@font-face {
  font-family: "Poppins";
  src: url("assets/fonts/poppins-400.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Poppins";
  src: url("assets/fonts/poppins-500.woff2") format("woff2");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}

@font-face {
  font-family: "Poppins";
  src: url("assets/fonts/poppins-600.woff2") format("woff2");
  font-style: normal;
  font-weight: 600;
  font-display: swap;
}

@font-face {
  font-family: "Poppins";
  src: url("assets/fonts/poppins-700.woff2") format("woff2");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

@font-face {
  font-family: "Poppins";
  src: url("assets/fonts/poppins-400-italic.woff2") format("woff2");
  font-style: italic;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "icomoon";
  src: url("assets/fonts/icomoon.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: block;
}

.font-icon,
.section-nav__icon::before {
  font-family: "icomoon" !important;
  font-style: normal;
  font-weight: 400;
  font-variant: normal;
  line-height: 1;
  text-transform: none;
  speak: never;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.icon-linkedin::before {
  content: "\e908";
}

.icon-google::before {
  content: "\e906";
}

.icon-github::before {
  content: "\e905";
}

:root {
  --accent: #2962ff;
  --accent-dark: #224878;
  --orange: #7698c2;
  --title: #263e5b;
  --ink: #3a4e66;
  --muted: rgba(58, 78, 102, 0.82);
  --line: #dce5ee;
  --page: #f7f7f7;
  --card: #fff;
  --radius: 20px;
  --shadow: 0 20px 40px rgba(42, 65, 91, 0.08);
}

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

html {
  background: #f7f7f7;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background: #f7f7f7;
  font-family: "Poppins", sans-serif;
  font-size: 14px;
  font-weight: 400;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a {
  color: #2962ff;
  text-decoration: none;
}

a:hover {
  color: var(--accent-dark);
  text-decoration: none;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  padding: 7px 12px;
  color: #fff;
  background: var(--accent-dark);
  border-radius: 8px;
  transform: translateY(-150%);
}

.skip-link:focus {
  color: #fff;
  transform: translateY(0);
}

.hero {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 396px;
  overflow: hidden;
}

.hero__image {
  width: 100%;
  height: 396px;
  background-image: url("assets/hyunHouse.jpg");
  background-repeat: no-repeat;
  background-position: 50% 45%;
  background-size: cover;
}

.page-shell {
  position: relative;
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 310px 15px 0;
}

.card {
  background: var(--card);
  border: 0;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.profile-card {
  position: relative;
  display: flex;
  width: 100%;
  margin: 0 0 30px;
  padding: 30px;
  overflow: visible;
}

.profile-card__identity {
  position: relative;
  display: flex;
  width: 50%;
  min-height: 104.375px;
  align-items: flex-start;
  padding-right: 30px;
}

.portrait-wrap {
  flex: 0 0 162px;
  width: 162px;
  height: 162px;
  margin: -66px 0 0;
  overflow: hidden;
  background: #fff;
  border: 6px solid #fff;
  border-radius: 47px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.05);
}

.portrait {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 24%;
}

.identity-copy {
  min-width: 0;
  margin-left: 24px;
}

.profile-name {
  margin: 0 0 2px;
  color: var(--title);
  font-size: 24px;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: normal;
}

.korean-name {
  font-size: 0.8em;
  font-weight: 500;
}

.profile-title {
  display: inline-flex;
  align-items: center;
  margin: 0;
  color: var(--ink);
  font-size: 14px;
  line-height: 1.7;
}

.social-links {
  display: flex;
  align-items: center;
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
}

.social-links li {
  width: 16px;
  margin-right: 16px;
}

.social-links li:last-child {
  margin-right: 0;
}

.social-link {
  display: inline-block;
  width: auto;
  height: auto;
  color: var(--ink);
  background: transparent;
  border-radius: 0;
}

.social-link:hover {
  color: #2962ff;
  background: transparent;
  transform: none;
}

.social-link .font-icon {
  display: inline-block;
  width: 16px;
  height: 16px;
  font-size: 16px;
  line-height: 16px;
}

.contact-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-template-rows: repeat(2, 44.1875px);
  grid-auto-flow: column;
  width: 50%;
  min-height: 104.375px;
  align-content: start;
  row-gap: 16px;
  margin: 0;
  padding: 0 0 0 30px;
  background: transparent;
  border-left: 1px solid var(--line);
  list-style: none;
}

.contact-item {
  display: block;
  min-width: 0;
  padding-left: 40px;
}

.contact-item__copy {
  display: block;
  min-width: 0;
  line-height: 1.7;
}

.contact-item__copy > a,
.contact-item__copy > span:not(.eyebrow) {
  display: block;
  overflow: hidden;
  color: var(--ink);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.7;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.contact-item__copy > a:hover {
  color: #2962ff;
}

