/* vinayak-agarwal.com — hand-written, no framework */

:root {
  --bg: #faf8f4;
  --surface: #ffffff;
  --ink: #1b1d1f;
  --ink-2: #4a4f55;
  --ink-3: #666b72;
  --rule: #e6e1d8;
  --accent: #0f5c57;
  --accent-soft: #e3efec;
  --serif: "Newsreader", "Iowan Old Style", Georgia, serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --wrap: 1040px;
  --read: 680px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121416;
    --surface: #1a1d20;
    --ink: #ecebe7;
    --ink-2: #b9bcbf;
    --ink-3: #8d9297;
    --rule: #2c3034;
    --accent: #7cc7bd;
    --accent-soft: #1d2f2d;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 76px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 17px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }
p { margin: 0 0 1em; }
h1, h2, h3 { font-family: var(--serif); font-weight: 500; line-height: 1.2; margin: 0; letter-spacing: -0.01em; text-wrap: balance; }
p { text-wrap: pretty; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.skip { position: absolute; left: -999px; top: 8px; z-index: 100; background: var(--surface); color: var(--accent); padding: 8px 12px; border-radius: 4px; box-shadow: 0 2px 8px rgb(0 0 0 / .15); }
.skip:focus { left: 8px; }

/* ---------- top bar ---------- */
.topbar { border-bottom: 1px solid var(--rule); background: var(--bg); background: color-mix(in srgb, var(--bg) 88%, transparent); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); position: sticky; top: 0; z-index: 10; }
.topbar__inner { display: flex; align-items: center; justify-content: space-between; height: 60px; gap: 16px; }
.wordmark { font-family: var(--serif); font-size: 20px; color: var(--ink); text-decoration: none; white-space: nowrap; }
.topbar nav { display: flex; gap: 22px; }
.topbar nav a { color: var(--ink-2); text-decoration: none; font-size: 15px; font-weight: 500; }
.topbar nav a:hover, .topbar nav a[aria-current="page"] { color: var(--ink); }
.topbar nav a[aria-current="page"] { box-shadow: inset 0 -2px 0 var(--accent); }

/* ---------- hero ---------- */
.hero { padding: 72px 0 56px; }
.hero__grid { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 56px; align-items: center; }
.eyebrow { font-size: 13px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); margin-bottom: 14px; }
.hero h1 { font-size: clamp(40px, 6vw, 60px); margin-bottom: 18px; }
.hero__lede { text-wrap: balance; font-family: var(--serif); font-size: clamp(21px, 2.4vw, 25px); line-height: 1.45; color: var(--ink-2); margin-bottom: 22px; max-width: 34ch; }
.hero__lede strong { color: var(--ink); font-weight: 500; }
.hero__body { color: var(--ink-2); max-width: 60ch; }
.portrait { width: 100%; height: auto; aspect-ratio: 4 / 5; object-fit: cover; object-position: 50% 20%; border-radius: 6px; background: var(--rule); }
.links { list-style: none; display: flex; flex-wrap: wrap; gap: 6px 18px; padding: 0; margin: 0; font-size: 15px; }
.links a { display: inline-block; padding: 4px 0; color: var(--ink-2); text-decoration: none; border-bottom: 1px solid var(--rule); }
.links a:hover { color: var(--accent); border-color: var(--accent); }
.hero .links { margin-top: 26px; }

/* ---------- sections ---------- */
.section { padding: 56px 0; border-top: 1px solid var(--rule); }
.section__head { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 40px; }
.section__label { font-size: 13px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); padding-top: 6px; }
.section h2 { font-size: 30px; margin-bottom: 18px; color: var(--ink); }
.prose { max-width: var(--read); color: var(--ink-2); }
.prose strong { color: var(--ink); font-weight: 600; }

/* featured paper */
.feature { background: var(--surface); border: 1px solid var(--rule); border-left: 3px solid var(--accent); border-radius: 6px; padding: 28px 30px; max-width: var(--read); }
.feature__meta { font-size: 14px; color: var(--ink-3); margin-bottom: 10px; }
.feature__meta strong { color: var(--accent); font-weight: 600; }
.feature h3 { font-size: 24px; margin-bottom: 14px; }
.feature h3 a { color: var(--ink); text-decoration: none; }
.feature h3 a:hover { color: var(--accent); }
.feature p { color: var(--ink-2); }
.feature .authors { font-size: 15px; color: var(--ink-3); }
.feature .authors strong { color: var(--ink); font-weight: 600; }
.btnrow { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.btn { display: inline-block; font-size: 14px; font-weight: 500; padding: 8px 14px; border-radius: 4px; text-decoration: none; border: 1px solid var(--rule); color: var(--ink); background: var(--bg); }
.btn--primary { background: var(--accent); border-color: var(--accent); color: var(--bg); }
.btn:hover { border-color: var(--accent); }

