/* ============================================================
   nirodya.com
   ============================================================ */

:root{
  --paper:      #fbfaf8;
  --paper-2:    #ffffff;
  --ink:        #17171b;
  --ink-2:      #3a3a42;
  --muted:      #63636d;
  --faint:      #75757f;
  --line:       rgba(23,23,27,.11);
  --line-soft:  rgba(23,23,27,.055);
  --accent:     #2f4858;

  --serif: "Newsreader", "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;

  --wrap: 1140px;
  --pad: clamp(1.375rem, 5vw, 4.5rem);
  --gap: clamp(2.25rem, 7vw, 6rem);
  --sec-y: clamp(3.75rem, 7.5vw, 6.5rem);

  color-scheme: light;
}

*,*::before,*::after{ box-sizing:border-box; }

html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:6rem;
}

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:1rem;
  line-height:1.7;
  font-weight:400;
  letter-spacing:-.006em;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;
}

/* faintest possible paper tone behind the hero only */
.hero{
  position:relative;
  background:linear-gradient(180deg,#fdfdfc 0%,rgba(253,253,252,0) 72%);
}

img{ max-width:100%; height:auto; display:block; }
h1,h2,h3,h4{ margin:0; font-weight:400; }
p,ul,ol,dl{ margin:0; }
ul,ol{ list-style:none; padding:0; }

a{ color:inherit; text-decoration:none; }

.wrap{
  width:100%;
  max-width:var(--wrap);
  margin-inline:auto;
  padding-inline:var(--pad);
  position:relative; z-index:1;
}

.skip{
  position:absolute; left:-9999px; top:0;
  background:var(--ink); color:var(--paper);
  padding:.75rem 1.25rem; z-index:100; font-size:.875rem;
}
.skip:focus{ left:0; }

:focus-visible{
  outline:1.5px solid var(--accent);
  outline-offset:3px;
  border-radius:2px;
}

/* ── Navigation ───────────────────────────────────────── */

.nav{
  position:fixed; top:0; left:0; right:0; z-index:50;
  background:rgba(251,250,248,.72);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .4s ease, background .4s ease;
}
.nav.stuck{
  border-bottom-color:var(--line-soft);
  background:rgba(251,250,248,.88);
}
.nav-in{
  display:flex; align-items:center; justify-content:space-between;
  gap:2rem; height:4.25rem;
}
.nav-name{
  font-family:var(--serif);
  font-size:1.0625rem;
  letter-spacing:.005em;
  color:var(--muted);
  white-space:nowrap;
  transition:color .3s ease;
}
.nav-name span{ color:var(--ink); }
.nav-name:hover{ color:var(--ink); }

.nav-links{ display:flex; gap:clamp(1rem,2.2vw,1.875rem); }
.nav-links a{
  font-size:.8125rem;
  letter-spacing:.01em;
  color:var(--muted);
  position:relative;
  padding-block:.35rem;
  transition:color .3s ease;
}
.nav-links a::after{
  content:""; position:absolute; left:0; right:0; bottom:.05rem;
  height:1px; background:currentColor;
  transform:scaleX(0); transform-origin:left;
  transition:transform .45s cubic-bezier(.2,.7,.2,1);
}
.nav-links a:hover{ color:var(--ink); }
.nav-links a:hover::after,
.nav-links a.active::after{ transform:scaleX(1); }
.nav-links a.active{ color:var(--ink); }

@media (max-width:720px){ .nav-links{ display:none; } }

/* ── Hero ─────────────────────────────────────────────── */

.hero{ padding-top:clamp(6rem,12vh,8.5rem); padding-bottom:clamp(2.5rem,5vw,4rem); }

.hero-in{
  display:grid;
  grid-template-columns:minmax(0,34rem) auto;
  justify-content:space-between;
  gap:clamp(2rem,5vw,4rem);
  align-items:start;
}
@media (max-width:900px){
  .hero-in{ grid-template-columns:1fr; gap:clamp(1.75rem,5vw,2.5rem); }
}

.eyebrow{
  display:flex; align-items:center; gap:.6rem;
  font-size:.6875rem;
  text-transform:uppercase;
  letter-spacing:.17em;
  color:var(--muted);
  margin-bottom:clamp(1rem,1.8vw,1.375rem);
}
.dot{
  width:5px; height:5px; border-radius:50%;
  background:var(--accent); flex:none;
  box-shadow:0 0 0 3px rgba(47,72,88,.12);
}

.hero-name{
  font-family:var(--serif);
  font-size:clamp(2.5rem,5.2vw,4.25rem);
  font-weight:300;
  line-height:1.02;
  letter-spacing:-.025em;
  margin-bottom:clamp(1.25rem,2.2vw,1.75rem);
}

