/* ===================================================================
   dorrity lab — v2: contemporary / austere
   archivo (variable width) + ibm plex mono annotation layer
   signature: developmental-time hairline under the header
   =================================================================== */

@import url("https://fonts.googleapis.com/css2?family=Archivo:wdth,wght@62..125,100..900&family=IBM+Plex+Mono:wght@400;500&display=swap");

:root {
  /* palette: paper, ink, and one institutional green */
  --dl-paper: #fbfbf9;
  --dl-ink: #17191b;
  --dl-muted: #63676c;
  --dl-hairline: #e5e4e0;
  --dl-green: #03712a;
  --dl-green-hover: #025e23;

  /* the developmental-time colormap from iconic time-series data */
  --dl-timebar: linear-gradient(90deg, #d64541, #f39b3b, #e8d44d, #6fbf4e, #2ba59a, #3b5bd6);

  /* type roles */
  /* type possibles = Archivo, Optima, Charter  */
  --dl-sans: "Charter", -apple-system, sans-serif;
  /* --dl-sans: "Optima", -apple-system, sans-serif; */
  --dl-mono: "IBM Plex Mono", ui-monospace, monospace;

  /* legacy variable names kept so older snippets don't break */
  --dl-bg-light: var(--dl-paper);
  --dl-bg-white: #ffffff;
  --dl-text-dark: var(--dl-ink);
  --dl-text-medium: var(--dl-muted);
  --dl-text-light: var(--dl-muted);
  --dl-border: var(--dl-hairline);
  --dl-accent: var(--dl-ink);
}

/* -------------------------------------------------------------------
   base
   ------------------------------------------------------------------- */

body,
.md-typeset {
  font-family: var(--dl-sans);
}

.md-typeset {
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--dl-ink);
}

.md-main,
.md-content {
  background-color: var(--dl-paper);
}

/* mono annotation utility — reusable in markdown via attr_list */
.mono,
.dl-eyebrow {
  font-family: var(--dl-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--dl-muted);
}

/* -------------------------------------------------------------------
   header — paper white, hairline, time-gradient signature
   ------------------------------------------------------------------- */

.md-header {
  background-color: var(--dl-paper);
  color: var(--dl-ink);
  box-shadow: none;
  border-bottom: 1px solid var(--dl-hairline);
  position: sticky;
  top: 0;
  z-index: 4;
}

/* signature element: developmental-time hairline */
.md-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -4px;
  height: 3px;
  background: var(--dl-timebar);
  z-index: 1;
}

.md-header__button.md-logo {
  padding: 0.2rem;
}

.md-header__button.md-logo img {
  width: 3.6rem;
  height: 3.6rem;
  max-width: none;
}

/* full-width header: logo flush left, nav flush right */
.md-header__inner {
  display: flex;
  align-items: center;
  padding: 0.1rem 2.5rem;
  max-width: none;
}

.md-header__title {
  font-family: var(--dl-sans);
  font-stretch: 112%;
  font-weight: 650;
  font-size: 1.40rem;
  letter-spacing: -0.01em;
  color: var(--dl-ink);
}

/* -------------------------------------------------------------------
   navigation — tabs below header, no sidebar
   ------------------------------------------------------------------- */

/* hide the tabs bar entirely — we'll put nav in the header via override */
.md-tabs {
  display: none;
}

/* hide both sidebars */
.md-sidebar {
  display: none !important;
  width: 0 !important;
}

.md-search {
  display: none;
}

/* hide the repo link from header */
.md-header__source {
  display: none;
}

/* content centered with max-width */
.md-grid {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 2.5rem;
}

@media screen and (min-width: 76.25em) {
  .md-content {
    margin-left: 0 !important;
    margin-right: 0 !important;
  }
}

/* header nav links (injected via custom partial) */
.md-header__nav {
  display: flex;
  gap: 1.8rem;
  margin-left: auto;
  align-items: center;
}

.md-header__nav a {
  font-family: var(--dl-mono);
  font-size: 0.90rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--dl-muted);
  text-decoration: none;
  transition: color 0.15s ease;
}

.md-header__nav a:hover {
  color: var(--dl-green);
  font-weight: 500;
}

.md-header__nav a.active {
  color: var(--dl-ink);
  font-weight: 500;
}

/* -------------------------------------------------------------------
   typography
   ------------------------------------------------------------------- */

.md-typeset h1,
.md-typeset h2,
.md-typeset h3 {
  font-family: var(--dl-sans);
  color: var(--dl-ink);
}

