/*
 * Monochrome interface theme
 * Keeps editorial/project imagery in its original colour while reducing
 * navigation, cards, controls and CSS-drawn illustrations to black and white.
 */

:root {
  --bg: #f7f7f4;
  --text: #111111;
  --muted: #70706d;
  --line: rgba(17, 17, 17, 0.16);
  --accent: #111111;
  --card-shadow: rgba(0, 0, 0, 0.09);
  --strap-color: #ffffff;
  --mono-paper: #ffffff;
  --mono-soft: #ececea;
  --mono-mid: #b8b8b4;
  --mono-dark: #242424;
}

.strap {
  background: #ffffff;
  box-shadow:
    inset 1px 0 rgba(17, 17, 17, 0.12),
    inset -1px 0 rgba(17, 17, 17, 0.12);
}

html,
body,
.works-showcase,
.knowledge-page,
.article-page {
  background-color: var(--bg);
  color: var(--text);
}

/* Images are deliberately excluded from the monochrome treatment. */
img,
picture,
video,
.work-card-image,
.project-slide-image,
.project-viewer-page,
.life-card img,
.about-ai-icon img {
  filter: none !important;
  mix-blend-mode: normal;
}

::selection {
  color: #ffffff;
  background: #111111;
}

:focus-visible {
  outline-color: #111111 !important;
}

/* Navigation and shared controls */
.site-header,
.knowledge-header,
.article-header {
  background: rgba(247, 247, 244, 0.86);
  border-color: var(--line);
  box-shadow: none;
  backdrop-filter: blur(18px) saturate(0%);
  -webkit-backdrop-filter: blur(18px) saturate(0%);
}

.site-nav a,
.knowledge-nav a,
.article-nav a {
  color: rgba(17, 17, 17, 0.58);
}

.site-nav a:hover,
.site-nav a.is-active,
.knowledge-nav a:hover,
.knowledge-nav a.is-active,
.article-nav a:hover,
.article-nav a.is-active {
  color: #111111;
}

.language-menu,
.language-trigger,
.language-option,
.menu-toggle,
.floating-dock,
.floating-dock-main,
.floating-dock-contact,
.floating-dock-ai-inner,
.floating-dock-ai-panel,
.floating-dock-contact-panel {
  border-color: var(--line);
  box-shadow: none;
}

.language-menu,
.language-option,
.floating-dock-contact-panel,
.floating-dock-ai-panel {
  background-color: rgba(255, 255, 255, 0.96);
}

.language-option:hover,
.language-option.is-active {
  color: #ffffff;
  background: #111111;
}

.hero-contact-button,
.floating-dock-contact,
.project-present-button,
.ai-chat-submit,
.article-back-link {
  color: #ffffff;
  background: #111111;
  border-color: #111111;
}

.hero-contact-button:hover,
.floating-dock-contact:hover,
.project-present-button:hover,
.ai-chat-submit:hover,
.article-back-link:hover {
  color: #111111;
  background: #ffffff;
  border-color: #111111;
}

/* Work cards: neutralise UI overlays without touching cover images. */
.work-card-media {
  --work-card-tint-rgb: 18 18 18 !important;
  --work-card-accent-rgb: 18 18 18 !important;
}

.work-card,
.work-card:hover,
.section-action,
.section-action:hover {
  border-color: var(--line);
}

.work-card-index,
.work-card-cta,
.section-kicker,
.section-action,
.about-card-label,
.knowledge-eyebrow,
.article-meta {
  color: var(--muted);
}

/* About bento: paper, ink and greys only. */
.about-bento-card,
.about-bento-card:hover,
.about-ai-dock,
.about-app-dock,
.interest-stage,
.github-heatmap-panel {
  background-color: var(--mono-paper);
  border-color: var(--line);
  box-shadow: none;
}

.about-bento-card-time,
.about-bento-card-time:hover {
  background: #dededb;
  border-color: #aeadab;
}

.about-time-display {
  color: #ffffff;
  background: #292929;
  border-color: #111111;
}

.about-time-toggle {
  background: #bdbdba;
}

.about-time-toggle span {
  background: #ffffff;
}

.about-time-toggle span i {
  background: #666663;
}

.guestbook-note {
  background: #e4e4e0;
  border-color: #b8b8b4;
}

.about-bento-card-agent,
.about-bento-card-agent:hover {
  background: #d8d8d4;
  border-color: #9e9e9a;
}

.about-bento-card-agent::after {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.22), rgba(17, 17, 17, 0.08));
}

.about-education-degree-master {
  background: #222222;
  border-color: #111111;
}

.about-education-degree-bachelor {
  background: #d7d7d4;
  border-color: #aaa9a5;
}

.about-bento-learning-drop span {
  --shape-color: #c8c8c4 !important;
}

.about-bento-learning-drop span.is-dark {
  --shape-color: #222222 !important;
}

.about-bento-learning-drop span:nth-child(3n) {
  --shape-color: #ededeb !important;
}

.about-bento-learning-drop span:nth-child(4n) {
  --shape-color: #777774 !important;
}

/* CSS-drawn interests and activity graphics. */
.interest-book-front,
.interest-book-back,
.interest-book-spine,
.interest-world-globe,
.interest-album-cover,
.interest-vinyl-label,
.interest-vinyl-disc {
  filter: grayscale(1);
}

.interest-world-globe {
  background-color: #dadad6;
  border-color: #8f8f8b;
  fill: #4e4e4b;
}

.interest-book-front,
.interest-book-back {
  background: #d4d4d0;
}

.interest-book-front::before,
.interest-album-cover::before {
  background: #222222;
}

.interest-book-front::after,
.interest-album-cover::after {
  background: rgba(17, 17, 17, 0.28);
}

.interest-album-cover {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.3), rgba(255, 255, 255, 0) 42%),
    #bdbdb9;
}

