:root {
  --ink: #18252b;
  --muted: #5f7075;
  --line: #cbd8d6;
  --paper: #f7f9f7;
  --surface: #ffffff;
  --tint: #edf5f3;
  --teal: #0a7580;
  --deep-teal: #0c4e58;
  --coral: #aa493b;
  --gold: #b88737;
  --shadow: rgba(15, 47, 52, 0.16);
}

@font-face {
  font-family: "Font Awesome 6 Free";
  font-style: normal;
  font-weight: 900;
  font-display: swap;
  src: url("assets/webfonts/fa-solid-900.woff2") format("woff2");
}

@font-face {
  font-family: "Font Awesome 6 Brands";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("assets/webfonts/fa-brands-400.woff2") format("woff2");
}

.fas,
.fa {
  display: inline-block;
  font-family: "Font Awesome 6 Free";
  font-style: normal;
  font-weight: 900;
  line-height: 1;
  text-rendering: auto;
}

.fab,
.fa-github {
  display: inline-block;
  font-family: "Font Awesome 6 Brands";
  font-style: normal;
  font-weight: 400;
  line-height: 1;
  text-rendering: auto;
}

.fa-github {
  font-family: "Font Awesome 6 Brands";
  font-weight: 400;
}

.fa-bars::before { content: "\f0c9"; }
.fa-times::before { content: "\f00d"; }
.fa-map-marker::before { content: "\f041"; }
.fa-university::before { content: "\f19c"; }
.fa-graduation-cap::before { content: "\f19d"; }
.fa-envelope::before { content: "\f0e0"; }
.fa-github::before { content: "\f09b"; }
.fa-id-card::before { content: "\f2c2"; }
.fa-lightbulb-o::before { content: "\f0eb"; }
.fa-tasks::before { content: "\f0ae"; }
.fa-file-text-o::before { content: "\f0f6"; }
.fa-code::before { content: "\f121"; }
.fa-star::before { content: "\f005"; }
.fa-trophy::before { content: "\f091"; }
.fa-certificate::before { content: "\f0a3"; }
.fa-wrench::before { content: "\f0ad"; }
.fa-users::before { content: "\f0c0"; }
.fa-bullhorn::before { content: "\f0a1"; }
.fa-book::before { content: "\f02d"; }
.fa-external-link::before { content: "\f08e"; }
.fa-arrow-up::before { content: "\f062"; }

/* Modern Font Awesome names used by the original repository. */
.fa-xmark::before { content: "\f00d"; }
.fa-location-dot::before { content: "\f3c5"; }
.fa-building-columns::before { content: "\f19c"; }
.fa-address-card::before { content: "\f2bb"; }
.fa-microscope::before { content: "\f610"; }
.fa-file-lines::before { content: "\f15c"; }
.fa-code-branch::before { content: "\f126"; }
.fa-award::before { content: "\f559"; }
.fa-screwdriver-wrench::before { content: "\f7d9"; }
.fa-people-group::before { content: "\e533"; }
.fa-laptop-code::before { content: "\f5fc"; }
.fa-chalkboard-user::before { content: "\f51c"; }
.fa-arrow-up-right-from-square::before { content: "\f08e"; }
.fa-mobile-screen-button::before { content: "\f3cd"; }
.fa-book-open::before { content: "\f518"; }
.fa-mountain-sun::before { content: "\e52f"; }

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 74px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Roboto", "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
}

body,
button,
a {
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
}

a {
  color: var(--teal);
  text-decoration: none;
}

a:hover {
  color: var(--coral);
  text-decoration: underline;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid #e1a84d;
  outline-offset: 3px;
}

p,
h1,
h2,
h3,
ul,
dl {
  margin-top: 0;
}

h1,
h2,
h3 {
  line-height: 1.2;
}

h1,
h2,
h3,
p,
ul,
dl {
  margin-bottom: 16px;
}

code {
  padding: 2px 5px;
  color: var(--deep-teal);
  background: #e4efed;
  border-radius: 3px;
  font-size: 0.92em;
}

.wrapper {
  width: min(100% - 60px, 1024px);
  margin: 0 auto;
}

.narrow-section {
  max-width: 840px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: -60px;
  left: 16px;
  z-index: 20;
  padding: 8px 12px;
  color: #fff;
  background: var(--deep-teal);
  border-radius: 3px;
}