.md-typeset h1 {
  display: none; /* page titles handled by hero/eyebrow layer */
}

.md-typeset h2 {
  font-stretch: 114%;
  font-weight: 640;
  font-size: 1.6rem;
  letter-spacing: -0.02em;
  margin-top: 1.6em;
}

.md-typeset h3 {
  font-stretch: 110%;
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}

.md-typeset p {
  color: var(--dl-ink);
  line-height: 1.55;
}

.md-typeset a {
  color: var(--dl-ink);
  text-decoration: underline;
  text-decoration-color: var(--dl-hairline);
  text-underline-offset: 3px;
  transition: color 0.15s ease, text-decoration-color 0.15s ease;
}

.md-typeset a:hover {
  color: var(--dl-green);
  text-decoration-color: var(--dl-green);
}

/* section dividers */
.md-typeset hr {
  border: none;
  border-top: 1px solid var(--dl-hairline);
  margin: 3rem 0;
}

/* code blocks — plex mono on paper, hairline border */
.md-typeset code,
.md-typeset pre > code {
  font-family: var(--dl-mono);
  background-color: #ffffff;
  border: 1px solid var(--dl-hairline);
  color: var(--dl-ink);
}

/* -------------------------------------------------------------------
   buttons — mono outline, no fills
   ------------------------------------------------------------------- */

.md-typeset .md-button {
  font-family: var(--dl-mono);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--dl-ink) !important;
  background-color: transparent;
  border: 1px solid var(--dl-ink);
  border-radius: 2px;
  padding: 0.55rem 1.1rem;
  text-decoration: none !important;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.md-typeset .md-button:hover {
  color: var(--dl-green) !important;
  background-color: transparent;
  border-color: var(--dl-green);
}

/* -------------------------------------------------------------------
   landing page — hero block + figure system
   ------------------------------------------------------------------- */

.hero-block {
  padding: 3.2rem 0 1.6rem;
  max-width: 52rem;
}

.hero-eyebrow {
  font-family: var(--dl-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--dl-muted);
  margin-bottom: 1.2rem;
}

.md-typeset .hero-headline {
  display: block !important;
  font-family: var(--dl-sans);
  font-stretch: 118%;
  font-weight: 680;
  font-size: clamp(2.4rem, 6vw, 4rem);
  line-height: 1.02;
  letter-spacing: -0.025em;
  color: var(--dl-ink);
  margin: 0 0 1.4rem !important;
}

.hero-sub {
  font-size: 1.05rem;
  line-height: 1.5;
  color: var(--dl-muted);
  max-width: 36rem;
}

/* figure frame: full-width image + mono caption row */
.fig-frame {
  margin: 2rem 0 3rem;
}

.fig-frame img {
  width: 100%;
  display: block;
  border-radius: 2px;
}

.fig-caption {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--dl-hairline);
  margin-top: 0.5rem;
  font-family: var(--dl-mono);
  font-size: 0.66rem;
  letter-spacing: 0.06em;
  color: var(--dl-muted);
}

/* legacy landing hero kept working, restyled quietly */
.landing-hero {
  position: relative;
  width: 100%;
  overflow: hidden;
  margin-bottom: 2rem;
  border-radius: 2px;
}

.landing-hero img {
  width: 100%;
  height: 500px;
  object-fit: cover;
  display: block;
}

.landing-hero-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1.2rem 1.6rem;
  background: linear-gradient(to top, rgba(23, 25, 27, 0.82), rgba(23, 25, 27, 0));
}

.landing-hero-overlay h2 {
  font-stretch: 116%;
  font-weight: 660;
  font-size: 1.7rem;
  letter-spacing: -0.02em;
  color: #fbfbf9;
  margin: 0 0 0.4rem !important;
  display: block !important;
}

.landing-hero-overlay p {
  font-size: 0.95rem;
  color: rgba(251, 251, 249, 0.85);
  margin: 0;
  max-width: 700px;
}

/* -------------------------------------------------------------------
   index — selected publications (compact pub-rows)
   ------------------------------------------------------------------- */

.section {
  margin-bottom: 3rem;
}

.pub-row {
  display: grid;
  grid-template-columns: 4.5rem 1fr 10rem;
  gap: 1.5rem;
  padding: 1.1rem 0;
  border-top: 1px solid var(--dl-hairline);
  align-items: baseline;
}

.pub-year {
  color: var(--dl-muted);
}

.md-typeset .pub-title {
  font-weight: 560;
  font-size: 1rem;
  letter-spacing: -0.01em;
  line-height: 1.3;
  margin: 0;
}

