/* ============================================================
   kraken-lab.work — crt.css
   CRT Phosphor Terminal Theme — retro.kraken-lab.work
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=VT323&family=Share+Tech+Mono&display=swap');

/* ── VARIABLES ── */
:root {
  --bg:            #000000;
  --bg-tube:       #020802;
  --bg-card:       #020802;
  --bg-muted:      #010601;
  --phosphor:      #00ff41;
  --phosphor-dim:  #00aa2a;
  --phosphor-lo:   #004d12;
  --border:        #004d12;
  --border-bright: #00772a;
  --text:          #00ff41;
  --text-muted:    #00aa2a;
  --text-dim:      #004d12;
  --accent:        #00ff41;
  --accent-dim:    #004d12;
  --accent-blue:   #00ff41;
  --accent-amber:  #ffb000;
  --accent-red:    #ff4444;
  --accent-purple: #00ff41;
  --mono:          'Share Tech Mono', 'Courier New', monospace;
  --sans:          'Share Tech Mono', 'Courier New', monospace;
  --display:       'VT323', monospace;
  --glow:          0 0 8px #00ff41, 0 0 20px #00cc33;
  --glow-lo:       0 0 4px #00ff4166;
  --glow-text:     0 0 6px #00ff41cc;

  /* Legacy aliases */
  --a:     #00ff41;
  --a-bg:  rgba(0, 255, 65, 0.07);
  --a-bdr: rgba(0, 255, 65, 0.35);
  --color-background-primary:   #000000;
  --color-background-secondary: #020802;
  --color-text-primary:         #00ff41;
  --color-text-secondary:       #00aa2a;
  --color-text-dim:             #004d12;
  --color-border-tertiary:      #004d12;
  --color-border-secondary:     #00772a;
  --font-mono:  'Share Tech Mono', monospace;
  --font-sans:  'Share Tech Mono', monospace;
  --font-serif: 'Share Tech Mono', monospace;
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  background-color: #000;
}

/* ── ANIMATIONS ── */
@keyframes flicker {
  0%   { opacity: 1; }
  92%  { opacity: 1; }
  93%  { opacity: 0.85; }
  94%  { opacity: 1; }
  96%  { opacity: 0.92; }
  100% { opacity: 1; }
}
@keyframes blink {
  0%, 49%  { opacity: 1; }
  50%, 100% { opacity: 0; }
}
@keyframes scanroll {
  0%   { top: -120px; }
  100% { top: 100vh; }
}

/* ── CRT BODY ── */
body {
  font-family: var(--mono);
  background-color: #000;
  color: var(--phosphor);
  font-size: 14px;
  line-height: 1.6;
  animation: flicker 6s infinite;
  overflow-x: hidden;
}

/* Scanlines overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.15) 2px,
    rgba(0, 0, 0, 0.15) 4px
  );
  pointer-events: none;
  z-index: 9000;
}

/* Phosphor vignette */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: radial-gradient(
    ellipse at center,
    transparent 60%,
    rgba(0, 0, 0, 0.72) 100%
  );
  pointer-events: none;
  z-index: 8999;
}

a { color: var(--phosphor-dim); text-decoration: none; }
a:hover { color: var(--phosphor); text-shadow: var(--glow-text); }

/* ── ROLLING SCAN LINE ── */
.crt-scanroll {
  position: fixed;
  left: 0; right: 0;
  height: 120px;
  background: linear-gradient(
    to bottom,
    transparent,
    rgba(0, 255, 65, 0.04),
    transparent
  );
  animation: scanroll 8s linear infinite;
  pointer-events: none;
  z-index: 8998;
}

/* ── SYS BAR ── */
.crt-sysbar {
  border-bottom: 2px solid var(--phosphor-lo);
  padding: 5px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--phosphor-dim);
  background: var(--bg-tube);
  text-shadow: var(--glow-lo);
  letter-spacing: 0.08em;
  position: sticky;
  top: 0;
  z-index: 200;
}
.crt-sysbar .sys-id {
  color: var(--phosphor);
  text-shadow: var(--glow-text);
}

/* ── LAYOUT CONTAINER ── */
.container {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── SECTION BLOCK ── */
.section-block {
  padding: 0;
  border-bottom: 1px solid var(--phosphor-lo);
  background: var(--bg-tube);
}
.section-block .container {
  padding: 32px 24px;
}
.section-block.sec-alt {
  background: #010601;
}

.section-num {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--phosphor-lo);
  margin-bottom: 2px;
  letter-spacing: 0.1em;
}
.section-num::before { content: '[ '; }
.section-num::after  { content: ' ]'; }

.section-title {
  font-family: var(--display);
  font-size: 34px;
  font-weight: normal;
  color: var(--phosphor);
  text-shadow: var(--glow-text);
  margin-bottom: 24px;
  letter-spacing: 0.04em;
}
.section-title .lang {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--phosphor-dim);
  margin-left: 8px;
  font-weight: normal;
}
.section-subtitle {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--phosphor-dim);
  margin-bottom: 24px;
}

