@import url("https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,600;0,9..144,900;1,9..144,500&family=JetBrains+Mono:wght@400;500;600&display=swap");

:root {
  --bg: #0b0c0f;
  --bg-alt: #15171c;
  --bg-raised: #1a1c22;
  --ink: #f3f1ea;
  --ink-muted: #8d8f99;
  --ink-faint: #4d4f58;
  --line: #24262d;
  --accent: #c8ff5e;
  --accent-strong: #e4ffa8;
  --accent2: #ffb454;
  --radius: 14px;
  --measure: 38rem;
  --font-display: "Fraunces", ui-serif, Georgia, serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Pretendard, sans-serif;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6f4ee;
    --bg-alt: #ece9df;
    --bg-raised: #ffffff;
    --ink: #17181c;
    --ink-muted: #6b6d76;
    --ink-faint: #b3b1a6;
    --line: #ddd9cb;
    --accent: #4f7d1f;
    --accent-strong: #385c12;
    --accent2: #b5651d;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  background-image:
    radial-gradient(circle at 1px 1px, var(--line) 1px, transparent 0);
  background-size: 28px 28px;
  background-attachment: fixed;
}

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--accent-strong); }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.wrap {
  max-width: 46rem;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  padding: 1.1rem 0;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  row-gap: 0.6rem;
  gap: 1rem;
}
.header-right {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}
.wordmark {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.01em;
}
.wordmark .dot { color: var(--accent); }
.wordmark:hover { color: var(--accent); }
.site-nav {
  display: flex;
  gap: 1.35rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.site-nav a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-muted);
  text-decoration: none;
  letter-spacing: 0.02em;
}
.site-nav a:hover { color: var(--accent); }
@media (max-width: 560px) {
  .header-right { width: 100%; justify-content: space-between; }
  .site-nav { gap: 0.6rem; }
  .site-nav a span.num { display: none; }
}

/* ---------- Language toggle ---------- */
.lang-toggle {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 999px;
  overflow: hidden;
  flex-shrink: 0;
}
.lang-toggle button {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.03em;
  border: none;
  background: transparent;
  color: var(--ink-faint);
  padding: 0.3rem 0.65rem;
  cursor: pointer;
}
html[data-lang="ko"] .lang-toggle button[data-lang-btn="ko"],
html[data-lang="en"] .lang-toggle button[data-lang-btn="en"] {
  background: var(--bg-alt);
  color: var(--accent);
}

/* ---------- i18n visibility ---------- */
.i18n[lang="en"] { display: none; }
html[data-lang="en"] .i18n[lang="ko"] { display: none; }
html[data-lang="en"] .i18n[lang="en"] { display: block; }
/* 형제 텍스트와 한 줄에 흘러야 하는 요소(nav 라벨, 날짜 접두어 등) */
html[data-lang="en"] .i18n.i18n-inline[lang="en"] { display: inline; }

/* ---------- Hero ---------- */
.hero {
  padding: 4.5rem 0 4rem;
}
.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  margin: 0 0 1.1rem;
  letter-spacing: 0.03em;
}
.hero-name {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.8rem, 9vw, 5.2rem);
  line-height: 0.98;
  letter-spacing: -0.02em;
  margin: 0 0 1.25rem;
}
.hero-name em {
  font-style: italic;
  font-weight: 500;
  color: var(--accent);
}
.hero-role {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--ink-muted);
  margin: 0 0 1.5rem;
}
.hero-tagline {
  font-size: 1.2rem;
  max-width: var(--measure);
  margin: 0 0 1.75rem;
  color: var(--ink);
}
.hero-status {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--ink-muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.4rem 0.9rem 0.4rem 0.7rem;
  background: var(--bg-alt);
}
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent);
  flex-shrink: 0;
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}

/* ---------- Sections ---------- */
.section {
  padding: 3.5rem 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: 4.5rem;
}
.section-head {
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
  margin-bottom: 1.75rem;
}
.section-index {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--ink-faint);
}
.section-head h2 {
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 600;
  margin: 0;
  letter-spacing: -0.01em;
}
.section-body { max-width: var(--measure); }
.section-body p { margin: 0 0 1.1rem; color: var(--ink); }
.section-body p:last-child { margin-bottom: 0; }

/* ---------- Career timeline ---------- */
.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 1px solid var(--line);
  max-width: var(--measure);
}
.timeline li {
  position: relative;
  padding: 0 0 1.9rem 1.5rem;
}
.timeline li:last-child { padding-bottom: 0; }
.timeline li::before {
  content: "";
  position: absolute;
  left: -4.5px;
  top: 0.4rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--bg);
  border: 1.5px solid var(--accent);
}
.timeline-period {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-muted);
  margin-bottom: 0.35rem;
}
.timeline-role {
  font-weight: 600;
  font-size: 1.02rem;
}
.timeline-org {
  color: var(--ink-muted);
  font-weight: 400;
}
.timeline-desc {
  margin: 0.4rem 0 0;
  color: var(--ink-muted);
  font-size: 0.95rem;
}

