/* ---------------------------------------------------------------
   Maitrey Mehta — personal site
   Design: quiet academic paper, dependency-arc signature motif
----------------------------------------------------------------*/

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600&family=Inter:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  --paper: #fbfaf7;
  --ink: #1a1d1e;
  --ink-soft: #55595c;
  --ink-faint: #8a8d8a;
  --accent: #2f4858;      /* dependency-arc / link blue */
  --accent-warm: #8c6a4e; /* sparing highlight */
  --line: #dedad1;
  --line-strong: #c7c2b6;

  --serif: 'Fraunces', Georgia, serif;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: 'IBM Plex Mono', 'SF Mono', Consolas, monospace;

  --max-w: 980px;
  --pad: clamp(1.25rem, 5vw, 3rem);
}

*{ box-sizing: border-box; }

html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

body{
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a{ color: var(--accent); text-decoration: none; }

::selection{ background: var(--accent); color: var(--paper); }

/* ---------------------------------------------------------------
   Nav
----------------------------------------------------------------*/
.nav{
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem var(--pad);
  background: rgba(251, 250, 247, 0.86);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.nav__name{
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
  color: var(--ink);
}

.nav__links{
  display: flex;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__links a{
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  padding-bottom: 3px;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.nav__links a:hover,
.nav__links a.is-active{
  color: var(--accent);
  border-color: var(--accent);
}

/* ---------------------------------------------------------------
   Shell / sections
----------------------------------------------------------------*/
.section{
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 1.5rem var(--pad);
}

.hero + .section{
  padding-top: 0rem;
}

.section + .section{
  border-top: 1px solid var(--line);
}

.eyebrow{
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-warm);
  margin: 0 0 0.9rem;
}

h2.section__title{
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.7rem;
  margin: 0 0 1.75rem;
  color: var(--ink);
}

/* ---------------------------------------------------------------
   Hero
----------------------------------------------------------------*/
.hero{
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 4.5rem var(--pad) 0.5rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: start;
}

@media (min-width: 760px){
  .hero{
    grid-template-columns: 1fr 200px;
  }
}

.hero__main{ min-width: 0; }

.hero__name{
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(2.6rem, 7vw, 4rem);
  line-height: 1.03;
  margin: 0;
  letter-spacing: -0.01em;
}

.hero__role{
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0.9rem 0 0;
}

.hero__affiliation{
  font-family: var(--sans);
  font-size: 0.95rem;
  color: var(--ink-soft);
  margin: 0.35rem 0 0;
}

/* dependency-arc signature: arcs drawn under the tagline, linking
   the words the way a syntactic dependency parse links tokens */
.arcline{
  display: block;
  width: 100%;
  max-width: 560px;
  height: 46px;
  margin: 0.6rem 0 0.4rem;
}

.arcline path{
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.3;
  opacity: 0.55;
  stroke-dasharray: 220;
  stroke-dashoffset: 220;
  animation: draw 1.1s ease forwards;
}
.arcline path:nth-child(2){ animation-delay: 0.12s; }
.arcline path:nth-child(3){ animation-delay: 0.24s; }
.arcline circle{
  fill: var(--accent);
  opacity: 0;
  animation: dot-in 0.4s ease forwards;
  animation-delay: 0.9s;
}
@keyframes draw{ to{ stroke-dashoffset: 0; } }
@keyframes dot-in{ to{ opacity: 0.75; } }
@media (prefers-reduced-motion: reduce){
  .arcline path{ stroke-dashoffset: 0; }
  .arcline circle{ opacity: 0.75; }
}



.hero__portrait-wrap{
  width: 100%;
  max-width: 200px;
}

.hero__portrait{
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: 3px;
  filter: grayscale(12%);
  border: 1px solid var(--line);
  display: block;
  background: #eeece5;
}

.hero__portrait-caption{
  margin: 0.6rem 0 0;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  color: var(--ink-faint);
  text-align: center;
}

.hero__icons{
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
}

.hero__icons a{
  display: flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--ink-soft);
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.hero__icons a:hover,
.hero__icons a:focus-visible{
  color: var(--paper);
  background: var(--accent);
  border-color: var(--accent);
}

