:root {
  --accent: #2563eb;
  --background: #f7f7f8;
  --surface: #ffffff;
  --surface-muted: #f4f4f5;
  --surface-hover: #eeeeef;
  --text: #18181b;
  --text-muted: #66666f;
  --text-soft: #8a8a93;
  --border: #e4e4e7;
  --border-strong: #d4d4d8;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 12px 32px rgba(0, 0, 0, 0.04);
  --header-height: 64px;
  --radius: 14px;
  --radius-small: 9px;
}

[data-theme="dark"] {
  --background: #111113;
  --surface: #18181b;
  --surface-muted: #202023;
  --surface-hover: #29292d;
  --text: #f4f4f5;
  --text-muted: #b4b4bd;
  --text-soft: #8d8d98;
  --border: #2e2e33;
  --border-strong: #414148;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.25), 0 12px 32px rgba(0, 0, 0, 0.18);
}

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

html {
  height: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
}

body {
  height: 100%;
  min-width: 320px;
  margin: 0;
  overflow: hidden;
  background: var(--background);
  color: var(--text);
  font-family: "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
  transition: background-color 160ms ease, color 160ms ease;
}

.metaverse-stage {
  position: fixed;
  z-index: 40;
  top: var(--header-height);
  right: 0;
  bottom: 0;
  left: 0;
  overflow: hidden;
  visibility: hidden;
  background: #1b1c18;
  opacity: 0;
  pointer-events: none;
  transition: opacity 240ms ease, visibility 240ms ease;
}

[data-view="metaverse"] .metaverse-stage[data-active="true"] {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
}

.metaverse-stage canvas {
  display: block;
  width: 100%;
  height: 100%;
  outline: 0;
  cursor: crosshair;
  touch-action: none;
}

.world-ui {
  position: absolute;
  inset: 0;
  overflow: hidden;
  color: #302d28;
  pointer-events: none;
}

.world-statusbar {
  position: absolute;
  top: 16px;
  right: 20px;
  left: 20px;
  display: flex;
  justify-content: space-between;
  color: rgba(76, 67, 59, 0.8);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.world-start {
  position: absolute;
  top: 50%;
  left: 50%;
  display: grid;
  width: min(440px, calc(100% - 32px));
  border: 1px solid rgba(130, 105, 82, 0.34);
  border-radius: 18px;
  padding: 30px;
  background: rgba(255, 251, 245, 0.94);
  box-shadow: 0 24px 80px rgba(48, 37, 28, 0.2);
  text-align: center;
  pointer-events: auto;
  transform: translate(-50%, -50%);
  backdrop-filter: blur(18px);
  gap: 12px;
}

.world-start[hidden] {
  display: none;
}

.world-start-kicker {
  color: #a86744;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.world-start strong {
  font-size: clamp(24px, 4vw, 34px);
  line-height: 1.35;
  letter-spacing: -0.04em;
}

.world-start p {
  margin: 0;
  color: #685e55;
  font-size: 14px;
}

.world-start-button {
  min-height: 46px;
  margin-top: 8px;
  border: 1px solid #9f603d;
  border-radius: 10px;
  background: #a86744;
  color: #ffffff;
  font-weight: 800;
  cursor: pointer;
}

.world-start-button:hover {
  background: #8f5537;
}

.world-start-controls {
  color: #8a7a6c;
  font-size: 11px;
  font-weight: 650;
}

kbd {
  display: inline-flex;
  min-width: 22px;
  min-height: 20px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(133, 110, 91, 0.42);
  border-radius: 5px;
  padding: 0 5px;
  background: rgba(71, 62, 53, 0.92);
  color: #fffaf3;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 10px;
  box-shadow: inset 0 -1px 0 rgba(255, 255, 255, 0.14);
}

.world-crosshair {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 18px;
  height: 18px;
  opacity: 0;
  transform: translate(-50%, -50%);
}

.world-crosshair::before,
.world-crosshair::after {
  position: absolute;
  background: rgba(77, 60, 47, 0.78);
  content: "";
}

.world-crosshair::before {
  top: 8px;
  left: 1px;
  width: 16px;
  height: 2px;
}

.world-crosshair::after {
  top: 1px;
  left: 8px;
  width: 2px;
  height: 16px;
}

