/* Hallmark · pre-emit critique: P5 H5 E5 S5 R5 V4
 * genre: editorial · macrostructure: Index-First · theme: quiet dusk
 * audience: academic collaborators, students, prospective employers
 * use: understand the research and reach verified work · tone: editorial, precise
 * enrichment: typography + Tier-A CSS geometry · nav: N6
 * contrast: pass (40–41) · slop: pass (42–45)
 * honest: pass (46) · chrome: pass (47) · tokens: pass (48) · responsive: pass (49)
 * mobile: pass (34, 49, 50–57) · icons: pass (30)
 */
@import url("tokens.css");

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

html {
  color-scheme: dark;
  scroll-behavior: smooth;
  scrollbar-color: var(--color-rule-strong) var(--color-paper);
  overflow-x: clip;
  background: var(--color-paper);
}

body {
  margin: 0;
  overflow-x: clip;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
  text-decoration-thickness: var(--rule-hair);
  text-underline-offset: 0.22em;
}

a:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 4px;
}

a:active {
  opacity: 0.72;
}

a[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.55;
  pointer-events: none;
}

::selection {
  background: var(--color-accent);
  color: var(--color-accent-ink);
}

.skip-link {
  position: fixed;
  inset-block-start: var(--space-md);
  inset-inline-start: var(--space-md);
  z-index: 10;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-ink);
  color: var(--color-paper);
  opacity: 0;
  transform: translateY(-150%);
  white-space: nowrap;
}

.skip-link:focus {
  opacity: 1;
  transform: none;
}

.icon-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.shell {
  position: relative;
  width: min(100%, var(--shell-max));
  margin-inline: auto;
  padding-inline: var(--page-gutter);
}

.shell > * {
  min-width: 0;
}

.rails {
  display: none;
}

.masthead,
.intro,
.index-section,
.profile-section {
  isolation: isolate;
}

.masthead > :not(.rails),
.intro > :not(.rails),
.index-section > :not(.rails),
.profile-section > :not(.rails) {
  position: relative;
  z-index: 1;
}

.masthead {
  display: grid;
  gap: var(--space-md);
  padding-block: var(--space-xl) 0;
  text-align: center;
  animation: masthead-enter var(--dur-long) var(--ease-out) both;
}

.publication__year,
.publication__type,
dt,
time {
  margin: 0;
  color: var(--color-muted);
  font-size: var(--text-sm);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1.35;
  text-transform: uppercase;
}

.masthead__identity {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: var(--space-md);
  min-width: 0;
}

.masthead__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 4.25rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  text-transform: lowercase;
}

.masthead__han {
  margin: 0;
  font-size: var(--text-md);
  font-weight: 500;
}

.period {
  display: inline-block;
  width: 0.23em;
  height: 0.23em;
  margin-inline-start: 0.08em;
  background: var(--color-signal);
}

.masthead__nav {
  display: flex;
  justify-content: center;
  gap: clamp(var(--space-md), 5vw, var(--space-xl));
}

.masthead__nav a,
.profile-links a,
.text-link {
  font-size: var(--text-sm);
  font-weight: 700;
  white-space: nowrap;
}

.masthead__nav a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.masthead__nav a:hover,
.masthead__nav a:focus-visible {
  text-decoration: underline;
  text-decoration-color: var(--color-signal);
  text-decoration-thickness: var(--rule-strong);
}

.double-rule {
  height: 1px;
  border-block-start: var(--rule-hair) solid var(--color-rule-strong);
}

.intro {
  display: grid;
  gap: var(--space-2xl);
  padding-block: var(--space-3xl);
}

.intro__statement h1 {
  min-width: 0;
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-style: normal;
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.2;
  overflow-wrap: anywhere;
  color: var(--color-accent);
}

.intro__bio {
  display: grid;
  gap: var(--space-lg);
  max-width: 66ch;
  color: var(--color-ink);
  font-size: var(--text-base);
  line-height: 1.7;
}

.intro__bio p,
.profile-grid p {
  margin: 0;
}

.intro__facts {
  display: grid;
  gap: 0;
  margin: 0;
  border-block: var(--rule-hair) solid var(--color-ink);
}

.intro__facts > div {
  display: grid;
  gap: var(--space-sm);
  padding-block: var(--space-lg);
  border-block-end: var(--rule-hair) solid var(--color-rule);
}

.intro__facts > div:last-child {
  border-block-end: 0;
}

dd {
  margin: 0;
}

.profile-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.profile-links a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
}

.profile-icon {
  width: 1.125rem;
  height: 1.125rem;
  flex: 0 0 auto;
  fill: currentColor;
}

.profile-icon--orcid {
  width: 1.25rem;
  height: 1.25rem;
}

.index-section,
.profile-section {
  padding-block: var(--space-3xl);
}

.section-head {
  position: relative;
  display: grid;
  gap: var(--space-sm);
  padding-block-end: var(--space-xl);
  border-block-start: var(--rule-hair) solid var(--color-rule-strong);
}

.section-head::before {
  content: "";
  position: absolute;
  inset-block-start: -1px;
  inset-inline-start: 0;
  width: var(--space-2xl);
  height: var(--rule-strong);
  background: var(--color-signal);
}

.section-head h2 {
  min-width: 0;
  margin: var(--space-lg) 0 0;
  font-size: clamp(2rem, 3.5vw, 3.15rem);
  font-style: normal;
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.05;
  overflow-wrap: anywhere;
}

