@font-face {
  font-family: 'IBM Plex Mono';
  font-weight: 400;
  font-display: swap;
  src: url('fonts/ibm-plex-mono-400.woff2') format('woff2');
}

@font-face {
  font-family: 'IBM Plex Mono';
  font-weight: 500;
  font-display: swap;
  src: url('fonts/ibm-plex-mono-500.woff2') format('woff2');
}

@font-face {
  font-family: 'IBM Plex Sans';
  font-weight: 400 600;
  font-display: swap;
  src: url('fonts/ibm-plex-sans.woff2') format('woff2');
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #15130f;
  --bg-raised: #1d1a15;
  --line: #2e2a23;
  --text: #e6dfcf;
  --text-dim: #a39b8b;
  --text-faint: #6f685b;
  --accent: #e3a14b;
  --accent-soft: #e3a14b22;
  --mono: 'IBM Plex Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;
  --sans: 'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--sans);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--accent);
  color: var(--bg);
}

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 72px 28px 64px;
}

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

a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

strong {
  color: var(--text);
  font-weight: 600;
}

section {
  padding: 56px 0;
  scroll-margin-top: 56px;
}

h2 {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 32px;
}

h2::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--line);
}

.sec-num {
  color: var(--accent);
}

/* ── TOP BAR ──────────────────────────────────────── */

.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  background: #15130fee;
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}

.topbar-inner {
  max-width: 760px;
  margin: 0 auto;
  padding: 14px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  font-family: var(--mono);
  font-size: 0.82rem;
}

.site-name {
  color: var(--accent);
  white-space: nowrap;
}

.site-name:hover {
  text-decoration: none;
}

.cursor {
  animation: blink 1.1s steps(1) infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

.nav-links {
  display: flex;
  gap: 22px;
  list-style: none;
  overflow-x: auto;
}

.nav-links a {
  color: var(--text-dim);
  white-space: nowrap;
}

.nav-links a:hover {
  color: var(--accent);
  text-decoration: none;
}

/* ── BIO ──────────────────────────────────────────── */

.hero {
  padding-top: 64px;
}

.hero-head {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-bottom: 40px;
}

.avatar {
  width: 108px;
  height: 108px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent);
  filter: sepia(0.25) contrast(1.05);
  flex-shrink: 0;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero h1 {
  font-size: 2.3rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-top: 6px;
}

.social-links {
  display: flex;
  gap: 18px;
  margin-top: 14px;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 0.82rem;
}

.social-links a::before {
  content: '[';
  color: var(--text-faint);
}

.social-links a::after {
  content: ']';
  color: var(--text-faint);
}

.about p {
  font-size: 1rem;
  color: var(--text-dim);
}

.about p + p {
  margin-top: 16px;
}

.facts {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 24px;
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px dashed var(--line);
}

.fact-label {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text);
  border: 1px solid var(--line);
  background: var(--bg-raised);
  padding: 3px 10px;
  border-radius: 3px;
}

/* ── EXPERIENCE ───────────────────────────────────── */

.exp-list {
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.exp-item {
  padding-left: 20px;
  border-left: 2px solid var(--line);
  transition: border-color 0.15s;
}

.exp-item:hover {
  border-left-color: var(--accent);
}

.exp-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}

.exp-org {
  font-weight: 600;
  color: var(--text);
  font-size: 1rem;
}

.exp-org:hover {
  color: var(--accent);
  text-decoration: none;
}

.exp-dates {
  font-family: var(--mono);
  color: var(--text-faint);
  font-size: 0.78rem;
  white-space: nowrap;
}

.exp-role {
  font-family: var(--mono);
  color: var(--accent);
  font-size: 0.8rem;
  margin: 2px 0 8px;
}

.exp-desc {
  font-size: 0.93rem;
  color: var(--text-dim);
}

/* ── PUBLICATIONS ─────────────────────────────────── */

.pub-list {
  display: flex;
  flex-direction: column;
  gap: 26px;
}

.pub-item {
  padding-left: 20px;
  border-left: 2px solid var(--line);
  transition: border-color 0.15s;
}

.pub-item:hover {
  border-left-color: var(--accent);
}

.pub-title {
  font-size: 0.97rem;
  font-weight: 500;
  color: var(--text);
  line-height: 1.5;
}

.pub-title:hover {
  color: var(--accent);
  text-decoration: none;
}

.pub-meta {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--accent);
  margin-top: 4px;
}

.pub-press {
  font-size: 0.82rem;
  color: var(--text-faint);
  margin-top: 3px;
}

.pub-press-lang {
  color: var(--text-faint);
}

/* ── EDUCATION ────────────────────────────────────── */

.edu-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.edu-school {
  font-weight: 600;
  font-size: 1rem;
}

.edu-degree {
  color: var(--text-dim);
  font-size: 0.93rem;
  margin-top: 2px;
}

.edu-dates {
  font-family: var(--mono);
  color: var(--text-faint);
  font-size: 0.78rem;
  margin-top: 2px;
}

/* ── MINIMAX EASTER EGG ───────────────────────────── */

.minimax-aside {
  margin: 8px 0;
  padding: 32px 24px;
  border: 1px dashed var(--line);
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.minimax-note {
  font-size: 0.85rem;
  color: var(--text-faint);
  font-style: italic;
  margin-bottom: 20px;
}

.game-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

#game-status {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--text-dim);
  min-height: 20px;
}

.board {
  display: grid;
  grid-template-columns: repeat(3, 80px);
  grid-template-rows: repeat(3, 80px);
  gap: 5px;
}

.cell {
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: 3px;
  font-family: var(--mono);
  font-size: 2rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.1s, border-color 0.1s;
  color: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.cell:hover:not(.filled) {
  background: var(--accent-soft);
  border-color: var(--accent);
}

.cell.x {
  color: var(--accent);
}

.cell.o {
  color: var(--text);
}

.cell.filled {
  cursor: default;
}

#reset-btn {
  padding: 6px 22px;
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
  border-radius: 3px;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.8rem;
  transition: background 0.15s, color 0.15s;
}

#reset-btn:hover {
  background: var(--accent);
  color: var(--bg);
}

/* ── CONTACT + QR ─────────────────────────────────── */

.contact-layout {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  flex-wrap: wrap;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-family: var(--mono);
  font-size: 0.85rem;
}

.contact-links a::before {
  content: '> ';
  color: var(--text-faint);
}

.qr-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.qr-wrapper img {
  display: block;
  background: var(--text);
  border-radius: 3px;
  padding: 8px;
}

.qr-label {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-faint);
}

/* ── RESPONSIVE ───────────────────────────────────── */

@media (max-width: 600px) {
  main {
    padding-left: 18px;
    padding-right: 18px;
  }

  .topbar-inner {
    padding: 12px 18px;
  }

  .site-name {
    display: none;
  }

  .topbar-inner {
    font-size: 0.74rem;
  }

  .nav-links {
    gap: 12px;
  }

  .hero-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }

  .hero h1 {
    font-size: 1.8rem;
  }

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

  .exp-header {
    flex-direction: column;
    gap: 2px;
  }

  .board {
    grid-template-columns: repeat(3, 72px);
    grid-template-rows: repeat(3, 72px);
  }

  .contact-layout {
    flex-direction: column;
  }
}

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

  .cursor {
    animation: none;
  }
}