.metaverse-stage[data-started="true"] .world-crosshair {
  opacity: 1;
}

.world-interaction {
  position: absolute;
  bottom: 78px;
  left: 50%;
  display: flex;
  align-items: center;
  border: 1px solid rgba(168, 103, 68, 0.58);
  border-radius: 999px;
  padding: 9px 16px 9px 9px;
  background: rgba(255, 251, 245, 0.92);
  box-shadow: 0 14px 34px rgba(60, 45, 33, 0.22);
  color: #3b332c;
  font-size: 12px;
  transform: translateX(-50%);
  backdrop-filter: blur(12px);
  gap: 10px;
}

.world-interaction[hidden] {
  display: none;
}

.world-interaction-key {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border: 1px solid #9f603d;
  border-radius: 50%;
  background: #a86744;
  color: #ffffff;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-weight: 900;
}

.world-help {
  position: absolute;
  right: 20px;
  bottom: 18px;
  display: flex;
  align-items: center;
  border: 1px solid rgba(119, 97, 78, 0.26);
  border-radius: 9px;
  padding: 7px 9px;
  background: rgba(255, 251, 245, 0.78);
  color: #665b51;
  font-size: 9px;
  backdrop-filter: blur(10px);
  gap: 10px;
}

.world-help span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.world-help em {
  font-style: normal;
}

.world-touch-controls {
  display: none;
  transition: opacity 160ms ease, visibility 160ms ease;
}

.metaverse-stage[data-started="false"] .world-interaction {
  display: none;
}

.metaverse-stage[data-started="false"] .world-touch-controls {
  visibility: hidden;
  opacity: 0;
}

.world-touch-pad {
  display: grid;
  grid-template-columns: repeat(3, 44px);
  grid-template-rows: repeat(2, 44px);
  gap: 5px;
  pointer-events: auto;
}

.world-touch-actions {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 8px;
  pointer-events: auto;
}

.world-touch-pad button,
.world-touch-jump,
.world-touch-interact {
  display: grid;
  padding: 0;
  place-items: center;
  border: 1px solid rgba(119, 97, 78, 0.42);
  background: rgba(255, 251, 245, 0.9);
  color: #403830;
  font-weight: 800;
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(10px);
  touch-action: none;
}

.world-touch-pad button {
  border-radius: 10px;
}

.world-touch-pad button[data-move="forward"] {
  grid-column: 2;
}

.world-touch-pad button[data-move="left"] {
  grid-row: 2;
  grid-column: 1;
}

.world-touch-pad button[data-move="backward"] {
  grid-row: 2;
  grid-column: 2;
}

.world-touch-pad button[data-move="right"] {
  grid-row: 2;
  grid-column: 3;
}

.world-touch-pad button[data-sprinting="true"] {
  border-color: #b2744d;
  background: rgba(178, 116, 77, 0.92);
  color: #ffffff;
}

.world-touch-interact {
  min-width: 72px;
  min-height: 48px;
  border-color: #9f603d;
  border-radius: 999px;
  background: rgba(168, 103, 68, 0.92);
  color: #ffffff;
  pointer-events: auto;
}

.world-touch-jump {
  min-width: 72px;
  min-height: 48px;
  border-color: #b2744d;
  border-radius: 999px;
  background: rgba(178, 116, 77, 0.94);
  color: #ffffff;
  pointer-events: auto;
}

.world-touch-interact:disabled {
  border-color: rgba(119, 97, 78, 0.25);
  background: rgba(238, 229, 219, 0.82);
  color: #9a8d80;
}

[data-view="metaverse"] .site-header {
  border-color: rgba(91, 74, 60, 0.36);
  background: rgba(46, 44, 39, 0.94);
  color: #fffaf3;
  box-shadow: 0 8px 30px rgba(36, 29, 23, 0.24);
}

[data-view="metaverse"] .view-button {
  border-color: #c58a61;
  background: rgba(168, 103, 68, 0.38);
  color: #f3d1b8;
  box-shadow: inset 0 0 16px rgba(168, 103, 68, 0.16);
}

.metaverse-unavailable .view-button {
  display: none;
}

[data-view="metaverse"] .brand-mark {
  border: 1px solid #c58a61;
  box-shadow: 0 0 18px rgba(168, 103, 68, 0.34);
}

[data-view="metaverse"] .site-header .icon-button,
[data-view="metaverse"] .site-header .language-button {
  border-color: rgba(219, 198, 178, 0.24);
  color: #eee3d8;
}