/* arc / timeline */
.arc { list-style: none; padding: 0; margin: 0; max-width: var(--read); }
.arc li { position: relative; padding: 0 0 30px 30px; border-left: 1px solid var(--rule); }
.arc li:last-child { padding-bottom: 0; border-left-color: transparent; }
.arc li::before { content: ""; position: absolute; left: -5px; top: 9px; width: 9px; height: 9px; border-radius: 50%; background: var(--bg); border: 2px solid var(--accent); }
.arc li:first-child::before { background: var(--accent); }
.arc__when { font-size: 13px; font-weight: 600; letter-spacing: 0.04em; color: var(--ink-3); }
.arc h3 { font-family: var(--sans); font-size: 18px; font-weight: 600; margin: 2px 0 6px; }
.arc p { color: var(--ink-2); margin: 0; }

/* publications */
.pubs { list-style: none; padding: 0; margin: 0; max-width: 760px; }
.pub { display: grid; grid-template-columns: 52px minmax(0, 1fr); gap: 14px; padding: 16px 0; border-bottom: 1px solid var(--rule); }
.pub:first-child { padding-top: 0; }
.pub__year { font-size: 14px; color: var(--ink-3); font-variant-numeric: tabular-nums; padding-top: 2px; }
.pub__title { color: var(--ink); text-decoration: none; font-weight: 500; }
.pub__title:hover { color: var(--accent); text-decoration: underline; }
.pub__authors, .pub__venue { font-size: 14.5px; color: var(--ink-3); margin: 2px 0 0; }
.pub__authors strong { color: var(--ink); font-weight: 600; }
.more { margin-top: 22px; font-weight: 500; }

/* two-up cards */
.cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; max-width: 760px; }
.card { background: var(--surface); border: 1px solid var(--rule); border-radius: 6px; padding: 22px 24px; }
.card h3 { font-family: var(--sans); font-size: 17px; font-weight: 600; margin-bottom: 6px; }
.card p { color: var(--ink-2); font-size: 15.5px; margin: 0; }
.card p + p { margin-top: 10px; }

/* inner pages */
.pagehead { padding: 64px 0 28px; }
.pagehead h1 { font-size: clamp(36px, 5vw, 48px); margin-bottom: 10px; }
.pagehead p { color: var(--ink-2); max-width: 60ch; margin: 0; }
.group { padding: 34px 0; border-top: 1px solid var(--rule); }
.group h2 { font-size: 24px; margin-bottom: 20px; }
.cv-item { display: grid; grid-template-columns: 170px minmax(0, 1fr); gap: 24px; padding: 14px 0; border-bottom: 1px solid var(--rule); max-width: 860px; }
.cv-item:last-child { border-bottom: 0; }
.cv-item__when { font-size: 14px; color: var(--ink-3); padding-top: 2px; }
.cv-item h3 { font-family: var(--sans); font-size: 17px; font-weight: 600; margin: 0 0 2px; }
.cv-item h3 span { font-weight: 400; color: var(--ink-3); }
.cv-item p { color: var(--ink-2); font-size: 15.5px; margin: 4px 0 0; }
.plain { padding-left: 1.1em; margin: 0; max-width: 760px; color: var(--ink-2); }
.plain li { margin-bottom: 6px; }

/* footer */
.footer { border-top: 1px solid var(--rule); padding: 28px 0 40px; margin-top: 40px; font-size: 14px; color: var(--ink-3); }
.footer__inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; align-items: center; }
.footer p { margin: 0; }

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  .hero { padding: 40px 0 36px; }
  .hero__grid { grid-template-columns: 1fr; gap: 28px; }
  .hero__photo { order: -1; width: 128px; }
  .portrait { aspect-ratio: 1; border-radius: 50%; object-position: 50% 18%; }
  .section__head { grid-template-columns: 1fr; gap: 6px; }
  .cards { grid-template-columns: 1fr; }
  .cv-item { grid-template-columns: 1fr; gap: 2px; }
}
@media (max-width: 520px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  .wordmark { font-size: 18px; }
  .topbar nav { gap: 14px; }
  .topbar nav a { font-size: 14px; }
  .section { padding: 40px 0; }
  .feature { padding: 22px 20px; }
  .pub { grid-template-columns: 1fr; gap: 2px; }
}
@media print {
  :root { --bg: #fff; --surface: #fff; --ink: #000; --ink-2: #222; --ink-3: #555; --rule: #ccc; --accent: #0f5c57; }
  .topbar, .footer, .skip, .btnrow, .hero__photo { display: none; }
  body { background: #fff; color: #000; font-size: 10.5pt; }
  .hero { padding: 0 0 12pt; }
  .hero__grid, .section__head { display: block; }
  .section, .group { padding: 12pt 0; break-inside: avoid-page; }
  .feature, .card { border: 1px solid #ccc; }
  a { color: #000; }
}