.interest-vinyl-disc {
  background:
    linear-gradient(38deg, transparent 0 48%, rgba(255, 255, 255, 0.18) 49% 51%, transparent 52% 100%),
    radial-gradient(circle at 65% 34%, rgba(255, 255, 255, 0.28) 0 3px, transparent 4px),
    radial-gradient(circle, #ddddda 0 10px, #777774 11px 14px, transparent 15px),
    repeating-radial-gradient(circle, #303030 0 2px, #111111 3px 5px);
}

.interest-vinyl-label {
  background: #ddddda;
}

/* One yellow focal detail in each Wide Interests animation. */
.interest-world-globe,
.interest-book-front,
.interest-book-back,
.interest-album-cover,
.interest-vinyl-disc,
.interest-vinyl-label {
  filter: none !important;
}

.interest-world-globe {
  background-color: #dadad6;
  fill: #fff083;
}

.interest-book-front::before {
  background: #fff083;
}

.interest-book-front::after {
  background: rgba(255, 240, 131, 0.62);
}

.interest-album-cover::before,
.interest-vinyl-label {
  background: #fff083;
}

.interest-album-cover::after {
  background: rgba(255, 240, 131, 0.62);
}

.interest-vinyl-disc {
  background:
    linear-gradient(38deg, transparent 0 48%, rgba(255, 255, 255, 0.18) 49% 51%, transparent 52% 100%),
    radial-gradient(circle at 65% 34%, rgba(255, 255, 255, 0.28) 0 3px, transparent 4px),
    radial-gradient(circle, #fff083 0 10px, #777774 11px 14px, transparent 15px),
    repeating-radial-gradient(circle, #303030 0 2px, #111111 3px 5px);
}

.github-heatmap-grid span {
  background: #e2e2df !important;
}

.github-heatmap-grid span[data-level="1"],
.github-heatmap-grid span.level-1 {
  background: #c8c8c4 !important;
}

.github-heatmap-grid span[data-level="2"],
.github-heatmap-grid span.level-2 {
  background: #949491 !important;
}

.github-heatmap-grid span[data-level="3"],
.github-heatmap-grid span.level-3 {
  background: #5d5d5b !important;
}

.github-heatmap-grid span[data-level="4"],
.github-heatmap-grid span.level-4 {
  background: #1c1c1c !important;
}

/* AI dock and chat */
.floating-dock-ai {
  --ai-gradient-border: conic-gradient(
    from var(--border-angle),
    #111111,
    #8f8f8c,
    #ffffff,
    #4a4a48,
    #111111
  );
  filter: none;
}

.floating-dock-ai:hover {
  filter: none;
}

.ai-chat-shell,
.ai-chat-body,
.ai-chat-composer,
.ai-chat-input,
.ai-chat-suggestion,
.ai-chat-contact-item {
  background-color: #ffffff;
  border-color: var(--line);
}

.ai-chat-shell.is-dragover,
.ai-chat-composer.is-dragover {
  border-color: #111111;
  box-shadow: 0 0 0 3px rgba(17, 17, 17, 0.12);
}

.ai-chat-contact-item:hover,
.ai-chat-suggestion:hover {
  border-color: #111111;
  background: #eeeeeb;
}

.ai-chat-status-dot,
.ai-chat-thinking-dot {
  background: #111111;
}

/* Life cards retain their photos; only labels and chrome are neutralised. */
.life-card {
  --life-card-accent: #111111 !important;
}

.life-card-badge,
.life-card-label,
.life-card-count,
.life-card-date {
  color: #111111;
  background-color: rgba(255, 255, 255, 0.9);
  border-color: rgba(17, 17, 17, 0.2);
}

/* Knowledge and article surfaces */
.knowledge-viewer,
.project-viewer,
.article-content,
.knowledge-card,
.knowledge-filter,
.knowledge-search,
.knowledge-empty-state {
  background-color: #f1f1ef;
  border-color: var(--line);
}

.knowledge-card:hover,
.knowledge-filter:hover,
.knowledge-filter.is-active {
  color: #ffffff;
  background: #111111;
  border-color: #111111;
}

.knowledge-card a,
.knowledge-article a,
.article-content a,
.knowledge-card-title,
.knowledge-viewer-title {
  color: #111111;
}

.knowledge-tag,
.knowledge-status,
.article-tag,
.article-category {
  color: #111111 !important;
  background: #dededb !important;
  border-color: #b7b7b3 !important;
}

.project-viewer-progress,
.project-progress-bar,
.project-slide-progress,
.project-slide-progress-bar,
.project-slide-count {
  background: #111111 !important;
}

.project-slide-count {
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.project-viewer.is-presenting .project-viewer-present {
  background: #111111;
}

.project-viewer,
.project-viewer-toolbar,
.project-viewer-stage {
  border-color: var(--line);
}

/* Keep the existing dark footer, but strip residual colour from its UI. */
.site-footer,
.footer-cta,
.footer-bottom {
  border-color: rgba(255, 255, 255, 0.18);
}

.footer-link:hover,
.footer-nav a:hover {
  color: #ffffff;
}

@media (prefers-reduced-motion: reduce) {
  .floating-dock-ai {
    animation: none;
  }
}

/*
 * White high-readability pass for the About bento.
 * UI icons are monochrome; editorial and project imagery remains untouched.
 */
:root {
  --bg: #ffffff;
  --mono-paper: #ffffff;
  --mono-soft: #f6f6f4;
  --mono-mid: #b8b8b4;
  --muted: #555555;
  --line: rgba(17, 17, 17, 0.18);
}

html,
body,
.works-showcase,
.knowledge-page,
.article-page,
.about-section,
.about-bento,
.about-bento-inner {
  background-color: #ffffff;
}

.site-header,
.knowledge-header,
.article-header {
  background: rgba(255, 255, 255, 0.9);
}