[data-view="metaverse"] .site-header .icon-button:hover,
[data-view="metaverse"] .site-header .language-button:hover {
  background: rgba(107, 82, 63, 0.72);
  color: #ffffff;
}

[data-view="metaverse"] .main-navigation {
  visibility: hidden;
  pointer-events: none;
}

body.nav-open {
  overflow: hidden;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

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

.skip-link {
  position: fixed;
  z-index: 200;
  top: 8px;
  left: 8px;
  padding: 8px 12px;
  border-radius: 8px;
  background: var(--text);
  color: var(--surface);
  transform: translateY(-150%);
}

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

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  right: 0;
  left: 0;
  height: var(--header-height);
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  backdrop-filter: blur(14px);
}

.header-shell {
  display: grid;
  grid-template-columns: minmax(210px, 1fr) auto minmax(210px, 1fr);
  align-items: center;
  width: min(1240px, calc(100% - 40px));
  height: 100%;
  margin: 0 auto;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-width: 0;
  gap: 10px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.brand-mark {
  display: grid;
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  place-items: center;
  border-radius: 8px;
  background: var(--accent);
  color: #ffffff;
  font-size: 14px;
  font-weight: 800;
}

.main-navigation {
  align-self: stretch;
}

.navigation-links {
  display: flex;
  align-items: stretch;
  height: 100%;
  gap: 4px;
}

.navigation-link {
  position: relative;
  display: flex;
  align-items: center;
  padding: 0 10px;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  transition: color 140ms ease;
}

.navigation-link::after {
  position: absolute;
  right: 10px;
  bottom: -1px;
  left: 10px;
  height: 2px;
  border-radius: 2px 2px 0 0;
  background: var(--accent);
  content: "";
  opacity: 0;
  transform: scaleX(0.5);
  transition: opacity 140ms ease, transform 140ms ease;
}

.navigation-link:hover,
.navigation-link[aria-current="true"] {
  color: var(--text);
}

.navigation-link[aria-current="true"]::after {
  opacity: 1;
  transform: scaleX(1);
}

.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
}

.icon-button,
.language-button {
  display: inline-grid;
  height: 36px;
  place-items: center;
  border: 1px solid transparent;
  border-radius: 9px;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: background-color 140ms ease, border-color 140ms ease, color 140ms ease;
}

.icon-button {
  width: 36px;
  padding: 0;
}

.language-button {
  min-width: 42px;
  padding: 0 9px;
  border-color: var(--border);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.03em;
}

.icon-button:hover,
.language-button:hover {
  border-color: var(--border);
  background: var(--surface-muted);
  color: var(--text);
}

.mobile-menu-button {
  display: none;
}

.theme-icon-sun {
  display: none;
}

[data-theme="dark"] .theme-icon-moon {
  display: none;
}

[data-theme="dark"] .theme-icon-sun {
  display: block;
}

.page-shell {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 296px minmax(0, 1fr);
  align-items: stretch;
  width: min(1160px, calc(100% - 40px));
  height: calc(100vh - var(--header-height) - 40px);
  height: calc(100dvh - var(--header-height) - 40px);
  min-height: 0;
  margin: calc(var(--header-height) + 20px) auto 20px;
  overflow: hidden;
  transition: opacity 180ms ease, transform 180ms ease, visibility 180ms ease;
  gap: 28px;
}

.page-shell[hidden] {
  display: none !important;
}

.profile-panel {
  position: relative;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  padding-right: 5px;
  overscroll-behavior: contain;
  scrollbar-color: var(--border-strong) transparent;
  scrollbar-width: thin;
}

.profile-panel::-webkit-scrollbar,
.content-panel::-webkit-scrollbar {
  width: 7px;
}

.profile-panel::-webkit-scrollbar-track,
.content-panel::-webkit-scrollbar-track {
  background: transparent;
}

.profile-panel::-webkit-scrollbar-thumb,
.content-panel::-webkit-scrollbar-thumb {
  border: 2px solid transparent;
  border-radius: 999px;
  background: var(--border-strong);
  background-clip: padding-box;
}

.profile-card,
.content-section,
.intro-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.profile-card {
  overflow: hidden;
  padding: 20px;
}

[data-view="metaverse"] .page-shell {
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transform: scale(0.985);
}

.profile-photo-frame {
  overflow: hidden;
  width: 116px;
  height: 144px;
  margin: 0 auto 18px;
  border: 1px solid var(--border);
  border-radius: 13px;
  background: var(--surface-muted);
}

