/* ============================================================
   Neel Madhav — shared styles for home / work / contact
   Edit design here once; all three pages update.
   ============================================================ */

:root{
  --paper:#FFFFFF;
  --paper-2:#F4F3F0;
  --ink:#1B1A17;
  --graphite:#5B574E;
  --rule:#E3E1DC;
  --signal:#B23A2B;
  --dossier:#15140F;
  --rail:56px;
  --serif:"Fraunces",Georgia,serif;
  --text:"Newsreader",Georgia,serif;
  --mono:"IBM Plex Mono",ui-monospace,monospace;
  --display:"Playfair Display",Georgia,serif;
  --accent-serif:"Instrument Serif",Georgia,serif;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--text);
  font-size:18px;
  line-height:1.6;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}

/* ---------- skip link ---------- */
.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:var(--paper);font-family:var(--mono);font-size:13px;padding:10px 14px;border-radius:3px;z-index:40}
.skip:focus{left:12px;top:12px}

/* ---------- nav ---------- */
.nav{
  position:sticky;top:0;z-index:30;
  background:rgba(255,255,255,.85);
  backdrop-filter:saturate(140%) blur(8px);
  -webkit-backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--rule);
}
.nav-inner{
  max-width:780px;margin:0 auto;
  padding:13px 28px 13px calc(28px + var(--rail));
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.nav-name{
  font-family:var(--display);font-weight:700;font-size:19px;letter-spacing:0;
  color:var(--ink);text-decoration:none;
}
.nav-links{display:flex;gap:20px}
.nav-links a{
  font-family:var(--mono);font-size:12.5px;letter-spacing:.05em;
  color:var(--graphite);text-decoration:none;position:relative;padding:3px 0;
  transition:color .2s ease;
}
.nav-links a:hover{color:var(--ink)}
.nav-links a.active{color:var(--ink)}
.nav-links a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--signal);
}

/* ---------- layout shell + the thread ---------- */
.page{
  position:relative;
  max-width:780px;
  margin:0 auto;
  padding:0 28px 0 calc(28px + var(--rail));
}
.thread{
  position:absolute;
  top:64px; bottom:140px;
  left:calc(28px + var(--rail)/2 - 1px);
  width:2px;
  background:var(--rule);
}
.thread .fill{
  position:absolute;
  top:0;left:0;width:100%;height:0;
  background:var(--signal);
  will-change:height;
}

section{position:relative;padding:54px 0}
section + section{border-top:1px solid var(--rule)}

/* eyebrow + node on the thread */
.eyebrow{
  position:relative;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--graphite);
  margin:0 0 22px;
}
.eyebrow .node{
  position:absolute;
  top:1px;
  left:calc(-1 * var(--rail)/2 - 6px);
  width:12px;height:12px;
  border-radius:50%;
  background:var(--paper);
  border:2px solid var(--signal);
}
.eyebrow .node::after{
  content:"";
  position:absolute;inset:3px;
  border-radius:50%;
  background:var(--signal);
  transform:scale(0);
  transition:transform .4s ease;
}
section.lit .eyebrow .node::after{transform:scale(1)}

/* ---------- reveal primitive ---------- */
.rise{opacity:0;transform:translateY(14px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1)}
.rise.in{opacity:1;transform:none}
.d1{transition-delay:.05s}.d2{transition-delay:.13s}.d3{transition-delay:.21s}.d4{transition-delay:.29s}

