:root {
  color-scheme: light;
  --bg: #ffffff;
  --bg-soft: #f8faf9;
  --panel: #f8faf9;
  --panel-strong: #f0f5f2;
  --ink: #111827;
  --text: #334155;
  --muted: #64748b;
  --line: #e2e8f0;
  --accent: #0f766e;
  --accent-strong: #0f766e;
  --accent-dim: #e7f5ef;
  --warning: #b7791f;
  --max: 1260px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, Pretendard, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-feature-settings: "cv02", "cv03", "cv04", "cv11";
  line-height: 1.65;
}

body::selection {
  background: var(--accent);
  color: #ffffff;
}

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

a:hover {
  color: var(--accent-strong);
}

.skip-link {
  position: absolute;
  left: 18px;
  top: 14px;
  z-index: 5;
  padding: 8px 10px;
  transform: translateY(-140%);
  border-radius: 6px;
  background: var(--accent);
  color: #ffffff;
  font-weight: 800;
}

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

.page {
  display: grid;
  grid-template-columns: minmax(240px, 0.58fr) minmax(0, 1.42fr);
  gap: 52px;
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
  padding: 72px 0;
}

.project-page {
  --max: 1240px;
}

.project-page .page {
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 64px;
}

.sidebar {
  position: sticky;
  top: 72px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: calc(100vh - 144px);
}

.project-page .intro h1,
.project-page .intro h2,
.project-page .intro p,
.project-page .intro-socials {
  display: none;
}

.project-page .intro .lang-switch {
  margin-top: 0;
}

.project-page .nav {
  margin-top: 56px;
}

.project-page .nav a {
  grid-template-columns: 36px max-content;
}

.project-page .nav a::before {
  width: 24px;
}

.project-page .nav a:hover::before,
.project-page .nav a:focus::before,
.project-page .nav a.active::before {
  width: 36px;
}

.intro h1 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(44px, 5vw, 56px);
  font-weight: 760;
  line-height: 1;
  letter-spacing: 0;
}

.intro h2 {
  margin: 18px 0 0;
  color: var(--ink);
  font-size: clamp(20px, 2vw, 24px);
  font-weight: 650;
  line-height: 1.22;
  letter-spacing: 0;
}

.intro p {
  max-width: 480px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 16px;
}

.intro-lines {
  display: grid;
  gap: 4px;
}

.intro-lines span {
  display: block;
}

.hero-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  max-width: 520px;
  margin-top: 18px;
}

.hero-stack span {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--accent-dim);
  color: var(--accent-strong);
  font-size: 11px;
  font-weight: 820;
}

.lang-switch {
  display: inline-flex;
  gap: 10px;
  margin-top: 28px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 760;
}

.lang-switch a {
  border-bottom: 1px solid transparent;
}

.lang-switch a.active,
.lang-switch a:hover {
  color: var(--ink);
  border-bottom-color: var(--accent);
}

.nav {
  display: grid;
  gap: 14px;
  width: fit-content;
  margin-top: 68px;
}

.nav a {
  display: grid;
  grid-template-columns: 42px max-content;
  align-items: center;
  gap: 14px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.nav a::before {
  content: "";
  display: block;
  width: 28px;
  height: 1px;
  background: var(--muted);
  transition: width 160ms ease, background 160ms ease;
}

.nav a:hover,
.nav a:focus,
.nav a.active {
  color: var(--ink);
}

.nav a:hover::before,
.nav a:focus::before,
.nav a.active::before {
  width: 42px;
  background: var(--accent);
}

.socials {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 42px;
}

.intro-socials {
  margin-top: 22px;
}

.intro-socials + .lang-switch {
  margin-top: 18px;
}

.sidebar > div:last-child .socials:not(.intro-socials) {
  display: none;
}

.socials a,
.socials button {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 0;
  background: transparent;
  color: var(--muted);
  font: inherit;
  cursor: pointer;
}

.socials a:hover,
.socials button:hover,
.socials button:focus-visible {
  border-color: var(--line);
  background: var(--panel);
  color: var(--accent);
}

.icon {
  width: 20px;
  height: 20px;
}

.copy-toast {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 20;
  max-width: min(320px, calc(100vw - 48px));
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 16px 42px rgba(15, 23, 42, 0.12);
  color: var(--ink);
  font-size: 13px;
  font-weight: 760;
  line-height: 1.35;
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 160ms ease, transform 160ms ease;
}

.copy-toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.content {
  min-width: 0;
  padding-top: 4px;
}