.about-section,
.about-bento,
.about-bento-inner {
  background-color: #ffffff;
}

.about-bento-card,
.about-bento-card:hover,
.about-bento-card-time,
.about-bento-card-time:hover,
.about-bento-card-agent,
.about-bento-card-agent:hover {
  color: #111111;
  background: var(--mono-paper);
  border: 1px solid var(--line);
  box-shadow: none;
}

.about-bento-card h2,
.about-bento-card p,
.about-bento-card p:last-child,
.about-ai-tool-name,
.github-heatmap-meta span,
.github-heatmap-meta strong,
.about-grounded-copy strong,
.about-grounded-copy span,
.about-grounded-copy small,
.about-education-degree,
.about-education-school,
.interest-label {
  color: #111111;
}

.about-bento-card p:last-child,
.about-grounded-copy span,
.github-heatmap-meta span {
  color: #555555;
}

.about-bento-learning-drop,
.about-ai-dock,
.about-interest-stage,
.github-heatmap,
.about-app-preview,
.about-grounded-preview,
.about-app-card,
.about-ai-tool-name,
.about-ai-tool .about-ai-icon,
.about-grounded-icon-frame {
  background-color: var(--mono-soft);
  border-color: var(--line);
}

.about-ai-dock::before {
  background: linear-gradient(90deg, var(--mono-soft), rgba(246, 246, 244, 0));
}

.about-ai-dock::after {
  background: linear-gradient(270deg, var(--mono-soft), rgba(246, 246, 244, 0));
}

.about-education-school,
.about-education-degree-bachelor {
  color: #111111;
  background: #d8d8d6;
}

.about-education-degree-master {
  color: #ffffff;
  background: #111111;
}

.about-bento-learning-drop span:not(.is-dark) {
  color: #111111;
  --shape-color: #d0d0ce !important;
}

.about-bento-learning-drop span.is-dark {
  color: #ffffff;
  --shape-color: #111111 !important;
  background: #111111;
}

.about-bento-learning-drop span:not(.is-dark):nth-child(3n) {
  --shape-color: #eeeeec !important;
}

.about-bento-learning-drop span:not(.is-dark):nth-child(4n) {
  --shape-color: #b8b8b5 !important;
}

/* Icon imagery is interface chrome here, so it follows the monochrome system. */
.about-ai-icon img,
.about-grounded-icon,
.about-app-preview-icon,
.about-app-card-icon {
  filter: grayscale(1) contrast(1.35) brightness(0.82) !important;
  mix-blend-mode: multiply;
}

/* Keep the overview monochrome, but show the original app artwork in its detail view. */
.about-app-modal .about-app-card-icon {
  filter: none !important;
  mix-blend-mode: normal;
}

.about-bento-card-hci:hover .about-app-preview-icon {
  filter: grayscale(1) contrast(1.35) brightness(0.82) !important;
}

/* The expanded product screenshot is content, not interface chrome. */
.about-app-card-phone img {
  filter: none !important;
  mix-blend-mode: normal;
}

.about-time-display {
  color: #ffffff;
  background: #1d1d1d;
  border: 1px solid #111111;
  box-shadow: inset 0 0 0 4px #555555;
}

.about-time-pixel-group i {
  background: #6a6964;
}

.about-time-pixel-group i.is-on,
.about-time-pixel-group.is-location i.is-on,
.about-time-pixel-group.is-colon i.is-on {
  background: #ffffff;
}

.about-time-toggle {
  background: #242424;
  box-shadow: inset 0 0 0 3px #555555;
}

.about-time-toggle span {
  background: #ffffff;
}

.about-time-toggle span i {
  background: #111111;
}

.github-heatmap-meta strong {
  background: transparent;
}

.github-heatmap::before,
.about-app-preview::before {
  background: rgba(17, 17, 17, 0.12);
}

.about-bento-card-hci:hover .about-app-preview {
  background:
    radial-gradient(circle at var(--app-glow-x) var(--app-glow-y), rgba(17, 17, 17, 0.12) 0 32px, rgba(17, 17, 17, 0) 76px),
    var(--mono-soft);
}

.about-bento-card-agent::after {
  background: rgba(255, 255, 255, 0.82);
  box-shadow:
    -44px 0 58px rgba(255, 255, 255, 0.78) inset,
    44px 0 58px rgba(255, 255, 255, 0.78) inset;
}

.about-agent-heading {
  color: #111111;
  mix-blend-mode: normal;
}

.about-agent-letters {
  filter: grayscale(1) blur(6px);
}

.about-grounded-copy small,
.about-app-preview-meta span {
  color: #111111;
  background: #d8d8d6;
}

/*
 * Awwwards-inspired editorial directory layer.
 * Neutral platform UI, oversized hierarchy, original-colour project imagery.
 */
:root {
  --bg: #f8f8f8;
  --text: #222222;
  --muted: #777777;
  --line: #dedede;
  --accent: #fff083;
  --content-width: 1440px;
  --page-gutter: 40px;
  --content-inline-pad: 0px;
  --radius-container: 14px;
  --radius-tab-bar: 8px;
  --radius-footer: 14px;
  --radius-card: 14px;
  --radius-project-card: 14px;
  --radius-control: 8px;
  --radius-input: 8px;
  --radius-button: 8px;
  --radius-tag: 999px;
  --radius-icon: 8px;
}

html,
body,
.works-showcase,
.knowledge-page,
.article-page,
.about-section,
.about-bento,
.about-bento-inner,
.about-bento-section {
  background: #f8f8f8;
}

body,
button,
input,
textarea,
select {
  color: #222222;
  font-family: "Inter Tight", "Helvetica Neue", "PingFang SC", Arial, sans-serif;
}

body {
  font-size: 14px;
}

.site-header {
  top: calc(18px * var(--site-scale));
  width: calc(100% - 80px);
  max-width: 1440px;
  height: 54px;
  padding: 0 10px;
  column-gap: 24px;
  background: #f8f8f8;
  border: 0;
  border-top: 1px solid #222222;
  border-bottom: 1px solid #222222;
  border-radius: 0;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.brand-logo {
  height: 18px;
  filter: grayscale(1) contrast(1.35);
}