.profile-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.profile-heading {
  text-align: center;
}

.profile-name {
  margin: 0;
  font-size: 23px;
  line-height: 1.25;
  letter-spacing: -0.04em;
}

.profile-romanized-name {
  display: block;
  margin-top: 5px;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0;
}

.profile-headline {
  margin: 9px 0 0;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.55;
}

.badge-list,
.skill-chip-list,
.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.badge-list {
  justify-content: center;
  margin-top: 14px;
}

.badge,
.skill-chip,
.project-tag {
  display: inline-flex;
  align-items: center;
  min-height: 27px;
  padding: 4px 9px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface-muted);
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 650;
  line-height: 1.35;
}

.badge:first-child {
  border-color: color-mix(in srgb, var(--accent) 30%, var(--border));
  background: color-mix(in srgb, var(--accent) 8%, var(--surface));
  color: var(--accent);
}

.profile-group {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}

.profile-group-title {
  margin: 0 0 11px;
  color: var(--text-soft);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.profile-detail-list {
  display: grid;
  margin: 0;
  gap: 10px;
}

.profile-detail {
  display: grid;
  grid-template-columns: 70px minmax(0, 1fr);
  align-items: start;
  gap: 8px;
  font-size: 12px;
}

.profile-detail dt {
  color: var(--text-soft);
}

.profile-detail dd {
  min-width: 0;
  margin: 0;
  color: var(--text);
  font-weight: 550;
  overflow-wrap: anywhere;
}

.profile-detail a:hover {
  color: var(--accent);
}

.affiliation-box {
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-small);
  background: var(--surface-muted);
}

.affiliation-box strong,
.affiliation-box span {
  display: block;
}

.affiliation-box strong {
  font-size: 12px;
}

.affiliation-box span {
  margin-top: 3px;
  color: var(--text-muted);
  font-size: 11px;
}

.social-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-small);
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 700;
  transition: border-color 140ms ease, color 140ms ease, background-color 140ms ease;
}

.social-link:hover {
  border-color: var(--border-strong);
  background: var(--surface-muted);
  color: var(--accent);
}

.content-panel {
  display: grid;
  grid-auto-rows: max-content;
  align-content: start;
  min-width: 0;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  padding-right: 6px;
  overscroll-behavior: contain;
  scroll-padding-top: 4px;
  scrollbar-color: var(--border-strong) transparent;
  scrollbar-width: thin;
  gap: 18px;
}

.intro-card {
  position: relative;
  overflow: hidden;
  padding: 34px 36px;
}

.intro-card::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--accent);
  content: "";
}

.eyebrow {
  display: block;
  margin-bottom: 10px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.intro-title {
  max-width: 700px;
  margin: 0;
  font-size: clamp(27px, 4vw, 42px);
  line-height: 1.27;
  letter-spacing: -0.055em;
}

.intro-copy {
  max-width: 760px;
  margin: 18px 0 0;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.85;
  word-break: keep-all;
}

.intro-meta {
  display: flex;
  flex-wrap: wrap;
  margin-top: 22px;
  gap: 8px 18px;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 600;
}

.intro-meta span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.intro-meta span::before {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  content: "";
}

.content-section {
  padding: 28px 30px;
  scroll-margin-top: calc(var(--header-height) + 24px);
}

@media (min-width: 769px) {
  .intro-card,
  .content-section {
    scroll-margin-top: 4px;
  }
}

.section-heading-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 22px;
  gap: 16px;
}

.section-title {
  margin: 0;
  font-size: 19px;
  line-height: 1.4;
  letter-spacing: -0.035em;
}

.section-count {
  color: var(--text-soft);
  font-size: 11px;
  font-weight: 650;
}

.timeline-list {
  display: grid;
}

.timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 128px minmax(0, 1fr);
  padding: 0 0 24px 18px;
  gap: 16px;
}

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

.timeline-item::before {
  position: absolute;
  top: 7px;
  bottom: -7px;
  left: 0;
  width: 1px;
  background: var(--border);
  content: "";
}

.timeline-item:last-child::before {
  bottom: calc(100% - 8px);
}

.timeline-item::after {
  position: absolute;
  top: 5px;
  left: -4px;
  width: 9px;
  height: 9px;
  border: 2px solid var(--surface);
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
  content: "";
}