.project-detail-content {
  display: flex;
  flex-direction: column;
}

.project-page .project-detail-content > .section {
  display: none;
}

.project-page.project-bout .project-detail-content > #bout,
.project-page.project-tftgogo .project-detail-content > #tftgogo,
.project-page.project-allpick .project-detail-content > #allpick {
  display: block;
}

.project-detail-content #bout {
  order: 1;
}

.project-detail-content #allpick {
  order: 3;
}

.project-detail-content #tftgogo {
  order: 2;
}

.section {
  scroll-margin-top: 72px;
  padding: 0 0 96px;
}

.section-title {
  display: none;
  margin: 0 0 28px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

#capabilities .section-title,
#cases .section-title,
#projects .section-title,
#build .section-title,
#work .section-title,
#contact .section-title {
  display: block;
  margin-bottom: 12px;
}

.section p {
  margin: 0 0 18px;
}

.section-lede {
  max-width: 640px;
  color: var(--muted);
}

.section-rule {
  width: 100%;
  height: 1px;
  margin: 14px 0 22px;
  background: var(--line);
}

.section strong,
.section .highlight {
  color: var(--ink);
  font-weight: 760;
}

.section p .highlight {
  color: inherit;
  font-weight: inherit;
}

.section a.inline {
  color: var(--ink);
  font-weight: 760;
  border-bottom: 1px solid rgba(15, 118, 110, 0.38);
}

.item-list {
  display: grid;
  gap: 12px;
}

.item {
  display: grid;
  grid-template-columns: 136px minmax(0, 1fr);
  gap: 18px;
  padding: 18px;
  margin: 0;
  border: 1px solid transparent;
  border-radius: 8px;
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.item:hover {
  transform: translateY(-2px);
  border-color: var(--line);
  background: var(--panel);
}

.item-date {
  padding-top: 3px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.item h3 {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  color: var(--ink);
  font-size: 17px;
  line-height: 1.35;
}

.item h3 .arrow {
  color: var(--accent);
  font-size: 15px;
  transform: translateY(-1px);
}

.item:hover h3 .arrow {
  transform: translate(2px, -3px);
}

.item-subtitle {
  margin-top: 4px;
  color: var(--muted);
  font-size: 14px;
}

.item-desc {
  margin: 10px 0 0;
  color: var(--text);
  font-size: 14.5px;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--accent-dim);
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 760;
}

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

.capability-card,
.technical-case,
.build-card,
.contact-panel {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.capability-card h3,
.technical-case h3,
.build-card h3 {
  margin: 0;
  color: var(--ink);
  font-size: 16px;
  line-height: 1.35;
}

.capability-card p,
.technical-case p,
.build-card p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.case-kicker {
  display: block;
  margin-bottom: 8px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.technical-case {
  background: #ffffff;
}

.contact-panel p {
  max-width: 640px;
  color: var(--muted);
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.contact-links a,
.text-copy {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  color: var(--ink);
  font: inherit;
  font-size: 13px;
  font-weight: 860;
  cursor: pointer;
}

.contact-links a:hover,
.contact-links a:focus,
.text-copy:hover,
.text-copy:focus-visible {
  border-color: var(--accent);
  color: var(--accent);
}

.feature-project {
  display: grid;
  gap: 18px;
}

.feature-project > .project-card:nth-child(1) {
  order: 3;
}

.feature-project > .project-card:nth-child(2) {
  order: 1;
}

.feature-project > .project-card:nth-child(3) {
  order: 2;
}

.feature-project > .project-card:nth-child(4) {
  order: 4;
}

.project-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 190px;
  align-items: start;
  gap: 18px;
  padding: 18px;
  margin: 0;
  border: 1px solid transparent;
  border-radius: 8px;
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.project-card:hover {
  transform: translateY(-2px);
  border-color: var(--line);
  background: var(--panel);
}

.project-card:focus-visible {
  outline: 3px solid rgba(15, 118, 110, 0.28);
  outline-offset: 3px;
  border-color: var(--accent);
  background: var(--panel);
}

.project-card h3 {
  margin: 0;
  color: var(--ink);
  font-size: 17px;
}

.project-card h3 a {
  color: inherit;
  text-decoration: none;
}

.project-card h3 a:hover,
.project-card h3 a:focus {
  color: var(--accent);
}

.project-card p {
  margin-top: 10px;
  color: var(--text);
  font-size: 14.5px;
}

.project-meta {
  margin-top: 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 760;
}

.project-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.project-actions a {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  color: var(--ink);
  font-size: 12px;
  font-weight: 900;
}