.hero__icons svg{
  width: 17px;
  height: 17px;
}

.hero__affiliation-slot{
  margin-top: 0.25rem;
  padding-top: 0.25rem;
 /* border-top: 1px solid var(--line);*/
  text-align: center;
}

.hero__affiliation-logo{
  width: 80%;
  max-width: 160px;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  display: block;
  margin: 0 auto;
/*  background: #f1efe9;*/
  border: 0px dashed var(--line-strong);
  border-radius: 3px;
  padding: 0.5rem;
}

.hero__affiliation-caption{
  margin: 0.6rem 0 0;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  color: var(--ink-faint);
}

/* ---------------------------------------------------------------
   About
----------------------------------------------------------------*/
.about{ margin-top: 1.75rem; }
.about p{
  color: var(--ink-soft);
  max-width: 62ch;
}
.about p + p{ margin-top: 1rem; }
.about strong{ color: var(--ink); font-weight: 600; }

.badge{
  display: inline-block;
  margin-top: 1.25rem;
  padding: 0.35rem 0.7rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 2px;
}

/* ---------------------------------------------------------------
   Research questions — definition-list style, not numbered
----------------------------------------------------------------*/
.questions{
  margin: 0 0 2.5rem;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.questions li{
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--line);
}

.questions dt{
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.1rem;
  color: var(--ink);
  margin-bottom: 0.3rem;
}

.questions dd{
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.94rem;
  max-width: 100ch;
}

.wiki-note{
  font-size: 0.92rem;
  color: var(--ink-soft);
  max-width: 62ch;
  margin-bottom: 3rem;
}

/* ---------------------------------------------------------------
   Publications (bibliography)
----------------------------------------------------------------*/
.pub-group{ margin-bottom: 1.75rem; }
.pub-group:last-child{ margin-bottom: 0; }

.pub-group__label{
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 0.4rem;
}

.pub{
  padding: 0.55rem 0;
  border-top: 1px solid var(--line);
}
.pub:last-child{ border-bottom: 1px solid var(--line); }

.pub__title{
  font-family: var(--serif);
  font-weight: 500;
  font-size: 0.98rem;
  color: var(--ink);
  margin: 0 0 0.2rem;
  line-height: 1.3;
}

.pub__meta{
  font-size: 0.84rem;
  color: var(--ink-soft);
  margin: 0 0 0.3rem;
  line-height: 1.4;
}

.pub__venue{
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.03em;
  color: var(--accent-warm);
  text-transform: none;
}

.pub__links{
  display: flex;
  gap: 0.85rem;
  font-family: var(--mono);
  font-size: 0.74rem;
  line-height: 1;
}
.pub__links a{ border-bottom: 1px solid var(--line-strong); }
.pub__links a:hover{ color: var(--accent); border-color: var(--accent); }
.pub__links span.disabled{
  color: var(--ink-faint);
  border-bottom: 1px dotted var(--line-strong);
}

/* ---------------------------------------------------------------
   Teaching & Service
----------------------------------------------------------------*/
.ts-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}
@media (min-width: 640px){
  .ts-grid{ grid-template-columns: 1fr 1fr; }
}

.ts-block h3{
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.05rem;
  margin: 0 0 0.9rem;
}

.ts-block ul{
  list-style: none;
  margin: 0;
  padding: 0;
}

.ts-block li{
  padding: 0.6rem 0;
  border-top: 1px solid var(--line);
  font-size: 0.92rem;
  color: var(--ink-soft);
}
.ts-block li:last-child{ border-bottom: 1px solid var(--line); }

.ts-block li strong{ color: var(--ink); font-weight: 500; }

.ts-subhead{
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 1.5rem 0 0.5rem;
}
.ts-subhead:first-of-type{ margin-top: 0; }

/* ---------------------------------------------------------------
   Footer
----------------------------------------------------------------*/
.footer{
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 2.5rem var(--pad) 4rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  align-items: center;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--ink-faint);
}

.footer a{ color: var(--ink-soft); border-bottom: 1px solid var(--line-strong); }
.footer a:hover{ color: var(--accent); border-color: var(--accent); }

/* focus visibility */
a:focus-visible, button:focus-visible{
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}