.timeline-date {
  color: var(--text-soft);
  font-size: 11px;
  font-weight: 700;
  line-height: 1.5;
}

.timeline-content h3 {
  margin: 0;
  font-size: 15px;
  line-height: 1.5;
}

.timeline-subtitle {
  margin: 4px 0 0;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 550;
}

.timeline-description {
  margin: 9px 0 0;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.75;
  white-space: pre-line;
}

.timeline-meta {
  display: flex;
  flex-wrap: wrap;
  margin-top: 9px;
  gap: 7px 14px;
  color: var(--text-soft);
  font-size: 11px;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 15px;
}

.project-card {
  display: flex;
  overflow: hidden;
  min-width: 0;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  transition: border-color 150ms ease, transform 150ms ease, box-shadow 150ms ease;
}

.project-card:hover {
  border-color: var(--border-strong);
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.06);
  transform: translateY(-2px);
}

.project-media-button {
  position: relative;
  overflow: hidden;
  width: 100%;
  height: 178px;
  padding: 0;
  border: 0;
  border-bottom: 1px solid var(--border);
  background: #ffffff;
  cursor: zoom-in;
}

.project-media-button::after {
  position: absolute;
  right: 10px;
  bottom: 10px;
  padding: 4px 8px;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 7px;
  background: rgba(24, 24, 27, 0.76);
  color: #ffffff;
  content: attr(data-expand-label);
  font-size: 10px;
  font-weight: 700;
  opacity: 0;
  transition: opacity 140ms ease;
}

.project-media-button:hover::after,
.project-media-button:focus-visible::after {
  opacity: 1;
}

.project-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 220ms ease;
}

.project-image.is-contain {
  object-fit: contain;
}

.project-media-button:hover .project-image {
  transform: scale(1.015);
}

.project-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 17px;
}

.project-kicker {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  gap: 12px;
  color: var(--text-soft);
  font-size: 10px;
  font-weight: 750;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.project-kicker span:first-child {
  color: var(--accent);
}

.project-title {
  margin: 0;
  font-size: 15px;
  line-height: 1.48;
  letter-spacing: -0.02em;
}

.project-role {
  margin: 5px 0 0;
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 650;
}

.project-summary {
  margin: 11px 0 0;
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1.72;
}

.project-highlights {
  margin: 12px 0 0;
  padding-left: 17px;
  color: var(--text-muted);
  font-size: 11px;
  line-height: 1.65;
}

.project-highlights li + li {
  margin-top: 4px;
}

.project-tags {
  margin-top: auto;
  padding-top: 14px;
}

.project-tag {
  min-height: 24px;
  padding: 3px 8px;
  font-size: 10px;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.skill-group {
  padding: 17px;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: var(--surface-muted);
}

.skill-group h3 {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: -0.01em;
}

.skill-chip {
  background: var(--surface);
}

.loading-state,
.error-state {
  display: flex;
  min-height: 180px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text-muted);
  font-size: 13px;
}

.loading-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 1.15s ease-in-out infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 0.35;
    transform: scale(0.85);
  }
  50% {
    opacity: 1;
    transform: scale(1);
  }
}

.media-dialog {
  width: min(1040px, calc(100vw - 32px));
  max-height: calc(100vh - 32px);
  padding: 0;
  border: 1px solid var(--border-strong);
  border-radius: 16px;
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
}

.media-dialog::backdrop {
  background: rgba(0, 0, 0, 0.68);
  backdrop-filter: blur(3px);
}

.media-dialog img {
  width: 100%;
  max-height: calc(100vh - 96px);
  object-fit: contain;
  background: #ffffff;
}

.media-dialog p {
  margin: 0;
  padding: 11px 50px 13px 16px;
  color: var(--text-muted);
  font-size: 12px;
}

.dialog-close {
  position: absolute;
  z-index: 1;
  top: 10px;
  right: 10px;
  display: grid;
  width: 36px;
  height: 36px;
  padding: 0;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 9px;
  background: rgba(24, 24, 27, 0.76);
  color: #ffffff;
  cursor: pointer;
}

.world-detail-dialog {
  width: min(980px, calc(100vw - 32px));
  max-width: none;
  max-height: min(820px, calc(100dvh - 32px));
  padding: 0;
  border: 1px solid color-mix(in srgb, var(--accent) 38%, var(--border-strong));
  border-radius: 18px;
  background: var(--background);
  color: var(--text);
  box-shadow: 0 30px 100px rgba(0, 0, 0, 0.46);
}

