/* =========================================================
   Jesus Gonzalez Ferrer — personal academic site
   Dark, minimal, serif-display aesthetic
   ========================================================= */

:root {
  --bg:            #151515;
  --bg-2:          #1d1d1d;
  --fg:            #ececec;
  --fg-strong:     #ffffff;
  --fg-muted:      #a2a2a2;
  --fg-dim:        #6f6f6f;
  --border:        #2b2b2b;
  --border-strong: #3a3a3a;
  --serif: "Playfair Display", Georgia, "Times New Roman", serif;
  --sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --maxw:  720px;
}

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: var(--fg);
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-color: var(--border-strong);
  transition: color .15s ease, text-decoration-color .15s ease;
}
a:hover { color: var(--fg-strong); text-decoration-color: var(--fg-strong); }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- top nav ---------- */
.topnav {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 22px 24px 0;
  display: flex;
  justify-content: flex-end;
  gap: 24px;
}
.topnav a { font-size: .9rem; color: var(--fg-muted); text-decoration: none; }
.topnav a:hover { color: var(--fg); }

/* ---------- hero ---------- */
.hero { padding-top: 52px; }
.name {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(2.5rem, 6vw, 3.5rem);
  line-height: 1.02;
  letter-spacing: -.015em;
  margin: 0 0 .55rem;
}
.hero-row { display: flex; gap: 30px; align-items: flex-start; justify-content: space-between; }
.hero-text { flex: 1 1 auto; min-width: 0; }
.tagline { font-size: 1.05rem; color: var(--fg-muted); margin: .1rem 0 1rem; }

.avatar {
  flex: 0 0 auto;
  width: 152px;
  height: 188px;
  object-fit: cover;
  border-radius: 14px;
  filter: grayscale(6%);
}

.pill {
  display: inline-block;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: 7px 15px;
  font-size: .88rem;
  color: var(--fg-muted);
  margin-bottom: 1rem;
}
.pill a { text-decoration-color: var(--fg-dim); }

.affil { font-size: .85rem; color: var(--fg-dim); line-height: 1.55; margin: .3rem 0 1.1rem; }
.affil a { color: var(--fg-muted); }

/* ---------- social icons ---------- */
.social { display: flex; gap: 16px; align-items: center; margin-top: 2px; }
.social a { color: var(--fg-muted); display: inline-flex; text-decoration: none; }
.social a:hover { color: var(--fg-strong); }
.social svg { width: 20px; height: 20px; display: block; fill: currentColor; }

/* ---------- bio ---------- */
.bio { margin-top: 42px; }
.bio p { margin: 0 0 1.1rem; }
.bio strong { color: var(--fg-strong); font-weight: 600; }

/* ---------- sections ---------- */
section { margin-top: 58px; }
.section-title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.6rem;
  letter-spacing: -.01em;
  margin: 0 0 22px;
}
.section-note { color: var(--fg-dim); font-size: .9rem; margin: -12px 0 22px; }
.section-note a { color: var(--fg-muted); }

/* ---------- news timeline ---------- */
.timeline { list-style: none; margin: 0; padding: 0; }
.news-item {
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 22px;
  padding: 18px 0;
  border-top: 1px solid var(--border);
}
.news-item:first-child { border-top: none; padding-top: 0; }
.news-date { color: var(--fg-dim); font-size: .82rem; padding-top: 3px; white-space: nowrap; }
.news-body p { margin: .45rem 0; }
.news-body p:first-child { margin-top: 0; }

.tag {
  display: inline-block;
  font-size: .64rem;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--fg-muted);
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  padding: 2px 7px;
  margin: 0 6px 4px 0;
  vertical-align: middle;
}

.links { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 8px; }
.links a {
  font-size: .84rem;
  color: var(--fg-muted);
  text-decoration: none;
  border-bottom: 1px solid var(--border-strong);
  padding-bottom: 1px;
}
.links a:hover { color: var(--fg-strong); border-color: var(--fg-strong); }

/* ---------- publications ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 26px; }
.filter {
  font-family: var(--sans);
  font-size: .82rem;
  color: var(--fg-muted);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 5px 14px;
  cursor: pointer;
  transition: all .15s ease;
}
.filter:hover { border-color: var(--border-strong); color: var(--fg); }
.filter.active { background: var(--fg); color: #111; border-color: var(--fg); }

.pub-list { list-style: none; margin: 0; padding: 0; }
.pub { padding: 22px 0; border-top: 1px solid var(--border); }
.pub:first-child { border-top: none; padding-top: 0; }
.pub-cats { margin-bottom: 9px; }
.pub-title { font-size: 1.02rem; font-weight: 600; line-height: 1.4; color: var(--fg-strong); margin: 0 0 6px; }
.pub-authors { font-size: .92rem; color: var(--fg-muted); margin: 0 0 3px; }
.pub-authors .me { color: var(--fg); font-weight: 600; }
.pub-venue { font-size: .9rem; font-style: italic; color: var(--fg-dim); margin: 0 0 9px; }