.skip-link:focus {
  top: 10px;
}

.page-top-anchor {
  display: block;
  width: 0;
  height: 0;
  overflow: hidden;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  min-height: 58px;
  background: rgba(255, 255, 255, 0.96);
  border-top: 3px solid var(--coral);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 2px 14px rgba(24, 37, 43, 0.06);
}

.nav-shell {
  display: flex;
  align-items: center;
  min-height: 55px;
}

.site-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  color: #fff;
  background: var(--deep-teal);
  border-radius: 50%;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.site-mark:hover {
  color: #fff;
  text-decoration: none;
  background: var(--coral);
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  width: 100%;
  padding-left: 48px;
}

.site-nav a {
  position: relative;
  padding: 18px 0 16px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 8px;
  left: 0;
  height: 2px;
  content: "";
  background: var(--coral);
  transform: scaleX(0);
  transition: transform 180ms ease;
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--teal);
  text-decoration: none;
}

.site-nav a:hover::after,
.site-nav a.is-active::after {
  transform: scaleX(1);
}

.menu-toggle {
  display: none;
  margin-left: auto;
  padding: 8px 10px;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 4px;
  font-size: 18px;
  cursor: pointer;
}

.hero {
  position: relative;
  min-height: 320px;
  overflow: hidden;
  background-color: #457e86;
  background-image: url("images/background/desktop-bg-01.jpg");
  background-position: center 48%;
  background-size: cover;
}

.hero::before {
  position: absolute;
  inset: 0;
  content: "";
  background: rgba(8, 49, 57, 0.28);
}

.hero-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 320px;
  padding-top: 22px;
  padding-bottom: 22px;
}

.profile-card {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  align-items: center;
  width: min(100%, 760px);
  padding: 26px 32px;
  background: rgba(255, 255, 255, 0.91);
  border: 1px solid rgba(255, 255, 255, 0.92);
  border-radius: 8px;
  box-shadow: 0 16px 36px var(--shadow);
}

.profile-photo-column {
  display: flex;
  justify-content: center;
}

.profile-avatar {
  display: block;
  width: 168px;
  height: 168px;
  object-fit: cover;
  object-position: center 38%;
  border: 4px solid #fff;
  border-radius: 50%;
  box-shadow: 0 5px 18px rgba(17, 48, 54, 0.24);
}

.profile-copy {
  min-width: 0;
  padding-left: 22px;
}

.profile-kicker,
.entry-label {
  margin-bottom: 8px;
  color: var(--coral);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.profile-copy h1 {
  margin-bottom: 5px;
  color: var(--ink);
  font-size: 36px;
  font-weight: 800;
}

.profile-focus {
  margin-bottom: 13px;
  color: var(--deep-teal);
  font-size: 18px;
  font-weight: 500;
}

.profile-contact {
  display: flex;
  flex-wrap: wrap;
  gap: 5px 18px;
  margin-bottom: 16px;
  color: var(--muted);
  font-size: 14px;
}

.profile-contact span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.profile-contact i {
  color: var(--teal);
}

.social-media {
  display: flex;
  gap: 10px;
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  color: var(--deep-teal);
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(12, 78, 88, 0.26);
  border-radius: 9px;
  font-size: 17px;
  box-shadow: 0 3px 8px rgba(12, 78, 88, 0.1);
  transition: color 180ms ease, background-color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.social-link:hover {
  color: #fff;
  background: var(--deep-teal);
  border-color: var(--deep-teal);
  text-decoration: none;
  transform: translateY(-2px);
}

.content-section {
  padding: 58px 0 62px;
  border-bottom: 1px solid var(--line);
}

.section-tint {
  background: var(--tint);
}

.section-heading {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}

.section-heading h2 {
  margin: 0;
  color: var(--ink);
  font-size: 28px;
  font-weight: 800;
}

.section-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: var(--teal);
  background: #e5f1ef;
  border: 1px solid #a8cfca;
  border-radius: 8px;
  box-shadow: 0 2px 0 rgba(10, 117, 128, 0.1);
  font-size: 18px;
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(230px, 0.65fr);
  gap: 48px;
  align-items: start;
}