.world-detail-dialog::backdrop {
  background: rgba(2, 6, 14, 0.76);
  backdrop-filter: blur(8px);
}

.world-detail-shell {
  display: grid;
  max-height: min(820px, calc(100dvh - 32px));
  grid-template-rows: auto minmax(0, 1fr);
}

.world-detail-header {
  position: sticky;
  z-index: 2;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  border-bottom: 1px solid var(--border);
  padding: 14px 18px 14px 22px;
  background: color-mix(in srgb, var(--surface) 94%, transparent);
  backdrop-filter: blur(14px);
  gap: 20px;
}

.world-detail-header span {
  display: block;
  margin-bottom: 2px;
  color: var(--accent);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.world-detail-header h2 {
  margin: 0;
  font-size: 21px;
  line-height: 1.4;
  letter-spacing: -0.04em;
}

.world-detail-close {
  display: grid;
  flex: 0 0 38px;
  width: 38px;
  height: 38px;
  padding: 0;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface-muted);
  color: var(--text);
  cursor: pointer;
}

.world-detail-content {
  min-height: 0;
  overflow: auto;
  padding: 22px;
  overscroll-behavior: contain;
}

.world-detail-section {
  box-shadow: none;
}

.world-detail-content .project-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.world-detail-content .project-media-button {
  cursor: default;
}

.world-detail-content .project-media-button::after {
  display: none;
}

.noscript-message {
  position: fixed;
  right: 16px;
  bottom: 16px;
  left: 16px;
  margin: 0;
  padding: 12px 16px;
  border-radius: 9px;
  background: var(--text);
  color: var(--surface);
  text-align: center;
}

@media (max-width: 1040px) {
  .header-shell {
    grid-template-columns: auto 1fr auto;
  }

  .main-navigation {
    display: none;
  }

  .page-shell {
    grid-template-columns: 260px minmax(0, 1fr);
  }

  .project-grid {
    grid-template-columns: 1fr;
  }

  .project-media-button {
    height: 230px;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 58px;
  }

  body {
    height: auto;
    overflow: auto;
  }

  html[data-view="metaverse"] body {
    height: 100%;
    overflow: hidden;
  }

  .site-header {
    height: var(--header-height);
  }

  .header-shell {
    grid-template-columns: 38px minmax(0, 1fr) auto;
    width: calc(100% - 24px);
    gap: 8px;
  }

  .mobile-menu-button {
    display: inline-grid;
    justify-self: start;
  }

  [data-view="metaverse"] .header-shell {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  [data-view="metaverse"] .mobile-menu-button {
    display: none;
  }

  .brand {
    justify-self: start;
    max-width: 100%;
  }

  .brand-mark {
    display: none;
  }

  .brand #header-name {
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .header-actions {
    gap: 2px;
  }

  .icon-button,
  .language-button {
    height: 34px;
  }

  .icon-button {
    width: 34px;
  }

  .language-button {
    min-width: 36px;
    padding: 0 7px;
  }

  .main-navigation {
    position: fixed;
    z-index: 99;
    top: var(--header-height);
    right: 0;
    bottom: 0;
    left: 0;
    display: block;
    visibility: hidden;
    background: color-mix(in srgb, var(--surface) 97%, transparent);
    opacity: 0;
    backdrop-filter: blur(16px);
    transform: translateY(-8px);
    transition: opacity 150ms ease, transform 150ms ease, visibility 150ms ease;
  }

  body.nav-open .main-navigation {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
  }

  .navigation-links {
    display: grid;
    align-content: start;
    width: min(100% - 40px, 420px);
    height: auto;
    margin: 24px auto;
    gap: 5px;
  }

  .navigation-link {
    min-height: 48px;
    padding: 0 14px;
    border-radius: 9px;
    font-size: 14px;
  }

  .navigation-link::after {
    top: 12px;
    right: auto;
    bottom: 12px;
    left: 0;
    width: 3px;
    height: auto;
  }

  .navigation-link[aria-current="true"] {
    background: var(--surface-muted);
  }

  .page-shell {
    display: block;
    width: min(100% - 24px, 720px);
    height: auto;
    margin-top: calc(var(--header-height) + 16px);
    margin-bottom: 36px;
    overflow: visible;
  }

