/* ==========================================================================
   Site theme — modelled on Minimal Mistakes / AcademicPages
   (the theme used by yanndubs.github.io)
   ========================================================================== */

:root {
  --text: #494e52;
  --muted: #7a8288;
  --faint: #9ba1a6;
  --accent: #b83a4b;
  --accent-dark: #8a2c38;
  --border: #f2f3f3;
  --border-strong: #dee0e1;
  --code-bg: #fafafa;
  --sans: -apple-system, ".SFNSText-Regular", "San Francisco", "Roboto",
          "Segoe UI", "Helvetica Neue", "Lucida Grande", Arial, sans-serif;
  --mono: Monaco, Consolas, "Lucida Console", monospace;
}

*, *::before, *::after { box-sizing: border-box; }

html { font-size: 16px; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  padding: 0;
  color: var(--text);
  background: #fff;
  font-family: var(--sans);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover, a:focus { color: var(--accent-dark); text-decoration: underline; }

img { max-width: 100%; height: auto; }

hr { border: 0; border-top: 1px solid var(--border); margin: 2em 0; }

code {
  font-family: var(--mono);
  font-size: 0.85em;
  background: var(--code-bg);
  border: 1px solid var(--border-strong);
  border-radius: 3px;
  padding: 0.1em 0.35em;
}

pre {
  font-family: var(--mono);
  font-size: 0.8em;
  line-height: 1.6;
  background: var(--code-bg);
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  padding: 1em;
  overflow-x: auto;
}
pre code { background: none; border: 0; padding: 0; font-size: 1em; }

/* --------------------------------------------------------------------------
   Masthead
   -------------------------------------------------------------------------- */

.masthead {
  position: relative;
  border-bottom: 1px solid var(--border);
  background: #fff;
  z-index: 20;
}

.masthead__inner-wrap {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0.8em 1.5em;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1em;
  font-family: var(--sans);
}

.masthead__menu { width: 100%; }

.greedy-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1em;
  background: #fff;
  min-height: 2.5em;
}

.greedy-nav .site-title {
  font-size: 1.25em;
  font-weight: bold;
  color: var(--text);
  white-space: nowrap;
}
.greedy-nav .site-title:hover { color: var(--accent); text-decoration: none; }

.greedy-nav .visible-links {
  display: flex;
  align-items: center;
  gap: 0;
  list-style: none;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.greedy-nav .visible-links a {
  position: relative;
  display: block;
  padding: 0.5em 0.75em;
  color: var(--text);
  font-size: 0.9em;
  text-decoration: none;
}

.greedy-nav .visible-links a::before {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 4px;
  width: 100%;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform 0.2s ease-in-out;
}
.greedy-nav .visible-links a:hover::before,
.greedy-nav .visible-links a.active::before { transform: scaleX(1); }
.greedy-nav .visible-links a.active { color: var(--accent); }

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 0.4em;
  color: var(--text);
}

/* --------------------------------------------------------------------------
   Page layout: sticky author sidebar + content
   -------------------------------------------------------------------------- */

.layout {
  max-width: 1280px;
  margin: 0 auto;
  padding: 2.5em 1.5em 4em;
  display: flex;
  gap: 2.5em;
  align-items: flex-start;
}

.sidebar {
  flex: 0 0 200px;
  font-size: 0.9em;
}
.sidebar.sticky { position: sticky; top: 2em; }

.author__avatar img {
  width: 100%;
  max-width: 175px;
  border-radius: 50%;
  display: block;
  border: 1px solid var(--border);
}

.author__content { margin-top: 1em; }

.author__name {
  margin: 0;
  font-size: 1.25em;
  font-weight: bold;
  line-height: 1.2;
  color: var(--text);
}

.author__bio {
  margin: 0.5em 0 0;
  font-size: 0.9em;
  line-height: 1.5;
  color: var(--muted);
}

.author__urls {
  list-style: none;
  margin: 1.25em 0 0;
  padding: 0;
  border-top: 1px solid var(--border);
}
.author__urls li {
  border-bottom: 1px solid var(--border);
}
.author__urls a {
  display: flex;
  align-items: center;
  gap: 0.6em;
  padding: 0.5em 0;
  color: var(--text);
  font-size: 0.85em;
  text-decoration: none;
}
.author__urls a:hover { color: var(--accent); text-decoration: none; }
.author__urls svg { flex: 0 0 16px; width: 16px; height: 16px; fill: currentColor; opacity: 0.75; }
.author__urls .icon-stroke { fill: none; stroke: currentColor; stroke-width: 2; }

.page {
  flex: 1 1 auto;
  min-width: 0;
  max-width: 820px;
}

.page__title {
  margin: 0 0 0.5em;
  font-size: 2.441em;
  line-height: 1.1;
  font-weight: bold;
  color: var(--text);
}

.page__lead {
  margin: -0.4em 0 1.5em;
  font-size: 1.05em;
  color: var(--muted);
  line-height: 1.6;
}

.page__content { font-size: 1em; }

/* The home page is only the intro and the recent-writing list, so it reads at a
   larger size than the dense archive pages. Everything inside is relative, so
   one bump here carries the headings and post excerpts with it. */
body[data-page="home"] .page__content { font-size: 1.15em; line-height: 1.65; }
body[data-page="home"] .page__lead { font-size: 1.2em; }

.page__content h2 {
  margin: 2em 0 0.7em;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
  font-size: 1.5em;
  line-height: 1.2;
}
.page__content h3 { margin: 1.6em 0 0.5em; font-size: 1.25em; line-height: 1.25; }
.page__content h4 { margin: 1.4em 0 0.4em; font-size: 1.05em; }
.page__content p { margin: 0 0 1.3em; }
.page__content ul, .page__content ol { margin: 0 0 1.3em; padding-left: 1.4em; }
.page__content li { margin-bottom: 0.4em; }