.about-copy p {
  max-width: 690px;
  margin-bottom: 14px;
  color: #33464b;
  font-size: 17px;
}

.about-copy strong {
  color: var(--deep-teal);
}

.fact-column {
  padding-left: 24px;
  border-left: 3px solid var(--coral);
}

.fact-column h3,
.education-strip h3,
.skill-group h3 {
  margin-bottom: 12px;
  color: var(--deep-teal);
  font-size: 18px;
  font-weight: 800;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.tag-list li {
  padding: 4px 9px;
  color: var(--deep-teal);
  background: #d9ebe8;
  border: 1px solid #bad9d5;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 700;
}

.education-strip {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
  padding-top: 26px;
  margin-top: 32px;
  border-top: 1px solid var(--line);
}

.education-label {
  color: var(--coral);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.education-label i {
  margin-right: 6px;
}

.education-strip h3 {
  margin-bottom: 6px;
}

.education-strip p {
  margin-bottom: 4px;
  color: #33464b;
}

.muted {
  color: var(--muted) !important;
  font-size: 14px;
}

.research-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 42px;
}

.research-entry {
  padding-top: 17px;
  border-top: 3px solid var(--teal);
}

.research-entry h3,
.publication-content h3,
.project-content h3 {
  margin-bottom: 10px;
  color: var(--ink);
  font-size: 20px;
  font-weight: 800;
}

.research-entry h3 a,
.publication-content h3 a {
  color: var(--ink);
}

.research-entry h3 a:hover,
.publication-content h3 a:hover {
  color: var(--coral);
}

.research-entry p:last-child,
.publication-content p,
.project-content p {
  margin-bottom: 12px;
  color: #4a5d62;
}

.publication-row {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 22px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.publication-mark,
.project-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 96px;
  height: 72px;
  border: 1px solid #b9d7d3;
  border-top-width: 4px;
  border-radius: 8px;
  font-size: 24px;
  font-weight: 900;
  letter-spacing: 0.05em;
}

.publication-mark {
  color: var(--deep-teal);
  background: #e8f3f1;
  border-top-color: var(--coral);
  font-size: 42px;
}

.publication-mark .ai {
  line-height: 1;
}

.text-link {
  display: inline-block;
  margin-top: 2px;
  font-size: 14px;
  font-weight: 800;
}

.text-link i {
  margin-right: 5px;
}

.project-list {
  border-top: 1px solid var(--line);
}

.project-row {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 26px;
  padding: 25px 0;
  border-bottom: 1px solid var(--line);
}

.project-mark {
  width: 120px;
  height: 86px;
  font-size: 30px;
  box-shadow: 0 3px 8px rgba(15, 47, 52, 0.06);
}

.project-mark-teal {
  color: var(--teal);
  background: #e8f3f1;
  border-color: #b9d7d3;
  border-top-color: var(--teal);
}

.project-mark-coral {
  color: var(--coral);
  background: #f8ece9;
  border-color: #e4c1ba;
  border-top-color: var(--coral);
}

.project-mark-gold {
  color: var(--ink);
  background: #fbf3df;
  border-color: #e4c98c;
  border-top-color: var(--gold);
}

.project-mark-ink {
  color: var(--deep-teal);
  background: #e7eef0;
  border-color: #becfd2;
  border-top-color: var(--ink);
}

.project-content h3 {
  margin-bottom: 8px;
}

.compact-tags {
  margin-top: 8px;
}

.compact-tags li {
  padding-top: 3px;
  padding-bottom: 3px;
  font-size: 12px;
}

.award-list {
  border-top: 1px solid var(--line);
}

.award-row {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.award-symbol {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  color: var(--gold);
  background: #fbf3df;
  border: 1px solid #e4c98c;
  border-radius: 50%;
}

.award-row h3 {
  margin-bottom: 4px;
  color: var(--ink);
  font-size: 17px;
  font-weight: 800;
}

.award-row p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 54px;
}

.skill-group {
  padding-top: 17px;
  border-top: 3px solid var(--teal);
}

.skill-list {
  margin-bottom: 0;
}

.skill-list > div {
  display: grid;
  grid-template-columns: 118px minmax(0, 1fr);
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