.site-nav {
  gap: 32px;
  font-size: 14px;
  font-weight: 400;
}

.site-nav a {
  padding-bottom: 3px;
  color: #555555;
}

.site-nav a::after {
  height: 1px;
  border-radius: 0;
  background: #222222;
}

.site-nav a:hover,
.site-nav a.is-active {
  color: #222222;
}

.language-toggle {
  width: 38px;
  height: 38px;
  border: 1px solid #222222;
  border-radius: 24px;
  background: transparent;
  color: #222222;
}

.language-toggle:hover,
.language-toggle:focus-visible,
.language-menu.is-open .language-toggle {
  background: transparent;
  color: #000000;
}

/* Landing: one editorial statement, no hanging personal card. */
.hero {
  width: calc(100% - 80px);
  max-width: 1440px;
  min-height: min(900px, calc(100vh - 36px));
  margin: 0 auto;
  display: block;
  padding: 168px 0 88px;
  overflow: hidden;
}

.hero-copy {
  width: 100%;
  padding: 0;
  transform: none;
}

.hero-intro {
  position: relative;
  margin: 0;
}

.hero-intro .hero-eyebrow,
.hero-intro .hero-credit {
  margin: 0;
  opacity: 1;
  transform: none;
}

.hero-intro .hero-eyebrow {
  margin-bottom: 48px;
  font-size: 14px;
  font-weight: 400;
  line-height: 28px;
}

.hero-year-mark {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 74.6px;
  height: 147.89px;
  margin: 0;
  color: #000000;
  background: transparent;
  box-shadow: inset 0 0 0 1.36px #000000;
}

.hero-year-mark-number,
.hero-year-mark-label {
  position: absolute;
  display: block;
  margin: 0;
  color: #000000;
}

.hero-year-mark-number {
  width: 55.08px;
  height: 55.76px;
  font-family: "Gravita HUM", "Helvetica Neue", Arial, sans-serif;
  font-size: 46.37px;
  font-style: italic;
  font-weight: 100;
  line-height: 1.2;
}

.hero-year-mark-number-20 {
  top: 0;
  left: 10.1px;
}

.hero-year-mark-number-26 {
  top: 41.24px;
  left: 11.57px;
  width: 51px;
}

.hero-year-mark-line {
  position: absolute;
  top: 104.64px;
  left: 0;
  width: 74.6px;
  height: 1.36px;
}

.hero-year-mark-label {
  top: 105.32px;
  left: 9.23px;
  width: 55.76px;
  height: 35.36px;
  font-family: "Gravita HUM", "Helvetica Neue", Arial, sans-serif;
  font-size: 29.27px;
  font-style: normal;
  font-weight: 200;
  line-height: 1.2;
}

.hero-title.hero-statement {
  max-width: 1320px;
  margin: 0;
  color: #222222;
  font-family: "Gravita HUM", "Helvetica Neue", Arial, sans-serif;
  font-size: clamp(3.75rem, 7.6vw, 7rem);
  font-style: normal;
  font-weight: 600;
  line-height: 0.88;
  letter-spacing: -0.042em;
  text-wrap: balance;
  white-space: nowrap;
}

.hero-intro .hero-credit {
  max-width: 720px;
  margin-top: 48px;
  color: #555555;
  font-size: clamp(1.25rem, 2vw, 2rem);
  font-weight: 300;
  line-height: 1.22;
}

.hero-contact-button {
  min-width: 126px;
  height: 48px;
  margin-top: 32px;
  padding: 0 20px;
  border: 0;
  border-radius: 8px;
  background: #fff083;
  color: #222222;
  font-size: 13px;
  font-weight: 600;
}

.hero-contact-button:hover,
.hero-contact-button:focus-visible {
  background: #222222;
  color: #ffffff;
  transform: translateY(-1px);
}

.hero.is-active .hero-title {
  animation: hero-copy-enter 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.15s forwards;
}

.hero.is-active .hero-contact-button {
  animation: hero-copy-enter 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.38s forwards;
}

.hero-divider {
  width: calc(100% - 80px);
  max-width: 1440px;
  height: 1px;
  margin: 0 auto;
  background: #dedede;
}

.hero-divider::before {
  display: none;
}

.hero-divider span {
  padding: 0 10px;
  background: #f8f8f8;
  color: #777777;
  font-size: 12px;
}

/* Shared editorial section geometry. */
.about-bento-section,
.works-showcase {
  padding-left: 40px;
  padding-right: 40px;
}

.about-bento-section {
  padding-top: 88px;
  padding-bottom: 112px;
}

.about-bento-inner,
.works-showcase-inner,
.section-title,
.section-headline,
.section-eyebrow,
.contact-footer {
  width: 100%;
  max-width: 1440px;
  padding-inline: 0;
}

.section-title,
.section-headline {
  margin-bottom: 48px;
}

.section-title {
  gap: 12px;
}

.section-title-icon {
  width: 24px;
  height: 26px;
}

.section-title-cn,
.section-title-en {
  color: #222222;
  font-family: "Inter Tight", "Helvetica Neue", "PingFang SC", Arial, sans-serif;
  font-size: clamp(2.25rem, 3.2vw, 3.25rem);
  font-style: normal;
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.035em;
}

.section-title-en {
  color: #a7a7a7;
  font-weight: 300;
}

.section-eyebrow {
  color: #777777;
  font-size: 14px;
}

.section-more-link {
  color: #222222;
  font-size: 14px;
  font-weight: 600;
  text-underline-offset: 3px;
}

