position:center 35%}
.hero-media figcaption{display:flex;justify-content:space-between;gap:1rem;padding-top:.75rem;flex-wrap:wrap}

/* stats */
.stats{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}
@media(min-width:800px){.stats{grid-template-columns:repeat(4,1fr)}}
.stat{padding:2.25rem 1.25rem 2.25rem 0;border-right:1px solid var(--rule-soft)}
.stat:last-child{border-right:0}
@media(max-width:799px){.stat:nth-child(2){border-right:0}.stat:nth-child(-n+2){border-bottom:1px solid var(--rule-soft)}}
.stat:not(:first-child){padding-left:1.25rem}
@media(max-width:799px){.stat:nth-child(3){padding-left:0}}
.stat__k{margin-bottom:1.1rem}
.stat__n{font-family:var(--serif);font-weight:300;font-size:clamp(2.75rem,4.6vw,4rem);line-height:1;color:var(--navy);font-variant-numeric:lining-nums proportional-nums;letter-spacing:-.01em}
.stat__n{min-height:clamp(2.75rem,4.6vw,4rem);display:flex;align-items:flex-end}
.stat__n--text{font-size:clamp(1.375rem,2.05vw,1.8rem);line-height:1.12;display:block}
.stat__amp{font-style:italic;color:var(--blue)}
.stat__plus{font-size:.55em;vertical-align:.45em;margin-left:.05em;color:var(--blue)}
.stat__s{margin-top:.8rem;font-size:.9375rem;color:var(--ink-3);line-height:1.4;max-width:16rem}

/* ---------- numbered cards (focus areas) ---------- */
.focus{border-top:1px solid var(--rule)}
.focus__item{padding:1.75rem 0 2rem;border-bottom:1px solid var(--rule);display:grid;gap:1rem}
@media(min-width:900px){.focus__item{grid-template-columns:5rem minmax(0,5fr) minmax(0,7fr);gap:2rem;align-items:start}}
.focus__n{font-family:var(--mono);font-size:.8125rem;color:var(--ink-3);padding-top:.35rem}
.focus__t{font-family:var(--serif);font-weight:400;font-size:clamp(1.5rem,2.2vw,1.875rem);line-height:1.2;color:var(--navy)}
.focus__d{color:var(--ink-2)}

/* ---------- people ---------- */
.person{display:grid;gap:1rem}
.person__photo{aspect-ratio:1/1;overflow:hidden;background:var(--arctic);border-radius:var(--radius);position:relative}
.person__photo img{width:100%;height:100%;object-fit:cover;filter:saturate(.92);transition:transform .6s cubic-bezier(.215,.61,.355,1)}
.person:hover .person__photo img{transform:scale(1.03)}
.person__name{font-family:var(--sans);font-weight:500;font-size:1.0625rem;line-height:1.3;color:var(--ink)}
.person__meta{margin-top:.3rem}
.person__link{margin-top:.5rem}
.person--lg .person__photo{aspect-ratio:4/5}

.leader{display:grid;gap:1.5rem;padding:clamp(2rem,4vw,3.5rem) 0;border-top:1px solid var(--rule)}
@media(min-width:900px){.leader{grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:3rem}}
.leader .person__photo{aspect-ratio:4/5;max-width:26rem}
.leader__bio p{color:var(--ink-2)}
.leader__bio p:first-of-type{color:var(--ink)}
.leader__name{font-family:var(--serif);font-weight:400;font-size:clamp(1.75rem,2.6vw,2.25rem);line-height:1.15;color:var(--navy)}

.faculty-group{padding-top:clamp(2.5rem,4vw,3.5rem)}
.faculty-group__head{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;padding-bottom:1rem;border-bottom:1px solid var(--rule);margin-bottom:clamp(1.5rem,3vw,2.5rem)}
.faculty-grid .person__photo{aspect-ratio:4/5}
.faculty-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(1rem,2.5vw,2rem) clamp(1rem,2vw,1.5rem)}
@media(min-width:640px){.faculty-grid{grid-template-columns:repeat(3,1fr)}}
@media(min-width:900px){.faculty-grid{grid-template-columns:repeat(4,1fr)}}
@media(min-width:1200px){.faculty-grid{grid-template-columns:repeat(5,1fr)}}
.avatar-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:.5rem}
@media(min-width:700px){.avatar-strip{grid-template-columns:repeat(8,1fr)}}
.avatar-strip div{aspect-ratio:1/1;overflow:hidden;background:var(--arctic);border-radius:var(--radius)}
.avatar-strip img{width:100%;height:100%;object-fit:cover;filter:saturate(.9)}