.index-row h3,
.publication__title {
  min-width: 0;
  overflow-wrap: anywhere;
}

.research-summary {
  max-width: 58ch;
  margin: 0 0 var(--space-xl);
  color: var(--color-ink);
  font-size: var(--text-md);
  line-height: 1.55;
}

.index-list {
  border-block-end: var(--rule-hair) solid var(--color-ink);
}

.index-row {
  display: grid;
  gap: var(--space-md);
  padding-block: var(--space-xl);
  border-block-start: var(--rule-hair) solid var(--color-rule-strong);
}

.index-row__content {
  display: grid;
  gap: var(--space-sm);
  max-width: 62ch;
}

.index-row h3,
.index-row p {
  margin: 0;
}

.index-row h3 {
  font-size: var(--text-lg);
  font-weight: 600;
  line-height: 1.2;
}

.publication__title {
  transition: transform var(--dur-short) var(--ease-out);
}

.publication-list,
.education-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.publication-list {
  border-block-end: var(--rule-hair) solid var(--color-ink);
}

.publication {
  display: grid;
  gap: var(--space-md);
  padding-block: var(--space-xl);
  border-block-start: var(--rule-hair) solid var(--color-rule-strong);
  text-decoration: none;
}

.publication__body {
  display: grid;
  gap: var(--space-sm);
  max-width: 70ch;
}

.publication__title {
  display: block;
  font-size: var(--text-md);
  font-weight: 600;
  line-height: 1.35;
}

.publication__authors,
.publication__venue {
  display: block;
  font-size: var(--text-sm);
}

.publication__venue {
  color: var(--color-muted);
  font-weight: 600;
}

.publication__type {
  align-self: end;
  white-space: nowrap;
}

.text-link,
.publication__type {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
}

.text-link::after,
.publication__type::after {
  content: "";
  width: 0.85em;
  height: 0.85em;
  flex: 0 0 auto;
  background: currentColor;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M15 3h6v6'/%3E%3Cpath d='M10 14 21 3'/%3E%3Cpath d='M18 13v6a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h6'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M15 3h6v6'/%3E%3Cpath d='M10 14 21 3'/%3E%3Cpath d='M18 13v6a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h6'/%3E%3C/svg%3E") center / contain no-repeat;
}

.publication:hover,
.publication:focus-visible {
  background: var(--color-paper-2);
}

.publication:hover .publication__title,
.publication:focus-visible .publication__title {
  transform: translateX(var(--space-xs));
}

.publications > .text-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  margin-block-start: var(--space-xl);
}

.profile-grid {
  display: grid;
  gap: var(--space-3xl);
  border-block: var(--rule-hair) solid var(--color-ink);
  padding-block: var(--space-xl);
}

.profile-grid__lead {
  display: grid;
  align-content: start;
  gap: var(--space-lg);
}

.profile-grid__role {
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.1;
}

.education-list li {
  display: grid;
  gap: var(--space-sm);
  padding-block: var(--space-lg);
  border-block-start: var(--rule-hair) solid var(--color-rule-strong);
}

.education-list li:first-child {
  border-block-start: 0;
  padding-block-start: 0;
}

.education-list p {
  margin: 0;
}

@media (max-width: 24rem) {
  .masthead__identity {
    gap: var(--space-sm);
  }

  .masthead__name {
    font-size: clamp(1.95rem, 9.5vw, 2.2rem);
  }

  .masthead__han {
    font-size: var(--text-base);
  }
}

@media (hover: hover) and (pointer: fine) {
  a:hover {
    text-decoration-color: var(--color-signal);
    text-decoration-thickness: var(--rule-strong);
  }
}

@media (min-width: 40rem) {
  .intro {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .intro__statement {
    grid-column: 1 / 4;
  }

  .intro__bio {
    grid-column: 4 / 12;
  }

  .intro__facts {
    grid-column: 1 / -1;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .intro__facts > div {
    padding-inline: var(--space-lg);
    border-block-end: 0;
    border-inline-start: var(--rule-hair) solid var(--color-rule);
  }

  .intro__facts > div:first-child {
    border-inline-start: 0;
    padding-inline-start: 0;
  }

  .publication {
    grid-template-columns: 1fr 9fr 2fr;
  }

  .publication__type {
    justify-self: end;
  }

  .profile-grid {
    grid-template-columns: 5fr 7fr;
  }

  .education-list li {
    grid-template-columns: 3fr 7fr;
  }

}

@media (min-width: 60rem) {
  .intro__statement {
    grid-column: 1 / 4;
  }

  .intro__bio {
    grid-column: 5 / 11;
  }

  .research-list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-block-start: var(--rule-hair) solid var(--color-rule-strong);
  }

  .research-list .index-row {
    border-block-start: 0;
    padding-inline: var(--space-lg);
  }

  .research-list .index-row:first-child {
    padding-inline-start: 0;
  }

  .research-list .index-row + .index-row {
    border-inline-start: var(--rule-hair) solid var(--color-rule);
  }

  .index-row,
  .publication {
    padding-inline: var(--space-md);
  }
}

@keyframes masthead-enter {
  from {
    opacity: 0;
    transform: translateY(var(--space-xs));
  }

  to {
    opacity: 1;
    transform: none;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: var(--dur-micro) !important;
    animation-iteration-count: 1 !important;
    transition-duration: var(--dur-micro) !important;
  }

  .publication__title {
    transform: none !important;
  }

  .masthead {
    animation: none;
  }
}