.about-bento-inner {
  --bento-project-alignment: max(0px, calc((100% - 1440px) / 2));
  width: min(calc(100% - var(--bento-project-alignment)), 904px);
  max-width: 904px;
  margin-left: var(--bento-project-alignment);
  margin-right: auto;
  gap: 4px;
}

.about-bento-layout {
  width: 100%;
  max-width: var(--content-width);
  margin: 0 auto;
  padding-inline: var(--content-inline-pad);
  display: grid;
  grid-template-columns: minmax(0, 904px) minmax(280px, 1fr);
  align-items: start;
  gap: clamp(40px, 5vw, 76px);
}

.about-bento-layout .about-bento-inner {
  width: 100%;
  max-width: 904px;
  margin: 0;
  padding-inline: 0;
}

.about-profile {
  min-width: 0;
  padding-top: 8px;
  color: #222222;
}

.about-profile-photo {
  display: block;
  width: clamp(150px, 13vw, 190px);
  aspect-ratio: 559 / 761;
  margin: 0 0 clamp(32px, 4vw, 48px);
  object-fit: cover;
  border-radius: 24px;
  filter: grayscale(0.08);
}

.about-profile-copy {
  max-width: 430px;
  font-size: clamp(14px, 1.02vw, 17px);
  font-weight: 400;
  line-height: 1.38;
  letter-spacing: -0.018em;
}

.about-profile-copy p {
  margin: 0 0 1.05em;
}

.about-profile-question {
  margin-top: 1.45em;
}

.about-profile-question span,
.about-profile-question strong {
  display: block;
}

.about-profile-question strong {
  margin-top: 0.22em;
  font-weight: 600;
}

.about-ascii-ripple {
  position: relative;
  isolation: isolate;
  cursor: crosshair;
}

.about-ascii-ripple-original {
  color: inherit;
}

.about-ascii-ripple-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  color: #505050;
  font: inherit;
  letter-spacing: inherit;
  line-height: inherit;
  white-space: normal;
  opacity: 0;
  pointer-events: none;
  transition: opacity 80ms linear;
}

.about-profile-question strong .about-ascii-ripple-overlay {
  color: #333333;
}

.about-ascii-ripple.is-ascii-active .about-ascii-ripple-original {
  color: transparent;
}

.about-ascii-ripple.is-ascii-active .about-ascii-ripple-overlay {
  opacity: 1;
}

@media (hover: none), (pointer: coarse), (prefers-reduced-motion: reduce) {
  .about-ascii-ripple {
    cursor: default;
  }

  .about-ascii-ripple-overlay {
    display: none;
  }
}

@media (max-width: 1180px) {
  .about-bento-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 56px;
  }

  .about-bento-layout .about-bento-inner {
    max-width: 904px;
  }

  .about-profile {
    display: grid;
    grid-template-columns: minmax(150px, 220px) minmax(0, 520px);
    align-items: start;
    gap: clamp(28px, 5vw, 64px);
  }

  .about-profile-photo {
    width: 100%;
    margin: 0;
  }
}

@media (max-width: 700px) {
  .about-bento-layout {
    gap: 42px;
  }

  .about-profile {
    display: block;
    padding-top: 0;
  }

  .about-profile-photo {
    width: min(56vw, 210px);
    margin-bottom: 30px;
    border-radius: 20px;
  }

  .about-profile-copy {
    max-width: 100%;
    font-size: 15px;
    line-height: 1.45;
  }
}

.about-bento-card,
.about-bento-card:hover,
.about-bento-card-time,
.about-bento-card-time:hover,
.about-bento-card-agent,
.about-bento-card-agent:hover {
  background: #ffffff;
  border: 1px solid #dedede;
  border-radius: 24px;
  box-shadow: none;
}

.about-bento-card-agent,
.about-bento-card-agent:hover {
  border-radius: 24px 140px 140px 24px;
}

.about-bento-learning-drop,
.about-ai-dock,
.about-interest-stage,
.github-heatmap,
.about-app-preview,
.about-grounded-preview,
.about-ai-tool-name,
.about-ai-tool .about-ai-icon,
.about-grounded-icon-frame {
  background-color: #f8f8f8;
  border-color: #dedede;
}

.about-bento-learning-drop,
.about-ai-dock,
.about-interest-stage,
.github-heatmap,
.about-app-preview,
.about-grounded-preview {
  border-radius: 20px;
}

.about-ai-dock::before {
  background: linear-gradient(90deg, #f8f8f8, rgba(248, 248, 248, 0));
}

.about-ai-dock::after {
  background: linear-gradient(270deg, #f8f8f8, rgba(248, 248, 248, 0));
}

/* Projects read as an editorial gallery. */
.works-showcase {
  min-height: auto;
  padding-top: 88px;
  padding-bottom: 112px;
  background: #f8f8f8;
}

.works-grid {
  gap: 20px;
}

.work-card-surface,
.work-card-media {
  border-radius: 14px;
}

.work-card-media {
  border: 1px solid #dedede;
  clip-path: inset(0 round 14px);
}

.works-segment {
  width: min(100%, 520px);
  box-sizing: border-box;
  padding: 5px;
  gap: 4px;
  border: 1px solid #dedede;
  border-radius: 999px;
  background: #ffffff;
}

.works-segment::before {
  top: 5px;
  bottom: 5px;
  left: 5px;
  width: calc((100% - 10px - 12px) / 4);
  border-radius: 999px;
  background: #222222;
}

.works-segment-button {
  min-width: 0;
  min-height: 42px;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
}

.knowledge-section {
  margin-top: 104px;
}

.knowledge-list {
  gap: 0;
  border-top: 1px solid #dedede;
}

.knowledge-item {
  min-height: 104px;
  padding: 22px 0;
  border-bottom: 1px solid #dedede;
}