.page__meta {
  margin: 0 0 1em;
  font-size: 0.8em;
  color: var(--muted);
  font-family: var(--sans);
}
.page__meta a { color: var(--muted); }
.page__meta-sep::before { content: "\00b7"; padding: 0 0.4em; }

/* --------------------------------------------------------------------------
   Buttons, tags, notices
   -------------------------------------------------------------------------- */

.btn {
  display: inline-block;
  padding: 0.5em 1em;
  font-family: var(--sans);
  font-size: 0.75em;
  font-weight: bold;
  text-align: center;
  text-decoration: none;
  border: 0;
  border-radius: 4px;
  cursor: pointer;
  background: var(--accent);
  color: #fff;
}
.btn:hover { background: var(--accent-dark); color: #fff; text-decoration: none; }
.btn--inverse {
  background: #fff;
  color: var(--text);
  border: 1px solid var(--border-strong);
}
.btn--inverse:hover { background: var(--border); color: var(--text); }
.btn--small { font-size: 0.7em; padding: 0.4em 0.8em; }

.page__taxonomy { display: inline; }
.page__taxonomy-item {
  display: inline-block;
  margin: 0 0.4em 0.4em 0;
  padding: 0.2em 0.6em;
  font-size: 0.75em;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--muted);
  border: 1px solid var(--border-strong);
  border-radius: 3px;
  background: #fff;
}
.page__taxonomy-item:hover {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
  text-decoration: none;
}

.notice {
  margin: 2em 0;
  padding: 1em;
  font-size: 0.85em;
  border-radius: 4px;
  background: #f8f9f9;
  border-left: 4px solid var(--faint);
}
.notice--danger { background: #fdf3f4; border-left-color: var(--accent); }
.notice--info { background: #f0f7fa; border-left-color: #52adc8; }
.notice p:last-child { margin-bottom: 0; }

/* --------------------------------------------------------------------------
   Archive lists (blog, publications, projects)
   -------------------------------------------------------------------------- */

.archive__subtitle {
  margin: 1.8em 0 0.5em;
  padding-bottom: 0.5em;
  font-size: 1.1em;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
}
.archive__subtitle:first-child { margin-top: 0; }

.archive__item { margin-bottom: 2em; }

.archive__item-title {
  margin: 0 0 0.25em;
  font-size: 1.15em;
  line-height: 1.3;
  font-weight: bold;
}
.archive__item-title a { color: var(--accent); }

.archive__item-excerpt {
  margin: 0.4em 0 0;
  font-size: 0.9em;
  line-height: 1.6;
  color: var(--text);
}

.archive__item-teaser {
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--border);
}
.archive__item-teaser img { display: block; width: 100%; height: 140px; object-fit: cover; }

.grid__wrapper {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.75em;
  margin-bottom: 2.5em;
}
.grid__item .archive__item-title { font-size: 1em; margin-top: 0.6em; }
.grid__item .archive__item-excerpt { font-size: 0.8em; }

/* Publication / experience rows */
.list__row {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 1.5em;
  padding: 1.4em 0;
  border-top: 1px solid var(--border);
}
.list__row:last-child { border-bottom: 1px solid var(--border); }
.list__row-side {
  font-size: 0.8em;
  color: var(--muted);
  padding-top: 0.25em;
}
.list__row h3 { margin: 0; font-size: 1.1em; line-height: 1.3; }
.list__row .venue { margin: 0.35em 0 0; font-size: 0.85em; font-style: italic; color: var(--muted); }
.list__row ul { margin: 0.6em 0 0; padding-left: 1.2em; font-size: 0.9em; }
.list__row li { margin-bottom: 0.3em; }

.definition-row {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 1.2em;
  padding: 0.7em 0;
  border-top: 1px solid var(--border);
  font-size: 0.9em;
}
.definition-row:last-child { border-bottom: 1px solid var(--border); }
.definition-row dt {
  font-size: 0.8em;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
}
.definition-row dd { margin: 0; }

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */

.page__footer {
  margin-top: 2em;
  border-top: 1px solid var(--border);
  background: #fff;
  color: var(--muted);
  font-size: 0.8em;
}
.page__footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 2em 1.5em;
  display: flex;
  flex-wrap: wrap;
  gap: 1em;
  justify-content: space-between;
  align-items: center;
}
.page__footer a { color: var(--muted); }
.page__footer a:hover { color: var(--accent); }
.page__footer-follow ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 1.2em;
  margin: 0;
  padding: 0;
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 900px) {
  .layout { flex-direction: column; gap: 2em; padding-top: 1.5em; }
  .sidebar { flex: 1 1 auto; width: 100%; }
  .sidebar.sticky { position: static; }
  .author__avatar img { max-width: 120px; }
  .page__title { font-size: 1.9em; }
  .list__row, .definition-row { grid-template-columns: 1fr; gap: 0.5em; }
}

@media (max-width: 640px) {
  .nav-toggle { display: block; }
  .greedy-nav { flex-wrap: wrap; }
  .greedy-nav .visible-links {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    border-top: 1px solid var(--border);
    margin-top: 0.5em;
    padding-top: 0.5em;
  }
  .greedy-nav .visible-links.is-open { display: flex; }
  .greedy-nav .visible-links a { padding: 0.5em 0; }
  .masthead__inner-wrap { padding: 0.7em 1em; }
  .layout { padding-left: 1em; padding-right: 1em; }
}