.project-actions a:hover,
.project-actions a:focus {
  border-color: var(--accent);
  color: var(--accent);
}

.project-actions a.detail-link {
  border-color: var(--ink);
  background: var(--ink);
  color: #ffffff;
}

.project-actions a.detail-link:hover,
.project-actions a.detail-link:focus {
  border-color: var(--accent);
  background: var(--accent);
  color: #ffffff;
}

.project-points {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.project-points li {
  padding: 5px 9px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  color: var(--text);
  font-size: 12.5px;
  font-weight: 760;
}

.project-thumb {
  display: grid;
  place-items: center;
  width: 100%;
  aspect-ratio: 1 / 1;
  align-self: start;
  min-height: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(15, 118, 110, 0.16), rgba(15, 118, 110, 0.02)),
    repeating-linear-gradient(45deg, rgba(15, 23, 42, 0.045) 0 1px, transparent 1px 9px);
  color: var(--accent-strong);
  font-size: 34px;
  font-weight: 900;
  letter-spacing: 0.02em;
}

.project-thumb-image {
  position: relative;
  overflow: hidden;
  padding: 0;
  background: var(--panel);
}

.project-thumb-image img {
  display: block;
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.more-link {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 8px;
  margin-top: 28px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 800;
}

.more-link span {
  color: var(--accent);
}

.writing-list {
  display: grid;
  gap: 10px;
}

.writing-item {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 18px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.writing-item time {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.writing-item a {
  color: var(--ink);
  font-weight: 760;
}

.footer {
  max-width: 560px;
  padding-bottom: 8px;
  color: var(--muted);
  font-size: 13px;
}

.footer a {
  color: var(--text);
  font-weight: 760;
}

.page-kicker {
  display: inline-flex;
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.detail-topline {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 16px;
}

.repo-links {
  display: inline-flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px 14px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 900;
}

.repo-meta {
  display: grid;
  gap: 3px;
  justify-items: end;
}

.repo-note {
  margin: 0;
  color: var(--muted);
  font-size: 11px;
  font-weight: 760;
  line-height: 1.35;
}

.repo-links a {
  border-bottom: 1px solid transparent;
}

.repo-links a:hover,
.repo-links a:focus {
  border-bottom-color: currentColor;
}

.detail-block {
  padding: 22px 0;
  border-top: 1px solid var(--line);
}

.detail-block:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.detail-block h2 {
  margin: 0;
  color: var(--ink);
  font-size: 24px;
  line-height: 1.25;
}

.detail-block h3 {
  margin: 0;
  color: var(--ink);
  font-size: 16px;
}

.detail-intro {
  margin-top: 12px;
  color: var(--muted);
}

.asset-grid,
.feature-grid {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.asset-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.feature-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.evidence-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 22px;
}

.evidence-summary-card {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.evidence-summary-card h3 {
  margin: 0 0 8px;
  color: var(--ink);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.evidence-summary-card p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}

.technical-case {
  padding: 28px 0;
  border-top: 1px solid var(--line);
}

.technical-case:first-child {
  padding-top: 0;
  border-top: 0;
}

.technical-case h3 {
  margin: 0 0 16px;
  color: var(--ink);
  font-size: 1.25rem;
}

.case-sequence {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  margin: 18px 0 22px;
}

.case-step {
  min-height: 112px;
  padding: 15px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent);
  background: #fff;
}

.case-step b {
  display: block;
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 0.86rem;
}

.case-step p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

.implementation-map {
  display: grid;
  grid-template-columns: minmax(150px, 0.8fr) minmax(0, 2fr);
  margin: 18px 0;
  border-top: 1px solid var(--line);
}

.implementation-map dt,
.implementation-map dd {
  margin: 0;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.implementation-map dt {
  padding-right: 18px;
  color: var(--ink);
  font-weight: 700;
}

.implementation-map dd {
  color: var(--muted);
  overflow-wrap: anywhere;
}

.implementation-map code {
  color: var(--accent-dark);
  font-size: 0.84em;
}

.verification-note {
  margin-top: 16px;
  padding-left: 14px;
  border-left: 3px solid var(--accent);
  color: var(--muted);
}

@media (max-width: 880px) {
  .case-sequence {
    grid-template-columns: 1fr;
  }

  .case-step {
    min-height: auto;
  }

  .implementation-map {
    grid-template-columns: 1fr;
  }

  .implementation-map dt {
    padding-bottom: 4px;
    border-bottom: 0;
  }

  .implementation-map dd {
    padding-top: 0;
  }
}

.mini-card {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.mini-card p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13.5px;
}