.knowledge-item::after {
  display: none;
}

.knowledge-item-title {
  color: #222222;
  font-family: inherit;
  font-size: clamp(1.35rem, 2vw, 2rem);
  font-weight: 300;
}

.knowledge-item-excerpt,
.knowledge-item-meta {
  color: #777777;
}

/* A dark utility dock with one restrained action colour. */
.floating-dock {
  width: min(calc(100% - 48px), 340px);
  min-height: 60px;
  padding: 6px;
  grid-template-columns: minmax(128px, 1fr) minmax(80px, auto);
  gap: 6px;
  border: 0;
  border-radius: 12px;
  background: rgba(34, 34, 34, 0.92);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.16);
}

.floating-dock-ai {
  min-height: 48px;
  padding: 0 14px;
  border: 0;
  border-radius: 8px;
  background: #fff083;
  color: #222222;
  animation: none;
}

.floating-dock-ai::before,
.floating-dock-ai::after {
  display: none;
}

.floating-dock-ai-logo {
  filter: grayscale(1) contrast(1.5);
}

.floating-dock-ai:hover,
.floating-dock-ai:focus-visible {
  filter: none;
  transform: translateY(-1px);
}

.floating-dock-location,
.floating-dock-location-current {
  color: #dedede;
}

.floating-dock-location-current {
  font-size: 13px;
  font-weight: 400;
}

.placeholder-section {
  background: #222222;
  box-shadow: 0 0 0 100vmax #222222;
}

.contact-footer {
  padding-top: 48px;
  padding-bottom: 56px;
}

@media (max-width: 1100px) {
  :root {
    --page-gutter: 24px;
  }

  .site-header,
  .hero,
  .hero-divider {
    width: calc(100% - 48px);
  }

  .hero {
    display: block;
    min-height: 720px;
    padding: 144px 0 72px;
  }

  .hero-title.hero-statement {
    font-size: clamp(3.25rem, 8.2vw, 5.6rem);
  }

  .about-bento-section,
  .works-showcase {
    padding-left: 24px;
    padding-right: 24px;
  }
}

@media (max-width: 767px) {
  :root {
    --page-gutter: 16px;
  }

  .site-header,
  .hero,
  .hero-divider {
    width: calc(100% - 32px);
  }

  .site-header {
    top: 12px;
    height: auto;
    min-height: 54px;
    padding: 10px;
  }

  .hero {
    min-height: 650px;
    padding: 230px 0 64px;
  }

  .hero-intro .hero-eyebrow {
    margin-bottom: 32px;
  }

  .hero-title.hero-statement {
    max-width: 100%;
    font-size: clamp(2.3rem, 10.8vw, 3.8rem);
    line-height: 0.92;
    letter-spacing: -0.052em;
    text-wrap: pretty;
  }

  .hero-intro .hero-credit {
    max-width: calc(100% - 96px);
    margin-top: 32px;
    font-size: 1.15rem;
  }

  .about-bento-section,
  .works-showcase {
    padding-left: 16px;
    padding-right: 16px;
  }

  .about-bento-section,
  .works-showcase {
    padding-top: 64px;
    padding-bottom: 80px;
  }

  .works-showcase .section-headline {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 18px;
  }

  .works-showcase .section-title {
    align-self: flex-start;
    margin-bottom: 0;
  }

  .works-segment {
    width: 100%;
  }

  .works-segment-button {
    min-height: 40px;
    padding-inline: 6px;
    font-size: 13px;
  }

  .about-bento-card,
  .about-bento-card-tall,
  .about-bento-card-ai,
  .about-bento-card-hci,
  .about-bento-card-toolkit,
  .about-bento-card-grounded,
  .about-bento-card-time,
  .about-bento-card-status,
.about-bento-card-agent {
  border-radius: 24px;
}

  .about-bento-inner {
    gap: 6px;
  }

  .works-grid {
    gap: 16px;
  }

  .floating-dock {
    width: min(calc(100% - 24px), 340px);
    bottom: 12px;
  }
}
@font-face {
  font-family: "Gravita HUM";
  src: url("./assets/fonts/GravitaHUM-ThinItalic.otf") format("opentype");
  font-style: italic;
  font-weight: 100;
  font-display: swap;
}

@font-face {
  font-family: "Gravita HUM";
  src: url("./assets/fonts/GravitaHUM-ExtraLight.otf") format("opentype");
  font-style: normal;
  font-weight: 200;
  font-display: swap;
}

@font-face {
  font-family: "Chillax";
  src: url("./assets/fonts/chillax/Chillax-Extralight.woff2") format("woff2");
  font-style: normal;
  font-weight: 100 200;
  font-display: swap;
}

@font-face {
  font-family: "Chillax";
  src: url("./assets/fonts/chillax/Chillax-Light.woff2") format("woff2");
  font-style: normal;
  font-weight: 300;
  font-display: swap;
}

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

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

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

@font-face {
  font-family: "Chillax";
  src: url("./assets/fonts/chillax/Chillax-Bold.woff2") format("woff2");
  font-style: normal;
  font-weight: 700 900;
  font-display: swap;
}

body,
body * {
  font-family: "Chillax", "PingFang SC", "PingFang TC", "Microsoft YaHei", sans-serif !important;
}

pre,
code,
kbd,
samp,
pre *,
code *,
kbd *,
samp * {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace !important;
}

html,
body,
.site-scale-shell,
main,
.hero,
.about-bento-section,
.works-showcase,
.knowledge-page,
.article-page {
  background-color: #f8f8f8;
}

/* Restrained yellow accents: focus, activity and status only. */
body .about-bento-card-tall .about-bento-learning-drop > span:nth-child(1),
body .about-bento-card-tall .about-bento-learning-drop > span:nth-child(12) {
  --shape-color: #fff083 !important;
  background: #fff083 !important;
  color: #111111 !important;
}