/* ---------- writing (blog teaser) ---------- */
.post-list { list-style: none; margin: 0; padding: 0; }
.post-row {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 18px;
  padding: 15px 0;
  border-top: 1px solid var(--border);
  align-items: baseline;
}
.post-row:first-child { border-top: none; padding-top: 0; }
.post-date { color: var(--fg-dim); font-size: .84rem; }
.post-link { font-size: 1.04rem; text-decoration: none; color: var(--fg); }
.post-link:hover { color: var(--fg-strong); }
.more-link { display: inline-block; margin-top: 18px; font-size: .9rem; color: var(--fg-muted); text-decoration: none; }
.more-link:hover { color: var(--fg-strong); }

/* ---------- footer ---------- */
.site-footer {
  max-width: var(--maxw);
  margin: 84px auto 0;
  padding: 28px 24px 48px;
  border-top: 1px solid var(--border);
  color: var(--fg-dim);
  font-size: .85rem;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.site-footer a { color: var(--fg-muted); text-decoration: none; }
.site-footer a:hover { color: var(--fg); }
.footer-links { display: flex; gap: 18px; }

/* ---------- generic pages (cv, archive, blog) ---------- */
.page { padding-top: 44px; }
.page-title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 2.2rem;
  letter-spacing: -.01em;
  margin: 0 0 26px;
}
.page-content h1 {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.45rem;
  margin: 2.4rem 0 .6rem;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
}
.page-content h2 { font-size: 1.06rem; color: var(--fg); margin: 1.5rem 0 .4rem; }
.page-content h3 { font-size: 1rem; color: var(--fg-muted); margin: 1.1rem 0 .3rem; }
.page-content ul { padding-left: 1.2rem; }
.page-content li { margin: .25rem 0; }

/* ---------- blog post ---------- */
.post { padding-top: 44px; }
.post-header { margin-bottom: 26px; }
.post-title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 2.1rem;
  letter-spacing: -.01em;
  line-height: 1.1;
  margin: 0 0 10px;
}
.post-meta { color: var(--fg-dim); font-size: .9rem; }
.post-content { font-size: 1.02rem; }
.post-content h1, .post-content h2 { font-family: var(--serif); font-weight: 700; margin: 2rem 0 .6rem; letter-spacing: -.01em; }
.post-content h1 { font-size: 1.55rem; }
.post-content h2 { font-size: 1.3rem; }
.post-content h3 { font-size: 1.1rem; margin: 1.4rem 0 .4rem; }
.post-content img { border-radius: 8px; margin: 1rem 0; }

/* code */
code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: var(--bg-2);
  padding: .12em .38em;
  border-radius: 4px;
  font-size: .9em;
}
pre {
  background: #0f0f0f;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  overflow-x: auto;
}
pre code { background: none; padding: 0; font-size: .88rem; }

blockquote {
  border-left: 3px solid var(--border-strong);
  margin: 1.2rem 0;
  padding: .2rem 0 .2rem 1rem;
  color: var(--fg-muted);
}
hr { border: none; border-top: 1px solid var(--border); margin: 2rem 0; }

table { border-collapse: collapse; width: 100%; display: block; overflow-x: auto; }
th, td { border: 1px solid var(--border); padding: 8px 12px; text-align: left; }
th { background: var(--bg-2); }

/* share + post navigation (blog) */
.share-links { margin: 0 0 24px; display: flex; flex-wrap: wrap; gap: 12px; font-size: .85rem; }
.post_navi { display: flex; }
.post_navi-label { font-size: .8em; opacity: .5; }
.post_navi .post_navi-item { padding: 0 2.2em; width: 50%; position: relative; color: inherit !important; text-decoration: none; }
.post_navi .nav_prev { text-align: left; }
.post_navi .nav_next { text-align: right; }
.post_navi .nav_prev .post_navi-arrow { left: 0; }
.post_navi .nav_next .post_navi-arrow { right: 0; }
.post_navi .post_navi-arrow { position: absolute; top: 50%; transform: translateY(-50%); font-size: 2.2em; opacity: .3; }

/* ---------- responsive ---------- */
@media (max-width: 600px) {
  body { font-size: 16px; }
  .hero-row { flex-direction: column-reverse; align-items: flex-start; }
  .avatar { width: 120px; height: 148px; }
  .news-item { grid-template-columns: 1fr; gap: 6px; }
  .news-date { padding-top: 0; }
  .post-row { grid-template-columns: 1fr; gap: 2px; }
  .site-footer { flex-direction: column; }
  .post_navi { flex-direction: column; gap: 18px; }
  .post_navi .post_navi-item { width: 100%; padding: 0 1.6em; }
}