.mini-card a {
  display: inline-flex;
  margin-top: 12px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
}

.screen-slot {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.screen-slot img {
  display: block;
  width: 100%;
  height: 152px;
  object-fit: cover;
  border-bottom: 1px solid var(--line);
  cursor: zoom-in;
  transition: opacity 160ms ease, transform 160ms ease;
}

.screen-slot img.evidence-contain {
  object-fit: contain;
  padding: 12px;
  background: #f8fbfb;
}

.collab-gallery .screen-slot img {
  height: 220px;
  object-fit: cover;
  object-position: top;
}

.screen-slot img:hover,
.screen-slot img:focus-visible {
  opacity: 0.88;
}

.screen-slot figcaption {
  padding: 12px;
}

.screen-slot strong {
  display: block;
  color: var(--ink);
  font-size: 14px;
}

.screen-slot p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.flow-card {
  display: grid;
  align-content: start;
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.flow-card h3 {
  margin: 0;
  color: var(--ink);
  font-size: 15px;
}

.flow-card > p {
  margin: 0;
  color: var(--muted);
  font-size: 13.5px;
}

.flow-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.flow-step {
  position: relative;
  display: grid;
  align-content: start;
  min-height: 76px;
  padding: 10px;
  border-top: 3px solid var(--accent);
  border-radius: 6px;
  background: var(--panel);
}

.flow-step:nth-child(2) {
  border-top-color: #2563eb;
}

.flow-step:nth-child(3) {
  border-top-color: #b7791f;
}

.flow-step:nth-child(4) {
  border-top-color: #be123c;
}

.flow-step b {
  display: block;
  color: var(--ink);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.flow-step span {
  display: block;
  margin-top: 5px;
  color: var(--text);
  font-size: 12px;
  line-height: 1.35;
}

.logic-table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 12.5px;
}

.logic-table th,
.logic-table td {
  padding: 9px 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.logic-table tr:last-child th,
.logic-table tr:last-child td {
  border-bottom: 0;
}

.logic-table th {
  width: 82px;
  background: var(--panel);
  color: var(--accent);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.logic-table td {
  color: var(--text);
}

.lightbox-open {
  overflow: hidden;
}

.image-lightbox {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: none;
  place-items: center;
  padding: 32px;
  background: rgba(15, 23, 42, 0.72);
}

.image-lightbox.is-open {
  display: grid;
}

.image-lightbox__figure {
  width: min(1120px, 100%);
  max-height: min(88vh, 920px);
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #ffffff;
  box-shadow: 0 24px 80px rgba(15, 23, 42, 0.28);
}

.image-lightbox__figure img {
  display: block;
  width: 100%;
  max-height: calc(88vh - 94px);
  object-fit: contain;
  background: #f8fbfb;
}

.image-lightbox__figure figcaption {
  padding: 14px 18px;
  border-top: 1px solid var(--line);
  color: var(--text);
  font-size: 14px;
  line-height: 1.55;
}

.image-lightbox__close {
  position: fixed;
  top: 22px;
  right: 24px;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
}

.image-lightbox__close:hover,
.image-lightbox__close:focus-visible {
  background: rgba(255, 255, 255, 0.22);
}

.image-lightbox__nav {
  position: fixed;
  top: 50%;
  z-index: 51;
  display: grid;
  place-items: center;
  width: 48px;
  height: 64px;
  transform: translateY(-50%);
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  color: #ffffff;
  font-size: 42px;
  line-height: 1;
  cursor: pointer;
}

.image-lightbox__nav--prev {
  left: 24px;
}

.image-lightbox__nav--next {
  right: 24px;
}

.image-lightbox__nav:hover,
.image-lightbox__nav:focus-visible {
  background: rgba(255, 255, 255, 0.24);
}

.image-lightbox__counter {
  position: fixed;
  left: 50%;
  bottom: 20px;
  z-index: 51;
  transform: translateX(-50%);
  padding: 6px 12px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.48);
  color: #ffffff;
  font-size: 13px;
  font-weight: 800;
}

.note-list {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.note-row {
  display: grid;
  grid-template-columns: 128px minmax(0, 1fr);
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.note-row b {
  color: var(--accent);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.note-row p {
  margin: 0;
  color: var(--text);
  font-size: 14px;
}

.career-note {
  padding: 16px;
  border: 1px solid #f6d28b;
  border-radius: 8px;
  background: #fffbeb;
  color: #73510d;
  font-size: 14px;
}

