/* Abhay Jindal — Preprint theme
   Ink on white, one accent (arXiv red), Crimson Pro for headings, Libre Franklin for text. */

:root {
  --ink: #1B1D22;
  --text: #2A2D33;
  --sub: #4A4F5A;
  --small: #5E636E;
  --red: #B31B1B;
  --red-dark: #7D1212;
  --red-light: #F4A9A1;
  --line: #E4E5E8;
  --paper: #FFFFFF;
  --band: #F5F6F7;
  --on-dark: #E9EAEC;
  --serif: "Crimson Pro", "Crimson Text", Georgia, "Times New Roman", serif;
  --sans: "Libre Franklin", "Helvetica Neue", Helvetica, sans-serif;
  --wrap: 960px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16.5px;
  line-height: 1.7;
}
img { max-width: 100%; height: auto; }
a { color: var(--red); text-underline-offset: 2px; text-decoration-thickness: 1px; }
a:hover { color: var(--red-dark); }
a:focus-visible { outline: 2px solid var(--red); outline-offset: 2px; border-radius: 2px; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding-left: 24px; padding-right: 24px; }

/* ---------- Top bar ---------- */
.site-head { border-bottom: 1px solid var(--line); background: var(--paper); }
.site-head .wrap {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 6px 28px; padding-top: 12px; padding-bottom: 12px;
}
.site-name { font-family: var(--serif); font-size: 1.5rem; font-weight: 600; color: var(--ink); text-decoration: none; }
.site-name:hover { color: var(--ink); }
.site-nav { display: flex; flex-wrap: wrap; gap: 2px 24px; font-size: 15px; }
.site-nav a {
  color: var(--sub); text-decoration: none; padding: 10px 0 6px; border-bottom: 2px solid transparent;
}
.site-nav a:hover { color: var(--ink); }
.site-nav a[aria-current="page"] { color: var(--ink); font-weight: 600; border-bottom-color: var(--red); }

/* ---------- Header with the Blaschke product drawing ---------- */
.hero {
  background: var(--paper) url("header.jpg") right center / cover no-repeat;
  border-bottom: 1px solid var(--line);
}
.hero .wrap { padding-top: 84px; padding-bottom: 92px; }
.hero h1 {
  font-family: var(--serif); font-weight: 600; color: var(--ink);
  font-size: clamp(2.6rem, 6vw, 4.2rem); line-height: 1.02; letter-spacing: -0.005em;
  margin: 0 0 12px; max-width: 14ch;
}
.hero p { margin: 0; font-size: 1.1rem; color: var(--sub); line-height: 1.5; max-width: 34ch; }
.hero.small .wrap { padding-top: 44px; padding-bottom: 48px; }
.hero.small h1 { font-size: clamp(2.2rem, 4.6vw, 3.1rem); margin: 0; }

/* ---------- Sections ---------- */
.sec { padding: 64px 0; }
.sec + .sec { border-top: 1px solid var(--line); }
.sec.band { background: var(--band); }
.sec.dark { background: var(--ink); color: var(--on-dark); border-top: 0; }
.sec.dark a { color: var(--red-light); }
.sec.dark a:hover { color: #FFFFFF; }
.sec.dark h2 { color: #FFFFFF; }

h2 {
  font-family: var(--serif); font-weight: 600; color: var(--ink);
  font-size: 2.2rem; line-height: 1.1; margin: 0 0 18px;
}
h3 { font-family: var(--serif); font-weight: 600; color: var(--ink); font-size: 1.45rem; line-height: 1.2; margin: 0 0 10px; }
p { margin: 0 0 14px; }
p:last-child { margin-bottom: 0; }
ul { margin: 0; padding-left: 1.2em; }
li + li { margin-top: 10px; }
.muted { color: var(--small); }

.about { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 48px; align-items: start; }
.portrait {
  position: relative; aspect-ratio: 4 / 5; background: var(--band); border: 1px solid var(--line);
  display: grid; place-items: center; overflow: hidden;
}
.portrait span { font-family: var(--serif); font-size: 3rem; color: var(--small); }
.portrait img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }

.buttons { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.btn {
  display: inline-block; font-weight: 600; font-size: 14px; text-decoration: none;
  padding: 11px 18px; border-radius: 2px; background: var(--ink); color: #FFFFFF;
}
.btn:hover { background: #000000; color: #FFFFFF; }
.btn.outline { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 1.5px var(--ink); }
.btn.outline:hover { background: var(--ink); color: #FFFFFF; }
.sec.dark .btn { background: #FFFFFF; color: var(--ink); }

.news li b { color: var(--red); }

.two { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 32px 56px; }

/* ---------- Publications ---------- */
.pubs { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 26px; }
.pubs li { display: grid; grid-template-columns: 3.2rem minmax(0, 1fr); gap: 4px; margin: 0; }
.pubs .num { font-family: var(--serif); color: var(--red); font-size: 1.15rem; font-variant-numeric: tabular-nums; line-height: 1.55; }
.pubs .title { font-family: var(--serif); font-weight: 600; color: var(--ink); font-size: 1.22rem; line-height: 1.3; display: block; }
.pubs .meta { display: block; color: var(--small); font-size: 15px; }
.pubs .venue { display: block; font-size: 15px; }

/* ---------- Lists: talks, teaching, positions, honours ---------- */
.entries { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 20px; }
.entries li { margin: 0; }
.what { font-family: var(--serif); font-weight: 600; color: var(--ink); font-size: 1.18rem; line-height: 1.3; display: block; }
.where { display: block; color: var(--small); font-size: 15px; }
.code { font-variant-numeric: tabular-nums; font-weight: 600; color: var(--ink); }

/* CV-style list with the date in its own column */
.dated { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 18px; }
.dated li { display: grid; grid-template-columns: 7.6rem minmax(0, 1fr); gap: 2px 20px; margin: 0; }
.dated .when { color: var(--red); font-size: 14.5px; font-variant-numeric: tabular-nums; padding-top: 3px; line-height: 1.5; }
.two .dated li { grid-template-columns: 6.4rem minmax(0, 1fr); gap: 2px 16px; }

/* Profile links */
.profiles { display: flex; flex-wrap: wrap; gap: 4px 20px; margin-top: 16px; font-size: 15px; }

/* ---------- Footer ---------- */
.site-foot { border-top: 1px solid var(--line); padding: 26px 0 32px; font-size: 13.5px; color: var(--small); }
.site-foot p { margin: 0; }

/* ---------- Small screens ---------- */
@media (max-width: 720px) {
  .wrap { padding-left: 18px; padding-right: 18px; }
  .hero { background-position: 70% center; }
  .hero .wrap { padding-top: 56px; padding-bottom: 64px; }
  .hero p { background: rgba(255, 255, 255, 0.85); }
  .sec { padding: 48px 0; }
  .about, .two { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .portrait { max-width: 170px; }
  h2 { font-size: 1.9rem; }
  .pubs li { grid-template-columns: 2.6rem minmax(0, 1fr); }
  .dated li, .two .dated li { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .dated .when { padding-top: 0; }
}