/* ---------- hero (home) ---------- */
.status{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--graphite);margin:0 0 22px;
}
.status .dot{
  width:7px;height:7px;border-radius:50%;background:var(--signal);
  box-shadow:0 0 0 0 rgba(178,58,43,.5);
  animation:pulse 2.4s ease-out infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(178,58,43,.45)}
  70%{box-shadow:0 0 0 7px rgba(178,58,43,0)}
  100%{box-shadow:0 0 0 0 rgba(178,58,43,0)}
}
.hero{padding-top:60px;padding-bottom:30px}
.hero h1{
  font-family:var(--serif);font-weight:500;
  font-size:clamp(58px,13vw,108px);line-height:.92;
  letter-spacing:-.02em;margin:0 0 18px;
}
.hero .lede{
  font-family:var(--serif);font-weight:400;font-style:italic;
  font-size:clamp(20px,4vw,27px);line-height:1.3;
  max-width:18ch;margin:0 0 30px;color:var(--ink);
}
.filing{
  font-family:var(--mono);font-size:12.5px;letter-spacing:.04em;color:var(--graphite);
  display:flex;flex-wrap:wrap;gap:8px 14px;
}
.filing span{white-space:nowrap}
.filing .sep{color:var(--signal)}

/* ---------- page head (work / contact) ---------- */
.page-head{padding:58px 0 14px}
.kicker{font-family:var(--mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--signal);margin:0 0 18px}
.page-head h1{
  font-family:var(--serif);font-weight:500;
  font-size:clamp(46px,10vw,82px);line-height:.95;
  letter-spacing:-.02em;margin:0 0 16px;
}
.page-head .lede{
  font-family:var(--serif);font-style:italic;font-weight:400;
  font-size:clamp(19px,3.6vw,24px);line-height:1.32;
  color:var(--ink);max-width:28ch;margin:0;
}

/* ---------- about ---------- */
.about-grid{display:grid;grid-template-columns:1fr;gap:34px}
.about p{margin:0 0 16px;font-size:20px;line-height:1.62}
.about p:last-child{margin-bottom:0}
.about a{color:var(--ink);text-decoration:underline;text-decoration-color:var(--rule);text-underline-offset:3px}
.about a:hover{text-decoration-color:var(--signal)}
.beats-label{font-family:var(--mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--graphite);margin:0 0 14px}
.beats{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.beats li{
  font-family:var(--mono);font-size:12.5px;
  padding:5px 11px;border:1px solid var(--rule);
  border-radius:2px;color:var(--ink);background:var(--paper-2);
}

/* ---------- work list ---------- */
.work{
  display:block;text-decoration:none;color:inherit;
  padding:24px 0 24px 18px;margin-left:-18px;
  border-left:2px solid transparent;
  transition:border-color .25s ease,background .25s ease,padding-left .25s ease;
}
.work + .work{border-top:1px solid var(--rule)}
.work .wmeta{
  font-family:var(--mono);font-size:12px;letter-spacing:.05em;
  text-transform:uppercase;color:var(--graphite);margin:0 0 8px;
}
.work h3{
  font-family:var(--serif);font-weight:500;
  font-size:clamp(23px,4.4vw,30px);line-height:1.12;
  letter-spacing:-.01em;margin:0 0 8px;transition:color .2s ease;
}
.work h3 .go{
  display:inline-block;margin-left:.3em;
  font-family:var(--mono);font-size:.6em;font-weight:400;
  opacity:0;transform:translate(-4px,-2px);
  transition:opacity .2s ease,transform .2s ease;
}
.work:hover h3 .go,.work:focus-visible h3 .go{opacity:1;transform:translate(0,-2px)}
.work .dek{margin:0;color:var(--graphite);font-size:17.5px;line-height:1.5;max-width:54ch}
.work:hover,.work:focus-visible{
  border-left-color:var(--signal);
  background:linear-gradient(90deg,rgba(178,58,43,.05),transparent 70%);
  padding-left:26px;outline:none;
}
.work:hover h3,.work:focus-visible h3{color:var(--signal)}

/* "view all" / inline link */
.more{
  display:inline-block;margin-top:28px;
  font-family:var(--mono);font-size:13px;letter-spacing:.03em;
  color:var(--ink);text-decoration:none;
  border-bottom:2px solid var(--signal);padding-bottom:3px;
  transition:color .2s ease;
}
.more:hover{color:var(--signal)}