/* ---------- Apps grid ---------- */
.app-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1rem;
}
.app-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.4rem;
  background: var(--bg-alt);
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.app-card:has(.app-card-link:hover) {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.app-card-top {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 0.9rem;
}
.app-icon,
.app-icon-fallback {
  width: 48px;
  height: 48px;
  border-radius: 11px;
  flex-shrink: 0;
}
.app-icon { object-fit: cover; border: 1px solid var(--line); }
.app-icon-fallback {
  background: var(--bg-raised);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.2rem;
  color: var(--ink-muted);
}
.app-card-link { text-decoration: none; color: inherit; }
.app-name {
  display: block;
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--ink);
}
.app-card-link:hover .app-name { color: var(--accent); }
.app-tagline {
  color: var(--ink-muted);
  margin: 0.3rem 0 0;
  font-size: 0.88rem;
  line-height: 1.5;
}
.app-card-meta {
  margin-top: 1rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}
.status-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  padding: 0.2rem 0.5rem;
  border-radius: 5px;
  border: 1px solid var(--line);
  color: var(--ink-muted);
  white-space: nowrap;
}
.status-tag--live { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 40%, var(--line)); }
.status-tag--soon { color: var(--accent2); border-color: color-mix(in srgb, var(--accent2) 40%, var(--line)); }
.app-card-meta a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-decoration: none;
}
.app-card-meta .disabled { color: var(--ink-faint); font-family: var(--font-mono); font-size: 0.78rem; }

/* ---------- Contact links ---------- */
.link-row {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}
.link-pill {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.6rem 1.1rem;
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--ink);
  background: var(--bg-alt);
  transition: border-color 0.15s ease, color 0.15s ease;
}
.link-pill:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.link-pill .link-label { color: var(--ink-muted); font-size: 0.78rem; }
.link-pill:hover .link-label { color: var(--accent); }

/* ---------- Footer ---------- */
.site-footer {
  margin-top: 1rem;
  padding: 2rem 0 3.5rem;
  border-top: 1px solid var(--line);
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* ---------- App detail page ---------- */
.back-link {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-decoration: none;
  color: var(--ink-muted);
  display: inline-block;
  margin-bottom: 1.75rem;
}
.back-link:hover { color: var(--accent); }
.app-hero {
  margin-bottom: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--line);
}
.app-hero-top {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  margin-bottom: 1.1rem;
}
.app-hero-top .app-icon,
.app-hero-top .app-icon-fallback {
  width: 64px;
  height: 64px;
  font-size: 1.5rem;
  margin: 0;
}
.app-hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  margin: 0;
  font-size: 2rem;
}
.app-hero .app-tagline { margin: 0.2rem 0 0; font-size: 1.05rem; }
.app-cta {
  margin-top: 1.4rem;
  display: flex;
  gap: 0.7rem;
  flex-wrap: wrap;
}

.screenshot-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin: 1.75rem 0;
}
.screenshot-frame {
  aspect-ratio: 9 / 16;
  border: 1px dashed var(--line);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-faint);
  font-size: 0.85rem;
  font-family: var(--font-mono);
  background: var(--bg-alt);
}
.screenshot-row img {
  width: 100%;
  aspect-ratio: 9 / 19.5;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: block;
  background: var(--bg-alt);
}
@media (max-width: 520px) {
  .screenshot-row { grid-template-columns: repeat(2, 1fr); }
}

.app-body { max-width: var(--measure); }
.app-body p { margin: 0 0 1.1rem; }

.legal-links { margin-top: 2.5rem; }
.legal-links h2 {
  font-size: 0.85rem;
  font-family: var(--font-mono);
  color: var(--ink-muted);
  font-weight: 500;
  margin: 0 0 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.legal-links ul { list-style: none; padding: 0; margin: 0; }
.legal-links li { margin-bottom: 0.4rem; }

/* ---------- Legal document page ---------- */
.doc-header { margin-bottom: 2.25rem; }
.doc-header h1 {
  font-family: var(--font-display);
  font-size: 1.7rem;
  margin: 0 0 0.6rem;
}
.doc-updated {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink-muted);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 0.6rem 0;
  display: inline-block;
}

.doc-body { max-width: var(--measure); font-size: 1rem; }
.doc-body h2 { font-family: var(--font-display); font-size: 1.25rem; margin: 2rem 0 0.75rem; }
.doc-body h3 { font-size: 1.02rem; margin: 1.5rem 0 0.6rem; }
.doc-body p { margin: 0 0 1.05rem; color: var(--ink); }
.doc-body ul, .doc-body ol { margin: 0 0 1.05rem 1.2rem; padding: 0; }
.doc-body li { margin-bottom: 0.4rem; }
.doc-body blockquote {
  margin: 0 0 1.5rem;
  padding: 0.75rem 1rem;
  border-left: 3px solid var(--accent);
  background: var(--bg-alt);
  color: var(--ink-muted);
  font-size: 0.95rem;
}
.doc-body blockquote p:last-child { margin-bottom: 0; }
.doc-body code {
  font-family: var(--font-mono);
  background: var(--bg-alt);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  font-size: 0.9em;
}
.doc-body pre { background: var(--bg-alt); padding: 1rem; border-radius: 8px; overflow-x: auto; }
.doc-body pre code { background: none; padding: 0; }
.doc-body a { word-break: break-word; }
.doc-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 1.5rem;
  font-size: 0.92rem;
}
.doc-body th, .doc-body td {
  border: 1px solid var(--line);
  padding: 0.5rem 0.75rem;
  text-align: left;
  vertical-align: top;
}
.doc-body th { background: var(--bg-alt); font-weight: 600; }

/* ---------- 404 ---------- */
.notfound { padding: 6rem 0; }
.notfound h1 { font-family: var(--font-mono); font-size: 1.1rem; }