/* samuelmororo.com
   Two columns: a fixed identity column on the left, the work on the right.
   One serif family, near-white paper, ink text, one quiet accent. */

:root {
  --paper:  #fbfaf7;
  --ink:    #111111;
  --muted:  #2e2e31;
  --faint:  #505055;
  --rule:   #b9b2a5;
  --accent: #7c2a21;

  --serif: "Source Serif 4", Georgia, "Iowan Old Style", Charter, serif;
  --sans:  -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;

  --aside: 17rem;
  --label: 9.5rem;
}

* { box-sizing: border-box; }
body, h1, h2, h3, p, ul, ol, li, figure, blockquote { margin: 0; padding: 0; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

html { background: var(--paper); }
body {
  font-family: var(--serif);
  font-size: 17.5px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  /* Column so the footer sits at the bottom even on short pages. */
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-optical-sizing: auto;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: .18em;
  text-decoration-color: var(--rule);
  transition: color .15s, text-decoration-color .15s;
}
a:hover { color: var(--accent); text-decoration-color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* Both languages live in the HTML; hide the inactive one. */
html[data-lang="pt"] .en,
html[data-lang="en"] .pt { display: none !important; }

/* Small uppercase labels: nav, section labels, language button. */
.label, .nav a, .lang {
  font-size: .74rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
}

/* ---------- page grid ---------- */
.page {
  flex: 1 0 auto;
  width: 100%;
  max-width: 74rem;
  margin: 0 auto;
  padding: 4.5rem 2.5rem 5rem;
  display: grid;
  grid-template-columns: var(--aside) minmax(0, 1fr);
  column-gap: 5.5rem;
}

/* ---------- identity column ---------- */
.aside {
  position: sticky;
  top: 4.5rem;
  align-self: start;
}

/* The name on one line, framed by the double rule: thick above, thin below. */
.name {
  font-size: 2.1rem;
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -.02em;
  white-space: nowrap;
  padding-block: .9rem .95rem;
  border-top: 4px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}
.name a { text-decoration: none; }
.name a:hover { color: inherit; }

.role {
  margin-top: 1rem;
  font-size: .95rem;
  line-height: 1.45;
  color: var(--muted);
  font-style: italic;
}

.portrait {
  margin-top: 1.6rem;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: 50% 25%;
  filter: grayscale(1) contrast(1.06);
}

.nav { margin-top: 2rem; }
.nav li + li { margin-top: .5rem; }
.nav a {
  text-decoration: none;
  color: var(--faint);
  display: inline-flex;
  align-items: center;
}
.nav a:hover { color: var(--ink); }
.nav a[aria-current="page"] { color: var(--ink); }

.aside-foot {
  margin-top: 2rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--rule);
  font-size: .9rem;
  line-height: 1.55;
  color: var(--muted);
}
.aside-foot p + p { margin-top: .2rem; }

.lang {
  margin-top: 1rem;
  font-family: var(--serif);
  color: var(--faint);
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}
.lang:hover { color: var(--accent); }

/* ---------- content column ---------- */
.content { min-width: 0; max-width: 44rem; }

.page-title {
  font-size: 2.1rem;
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -.02em;
  padding-top: .9rem;
  border-top: 4px solid var(--ink); /* level with the name's rule */
  margin-bottom: .5rem;
}
.intro { margin-top: 1.25rem; color: var(--muted); max-width: 36rem; }

/* A section is a label in the margin plus its body; space separates them.
   The first one sits on a thick rule level with the name's. */
.section {
  display: grid;
  grid-template-columns: var(--label) minmax(0, 1fr);
  column-gap: 2rem;
  margin-top: 3.25rem;
}
.content > .section:first-child { margin-top: 0; padding-top: 1.1rem; border-top: 4px solid var(--ink); }
.section > .label { color: var(--ink); padding-top: .3rem; }
.section p + p { margin-top: .95rem; }


/* ---------- papers ---------- */
.paper + .paper { margin-top: 2rem; }
.paper h3 {
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.35;
}
.paper .meta { margin-top: .3rem; font-size: .93rem; color: var(--faint); font-style: italic; }
.paper .abstract { margin-top: .65rem; font-size: .97rem; color: var(--muted); }
.paper .files { margin-top: .6rem; font-size: .9rem; }
.paper .files a + a { margin-left: 1rem; }