/* ---------- spotlight ---------- */
.spot{background:var(--paper-2);border:1px solid var(--rule);border-radius:3px;padding:30px}
.spot .tag{font-family:var(--mono);font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--signal);margin:0 0 14px}
.spot h3{font-family:var(--serif);font-weight:500;font-size:clamp(26px,5vw,38px);line-height:1.08;letter-spacing:-.015em;margin:0 0 14px}
.spot p{margin:0 0 18px;font-size:18.5px;color:var(--ink)}
.spot a.cta{font-family:var(--mono);font-size:13px;letter-spacing:.04em;color:var(--ink);text-decoration:none;border-bottom:2px solid var(--signal);padding-bottom:2px}
.spot a.cta:hover{color:var(--signal)}

/* ---------- awards & fellowships ---------- */
.honor{padding:18px 0}
.honor + .honor{border-top:1px solid var(--rule)}
.honor .hmeta{font-family:var(--mono);font-size:12px;letter-spacing:.05em;text-transform:uppercase;color:var(--signal);margin:0 0 6px}
.honor h3{font-family:var(--serif);font-weight:500;font-size:21px;line-height:1.2;margin:0 0 6px}
.honor h3 a{color:inherit;text-decoration:none;border-bottom:1px solid var(--rule)}
.honor h3 a:hover{border-bottom-color:var(--signal)}
.honor p{margin:0;color:var(--graphite);font-size:16px}

/* ---------- experience (role) ---------- */
.role h3{font-family:var(--serif);font-weight:500;font-size:clamp(22px,4vw,27px);line-height:1.14;letter-spacing:-.01em;margin:0 0 4px}
.role .org{font-family:var(--text);font-size:18px;color:var(--ink);margin:0 0 10px}
.role .rmeta{font-family:var(--mono);font-size:12.5px;letter-spacing:.04em;color:var(--graphite);margin:0 0 20px;display:flex;flex-wrap:wrap;gap:6px 12px;align-items:center}
.role .rmeta a{color:var(--graphite);text-decoration:none;border-bottom:1px solid var(--rule)}
.role .rmeta a:hover{color:var(--signal);border-bottom-color:var(--signal)}
.role .rmeta .sep{color:var(--signal)}
.role ul{list-style:none;margin:0;padding:0}
.role li{position:relative;padding-left:20px;margin:0 0 12px;color:var(--graphite);font-size:17px;line-height:1.5;max-width:62ch}
.role li::before{content:"";position:absolute;left:0;top:.62em;width:7px;height:2px;background:var(--signal)}
.role li:last-child{margin-bottom:0}

/* ---------- logo wall ---------- */
.logos{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(150px,1fr));
  gap:1px;
  background:var(--rule);
  border:1px solid var(--rule);
}
.logo{
  background:var(--paper);
  display:flex;align-items:center;justify-content:center;
  padding:24px 16px;min-height:82px;
}
.logo span{
  font-family:var(--serif);font-weight:500;font-size:18px;
  color:var(--graphite);text-align:center;letter-spacing:.01em;
  transition:color .2s ease;
}
.logo:hover span{color:var(--ink)}
.logo img{max-height:32px;max-width:100%;width:auto;filter:grayscale(1);opacity:.72;transition:opacity .2s ease}
.logo:hover img{opacity:1}

/* ---------- home intro (bio + photo) ---------- */
.intro{padding-top:64px}
.intro h1{font-family:var(--display);font-weight:800;font-size:clamp(50px,11vw,92px);line-height:1;letter-spacing:-.01em;margin:0 0 14px}
.role-line{font-family:var(--accent-serif);font-weight:400;font-size:23px;letter-spacing:0;text-transform:none;color:var(--signal);margin:0 0 40px}
.intro-grid{display:grid;grid-template-columns:1fr 300px;gap:46px;align-items:start}
.bio p{font-size:20px;line-height:1.62;margin:0 0 16px;color:var(--ink)}
.bio p:last-child{margin-bottom:0}
.bio a{color:var(--ink);text-decoration:underline;text-decoration-color:var(--rule);text-underline-offset:3px}
.bio a:hover{text-decoration-color:var(--signal)}
.portrait{margin:0}
.portrait img{display:block;width:100%;height:auto;border-radius:2px;border:1px solid var(--rule)}
.portrait figcaption{font-family:var(--mono);font-size:11px;letter-spacing:.04em;color:var(--graphite);margin-top:8px}
@media (max-width:640px){
  .intro-grid{grid-template-columns:1fr;gap:26px}
  .portrait{order:-1;max-width:260px}
}