.github-heatmap-grid > span:nth-child(7),
.github-heatmap-grid > span:nth-child(14),
.github-heatmap-grid > span:nth-child(26),
.github-heatmap-grid > span:nth-child(43),
.github-heatmap-grid > span:nth-child(61) {
  background: #fff083 !important;
  box-shadow: inset 0 0 0 1px rgba(34, 34, 34, 0.12);
}

.about-agent-heading::before {
  content: "";
  width: 12px;
  height: 12px;
  flex: 0 0 12px;
  align-self: center;
  border: 1px solid #222222;
  border-radius: 50%;
  background: #fff083;
}

.about-grounded-rating {
  background: #fff083 !important;
  color: #111111 !important;
}

/* Align the Post-it widget with the shared Bento card system. */
.about-bento-card-status {
  padding: 8px;
  background: #ffffff;
}

.about-bento-card-status .guestbook-widget {
  width: 100%;
  height: 100%;
}

.about-bento-card-status .guestbook-paper {
  inset: 0;
  padding: 14px 14px 18px;
  border-radius: 20px;
  background:
    linear-gradient(#d5d5d5, #d5d5d5) center 58px / calc(100% - 28px) 2px no-repeat,
    linear-gradient(#d5d5d5, #d5d5d5) center 92px / calc(100% - 28px) 2px no-repeat,
    linear-gradient(#d5d5d5, #d5d5d5) center 126px / calc(100% - 28px) 2px no-repeat,
    #f8f8f8;
}

.about-bento-card-status .guestbook-title {
  justify-self: start;
  color: #222222;
  font-size: 1.25rem;
  font-style: normal;
  font-weight: 300;
  line-height: 1.18;
}

.about-bento-card-status .guestbook-widget textarea {
  top: 42px;
  right: 14px;
  bottom: 14px;
  left: 14px;
  width: calc(100% - 28px);
}

.about-time-pixel-group i.is-on,
.about-time-pixel-group.is-location i.is-on,
.about-time-pixel-group.is-colon i.is-on {
  background: #fff083;
}

.about-bento-card h2,
.about-bento-card-status .guestbook-title {
  font-weight: 500;
}

.hero {
  isolation: isolate;
}

.hero-ascii-ripple {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 1;
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, #000 5%, #000 95%, transparent 100%);
  mask-image: linear-gradient(to bottom, transparent 0%, #000 5%, #000 95%, transparent 100%);
}

.hero-copy {
  position: relative;
  z-index: 2;
}

@media (max-width: 767px) {
  .hero-ascii-ripple {
    opacity: 0.86;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-ascii-ripple {
    opacity: 0.52;
  }
}

/* Obys-inspired project track: native vertical progress drives one spatial row. */
.works-showcase {
  padding-top: 0;
  overflow: clip;
}

.works-scroll-runway {
  height: var(--works-runway-height, 100vh);
  min-height: 100vh;
}

.works-sticky-stage {
  position: sticky;
  top: 0;
  height: 100vh;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 18px;
  box-sizing: border-box;
  padding: clamp(86px, 10vh, 112px) 0 clamp(30px, 5vh, 54px);
  overflow: hidden;
  perspective: 1400px;
}

body.is-chat-open .works-sticky-stage {
  transform: translateX(calc(0px - var(--layout-shift-x)));
}

.works-sticky-stage .section-headline {
  margin-bottom: 0;
}

.works-viewport {
  width: 100%;
  min-width: 0;
  overflow: hidden;
  perspective: 1400px;
}

.works-grid {
  --works-card-width: clamp(360px, 30vw, 440px);
  display: flex;
  align-items: center;
  width: max-content;
  height: 100%;
  gap: 22px;
  transform: translate3d(var(--works-track-x, 0px), 0, 0);
  transform-style: preserve-3d;
  will-change: transform;
}

.work-card {
  flex: 0 0 var(--works-card-width);
  width: var(--works-card-width);
  opacity: var(--work-track-opacity, 1);
  transform:
    translate3d(0, var(--work-track-y, 0px), 0)
    rotateY(var(--work-track-rotate, 0deg))
    scale(var(--work-track-scale, 1));
  transform-origin: center;
  transform-style: preserve-3d;
  will-change: transform, opacity;
}

.work-card[data-project-gallery="ai-thrombolysis"] { --case-number: "01"; --project-mark: "AI"; }
.work-card[data-project-gallery="adhd-ai"] { --case-number: "02"; --project-mark: "AD"; }
.work-card[data-project-gallery="search-focus"] { --case-number: "03"; --project-mark: "SF"; }
.work-card[data-project-gallery="mark-code"] { --case-number: "04"; --project-mark: "MC"; }
.work-card[data-project-gallery="relight"] { --case-number: "05"; --project-mark: "RL"; }
.work-card[data-project-gallery="iknow"] { --case-number: "06"; --project-mark: "IK"; }
.work-card[data-project-gallery="etea"] { --case-number: "07"; --project-mark: "ET"; }
.work-card[data-project-gallery="marry-christmas"] { --case-number: "08"; --project-mark: "MX"; }

.works-category-headline {
  justify-content: flex-start;
}

.works-category-title-wrap {
  min-height: clamp(2.25rem, 3.2vw, 3.25rem);
}

.works-category-title {
  color: #222222;
  font-size: clamp(2.25rem, 3.2vw, 3.25rem);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.035em;
  transition: opacity 0.11s ease, transform 0.11s ease;
  will-change: opacity, transform;
}

.works-category-title.is-leaving {
  opacity: 0;
  transform: translateY(-8px);
}

.works-category-title.is-entering {
  animation: works-category-enter 0.22s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes works-category-enter {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.work-card-surface {
  position: relative;
  height: 100%;
  overflow: hidden;
  border-radius: 18px;
  background: #222222;
}