.pub-title a {
  color: var(--dl-ink) !important;
  text-decoration: none !important;
}

.pub-title a:hover {
  color: var(--dl-green) !important;
}

.pub-authors {
  color: var(--dl-muted);
  font-size: 0.8rem;
  margin-top: 0.3rem;
  line-height: 1.4;
}

.pub-journal {
  color: var(--dl-muted);
  text-align: right;
}

@media (max-width: 768px) {
  .pub-row {
    grid-template-columns: 1fr;
    gap: 0.3rem;
  }
  .pub-journal {
    text-align: left;
  }
}

/* -------------------------------------------------------------------
   publications — hairline rows instead of boxes
   ------------------------------------------------------------------- */

.paper-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: 1rem;
}

.paper-year-group {
  display: grid;
  grid-template-columns: 5rem 1fr;
  gap: 0;
  border-top: 1px solid var(--dl-hairline);
  padding-top: 1.4rem;
  margin-bottom: 1.4rem;
}

.paper-year-label {
  font-family: var(--dl-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--dl-muted);
  padding-top: 0.3rem;
}

.paper-year-cards {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.paper-card {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 1.2rem;
  padding: 1.1rem 0;
  align-items: start;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--dl-hairline);
  border-radius: 0;
  transition: none;
}

.paper-card:last-child {
  border-bottom: none;
}

.paper-card:not(:has(.paper-thumbnail)) {
  grid-template-columns: 1fr;
}

.paper-card:hover {
  box-shadow: none;
}

.paper-thumbnail {
  width: 160px;
  height: 120px;
  object-fit: cover;
  border-radius: 2px;
  border: 1px solid var(--dl-hairline);
  background: #ffffff;
}

.paper-content {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.paper-title {
  font-size: 1rem;
  font-stretch: 106%;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--dl-ink);
  margin: 0 !important;
  padding: 0 !important;
  line-height: 1.3;
}

.paper-authors {
  font-size: 0.8rem;
  color: var(--dl-muted);
  line-height: 1.4;
  margin: 0;
}

.paper-journal {
  font-family: var(--dl-mono);
  font-size: 0.66rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-style: normal;
  color: var(--dl-muted);
  margin: 0;
}

.paper-links {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.35rem;
  flex-wrap: wrap;
}

.paper-link {
  font-family: var(--dl-mono);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--dl-ink) !important;
  text-decoration: none !important;
  padding: 0.25rem 0.65rem;
  border: 1px solid var(--dl-ink);
  border-radius: 2px;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.paper-link:hover {
  background-color: transparent;
  color: var(--dl-green) !important;
  border-color: var(--dl-green);
}

@media (max-width: 768px) {
  .paper-card {
    grid-template-columns: 1fr;
  }

  .paper-thumbnail {
    width: 100%;
    max-width: 200px;
  }

  .paper-year-group {
    grid-template-columns: 1fr;
  }

  .paper-year-label {
    margin-bottom: 0.5rem;
  }
}

/* -------------------------------------------------------------------
   people — pi hero + grid with always-visible mono labels
   ------------------------------------------------------------------- */

.pi-hero {
  display: grid;
  grid-template-columns: 1fr 3fr;
  gap: 1.6rem;
  align-items: start;
  margin: 1.5rem 0;
  max-width: 960px;
}

.pi-hero-photo {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 2px;
  display: block;
}

.pi-hero-name {
  font-stretch: 112%;
  font-weight: 660;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
  color: var(--dl-ink);
  margin: 0 0 0.15rem !important;
}

.pi-hero-role {
  font-family: var(--dl-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--dl-muted);
  margin: 0 0 0.7rem;
}

.pi-hero-bio {
  font-size: 0.85rem;
  line-height: 1.55;
  color: var(--dl-ink);
  margin: 0 0 0.4rem;
}

.pi-hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1rem;
}

.pi-hero-link-btn {
  font-family: var(--dl-mono);
  font-size: 0.64rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--dl-ink) !important;
  text-decoration: none !important;
  padding: 0.45rem 1rem;
  border: 1px solid var(--dl-ink);
  border-radius: 2px;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.pi-hero-link-btn:hover {
  background-color: transparent;
  color: var(--dl-green) !important;
  border-color: var(--dl-green);
}

.people-grid-faces {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  max-width: 960px;
  gap: 18px;
  margin: 2rem 0;
}

a.person-face-card {
  display: block;
  text-decoration: none !important;
  position: relative;
  overflow: hidden;
  border-radius: 2px;
}