.lead{
  font-family:var(--serif);
  font-size:clamp(1.125rem,1.55vw,1.3125rem);
  font-weight:300;
  line-height:1.52;
  letter-spacing:-.012em;
  color:var(--ink-2);
  max-width:44ch;
}
.lead em{ font-style:italic; color:var(--ink); }

.lead-sub{
  margin-top:1.125rem;
  font-size:.9375rem;
  line-height:1.72;
  color:var(--muted);
  max-width:50ch;
}

/* link rows */
.hero-links{
  display:flex; flex-wrap:wrap;
  gap:.5rem clamp(1.125rem,2.5vw,2rem);
  margin-top:clamp(1.625rem,2.8vw,2.125rem);
  font-size:.8125rem;
  letter-spacing:.005em;
}
.hero-links a{
  color:var(--ink-2);
  padding-bottom:.3rem;
  background-image:linear-gradient(var(--accent),var(--accent));
  background-repeat:no-repeat;
  background-position:0 100%;
  background-size:100% 1px;
  transition:color .3s ease, background-size .45s cubic-bezier(.2,.7,.2,1);
}
.hero-links a:hover{
  color:var(--accent);
  background-size:100% 1.5px;
}
.hero-links .cv{
  background-image:linear-gradient(var(--ink),var(--ink));
  color:var(--ink);
}
.hero-links .cv:hover{ color:var(--ink); }

/* portrait — a circular mark, not a photographic slab */
.portrait{
  margin:0;
  justify-self:end;
  align-self:start;
  margin-top:clamp(1.5rem,2.6vw,2.25rem);
}
.portrait img{
  width:clamp(8.5rem,13vw,11.5rem);
  aspect-ratio:1;
  object-fit:cover;
  border-radius:50%;
  background:#0b0b0d;
  box-shadow:0 0 0 1px rgba(23,23,27,.08),
             0 12px 30px -16px rgba(23,23,27,.35);
}
@media (max-width:900px){
  /* stacked: the portrait leads, above the name, rather than trailing the text */
  .portrait{ order:-1; justify-self:start; align-self:start; }
  .portrait img{ width:8.5rem; }
}

/* fact strip */
.facts{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:1px;
  margin-top:clamp(2.5rem,4.5vw,3.5rem);
  border-top:1px solid var(--line);
  background:var(--line-soft);
}
.facts > div{
  background:var(--paper);
  padding:clamp(1.25rem,2.4vw,1.75rem) clamp(.875rem,1.8vw,1.5rem) .25rem 0;
}
.facts dt{
  font-size:.625rem; text-transform:uppercase; letter-spacing:.16em;
  color:var(--faint); margin-bottom:.5rem;
}
.facts dd{
  margin:0;
  font-family:var(--serif);
  font-size:clamp(1rem,1.35vw,1.125rem);
  line-height:1.35;
  color:var(--ink);
}
.facts dd span{ display:block; color:var(--muted); font-size:.8125rem; font-family:var(--sans); margin-top:.25rem; }
@media (max-width:760px){
  .facts{ grid-template-columns:repeat(2,minmax(0,1fr)); }
}

/* ── Section scaffold ─────────────────────────────────── */

.section{ padding-block:var(--sec-y); border-top:1px solid var(--line-soft); }

.grid{
  display:grid;
  grid-template-columns:minmax(0,11rem) minmax(0,1fr);
  gap:var(--gap);
  align-items:start;
}
@media (max-width:900px){
  .grid{ grid-template-columns:1fr; gap:2rem; }
}

.aside{ position:sticky; top:7rem; }
@media (max-width:900px){
  .aside{ position:static; display:flex; align-items:baseline; gap:.875rem; }
}
.idx{
  display:block;
  font-size:.625rem; letter-spacing:.16em;
  color:var(--faint);
  margin-bottom:.625rem;
}
@media (max-width:900px){ .idx{ margin-bottom:0; } }
.label{
  font-size:.75rem;
  text-transform:uppercase;
  letter-spacing:.17em;
  color:var(--ink);
}

.body{ max-width:44rem; }

.display{
  text-wrap:balance;
  font-family:var(--serif);
  font-size:clamp(1.75rem,3.3vw,2.625rem);
  font-weight:300;
  line-height:1.2;
  letter-spacing:-.022em;
  max-width:20ch;
  margin-bottom:clamp(1.75rem,3vw,2.25rem);
}