  .profile-panel {
    position: static;
    overflow: visible;
    padding-right: 0;
    margin-bottom: 14px;
  }

  .profile-card {
    padding: 18px;
  }

  .profile-card-top {
    display: grid;
    grid-template-columns: 92px minmax(0, 1fr);
    align-items: center;
    gap: 16px;
  }

  .profile-photo-frame {
    width: 92px;
    height: 114px;
    margin: 0;
  }

  .profile-heading {
    text-align: left;
  }

  .badge-list {
    justify-content: flex-start;
  }

  .profile-groups-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 20px;
  }

  .intro-card {
    padding: 26px 24px;
  }

  .intro-title {
    font-size: clamp(25px, 8vw, 34px);
  }

  .content-panel {
    overflow: visible;
    padding-right: 0;
    gap: 14px;
  }

  .world-statusbar {
    top: 10px;
    right: 12px;
    left: 12px;
    font-size: 7px;
  }

  .world-statusbar span:last-child {
    display: none;
  }

  .world-start {
    width: min(420px, calc(100% - 24px));
    padding: 24px 20px;
  }

  .world-start p {
    font-size: 13px;
  }

  .world-help {
    display: none;
  }

  .world-interaction {
    bottom: 112px;
    max-width: calc(100% - 32px);
    white-space: nowrap;
  }

  .world-touch-controls {
    position: absolute;
    right: 18px;
    bottom: 16px;
    left: 18px;
    display: flex;
    align-items: end;
    justify-content: space-between;
  }

  .world-touch-pad {
    display: grid;
    grid-template-columns: repeat(3, 44px);
    grid-template-rows: repeat(2, 44px);
    gap: 5px;
    pointer-events: auto;
  }

  .world-touch-pad button,
  .world-touch-jump,
  .world-touch-interact {
    display: grid;
    padding: 0;
    place-items: center;
    border: 1px solid rgba(148, 163, 184, 0.48);
    background: rgba(7, 11, 18, 0.78);
    color: #ffffff;
    font-weight: 800;
    box-shadow: 0 10px 26px rgba(0, 0, 0, 0.25);
    backdrop-filter: blur(10px);
    touch-action: none;
  }

  .world-touch-pad button {
    border-radius: 10px;
  }

  .world-touch-pad button[data-move="forward"] {
    grid-column: 2;
  }

  .world-touch-pad button[data-move="left"] {
    grid-row: 2;
    grid-column: 1;
  }

  .world-touch-pad button[data-move="backward"] {
    grid-row: 2;
    grid-column: 2;
  }

  .world-touch-pad button[data-move="right"] {
    grid-row: 2;
    grid-column: 3;
  }

  .world-touch-pad button[data-sprinting="true"] {
    border-color: #93c5fd;
    background: rgba(37, 99, 235, 0.92);
    color: #ffffff;
  }

  .world-touch-interact {
    min-width: 72px;
    min-height: 48px;
    border-color: #60a5fa;
    border-radius: 999px;
    background: rgba(37, 99, 235, 0.82);
    pointer-events: auto;
  }

  .world-touch-jump {
    min-width: 72px;
    min-height: 48px;
    border-color: #60a5fa;
    border-radius: 999px;
    background: rgba(37, 99, 235, 0.9);
    color: #ffffff;
    pointer-events: auto;
  }

  .world-touch-interact:disabled {
    border-color: rgba(148, 163, 184, 0.28);
    background: rgba(7, 11, 18, 0.52);
    color: #64748b;
  }

  .world-detail-dialog {
    width: calc(100vw - 20px);
    max-height: calc(100dvh - 20px);
    border-radius: 14px;
  }

  .world-detail-shell {
    max-height: calc(100dvh - 20px);
  }

  .world-detail-header {
    min-height: 66px;
    padding: 11px 12px 11px 16px;
  }

  .world-detail-header h2 {
    font-size: 18px;
  }

  .world-detail-content {
    padding: 12px;
  }

  .world-detail-content .project-grid {
    grid-template-columns: 1fr;
  }

  .content-section {
    padding: 24px 20px;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    padding-left: 17px;
    gap: 4px;
  }

  .project-media-button {
    height: min(58vw, 290px);
  }

  .skills-grid {
    grid-template-columns: 1fr;
  }
}

@media (pointer: coarse) {
  [data-view="metaverse"] .world-touch-controls {
    position: absolute;
    right: 18px;
    bottom: 16px;
    left: 18px;
    display: flex;
    align-items: end;
    justify-content: space-between;
  }