.work-card-media,
.work-card-media.is-tinted {
  width: 100%;
  aspect-ratio: 516.06 / 618.87;
  overflow: hidden;
  border: 1px solid #303030;
  border-radius: 18px;
  background: #222222 !important;
  clip-path: inset(0 round 18px);
  transition:
    transform 0.42s cubic-bezier(0.16, 1, 0.3, 1),
    border-color 0.28s ease;
}

.work-card-media::before {
  content: var(--project-mark);
  position: absolute;
  top: 8.49%;
  left: 10.64%;
  z-index: 4;
  width: 10%;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border: 1px solid #555555;
  border-radius: 50%;
  background: #151515;
  color: #f8f8f8;
  font-size: clamp(0.62rem, 0.75vw, 0.82rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.work-card-media::after {
  content: "";
  position: absolute;
  inset: 47.55% 9.9% auto auto;
  z-index: 4;
  width: 17.3%;
  height: auto;
  aspect-ratio: 11.2 / 1;
  background:
    radial-gradient(circle at 4.5% 50%, #d9d9d9 0 4.1%, transparent 4.5%),
    radial-gradient(circle at 27.3% 50%, rgba(255, 255, 255, 0.2) 0 4.1%, transparent 4.5%),
    radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.2) 0 4.1%, transparent 4.5%),
    radial-gradient(circle at 72.7% 50%, rgba(255, 255, 255, 0.2) 0 4.1%, transparent 4.5%),
    radial-gradient(circle at 95.5% 50%, rgba(255, 255, 255, 0.2) 0 4.1%, transparent 4.5%);
  pointer-events: none;
}

.work-card-overlay {
  display: none;
}

.work-card-image {
  inset: 8.24% 9.92% auto auto;
  z-index: 1;
  width: 47.56%;
  height: 34%;
  border-radius: 4px;
  object-fit: cover;
  transform: none;
  box-shadow: none;
  transition: transform 0.52s cubic-bezier(0.16, 1, 0.3, 1);
}

.work-card-content {
  inset: 54.35% auto auto 10.64%;
  z-index: 3;
  width: 70%;
  gap: clamp(12px, 1.35vw, 20px);
  padding: 0;
  color: #f8f8f8;
  text-shadow: none;
}

.work-card-content::before,
.work-card-media.is-tinted .work-card-content::before {
  display: none;
}

.work-card-tags {
  gap: 8px;
}

.work-tag {
  min-height: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: #c8c8c8;
  font-size: clamp(0.76rem, 0.95vw, 0.98rem);
  font-weight: 400;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.work-card h3 {
  max-width: none;
  color: #f8f8f8;
  font-size: clamp(1.72rem, 2.35vw, 2.25rem);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.035em;
  text-shadow: none;
  text-wrap: balance;
}

.work-card-surface::before,
.work-card-surface::after {
  position: absolute;
  bottom: 7.63%;
  z-index: 5;
  color: #c8c8c8;
  font-size: clamp(0.72rem, 0.92vw, 0.96rem);
  font-weight: 400;
  pointer-events: none;
}

.work-card-surface::before {
  content: "CASE / " var(--case-number);
  left: 10.64%;
}

.work-card-surface::after {
  content: "view  ↗";
  right: 9.92%;
}

.work-card:hover .work-card-media {
  border-color: #555555;
  transform: translateY(-4px);
}

.work-card:hover .work-card-image {
  transform: scale(1.025);
}

@media (max-width: 1100px) {
  .work-card-media::before {
    font-size: clamp(0.68rem, 1.4vw, 0.86rem);
  }

  .work-card h3 {
    font-size: clamp(1.8rem, 4vw, 2.4rem);
  }
}

@media (max-width: 899px) {
  .works-showcase {
    padding-top: 64px;
    overflow: hidden;
  }

  .works-scroll-runway {
    height: auto;
    min-height: 0;
  }

  .works-sticky-stage {
    position: relative;
    top: auto;
    height: auto;
    display: block;
    padding: 0;
    overflow: visible;
    perspective: none;
    transform: none !important;
  }

  .works-sticky-stage .section-headline {
    margin-bottom: 24px;
  }

  .works-viewport {
    width: calc(100% + var(--page-gutter));
    overflow-x: auto;
    overflow-y: hidden;
    overscroll-behavior-inline: contain;
    scroll-snap-type: x proximity;
    scroll-padding-inline: 0 var(--page-gutter);
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }

  .works-viewport::-webkit-scrollbar {
    display: none;
  }

  .works-grid {
    --works-card-width: min(86vw, 420px);
    height: auto;
    gap: 14px;
    padding-right: var(--page-gutter);
    transform: none !important;
  }

  .work-card {
    scroll-snap-align: center;
    opacity: 1 !important;
    transform: none !important;
  }
}

@media (max-width: 767px) {
  .works-category-title-wrap {
    min-height: 2rem;
  }

  .works-category-title {
    font-size: clamp(1.9rem, 9vw, 2.65rem);
  }

  .work-card-surface,
  .work-card-media,
  .work-card-media.is-tinted {
    border-radius: 16px;
  }

  .work-card-media,
  .work-card-media.is-tinted {
    clip-path: inset(0 round 16px);
  }

  .work-card-media::before {
    font-size: clamp(0.68rem, 3vw, 0.86rem);
  }

  .work-card-content {
    gap: 14px;
  }

  .work-tag {
    font-size: clamp(0.78rem, 3.4vw, 0.98rem);
  }

  .work-card h3 {
    font-size: clamp(1.9rem, 8vw, 2.65rem);
  }

  .work-card-surface::before,
  .work-card-surface::after {
    font-size: clamp(0.72rem, 3vw, 0.9rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .works-grid,
  .work-card,
  .works-category-title {
    transition: none !important;
    animation: none !important;
  }
}