.contact-item:last-child .contact-item__copy > a {
  color: #2962ff;
  font-weight: 600;
}

.eyebrow {
  display: block;
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 400;
  line-height: 1.7;
  letter-spacing: normal;
  text-transform: uppercase;
}

.content-layout {
  display: grid;
  grid-template-columns: 1fr 5fr;
  align-items: start;
  margin: 0 -15px;
}

.sidebar {
  position: relative;
  min-width: 0;
  padding: 0 15px;
}

.section-nav {
  position: sticky;
  top: 30px;
  display: flex;
  width: 100%;
  height: 276px;
  padding: 30px;
  flex-direction: column;
  gap: 16px;
}

.section-nav__link {
  position: relative;
  display: flex;
  width: 100px;
  height: 100px;
  flex: 0 0 100px;
  align-items: center;
  justify-content: center;
  color: var(--ink);
  background: #f7f9fa;
  border-radius: 20px;
  flex-direction: column;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.7;
}

.section-nav__link:hover {
  color: #2962ff;
}

.section-nav__link.is-active {
  color: #fff;
  background: #f7f9fa linear-gradient(142.17deg, #244f8f 6.66%, #244f8f 91.48%);
  /* box-shadow: -4px -4px 5px rgba(0, 0, 0, 0.1) inset, 4px 4px 5px rgba(255, 255, 255, 0.23) inset; */
}

.section-nav__icon {
  display: block;
  width: 36px;
  height: 36px;
  margin: 4px 0 8px;
}

.section-nav__icon::before {
  display: block;
  font-size: 36px;
  line-height: 36px;
}

.section-nav__icon[data-icon="user"]::before {
  content: "\ea12";
}

.section-nav__icon[data-icon="file"]::before {
  content: "\e97a";
}

.content-column {
  min-width: 0;
  padding: 0 15px;
}

.panel {
  position: relative;
  width: 100%;
  padding: 30px;
  scroll-margin-top: 24px;
}

.panel + .panel {
  margin-top: 24px;
}

.section-title {
  position: relative;
  margin: 0 0 37px;
  padding: 0;
  color: var(--title);
  font-size: 26px;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: normal;
}

.section-title::before,
.section-title::after {
  position: absolute;
  top: calc(100% + 2px);
  left: 0;
  height: 3px;
  content: "";
  border-radius: 8px;
}

.section-title::before {
  width: 40px;
  background: var(--accent);
}

.section-title::after {
  width: 16px;
  background: var(--orange);
}

.about-copy {
  max-width: none;
  color: var(--ink);
  font-size: 14px;
  line-height: 1.7;
}

.about-copy p {
  margin: 0 0 16px;
}

.about-copy p:last-child {
  margin-bottom: 0;
}

.about-copy b,
.about-copy strong {
  color: var(--ink);
  font-weight: 700;
}

.resume-section {
  margin-top: 37px;
}

.resume-section:first-of-type {
  margin-top: 53px;
}

.resume-heading {
  display: flex;
  align-items: center;
  margin: 0 0 16px;
  color: var(--title);
  font-size: 24px;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: normal;
}

.resume-heading__icon {
  display: block;
  width: 30px;
  height: 30px;
  margin: -4px 8px 0 0;
  color: #2962ff;
  background: transparent;
  border-radius: 0;
}

.resume-heading__icon .icon {
  width: 30px;
  height: 30px;
  stroke-width: 1.4;
}

.timeline {
  margin: 28px 0 14px;
  padding: 0 0 0 8px;
}

.timeline::before {
  display: none;
}

.timeline-item {
  position: relative;
  padding: 0 0 9px 22px;
  border-left: 1px solid var(--line);
}

.timeline-item:last-child {
  padding-bottom: 0;
  border-left: 0;
}

.timeline-item::before {
  position: absolute;
  top: 0;
  left: -5px;
  width: 10px;
  height: 10px;
  content: "";
  background: var(--accent);
  border: 0;
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(41, 98, 255, 0.22);
}

.timeline-item__title {
  position: relative;
  top: -5px;
  margin: 0;
  color: var(--title);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.3;
}

.silent-link {
  color: var(--title);
}

.silent-link:hover {
  color: #2962ff;
}

.timeline-item__period {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.6;
}

.timeline-item__description {
  margin: 2px 0 16px;
  color: var(--ink);
  font-size: 14px;
  line-height: 1.6;
}

.detail-list {
  margin: -12px 0 16px;
  padding: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.timeline--publications .timeline-item {
  padding-bottom: 9px;
}

