/* Daniel Albuquerque — minimalist academic site */

:root {
  --ink: #000;
  --link: #0046c0;
  --navy: #14315f;
  --muted: #555;
  --rule: #e6e6e6;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink);
  background: #fff;
}

main {
  display: flex;
  align-items: flex-start;
  gap: 2.5rem;
  max-width: 1110px;
  margin: 0 auto;
  padding: 3rem 1.25rem 4rem;
}

.content {
  flex: 1 1 auto;
  min-width: 0;
  max-width: 680px;
}

a {
  color: var(--link);
  text-decoration: underline;
}
a:hover { text-decoration: none; }

/* Header */
.intro {
  margin-bottom: 1.5rem;
}
.photo {
  width: 350px;
  height: auto;
  border-radius: 2px;
  flex: 0 0 auto;
}
.intro-text { min-width: 0; }

h1 {
  font-size: 2rem;
  margin: 0 0 0.35rem;
  font-weight: 700;
}
.title { margin: 0 0 0.25rem; }
.interests { margin: 0 0 0.25rem; color: var(--muted); }
.email { margin: 0.4rem 0 0; color: var(--muted); }
.email span { color: var(--muted); }

/* Nav */
nav {
  margin: 0 0 2.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--rule);
  color: var(--navy);
}
nav a {
  margin: 0 0.15rem;
  color: var(--navy);
  font-weight: 700;
  text-decoration: none;
}
nav a:hover { text-decoration: underline; }

/* Sections */
section { margin-bottom: 2.75rem; }

h2 {
  font-size: 1.55rem;
  margin: 0 0 1.1rem;
  padding-bottom: 0.3rem;
  color: var(--navy);
}

article { margin-bottom: 1.6rem; }

h3 {
  font-size: 1.05rem;
  margin: 0 0 0.2rem;
  font-weight: 600;
}
h3 a {
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
}
h3 a:hover { text-decoration: underline; }
h3 a::after {
  content: " \1F4CE\FE0E"; /* paperclip, text-presentation (no emoji face) */
  text-decoration: none;
  font-weight: 400;
}

.coauthors, .meta { margin: 0 0 0.4rem; color: var(--muted); font-style: italic; font-size: 0.9rem; }
.links { margin: 0; }

/* Collapsible abstract */
details.abstract { margin: 0.35rem 0 0; }
details.abstract > summary {
  display: inline-block;
  cursor: pointer;
  list-style: none;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--navy);
  border: 1px solid var(--navy);
  border-radius: 3px;
  padding: 0.1rem 0.55rem;
  user-select: none;
}
details.abstract > summary::-webkit-details-marker { display: none; }
details.abstract > summary::before { content: "+ "; }
details.abstract[open] > summary::before { content: "\2212 "; } /* minus sign */
details.abstract > summary:hover { background: var(--navy); color: #fff; }
details.abstract > p {
  margin: 0.6rem 0 0;
  padding-left: 0.1rem;
}

ul.wip { margin: 0; padding-left: 1.2rem; }
ul.wip li { margin-bottom: 0.3rem; }

/* Section divider (dinkus) */
.dinkus {
  text-align: center;
  color: var(--navy);
  opacity: 0.55;
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  margin: 2.75rem 0;
}

/* Placeholder styling for unfilled Policy Work */
.placeholder { color: var(--muted); }
.placeholder a { color: var(--muted); }

/* Footer */
footer {
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid var(--rule);
  font-size: 0.85rem;
  color: var(--muted);
}
footer p { margin: 0; }

/* Tablet / narrow: stack the photo above the content */
@media (max-width: 820px) {
  main { flex-direction: column; gap: 1.75rem; }
  .photo { width: 260px; height: auto; max-width: 100%; }
}

/* Mobile */
@media (max-width: 540px) {
  .photo { width: 220px; }
  h1 { font-size: 1.6rem; }
}