/* tomarshekhar.com — the whole site's styling lives in this one file. */

:root {
  --ground: #fbfaf6;
  --ink: #1d1c1a;
  --muted: #55524b;
  --rule: #d9d5ca;
  --link: #1e4a8c;
  --link-hover: #12305e;
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --sans: "Source Sans 3", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.6;
}

a { color: var(--link); text-underline-offset: 3px; }
a:hover { color: var(--link-hover); }
a:focus-visible { outline: 2px solid var(--link); outline-offset: 3px; border-radius: 2px; }

.page { max-width: 748px; margin: 0 auto; padding: 56px 24px 40px; }

/* Header and menu */
.site-header {
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline;
  gap: 4px 24px; padding-bottom: 16px; margin-bottom: 48px; border-bottom: 1px solid var(--rule);
}
.site-name { font-size: 26px; font-weight: 600; color: var(--ink); text-decoration: none; }
.site-header nav { display: flex; gap: 26px; font-family: var(--sans); font-size: 16px; }
.site-header nav a { text-decoration: none; padding: 10px 0; }
.site-header nav a:hover { text-decoration: underline; }
.site-header nav a[aria-current="page"] { color: var(--ink); text-decoration: underline; text-underline-offset: 5px; }

/* Headings and text */
h1 { font-size: 32px; font-weight: 600; line-height: 1.2; margin: 0 0 28px; }
h2 { font-family: var(--sans); font-size: 17px; font-weight: 600; color: var(--muted); margin: 48px 0 16px; }
p { margin: 0 0 18px; }
.more { font-family: var(--sans); font-size: 16px; margin-top: 22px; }

/* Home page: bio next to photo */
.intro { display: flex; gap: 40px; align-items: flex-start; }
.bio { flex: 1; min-width: 0; }
.contact { font-family: var(--sans); font-size: 16px; color: var(--muted); }
.portrait { width: 200px; height: 240px; object-fit: cover; border-radius: 3px; flex-shrink: 0; }

/* Lists of papers */
.papers { list-style: none; margin: 0; padding: 0; font-size: 17px; line-height: 1.5; }
.papers li { padding: 0 0 16px; }
.papers.with-years li { display: grid; grid-template-columns: 52px 1fr; gap: 12px; }
.year { font-family: var(--sans); font-size: 15px; color: var(--muted); padding-top: 2px; font-variant-numeric: tabular-nums; }
.note { display: block; font-family: var(--sans); font-size: 15px; color: var(--muted); margin-top: 2px; }

/* Media page */
.links { margin: 0; padding-left: 24px; font-size: 17px; line-height: 1.5; }
.links li { padding: 0 0 8px 4px; }
.videos { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 24px 0 0; }
.video { aspect-ratio: 16 / 9; background: #e9e6dc; border-radius: 3px; overflow: hidden; }
.video iframe { width: 100%; height: 100%; border: 0; display: block; }

.site-footer { margin-top: 64px; padding-top: 16px; border-top: 1px solid var(--rule); font-family: var(--sans); font-size: 14px; color: var(--muted); }

/* Phones */
@media (max-width: 640px) {
  body { font-size: 17px; }
  .page { padding: 28px 20px 32px; }
  .site-header { margin-bottom: 32px; }
  .site-header nav { gap: 22px; }
  .intro { flex-direction: column-reverse; gap: 24px; }
  .portrait { width: 100%; height: auto; aspect-ratio: 4 / 3; }
  .papers.with-years li { grid-template-columns: 1fr; gap: 0; }
  .videos { grid-template-columns: 1fr; }
  h1 { font-size: 28px; }
}