/* ---------- dated lists (education) ---------- */
.rows li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  column-gap: 1.5rem;
}
.rows li + li { margin-top: 1rem; }
.rows .what { font-weight: 600; }
.rows .where { display: block; font-size: .95rem; color: var(--muted); }
.rows .when { font-size: .9rem; color: var(--faint); white-space: nowrap; padding-top: .1rem; font-variant-numeric: lining-nums tabular-nums; }

.more { margin-top: 1.4rem; font-size: .93rem; }

/* ---------- writing index ---------- */
.postlist li + li { margin-top: 2rem; }
.postlist .when { font-size: .88rem; color: var(--faint); }
.postlist .title { margin-top: .15rem; font-size: 1.12rem; font-weight: 600; line-height: 1.35; }
.postlist .title a { text-decoration: none; }
.postlist .blurb { margin-top: .3rem; font-size: .97rem; color: var(--muted); }

/* ---------- a single piece of writing ---------- */
.post { max-width: 38rem; }
.post h1 {
  font-size: 2.1rem;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -.02em;
  padding-top: .9rem;
  border-top: 4px solid var(--ink);
}
.post .byline { margin-top: .8rem; margin-bottom: 2.5rem; font-size: .93rem; color: var(--faint); font-style: italic; }
.post p + p { margin-top: 1rem; }
.post h2 { font-size: 1.2rem; font-weight: 600; margin: 2.4rem 0 .8rem; }
.post ul, .post ol { list-style: revert; padding-left: 1.35rem; margin-top: 1rem; }
.post li { margin-top: .3rem; }
.post blockquote {
  margin: 1.6rem 0;
  padding-left: 1.2rem;
  border-left: 1px solid var(--accent);
  font-style: italic;
  color: var(--muted);
}
.post figure { margin: 2rem 0; }
.post figcaption { font-size: .88rem; color: var(--faint); margin-top: .6rem; }

/* Numbers in tables are set in sans with tabular figures, so columns align. */
.tablewrap { overflow-x: auto; margin: 1.75rem 0; }
.post table { border-collapse: collapse; font-family: var(--sans); font-size: .85rem; min-width: 100%; }
.post th, .post td {
  text-align: left;
  padding: .5rem 1rem .5rem 0;
  border-bottom: 1px solid var(--rule);
  font-variant-numeric: tabular-nums;
}
.post th { font-weight: 600; border-bottom-color: var(--ink); }
.back { margin-top: 3rem; font-size: .93rem; }

/* ---------- footer: full width, pinned to the bottom of the page ---------- */
.foot {
  width: 100%;
  max-width: 74rem;
  margin: 0 auto;
  padding: 0 2.5rem 2.5rem;
  font-size: .82rem;
  color: var(--faint);
}
.foot p { padding-top: 1rem; border-top: 1px solid var(--rule); }

/* ---------- narrow screens: one column ---------- */
@media (max-width: 900px) {
  .page { grid-template-columns: minmax(0, 1fr); padding: 2.25rem 1.25rem 3.5rem; }
  .foot { padding: 0 1.25rem 2rem; }
  .aside { position: static; margin-bottom: 2.75rem; }
  .name { font-size: 1.9rem; }
  .portrait { width: 7.5rem; margin-top: 1.4rem; }
  .nav { display: flex; flex-wrap: wrap; gap: .5rem 1.4rem; margin-top: 1.5rem; }
  .nav li + li { margin-top: 0; }
    .nav a[aria-current="page"] { text-decoration: underline; text-decoration-color: var(--accent); text-underline-offset: .35em; }
  .aside-foot { display: flex; flex-wrap: wrap; align-items: baseline; gap: .2rem 1.25rem; }
  .aside-foot p + p { margin-top: 0; }
  .lang { margin-top: 0; }
  .section { grid-template-columns: minmax(0, 1fr); margin-top: 2.25rem; }
  .section > .label { margin-bottom: .75rem; padding-top: 0; }
  .rows li { grid-template-columns: minmax(0, 1fr); }
  .rows .when { padding-top: 0; }
}