.person-face-inner {
  width: 100%;
  position: relative;
}

.person-face-photo {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  display: block;
  border-radius: 2px;
  filter: saturate(0.78);
  transition: filter 0.2s ease;
}

a.person-face-card:hover .person-face-photo {
  filter: saturate(1);
}

/* labels always visible below the photo — no hover required */
.person-face-overlay {
  position: static;
  padding: 0.55rem 0 0;
  background: none;
  opacity: 1;
  display: block;
}

.person-face-overlay p.person-face-name {
  font-size: 0.85rem;
  font-weight: 560;
  color: var(--dl-ink) !important;
  margin: 0 0 0.1rem;
  line-height: 1.3;
}

.person-face-overlay p.person-face-role {
  font-family: var(--dl-mono);
  font-size: 0.6rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--dl-muted) !important;
  margin: 0;
  line-height: 1.4;
}

@media (max-width: 600px) {
  .people-grid-faces {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
}

.people-section-heading {
  grid-column: 1 / -1;
  margin: 1.5rem 0 0.3rem;
  font-family: var(--dl-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--dl-muted);
  border-bottom: 1px solid var(--dl-hairline);
  padding-bottom: 0.4rem;
}

/* -------------------------------------------------------------------
   person profile pages
   ------------------------------------------------------------------- */

.person-profile {
  margin-top: 1rem;
}

.person-profile-header {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.person-profile-photo {
  width: 120px;
  height: 150px;
  object-fit: cover;
  border-radius: 2px;
  flex-shrink: 0;
  border: 1px solid var(--dl-hairline);
}

.person-profile-header-text h1 {
  display: block !important;
  font-stretch: 112%;
  font-weight: 660;
  letter-spacing: -0.02em;
  margin: 0 0 0.3rem !important;
  padding-top: 0.25rem;
}

.person-profile-role {
  font-family: var(--dl-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--dl-muted);
  margin: 0;
}

.person-profile-body {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 3rem;
  align-items: start;
}

.person-profile-links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.person-profile-link {
  font-family: var(--dl-mono);
  font-size: 0.64rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--dl-muted) !important;
  text-decoration: none !important;
  transition: color 0.15s ease;
}

.person-profile-link:hover {
  color: var(--dl-green) !important;
}

.person-profile-content p {
  line-height: 1.65;
  color: var(--dl-ink);
}

@media (max-width: 600px) {
  .person-profile-body {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .person-profile-header {
    flex-direction: column;
  }
}

/* -------------------------------------------------------------------
   research page
   ------------------------------------------------------------------- */

.research-hero {
  width: 100%;
  max-width: 1200px;
  height: auto;
  margin: 2rem 0;
  border-radius: 2px;
}

.research-section {
  margin-top: 3rem;
}

.research-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin: 2rem 0;
  align-items: center;
}

.research-two-col img {
  width: 100%;
  height: auto;
  border-radius: 2px;
}

.image-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
  margin: 2rem 0;
}

.image-gallery img {
  width: 100%;
  height: 200px;
  object-fit: contain;
  border-radius: 2px;
  background: #ffffff;
  border: 1px solid var(--dl-hairline);
  transition: none;
}

.image-gallery img:hover {
  transform: none;
}

.image-gallery-2col {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin: 2rem 0;
}

.image-gallery-2col img {
  width: 100%;
  height: 220px;
  object-fit: contain;
  border-radius: 2px;
  background: #ffffff;
  border: 1px solid var(--dl-hairline);
}

.feature-image-large {
  width: 100%;
  max-width: 640px;
  height: auto;
  margin: 1.5rem auto;
  display: block;
  border-radius: 2px;
}

/* faded paga background kept, slightly quieter */
.research-bg {
  position: relative;
}

.research-bg::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: url("../assets/images/research/paga-empty.png");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.045;
  pointer-events: none;
  z-index: 0;
}

@media (max-width: 768px) {
  .research-two-col,
  .image-gallery,
  .image-gallery-2col {
    grid-template-columns: 1fr;
  }
}

/* -------------------------------------------------------------------
   footer + general
   ------------------------------------------------------------------- */

html {
  scroll-behavior: smooth;
}

.md-footer__inner {
  display: none;
}

.md-footer {
  background-color: var(--dl-paper);
  color: var(--dl-muted);
  border-top: 1px solid var(--dl-hairline);
  font-family: var(--dl-mono);
  font-size: 0.64rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* respect reduced motion everywhere */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  * {
    transition: none !important;
  }
}