.thesis{
  margin-bottom:clamp(2rem,4vw,2.75rem);
  padding:clamp(1.25rem,2.4vw,1.625rem) 0 clamp(1.25rem,2.4vw,1.625rem) clamp(1.125rem,2vw,1.5rem);
  border-left:2px solid var(--accent);
  background:linear-gradient(90deg,rgba(47,72,88,.045),rgba(47,72,88,0) 72%);
}
.thesis-label{
  font-size:.625rem; text-transform:uppercase; letter-spacing:.16em;
  color:var(--accent); margin-bottom:.5rem;
}
.thesis-title{
  font-family:var(--serif);
  font-size:clamp(1.125rem,1.8vw,1.375rem);
  font-weight:400; line-height:1.35; letter-spacing:-.015em;
  color:var(--ink); margin-bottom:.625rem;
}
.thesis-meta{
  font-size:.8125rem; line-height:1.6; color:var(--muted); max-width:54ch;
}
.thesis-meta + .thesis-meta{ margin-top:.375rem; }

.prose p{
  text-wrap:pretty;
  font-size:1rem;
  line-height:1.8;
  color:var(--ink-2);
  max-width:62ch;
}
.prose p + p{ margin-top:1.125rem; }
.prose em{ font-family:var(--serif); font-style:italic; font-size:1.0625em; color:var(--ink); }

.note{
  margin-top:1.75rem !important;
  padding-left:1.125rem;
  border-left:1px solid var(--line);
  font-family:var(--serif);
  font-style:italic;
  font-size:1.0625rem !important;
  line-height:1.6 !important;
  color:var(--muted) !important;
}

.sub{
  font-size:.6875rem;
  text-transform:uppercase;
  letter-spacing:.17em;
  color:var(--faint);
  margin-top:clamp(3rem,6vw,4.5rem);
  margin-bottom:1.5rem;
}
.sub:first-child{ margin-top:0; }

.intro{
  font-family:var(--serif);
  font-size:clamp(1.125rem,1.75vw,1.375rem);
  font-weight:300;
  line-height:1.6;
  letter-spacing:-.012em;
  color:var(--ink-2);
  max-width:36ch;
}

.tail{
  margin-top:2.25rem;
  font-size:.875rem;
  color:var(--muted);
  max-width:58ch;
}
.tail a{
  background-image:linear-gradient(var(--accent),var(--accent));
  background-repeat:no-repeat; background-position:0 100%; background-size:100% 1px;
  color:var(--accent);
  transition:background-size .4s ease;
}
.tail a:hover{ background-size:100% 1.5px; }

/* ── Research threads ─────────────────────────────────── */

.threads{ margin-top:clamp(3rem,6vw,4.25rem); }
.threads li{
  display:grid;
  grid-template-columns:3.25rem 1fr;
  gap:0 .5rem;
  padding-block:1.625rem;
  border-top:1px solid var(--line-soft);
}
.threads li:last-child{ border-bottom:1px solid var(--line-soft); }
.threads .n{
  font-size:.625rem; letter-spacing:.14em; color:var(--faint);
  padding-top:.45rem;
}
.threads h4{
  font-family:var(--serif);
  font-size:1.1875rem;
  font-weight:400;
  letter-spacing:-.015em;
  line-height:1.35;
}
.threads p{
  grid-column:2;
  margin-top:.5rem;
  font-size:.9375rem;
  line-height:1.72;
  color:var(--muted);
  max-width:52ch;
}
@media (max-width:560px){
  .threads li{ grid-template-columns:1fr; }
  .threads .n{ padding-top:0; margin-bottom:.5rem; }
  .threads p{ grid-column:1; }
}

/* ── Publications ─────────────────────────────────────── */

.pub{
  padding-block:clamp(1.75rem,3.2vw,2.25rem);
  border-top:1px solid var(--line-soft);
}
.pubs li:first-child{ border-top:none; padding-top:0; }
.pubs li:last-child{ border-bottom:1px solid var(--line-soft); }

.pub-meta{
  display:flex; flex-wrap:wrap; align-items:center; gap:.5rem .875rem;
  font-size:.625rem; text-transform:uppercase; letter-spacing:.15em;
  color:var(--faint);
  margin-bottom:.875rem;
}
.pub-meta .venue{ color:var(--muted); }
.pub-meta .tag{
  color:var(--accent);
  border:1px solid rgba(47,72,88,.22);
  border-radius:999px;
  padding:.2rem .6rem;
  letter-spacing:.13em;
}
.pub h3{
  font-family:var(--serif);
  font-size:clamp(1.1875rem,1.9vw,1.4375rem);
  font-weight:400;
  line-height:1.35;
  letter-spacing:-.017em;
  max-width:36ch;
}
.pub h3 a{
  background-image:linear-gradient(var(--line),var(--line));
  background-repeat:no-repeat;
  background-position:0 100%;
  background-size:0% 1px;
  transition:background-size .5s cubic-bezier(.2,.7,.2,1), color .3s ease;
}
.pub h3 a:hover{ background-size:100% 1px; color:var(--accent); }
.arrow{
  display:inline-block;
  font-size:.75em;
  color:var(--faint);
  margin-left:.3em;
  transition:transform .35s cubic-bezier(.2,.7,.2,1), color .3s ease;
}
.pub h3 a:hover .arrow{ transform:translate(2px,-2px); color:var(--accent); }