/* ---------- feature split ---------- */
.split{display:grid;gap:2rem;align-items:center}
@media(min-width:900px){.split{grid-template-columns:minmax(0,6fr) minmax(0,6fr);gap:clamp(2rem,5vw,5rem)}}
.split--rev > :first-child{order:2}
@media(min-width:900px){.split--rev > :first-child{order:0}}
.frame{overflow:hidden;border-radius:var(--radius);background:var(--arctic)}
.frame img{width:100%;height:100%;object-fit:cover}
.collage{display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:1fr;gap:.5rem}
.collage .frame{aspect-ratio:1/1}
.collage .frame:first-child{grid-column:span 2;grid-row:span 2;aspect-ratio:auto}

/* ---------- resource list ---------- */
.rlist{border-top:1px solid var(--rule)}
.rrow{display:grid;grid-template-columns:3rem 1fr;gap:1rem;padding:1.5rem 0;border-bottom:1px solid var(--rule);align-items:start;position:relative;transition:background .2s}
@media(min-width:900px){.rrow{grid-template-columns:4rem minmax(0,4fr) minmax(0,6fr) 8rem;gap:2rem;align-items:center}}
.rrow__n{font-family:var(--mono);font-size:.8125rem;color:var(--ink-3)}
.rrow__t{font-family:var(--sans);font-weight:500;font-size:1.125rem;color:var(--navy)}
.rrow__o{display:block;margin-top:.25rem}
.rrow__d{color:var(--ink-2);grid-column:2}
@media(min-width:900px){.rrow__d{grid-column:auto}}
.rrow__l{grid-column:2;justify-self:start}
@media(min-width:900px){.rrow__l{grid-column:auto;justify-self:end}}
.rrow:hover .rrow__t{color:var(--blue)}

/* ---------- gallery ---------- */
.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:.6rem}
@media(min-width:800px){.gallery{grid-template-columns:repeat(4,1fr)}}
.gallery .frame{aspect-ratio:4/3}
.gallery .frame.wide{grid-column:span 2}
.gallery .frame img{transition:transform .6s cubic-bezier(.215,.61,.355,1)}
.gallery .frame:hover img{transform:scale(1.03)}

/* ---------- page header ---------- */
.page-head{padding-top:clamp(3rem,7vw,6rem);padding-bottom:clamp(2.5rem,5vw,4rem)}
.page-head .display{max-width:18ch}
.page-head .lede{margin-top:1.5rem;max-width:40rem}
.page-head__grid{display:grid;gap:2rem;align-items:end}
@media(min-width:1000px){.page-head__grid{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}}

/* ---------- panels ---------- */
.panel{background:var(--arctic);border-radius:var(--radius)}
.band{background:var(--navy);color:#fff}
.band .h2{color:#fff}
.band .mono{color:rgba(255,255,255,.6)}
.band .lede{color:rgba(255,255,255,.78)}
.band .eyebrow::before{background:var(--gold)}
.band--olive{background:var(--olive-light);color:var(--ink)}
.band--olive .h2{color:var(--olive-dark)}
.band--olive .lede{color:var(--ink-2)}
.band--olive .eyebrow::before{background:var(--olive-dark)}
.cta{display:grid;gap:2rem;align-items:center}
@media(min-width:900px){.cta{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}.cta .btn-row{justify-content:flex-end;margin-top:0}}

.contact-card{border:1px solid var(--rule);padding:clamp(1.5rem,3vw,2.5rem);border-radius:var(--radius);background:var(--paper)}
.contact-card .big{font-family:var(--serif);font-size:clamp(1.25rem,2vw,1.625rem);font-weight:400;color:var(--navy);word-break:break-word}

blockquote{margin:0;padding-left:1.5rem;border-left:2px solid var(--gold);font-family:var(--serif);font-size:clamp(1.25rem,2vw,1.625rem);line-height:1.4;font-weight:300;color:var(--navy)}

/* ---------- footer ---------- */
.footer{background:var(--night);color:rgba(255,255,255,.82);margin-top:var(--section)}
.footer a{transition:color .2s}
.footer a:hover{color:var(--gold)}
.footer__top{display:grid;gap:2.5rem;padding:clamp(3rem,6vw,5rem) 0 clamp(2.5rem,4vw,3.5rem)}
@media(min-width:900px){.footer__top{grid-template-columns:minmax(0,5fr) repeat(3,minmax(0,2fr));gap:3rem}}
.footer .brand__name{color:#fff}
.footer .brand__sub{color:rgba(255,255,255,.55)}
.footer__desc{margin-top:1.25rem;max-width:26rem;color:rgba(255,255,255,.7);font-size:.9375rem}
.footer h4{font-family:var(--mono);font-size:.6875rem;letter-spacing:.08em;text-transform:uppercase;font-weight:500;color:rgba(255,255,255,.5);margin-bottom:1rem}
.footer ul{list-style:none;margin:0;padding:0;display:grid;gap:.55rem}
.footer li a{font-size:.9375rem;color:rgba(255,255,255,.85)}
.footer__bottom{border-top:1px solid rgba(255,255,255,.12);padding:1.5rem 0 2rem;display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;align-items:center}
.footer__bottom .mono{color:rgba(255,255,255,.5)}

