* {
  box-sizing: border-box;
}

:root {
  --link-color: black;
  --publication-link-color: #3164aa;
  --background-color: white;
  --font-size: 13px;
  --measure: 74ch;
  --wide-page: 74ch;
}

html, body {
  overflow-x: hidden;
}

body {
  font-family: "Poppins", Palatino, "Book Antiqua", Georgia, serif;
  font-weight: 400;
  min-height: 100vh;
  margin: 0;
  padding-bottom: 32px;
  line-height: 1.6;
  font-size: var(--font-size);
  background-color: var(--background-color);
}

p {
  margin-top: 0;
}

sup {
  font-size: 0.75em;
  vertical-align: super;
}

/* Side margins are now on the container, not the body */
.container {
  display: flex;
  flex-direction: column;
  width: var(--measure);
  max-width: calc(100% - 144px); /* 72px breathing room on each side */
  margin: 0 auto;
  padding-inline: 0;
}

.container.publications {
  width: var(--wide-page);
  max-width: calc(100% - 144px);
  box-sizing: border-box;
  padding-inline: 0;
  margin-top: 32px;
}

main.container {
  padding-top: 32px;
}

main > h2:first-child {
  padding-top: 0;
}

h1 {
  font-weight: 400;
  font-size: 30px;
  line-height: 0.9;
  padding: 36px 0 36px 0;
  margin: 0;
}

h2 {
  font-size: 26px;
  font-weight: 500;
  margin: 0;
  padding: 36px 0 12px 0;
}

h3 {
  font-size: 18px;
  font-weight: 500;
  margin: 0;
  padding: 16px 0 4px 0;
}

h4 {
  font-size: var(--font-size);
  font-weight: 500;
  margin: 0;
  padding: 4px 0 4px 0;
}

b {
  font-weight: 600;
}

a {
  font-weight: 400;
  text-decoration: underline;
  text-underline-offset: 1px;
  color: var(--link-color);
}

a:hover {
  text-decoration: underline;
}

hr {
  border: 0;
  height: 0;
  border-top: 1px solid rgb(0, 0, 0);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  grid-column: 1 / -1;
  width: 100%;
  margin: 8px 0;
}

hr.hard {
  border-top: 1px solid rgba(0, 0, 0, 0.5);
  margin-bottom: 12px;
}

hr.soft {
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}

/* ─── Hero section ───────────────────────── */

.hero {
  background-color: #AFB6BD;
  padding: min(16vh, 120px) 0 min(8vh, 64px);
  width: 100%;
}

.hero h1 {
  text-align: center;
  padding-top: 0; /* hero's own padding handles top space */
}

/* ─── Abstract / bio section (inside hero) ── */

.abstract {
  flex: 1;
}

.abstract p {
  padding-top: 8px;
  padding-bottom: 8px;
  margin: 0;
}

.profile-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 18px;
  align-items: center;
  margin: 32px 0 0 0; /* hero padding-bottom handles space below */
}

/* ─── Selected publications list (index page) ─ */

main ol {
  padding-left: 1.5em;
  margin-block-start: 0.5em;
  list-style-position: outside;
}

main ol li {
  margin-bottom: 10px;
}

main ol li p {
  margin-bottom: 0;
}

/* ─── Publications list (publications page) ─ */

.publications-list {
  padding-inline-start: 24px;
  margin: 0;
  list-style-type: disc;
  max-width: 100%;
  overflow-wrap: break-word;
  word-wrap: break-word;
}

.publication-item {
  display: list-item;
  padding: 6px 0;
  position: relative;
  line-height: 1.5;
  overflow-wrap: break-word;
  word-wrap: break-word;
  max-width: 100%;
}

.publication-content {
  position: relative;
  overflow-wrap: break-word;
  word-wrap: break-word;
  word-break: break-word;
  max-width: 100%;
}

.publication-authors {
  display: inline;
  overflow-wrap: break-word;
  word-wrap: break-word;
  max-width: 100%;
}

.publication-title {
  font-weight: 400;
  display: inline;
  margin-left: 4px;
  overflow-wrap: break-word;
  word-wrap: break-word;
  max-width: 100%;
}

.publication-title-link {
  text-decoration: none;
  font-weight: 400;
  color: var(--publication-link-color);
  overflow-wrap: break-word;
  word-wrap: break-word;
  max-width: 100%;
}

.publication-title-link:hover {
  text-decoration: underline;
}

.publication-venue {
  display: inline;
  margin-left: 4px;
  overflow-wrap: break-word;
  word-wrap: break-word;
  max-width: 100%;
}

.author-highlight {
  text-decoration: none;
  font-weight: 600;
}

/* ─── Featured publications list (index page) */

.pub-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 0;
  margin: 0;
}

.pub-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  column-gap: 12px;
  row-gap: 0;
  align-items: center;
}

.pub-venue {
  font-weight: 500;
  white-space: nowrap;
  font-size: var(--font-size);
}

.pub-title {
  font-size: var(--font-size);
  overflow-wrap: break-word;
  word-wrap: break-word;
  min-width: 0;
}

.pub-title a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease-in-out;
}

.pub-title a:hover {
  color: var(--link-color);
}

/* ─── Buttons ────────────────────────────── */

button, .button {
  background-color: #ececec;
  border-radius: 10px;
  padding: 0.75em 1em;
  color: #353535;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size);
  font-weight: 400;
  letter-spacing: 0.075em;
  text-decoration: none;
  text-transform: uppercase;
  -webkit-user-select: none;
  -moz-user-select: none;
  user-select: none;
  box-sizing: content-box;
  border: none;
}

button:hover, .button:hover {
  background-color: #ececec;
  opacity: 0.8;
  color: #353535;
  text-decoration: none;
}

button:active, .button:active {
  opacity: 0.5;
  background-color: #ececec;
  color: #353535;
}

.button.pill {
  font-weight: 500;
  padding: 0.5em 0.85em;
  font-size: 0.85em;
  color: #353535;
  flex-shrink: 0;
}

.button.pill.active {
  background-color: #0f2440;
  color: #ffffff;
}

/* Hero-specific pill buttons: semi-transparent white over the grey background */
.hero .button.pill {
  background-color: rgba(255, 255, 255, 0.2);
  color: #1a1a1a;
}

.hero .button.pill:hover {
  background-color: rgba(255, 255, 255, 0.35);
  opacity: 1;
}

/* ─── Sort controls (publications page) ──── */

.sort-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
  margin: 0;
}

/* ─── Responsive ─────────────────────────── */

@media (max-width: 992px) {
  button, .button {
    font-size: 0.6em;
  }
}

@media (max-width: 896px) {
  .container, .container.publications {
    max-width: calc(100% - 80px); /* 40px each side */
  }
  .profile-links {
    gap: 14px;
  }
}

@media (max-width: 600px) {
  .container, .container.publications {
    max-width: calc(100% - 64px); /* 32px each side */
  }
  .profile-links {
    gap: 10px;
    justify-content: flex-start;
  }
  .hero h1 {
    text-align: left;
  }
  .pub-item {
    grid-template-columns: 1fr;
    row-gap: 0px;
  }
}

@media (max-width: 480px) {
  .container, .container.publications {
    max-width: calc(100% - 48px); /* 24px each side */
  }
}

@media (min-width: 1024px) {
  :root {
    --font-size: 14px;
  }
  .pub-item {
    grid-template-columns: 140px 1fr;
  }
}