.authors{
  margin-top:.75rem;
  font-size:.8125rem;
  color:var(--muted);
}
.authors strong{ font-weight:500; color:var(--ink-2); }

.abstract{
  margin-top:.875rem;
  font-size:.9375rem;
  line-height:1.75;
  color:var(--muted);
  max-width:58ch;
}

/* ── Roles ────────────────────────────────────────────── */

.role{
  padding-block:clamp(1.5rem,2.8vw,2rem);
  border-top:1px solid var(--line-soft);
}
.roles li:first-child{ border-top:none; padding-top:0; }
.roles li:last-child{ border-bottom:1px solid var(--line-soft); }
.roles.tight li{ padding-block:1.125rem; }

.role-head{
  display:flex; align-items:baseline; justify-content:space-between;
  gap:1.5rem;
}
.role-head h4{
  font-family:var(--serif);
  font-size:1.1875rem;
  font-weight:400;
  letter-spacing:-.015em;
  line-height:1.3;
}
.role-head time{
  flex:none;
  font-size:.6875rem;
  letter-spacing:.1em;
  color:var(--faint);
  font-variant-numeric:tabular-nums;
  white-space:nowrap;
  padding-top:.2rem;
}
.org{
  margin-top:.3125rem;
  font-size:.8125rem;
  color:var(--muted);
}
.role-body{
  margin-top:.875rem;
  font-size:.9375rem;
  line-height:1.75;
  color:var(--muted);
  max-width:58ch;
}
.stack{
  margin-top:.875rem;
  font-size:.75rem;
  letter-spacing:.015em;
  color:var(--faint);
  max-width:58ch;
}
@media (max-width:520px){
  .role-head{ flex-direction:column; gap:.5rem; }
  .role-head time{ order:-1; padding-top:0; }
}

/* ── Toolkit band ─────────────────────────────────────── */

.band{
  background:linear-gradient(180deg,#f6f5f2 0%,#f8f7f4 100%);
  border-top:1px solid var(--line-soft);
  border-bottom:1px solid var(--line-soft);
}
.kit + .kit{ margin-top:2rem; padding-top:2rem; border-top:1px solid var(--line-soft); }
.kit h3{
  font-size:.625rem; text-transform:uppercase; letter-spacing:.16em;
  color:var(--faint); margin-bottom:.75rem;
}
.kit p{
  font-size:.9375rem;
  line-height:2;
  color:var(--ink-2);
  max-width:60ch;
}

/* ── Talks ────────────────────────────────────────────── */

.photo{ margin:clamp(2.25rem,4.5vw,3rem) 0 clamp(2.5rem,5vw,3.5rem); }
.photo img{
  width:100%;
  border-radius:3px;
  filter:saturate(.82) contrast(1.02);
  box-shadow:0 1px 2px rgba(23,23,27,.05), 0 16px 40px -24px rgba(23,23,27,.3);
}
.photo figcaption{
  margin-top:.875rem;
  font-size:.75rem;
  color:var(--faint);
  letter-spacing:.01em;
}

.talks li{
  display:flex; align-items:baseline; justify-content:space-between; gap:1.5rem;
  padding-block:1.125rem;
  border-top:1px solid var(--line-soft);
}
.talks li:last-child{ border-bottom:1px solid var(--line-soft); }
.talks h4{
  font-family:var(--serif);
  font-size:1.0625rem;
  font-weight:400;
  letter-spacing:-.012em;
  line-height:1.4;
}
.talks .kw{
  font-family:var(--sans);
  font-size:.5625rem;
  text-transform:uppercase;
  letter-spacing:.15em;
  color:var(--accent);
  vertical-align:.22em;
  margin-left:.5rem;
}
.talks p{
  margin-top:.3125rem;
  font-size:.8125rem;
  color:var(--muted);
}
.talks time{
  flex:none;
  font-size:.6875rem; letter-spacing:.1em; color:var(--faint);
  font-variant-numeric:tabular-nums;
}