/* ---------- motion ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .7s cubic-bezier(.215,.61,.355,1),transform .7s cubic-bezier(.215,.61,.355,1)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}
@media print{.header,.footer,.mobile-nav,.menu-btn{display:none}body{background:#fff}}

/* olive band overrides (must follow .band rules) */
.band--olive .mono{color:var(--olive-dark)}
.band--olive .btn{border-color:var(--olive-dark);color:var(--olive-dark)}
.band--olive .btn:hover{background:var(--olive-dark);color:#fff}

/* gallery: wide tiles keep row height so the grid packs without holes */
.gallery{grid-auto-flow:dense}
.gallery .frame.wide{aspect-ratio:8/3}

/* ---------- inquiry form ---------- */
.inquiry{border:1px solid var(--rule);background:var(--paper);padding:clamp(1.5rem,3vw,2.5rem);border-radius:var(--radius)}
.iform{margin-top:1.75rem;display:grid;gap:1.25rem;position:relative}
.iform__row{display:grid;gap:1.25rem}
@media(min-width:640px){.iform__row{grid-template-columns:1fr 1fr}}
.ifield{display:grid;gap:.5rem}
.ifield .mono{display:flex;justify-content:space-between}
.ifield em{font-style:normal;text-transform:none;letter-spacing:0;color:var(--ink-3);font-weight:400}
.ifield input,.ifield select,.ifield textarea{
  font:inherit;font-size:1rem;color:var(--ink);background:var(--ground);
  border:0;border-bottom:1px solid var(--rule);border-radius:0;padding:.75rem .25rem;width:100%;
  transition:border-color .2s,background .2s;appearance:none;-webkit-appearance:none}
.ifield select{background-image:linear-gradient(45deg,transparent 50%,var(--ink-3) 50%),linear-gradient(135deg,var(--ink-3) 50%,transparent 50%);background-position:calc(100% - 14px) 50%,calc(100% - 9px) 50%;background-size:5px 5px;background-repeat:no-repeat;padding-right:2rem}
.ifield textarea{resize:vertical;min-height:8rem;line-height:1.5}
.ifield input:focus,.ifield select:focus,.ifield textarea:focus{outline:none;border-bottom-color:var(--blue);background:#fff}
.ifield input:user-invalid,.ifield textarea:user-invalid{border-bottom-color:#b42318}
.iform__foot{display:flex;flex-wrap:wrap;align-items:center;gap:1rem;margin-top:.5rem}
.iform.is-sent .iform__foot .btn{display:none}
.iform.is-sent .iform__status{color:var(--olive-dark);font-weight:500}

/* donate: form alongside the heading */
.page-head__grid--form{align-items:start}
@media(min-width:1000px){.page-head__grid--form{grid-template-columns:minmax(0,6fr) minmax(0,6fr);gap:clamp(2rem,5vw,5rem)}}
.page-head__grid--form .inquiry{margin-top:.5rem}

/* ---------- hero graphic ---------- */
.frame--neuro{aspect-ratio:16/7.6;background:var(--navy)}
.frame--neuro svg{width:100%;height:100%;display:block}
.frame--neuro svg text{font-family:var(--mono)}

/* ---------- compact leadership cards (home) ---------- */
.leader-card{display:grid;grid-template-columns:7.5rem 1fr;gap:1.25rem;align-items:start}
@media(min-width:700px){.leader-card{grid-template-columns:9.5rem 1fr;gap:1.5rem}}
.leader-card .person__photo{aspect-ratio:4/5;overflow:hidden;background:var(--arctic);border-radius:var(--radius)}
.leader-card .person__photo img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.215,.61,.355,1)}
.leader-card:hover .person__photo img{transform:scale(1.03)}
.leader-card .h3{font-size:clamp(1.25rem,1.6vw,1.5rem)}
.leader-card .link{display:inline-flex}
/* leadership page: smaller portraits */
.leader .person__photo{max-width:17rem}
@media(min-width:900px){.leader{grid-template-columns:minmax(0,3fr) minmax(0,9fr)}}