.publication__title {
  max-width: none;
}

.publication__authors {
  color: var(--muted);
}

.own-name {
  color: var(--title);
  font-weight: 600;
}

.publication__meta {
  display: block;
  margin: 2px 0 16px;
}

.venue {
  color: var(--ink);
  font-weight: 400;
}

.publication-link,
.publication-link:link,
.publication-link:visited,
.publication-link:hover,
.publication-link:focus {
  margin-left: 3px;
  color: #2962ff !important;
  font-size: 14px;
  font-weight: 400;
}

.publication__note {
  margin: -14px 0 16px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 400;
}

.site-footer {
  display: flex;
  justify-content: center;
  padding: 20px 0 18px;
  color: rgba(58, 78, 102, 0.52);
  font-size: 12px;
  line-height: 1.6;
}

#copyright {
  display: none;
}

.back-to-top {
  display: none;
}

.noscript {
  position: fixed;
  right: 15px;
  bottom: 15px;
  left: 15px;
  z-index: 100;
  padding: 12px;
  color: #fff;
  text-align: center;
  background: #a73535;
}

.icon {
  display: block;
}

@media (max-width: 991.98px) {
  body {
    line-height: 1.6;
  }

  .hero__image {
    height: 792px;
    background-image: url("assets/hyunHouse.jpg");
    background-position: 50% 45%;
    transform: translateY(-66px);
  }

  .page-shell {
    max-width: 720px;
    padding-top: 160px;
  }

  .profile-card {
    margin-bottom: 15px;
    padding: 16px;
    flex-direction: column;
  }

  .profile-card__identity {
    width: 100%;
    min-height: 203.375px;
    align-items: center;
    padding: 0 0 20px;
    flex-direction: column;
  }

  .portrait-wrap {
    margin: -80px 0 20px;
  }

  .identity-copy {
    margin: 0;
    text-align: center;
  }

  .profile-name {
    font-size: 18px;
  }

  .social-links {
    justify-content: center;
  }

  .contact-list {
    grid-template-columns: 1fr;
    grid-template-rows: repeat(4, 41.5781px);
    grid-auto-flow: row;
    width: 100%;
    min-height: 226.312px;
    row-gap: 12px;
    padding: 24px 0 0;
    border-top: 0;
    border-left: 0;
    box-shadow: inset 0 1px var(--line);
  }

  .contact-item {
    padding-left: 0;
  }

  .contact-item__copy,
  .contact-item__copy > a,
  .contact-item__copy > span:not(.eyebrow),
  .eyebrow {
    line-height: 1.6;
  }

  .content-layout {
    display: block;
    margin: 0 -15px;
  }

  .sidebar {
    height: 0;
    padding: 0 15px;
  }

  .section-nav {
    position: fixed;
    top: auto;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 50;
    width: 100vw;
    height: 60.5938px;
    padding: 8px 15px;
    justify-content: center;
    gap: 0;
    flex-direction: row;
    background: #fff;
    border-radius: 0;
    box-shadow: 0 20px 40px rgba(42, 65, 91, 0.18);
  }

  .section-nav__link {
    width: 72.5938px;
    height: 44.5938px;
    flex: 0 0 72.5938px;
    color: var(--ink);
    background: transparent;
    border-radius: 16px;
    font-size: 11px;
    line-height: 1.6;
  }

  .section-nav__link.is-active {
    color: #2962ff;
    background: transparent;
    box-shadow: none;
  }

  .section-nav__icon {
    width: 17px;
    height: 17px;
    margin: 6px 0 4px;
  }

  .section-nav__icon::before {
    font-size: 17px;
    line-height: 17px;
  }

  .content-column {
    padding: 0 15px;
  }

  .panel {
    padding: 16px;
    border-radius: 13.3333px;
  }

  .panel + .panel {
    margin-top: 24px;
  }

  .section-title {
    margin-bottom: 25px;
    font-size: 22px;
  }

  .section-title::before,
  .section-title::after {
    top: calc(100% + 5px);
  }

  .about-copy {
    font-size: 14px;
    line-height: 1.6;
  }

  .resume-section {
    margin-top: 32px;
  }

  .resume-section:first-of-type {
    margin-top: 41px;
  }

  .resume-heading {
    font-size: 18px;
    line-height: 1.3;
  }

  .resume-heading__icon {
    height: 25px;
  }

  .resume-heading__icon .icon {
    height: 25px;
  }

  .timeline {
    margin: 24px 0 14px;
  }

  .timeline-item__period,
  .timeline-item__description,
  .detail-list {
    line-height: 1.6;
  }

  .site-footer {
    padding-bottom: 76px;
  }
}

@media (max-width: 575.98px) {
  .page-shell {
    max-width: none;
  }
}

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

@media print {
  .hero,
  .sidebar {
    display: none;
  }

  .page-shell {
    max-width: none;
    padding-top: 0;
  }

  .card {
    box-shadow: none;
  }

  .content-layout {
    display: block;
    margin: 0;
  }

  .content-column {
    padding: 0;
  }
}