.principle-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.principle {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.principle .number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  margin-bottom: 14px;
  border-radius: 999px;
  background: var(--accent-dim);
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 900;
}

.principle h3 {
  margin: 0;
  color: var(--ink);
  font-size: 16px;
}

.principle p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.principle-evidence {
  display: grid;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.principle-evidence li {
  padding-top: 8px;
  border-top: 1px solid var(--line);
  color: var(--text);
  font-size: 13.5px;
  line-height: 1.5;
}

.project-list-page {
  --max: 1260px;
}

.project-list-page .page {
  grid-template-columns: minmax(220px, 0.42fr) minmax(0, 1.58fr);
}

.case-list {
  display: grid;
  gap: 14px;
}

.case-card {
  padding: 18px;
  margin: 0;
  border: 1px solid transparent;
  border-radius: 8px;
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.case-card:hover {
  transform: translateY(-2px);
  border-color: var(--line);
  background: var(--panel);
}

.case-card h3 {
  margin: 0;
  color: var(--ink);
  font-size: 17px;
}

.case-card .case-label {
  display: block;
  margin-bottom: 8px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.case-point {
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.case-point b {
  display: block;
  margin-bottom: 5px;
  color: var(--ink);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.case-point p {
  margin: 0;
  color: var(--text);
  font-size: 13.5px;
}

.process-list {
  display: grid;
  gap: 12px;
}

.process-item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}

.process-item span {
  color: var(--accent);
  font-size: 13px;
  font-weight: 900;
}

.process-item h3 {
  margin: 0;
  color: var(--ink);
  font-size: 16px;
}

.process-item p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 14px;
}

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

.evidence-shot {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.shot-placeholder {
  display: grid;
  min-height: 190px;
  place-items: center;
  padding: 18px;
  background:
    linear-gradient(135deg, rgba(15, 118, 110, 0.11), rgba(15, 118, 110, 0.015)),
    repeating-linear-gradient(135deg, rgba(15, 23, 42, 0.045) 0 1px, transparent 1px 12px);
  color: var(--accent-strong);
  text-align: center;
}

.evidence-image {
  display: block;
  width: 100%;
  height: 210px;
  object-fit: cover;
  background: var(--panel-strong);
}

.shot-placeholder strong {
  display: block;
  color: var(--ink);
  font-size: 16px;
}

.shot-placeholder span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 760;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.evidence-caption {
  padding: 14px;
  border-top: 1px solid var(--line);
}

.evidence-caption h3 {
  margin: 0;
  color: var(--ink);
  font-size: 15px;
}

.evidence-caption p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 13.5px;
}

.asset-note {
  margin-top: 16px;
  padding: 14px 16px;
  border: 1px solid #f6d28b;
  border-radius: 8px;
  background: #fffbeb;
  color: #73510d;
  font-size: 13.5px;
}

.mobile-top {
  display: none;
}

@media (max-width: 900px) {
  .page {
    display: block;
    width: min(720px, calc(100% - 36px));
    padding: 48px 0;
  }

  .sidebar {
    position: static;
    min-height: 0;
    padding-bottom: 72px;
  }

  .nav {
    display: none;
  }

  .socials {
    margin-top: 28px;
  }

  .section-title {
    display: block;
  }

  .section {
    padding-bottom: 78px;
  }

  .detail-topline {
    display: grid;
    justify-content: start;
    gap: 8px;
  }

  .repo-links {
    justify-content: flex-start;
  }

  .repo-meta {
    justify-items: start;
  }

  .principle-grid,
  .capability-grid,
  .technical-case-grid,
  .build-grid,
  .evidence-summary {
    grid-template-columns: 1fr;
  }

  .evidence-gallery {
    grid-template-columns: 1fr;
  }

  .asset-grid,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .flow-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  body {
    background: var(--bg);
  }

  .page {
    width: min(100% - 28px, 720px);
    padding: 34px 0;
  }

  .intro h1 {
    font-size: 42px;
  }

  .intro h2 {
    font-size: 20px;
  }

  .intro p {
    font-size: 16px;
  }

  .item,
  .project-card,
  .writing-item,
  .case-grid,
  .note-row {
    grid-template-columns: 1fr;
  }

  .item,
  .project-card,
  .case-card {
    margin: 0;
    padding: 16px;
    border-color: var(--line);
    background: var(--panel);
  }

  .project-thumb {
    min-height: 0;
    order: -1;
  }

  .flow-steps {
    grid-template-columns: 1fr;
  }
}