/* ── Awards ───────────────────────────────────────────── */

.awards{ margin-top:clamp(2rem,4vw,2.75rem); }
.awards li{
  display:grid;
  grid-template-columns:4.5rem 1fr;
  gap:0 .75rem;
  padding-block:clamp(1.5rem,2.6vw,1.875rem);
  border-top:1px solid var(--line);
}
.awards li:last-child{ border-bottom:1px solid var(--line); }
.awards time{
  font-family:var(--serif);
  font-size:1rem; letter-spacing:.01em; color:var(--accent);
  font-variant-numeric:tabular-nums; padding-top:.15rem;
}
.awards h3{
  font-family:var(--serif);
  font-size:clamp(1.125rem,1.7vw,1.3125rem);
  font-weight:400;
  letter-spacing:-.015em;
  line-height:1.32;
  max-width:34ch;
}
.award-sub{
  grid-column:2;
  margin-top:.4375rem !important;
  font-size:.6875rem !important;
  text-transform:uppercase;
  letter-spacing:.11em;
  color:var(--faint) !important;
  line-height:1.5 !important;
}
.awards p{
  grid-column:2;
  margin-top:.625rem;
  font-size:.9375rem;
  line-height:1.72;
  color:var(--muted);
  max-width:54ch;
}
.award-photo{ margin-top:clamp(2rem,4vw,2.5rem); max-width:34rem; }
.award-photo img{ filter:none; }
@media (max-width:560px){
  .awards li{ grid-template-columns:1fr; }
  .awards time{ padding-top:0; margin-bottom:.4rem; }
  .awards p, .award-sub{ grid-column:1; }
}

/* ── Contact ──────────────────────────────────────────── */

.contact .thesis{
  margin-bottom:clamp(2rem,4vw,2.75rem);
  padding:clamp(1.25rem,2.4vw,1.625rem) 0 clamp(1.25rem,2.4vw,1.625rem) clamp(1.125rem,2vw,1.5rem);
  border-left:2px solid var(--accent);
  background:linear-gradient(90deg,rgba(47,72,88,.045),rgba(47,72,88,0) 72%);
}
.thesis-label{
  font-size:.625rem; text-transform:uppercase; letter-spacing:.16em;
  color:var(--accent); margin-bottom:.5rem;
}
.thesis-title{
  font-family:var(--serif);
  font-size:clamp(1.125rem,1.8vw,1.375rem);
  font-weight:400; line-height:1.35; letter-spacing:-.015em;
  color:var(--ink); margin-bottom:.625rem;
}
.thesis-meta{
  font-size:.8125rem; line-height:1.6; color:var(--muted); max-width:54ch;
}
.thesis-meta + .thesis-meta{ margin-top:.375rem; }

.prose p{ max-width:50ch; }
.mailto{ margin-top:clamp(2rem,4vw,2.75rem); }
.mailto a{
  font-family:var(--serif);
  font-size:clamp(1.3125rem,3vw,2rem);
  font-weight:300;
  letter-spacing:-.022em;
  color:var(--ink);
  background-image:linear-gradient(var(--ink),var(--ink));
  background-repeat:no-repeat;
  background-position:0 100%;
  background-size:100% 1px;
  padding-bottom:.15em;
  transition:background-size .5s cubic-bezier(.2,.7,.2,1), color .3s ease;
}
.mailto a:hover{ background-size:0% 1px; color:var(--accent); }

/* ── Footer ───────────────────────────────────────────── */

.foot{ border-top:1px solid var(--line-soft); padding-block:2.5rem 3rem; }
.foot-in{
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:.5rem 2rem;
  font-size:.75rem; color:var(--faint); letter-spacing:.01em;
}

/* ── Reveal ───────────────────────────────────────────── */

.js .reveal{
  opacity:0;
  transform:translateY(14px);
  transition:opacity .85s cubic-bezier(.2,.7,.2,1), transform .85s cubic-bezier(.2,.7,.2,1);
  will-change:opacity, transform;
}
.js .reveal.in{ opacity:1; transform:none; }

@media (prefers-reduced-motion:reduce){
  html{ scroll-behavior:auto; }
  .js .reveal{ opacity:1; transform:none; transition:none; }
  *,*::before,*::after{ animation-duration:.01ms !important; transition-duration:.01ms !important; }
}

/* ── Print ────────────────────────────────────────────── */

@media print{
  .nav,.portrait,.photo{ display:none; }
  .hero{ background:none; }
  .reveal{ opacity:1; transform:none; }
  body{ background:#fff; font-size:10.5pt; }
  .section{ padding-block:1.25rem; break-inside:avoid; }
  .aside{ position:static; }
}