/* ============================================================
   Noah Egan — personal site
   Plain CSS. Edit colors in the :root block below.
   ============================================================ */

:root {
  --bg:        #fcfcf9;   /* warm off-white page background       */
  --ink:       #1b1b19;   /* main text                            */
  --muted:     #6f6d66;   /* captions, affiliation, sidebar meta  */
  --rule:      #e4e2da;   /* hairline dividers                    */
  --accent:    #2f6f5e;   /* links — a muted forest green         */
  --accent-hi: #1f5848;   /* link hover                           */

  --serif: "Newsreader", Georgia, "Times New Roman", serif;
  --mono:  "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --measure: 40rem;       /* comfortable text line length         */
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.55;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  transition: color .15s ease, border-color .15s ease;
}
a:hover { color: var(--accent-hi); border-bottom-color: var(--accent-hi); }
a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ---------- Layout ---------- */
.page {
  max-width: 1040px;
  margin: 0 auto;
  padding: 4.5rem 2rem 6rem;
  display: grid;
  grid-template-columns: 1fr 240px;
  column-gap: 3.5rem;
  row-gap: 0;
  align-items: start;
}

.main { min-width: 0; }

/* ---------- Masthead ---------- */
.masthead {
  grid-column: 1 / -1;
  margin-bottom: 2.4rem;
}

.name {
  font-size: 3.4rem;
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin: 0;
}

.tagline {
  margin: .55rem 0 0;
  color: var(--muted);
  font-size: 1.05rem;
  font-style: italic;
}

/* ---------- Intro / research interests ---------- */
.intro p {
  max-width: var(--measure);
  margin: 0 0 1.1rem;
}

/* ---------- Section blocks ---------- */
.block { margin-top: 3rem; }

.block-title {
  font-size: .82rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-family: var(--mono);
  color: var(--muted);
  margin: 0 0 1.4rem;
  padding-bottom: .55rem;
  border-bottom: 1px solid var(--rule);
}

/* ---------- Projects ---------- */
.project {
  max-width: var(--measure);
  margin-bottom: 2rem;
}

.project-title {
  font-size: 1.32rem;
  font-weight: 600;
  margin: 0 0 .45rem;
  line-height: 1.25;
}

.project p { margin: 0 0 .5rem; }

.project-links {
  font-family: var(--mono);
  font-size: .82rem;
}

/* ---------- Publications ---------- */
.subhead {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 1.8rem 0 .8rem;
}

.pubs {
  max-width: var(--measure);
  margin: 0;
  padding-left: 1.4rem;
}
.pubs li { margin-bottom: .9rem; }
.pubs strong { font-weight: 600; }

/* ---------- Sidebar ---------- */
.sidebar { position: sticky; top: 4.5rem; }
.photo {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  display: block;
  background: var(--rule);   /* shows a grey block until photo is added */
  border-radius: 3px;
  margin-bottom: 1.3rem;
}

.meta { margin-bottom: 1.1rem; }
.meta-role {
  margin: 0;
  font-weight: 600;
}
.meta-line {
  margin: .1rem 0 0;
  color: var(--muted);
  font-size: .98rem;
}
.meta-line a { color: var(--muted); border-bottom-color: var(--rule); }
.meta-line a:hover { color: var(--accent); border-bottom-color: var(--accent); }

.links {
  display: flex;
  flex-direction: column;
  gap: .45rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: .9rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 760px) {
  .page {
    grid-template-columns: 1fr;
    row-gap: 2.2rem;
    padding: 2.5rem 1.4rem 4rem;
  }
  .masthead { margin-bottom: 0; order: 1; }
  .sidebar {
    position: static;
    order: 2;
    display: grid;
    grid-template-columns: 96px 1fr;
    grid-template-areas: "photo meta" "photo links";
    gap: .3rem 1.2rem;
    align-items: start;
  }
  .main { order: 3; }
  .photo  { grid-area: photo; margin-bottom: 0; }
  .meta:first-of-type { grid-area: meta; margin-bottom: .4rem; }
  .meta:last-of-type  { display: none; }   /* email shown in links row instead, optional */
  .links  {
    grid-area: links;
    flex-flow: row wrap;
    gap: .4rem 1.1rem;
    border-top: none;
    padding-top: .3rem;
  }
  .name { font-size: 2.6rem; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}