/* ---------- coming soon ---------- */
.soon{padding-top:70px}
.soon-title{font-family:var(--serif);font-weight:500;font-size:clamp(40px,9vw,74px);line-height:.99;letter-spacing:-.02em;margin:0 0 22px}
.soon-title em{font-style:italic;color:var(--signal)}
.soon-text{font-size:19px;line-height:1.62;color:var(--ink);max-width:46ch;margin:0 0 30px}
.soon-links{display:flex;flex-wrap:wrap;gap:14px 28px;margin:0}

/* ---------- research ---------- */
.research-item{padding:18px 0}
.research-item + .research-item{border-top:1px solid var(--rule)}
.research-item .rkind{font-family:var(--mono);font-size:12px;letter-spacing:.05em;text-transform:uppercase;color:var(--graphite);margin:0 0 6px}
.research-item h3{font-family:var(--serif);font-weight:500;font-size:21px;line-height:1.2;margin:0 0 6px}
.research-item p{margin:0;color:var(--graphite);font-size:16px}

/* ---------- contact / back cover ---------- */
.cover{
  background:var(--dossier);color:var(--paper);
  border-radius:4px;padding:46px 36px;position:relative;
}
.cover .eyebrow{color:rgba(255,255,255,.5)}
.cover h2{font-family:var(--serif);font-weight:500;font-size:clamp(28px,6vw,42px);line-height:1.04;letter-spacing:-.015em;margin:0 0 18px;color:var(--paper)}
.cover .intro{font-family:var(--text);font-size:18px;line-height:1.55;color:rgba(255,255,255,.78);max-width:46ch;margin:0 0 28px}
.cover .intro a{color:var(--paper);text-decoration:underline;text-decoration-color:rgba(255,255,255,.45);text-underline-offset:3px;text-decoration-thickness:1px}
.cover .intro a:hover{color:#fff;text-decoration-color:var(--signal)}
.contacts{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
.contacts a{
  display:flex;justify-content:space-between;align-items:baseline;gap:16px;
  font-family:var(--mono);font-size:14px;letter-spacing:.02em;
  color:var(--paper);text-decoration:none;
  padding:14px 0;border-top:1px solid rgba(255,255,255,.16);
  transition:color .2s ease,padding-left .2s ease;
}
.contacts li:last-child a{border-bottom:1px solid rgba(255,255,255,.16)}
.contacts a .label{color:rgba(255,255,255,.55)}
.contacts a:hover{color:var(--signal);padding-left:8px}
.contacts a:hover .label{color:rgba(178,58,43,.8)}

/* ---------- footer ---------- */
footer.fine{font-family:var(--text);font-size:14px;letter-spacing:.01em;color:var(--graphite);padding:54px 0 64px;display:flex;flex-wrap:wrap;gap:6px 18px;justify-content:space-between}
footer.fine a{color:var(--graphite);text-decoration:none}
footer.fine a:hover{color:var(--signal)}

/* ---------- responsive ---------- */
@media (max-width:640px){
  :root{--rail:32px}
  body{font-size:17px}
  .page{padding:0 18px 0 calc(18px + var(--rail))}
  .nav-inner{padding:12px 18px 12px calc(18px + var(--rail))}
  .thread{left:calc(18px + var(--rail)/2 - 1px)}
  .nav-links{gap:16px}
  .cover{padding:36px 24px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .rise{opacity:1;transform:none;transition:none}
  section.lit .eyebrow .node::after{transition:none}
  .status .dot{animation:none}
}

a:focus-visible{outline:2px solid var(--signal);outline-offset:3px;border-radius:2px}