  [data-view="metaverse"] .world-help {
    display: none;
  }

  [data-view="metaverse"] .world-interaction {
    bottom: 112px;
  }
}

@media (max-width: 520px) {
  .brand {
    font-size: 12px;
  }

  .profile-card-top {
    grid-template-columns: 78px minmax(0, 1fr);
    gap: 13px;
  }

  .profile-photo-frame {
    width: 78px;
    height: 98px;
  }

  .profile-name {
    font-size: 20px;
  }

  .profile-groups-grid {
    grid-template-columns: 1fr;
  }

  .social-links {
    grid-template-columns: 1fr;
  }

  .intro-card,
  .content-section {
    border-radius: 12px;
  }

  .intro-copy {
    font-size: 14px;
  }

  .project-body {
    padding: 15px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  @page {
    size: A4;
    margin: 12mm;
  }

  :root,
  [data-theme="dark"],
  [data-view="metaverse"],
  [data-view="metaverse"][data-theme="dark"] {
    --accent: #2563eb;
    --background: #ffffff;
    --surface: #ffffff;
    --surface-muted: #f4f4f5;
    --surface-hover: #eeeeef;
    --text: #18181b;
    --text-muted: #52525b;
    --text-soft: #71717a;
    --border: #dedee2;
    --border-strong: #c9c9cf;
    color-scheme: light;
  }

  html {
    scroll-padding-top: 0;
  }

  body {
    height: auto;
    overflow: visible;
    background: #ffffff !important;
    color: #18181b !important;
    font-size: 9pt;
    print-color-adjust: exact;
    -webkit-print-color-adjust: exact;
  }

  .site-header,
  .metaverse-stage,
  .world-detail-dialog,
  .skip-link,
  .media-dialog,
  .noscript-message,
  .project-media-button::after {
    display: none !important;
  }

  .page-shell {
    display: block;
    width: 100%;
    height: auto;
    margin: 0;
    overflow: visible;
  }

  [data-view="metaverse"] .page-shell {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
    transform: none;
  }

  .profile-panel {
    position: static;
    overflow: visible;
    padding-right: 0;
    margin-bottom: 5mm;
  }

  .profile-card {
    display: grid;
    grid-template-columns: 36mm minmax(0, 1fr);
    padding: 5mm;
    gap: 0 6mm;
  }

  .profile-card-top {
    grid-row: 1 / span 3;
  }

  .profile-photo-frame {
    width: 28mm;
    height: 35mm;
    margin-bottom: 3mm;
  }

  .profile-heading {
    text-align: left;
  }

  .profile-name {
    font-size: 16pt;
  }

  .badge-list {
    justify-content: flex-start;
  }

  .profile-groups-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 5mm;
  }

  .profile-group {
    margin-top: 0;
    padding-top: 0;
    border-top: 0;
  }

  .profile-detail {
    grid-template-columns: 19mm minmax(0, 1fr);
    font-size: 7.7pt;
  }

  .intro-card,
  .content-section,
  .profile-card {
    border: 1px solid #dedee2;
    box-shadow: none;
  }

  .content-panel {
    display: block;
    overflow: visible;
    padding-right: 0;
  }

  .intro-card,
  .content-section {
    margin-bottom: 4mm;
    padding: 5mm;
  }

  .intro-title {
    font-size: 20pt;
  }

  .intro-copy {
    margin-top: 3mm;
    font-size: 9pt;
    line-height: 1.6;
  }

  .section-heading-row {
    margin-bottom: 4mm;
  }

  .section-title {
    font-size: 13pt;
  }

  .timeline-item,
  .project-card,
  .skill-group {
    break-inside: avoid;
  }

  .timeline-item {
    grid-template-columns: 29mm minmax(0, 1fr);
    padding-bottom: 4mm;
  }

  .timeline-description,
  .project-summary {
    font-size: 8pt;
  }

  .project-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 3mm;
  }

  .project-card:hover {
    box-shadow: none;
    transform: none;
  }

  .project-media-button {
    height: 34mm;
  }

  .project-body {
    padding: 3.5mm;
  }

  .project-highlights {
    display: none;
  }

  .skills-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 3mm;
  }

  a {
    text-decoration: none;
  }
}