.skill-list dt {
  color: var(--deep-teal);
  font-size: 14px;
  font-weight: 800;
}

.skill-list dd {
  margin: 0;
  color: #4a5d62;
  font-size: 14px;
}

.course-list {
  padding: 0;
  margin: 0;
  list-style: none;
}

.course-list li {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr) 24px;
  gap: 8px;
  align-items: baseline;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  color: #4a5d62;
  font-size: 14px;
}

.course-list li span {
  color: var(--deep-teal);
  font-weight: 800;
  white-space: nowrap;
}

.course-list li strong {
  color: var(--coral);
  text-align: right;
}

.service-list {
  padding: 0;
  margin: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.service-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  color: #4a5d62;
}

.service-list strong {
  color: var(--ink);
}

.service-bullet {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  flex: 0 0 auto;
  color: var(--teal);
  background: #e5f1ef;
  border: 1px solid #a8cfca;
  border-radius: 50%;
  font-size: 13px;
}

.site-footer {
  padding: 22px 0;
  color: var(--muted);
  background: #e1ebe9;
  font-size: 13px;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.footer-inner a {
  font-weight: 700;
}

@media (max-width: 860px) {
  .wrapper {
    width: min(100% - 40px, 1024px);
  }

  .site-nav {
    gap: 15px;
    padding-left: 24px;
  }

  .site-nav a {
    font-size: 12px;
  }

  .profile-card {
    grid-template-columns: 160px minmax(0, 1fr);
    padding-right: 24px;
    padding-left: 24px;
  }

  .profile-avatar {
    width: 146px;
    height: 146px;
  }

  .profile-copy {
    padding-left: 16px;
  }

  .profile-copy h1 {
    font-size: 32px;
  }
}

@media (max-width: 700px) {
  html {
    scroll-padding-top: 64px;
  }

  .wrapper {
    width: min(100% - 30px, 1024px);
  }

  .site-header {
    min-height: 54px;
  }

  .nav-shell {
    position: relative;
    min-height: 51px;
  }

  .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .site-nav {
    position: absolute;
    top: 51px;
    right: 0;
    left: 0;
    display: none;
    align-items: stretch;
    flex-direction: column;
    gap: 0;
    width: auto;
    padding: 6px 14px 12px;
    background: #fff;
    border: 1px solid var(--line);
    border-top: 0;
    box-shadow: 0 8px 16px rgba(24, 37, 43, 0.11);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 10px 4px;
    border-bottom: 1px solid #e5eeec;
  }

  .site-nav a:last-child {
    border-bottom: 0;
  }

  .site-nav a::after {
    right: auto;
    bottom: 0;
    left: 4px;
    width: 28px;
  }

  .hero,
  .hero-inner {
    min-height: 400px;
  }

  .hero {
    background-position: center center;
  }

  .profile-card {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 24px 18px 26px;
    text-align: center;
  }

  .profile-avatar {
    width: 138px;
    height: 138px;
  }

  .profile-copy {
    padding-left: 0;
  }

  .profile-kicker {
    margin-bottom: 7px;
    font-size: 12px;
  }

  .profile-copy h1 {
    font-size: 30px;
  }

  .profile-focus {
    font-size: 16px;
  }

  .profile-contact,
  .social-media {
    justify-content: center;
  }

  .content-section {
    padding: 42px 0 46px;
  }

  .section-heading {
    margin-bottom: 22px;
  }

  .section-heading h2 {
    font-size: 25px;
  }

  .about-grid,
  .research-grid,
  .skills-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .fact-column {
    padding-top: 8px;
    padding-left: 18px;
  }

  .education-strip {
    grid-template-columns: 1fr;
    gap: 10px;
    margin-top: 25px;
  }

  .publication-row,
  .project-row {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .publication-mark,
  .project-mark {
    width: 76px;
    height: 58px;
    font-size: 21px;
  }

  .project-row {
    padding: 22px 0;
  }

  .project-content h3,
  .publication-content h3,
  .research-entry h3 {
    font-size: 18px;
  }

  .skill-list > div {
    grid-template-columns: 1fr;
    gap: 3px;
  }

  .course-list li {
    grid-template-columns: 74px minmax(0, 1fr) 20px;
    gap: 6px;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}