/* ============================================================
   NAV
   ============================================================ */
.nav {
  border-bottom: 2px solid var(--phosphor-lo);
  background: var(--bg-tube);
  padding: 8px 24px;
  position: sticky;
  top: 28px; /* below sysbar */
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.logo-monogram {
  width: 28px;
  height: 28px;
  border: 1px solid var(--phosphor);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--display);
  font-size: 20px;
  color: var(--phosphor);
  text-shadow: var(--glow-text);
  flex-shrink: 0;
}
.logo-url {
  font-family: var(--display);
  font-size: 22px;
  color: var(--phosphor-dim);
  letter-spacing: 0.05em;
  text-shadow: var(--glow-lo);
}
.nav-links {
  display: none;
  align-items: center;
  gap: 0;
}
.nav-link {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--phosphor-dim);
  letter-spacing: 0.08em;
  transition: color 0.1s, text-shadow 0.1s;
  padding: 2px 10px;
  border-right: 1px solid var(--phosphor-lo);
}
.nav-link:hover { color: var(--phosphor); text-shadow: var(--glow-text); }
.nav-link:last-child { border-right: none; }
.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}
.lang-toggle {
  display: flex;
  border: 1px solid var(--phosphor-lo);
}
.lang-btn {
  font-family: var(--mono);
  font-size: 11px;
  padding: 3px 7px;
  cursor: pointer;
  background: transparent;
  border: none;
  color: var(--phosphor-lo);
  letter-spacing: 1px;
  transition: background 0.1s, color 0.1s;
}
.lang-btn.active {
  background: rgba(0, 255, 65, 0.1);
  color: var(--phosphor);
  text-shadow: var(--glow-text);
}
.nav-cta {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--phosphor);
  border: 1px solid var(--phosphor-dim);
  padding: 3px 10px;
  letter-spacing: 0.5px;
  text-shadow: var(--glow-text);
  transition: background 0.1s;
}
.nav-cta:hover { background: rgba(0, 255, 65, 0.08); }
.hamburger span { background: var(--phosphor-dim); }
.mobile-menu {
  background: var(--bg-tube);
  border-bottom: 1px solid var(--phosphor-lo);
}
.mobile-menu.open { display: flex; }
.mobile-link { color: var(--phosphor-dim); border-bottom: 1px solid var(--phosphor-lo); font-family: var(--mono); font-size: 13px; }
.mobile-cta { color: var(--phosphor); }
.mobile-academic-group { border-bottom: 1px solid var(--phosphor-lo); }
.mobile-academic-toggle { color: var(--phosphor-dim); font-family: var(--mono); font-size: 13px; }
.mobile-academic-links { background: #010601; }
.mobile-academic-links .mobile-link { color: var(--phosphor-lo); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  padding: 40px 24px 32px;
  border-bottom: 1px solid var(--phosphor-lo);
  max-width: 860px;
  margin: 0 auto;
}
.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--phosphor-lo);
  letter-spacing: 3px;
  margin-bottom: 14px;
}
.hero-name {
  font-family: var(--display);
  font-size: clamp(44px, 6vw, 68px);
  font-weight: normal;
  line-height: 1;
  color: var(--phosphor);
  text-shadow: var(--glow);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}
.hero-dot { color: var(--phosphor); }
.hero-subline {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--phosphor-dim);
  margin-bottom: 20px;
  letter-spacing: 0.3px;
}
.hero-description {
  max-width: 560px;
  margin-bottom: 28px;
}
.body-text {
  font-size: 13px;
  color: var(--phosphor-dim);
  line-height: 1.85;
}
.body-text::before {
  content: '> ';
  color: var(--phosphor-lo);
}
.epistemic-line {
  font-family: var(--mono);
  font-style: normal;
  font-size: 13px;
  color: var(--phosphor);
  text-shadow: var(--glow-lo);
  line-height: 1.85;
  margin-top: 6px;
}
.epistemic-line em { font-style: normal; }
.hero-ctas {
  display: flex;
  gap: 10px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}
.cta-primary {
  font-family: var(--mono);
  font-size: 12px;
  padding: 7px 16px;
  border: 1px solid var(--phosphor);
  color: var(--phosphor);
  background: transparent;
  cursor: pointer;
  letter-spacing: 0.5px;
  text-shadow: var(--glow-text);
  transition: background 0.1s;
  text-decoration: none;
  display: inline-block;
}
.cta-primary:hover { background: rgba(0, 255, 65, 0.1); }
.cta-secondary {
  font-family: var(--mono);
  font-size: 12px;
  padding: 7px 16px;
  border: 1px solid var(--phosphor-lo);
  color: var(--phosphor-dim);
  background: transparent;
  cursor: pointer;
  letter-spacing: 0.5px;
  transition: border-color 0.1s, color 0.1s, text-shadow 0.1s;
  text-decoration: none;
  display: inline-block;
}
.cta-secondary:hover { border-color: var(--phosphor); color: var(--phosphor); text-shadow: var(--glow-text); }

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border: 1px solid var(--phosphor-lo);
}
.stat {
  padding: 16px 20px;
  border-right: 1px solid var(--phosphor-lo);
  border-bottom: 1px solid var(--phosphor-lo);
}
.stat:nth-child(2n) { border-right: none; }
.stat:nth-last-child(-n+2) { border-bottom: none; }
.stat-num {
  font-family: var(--display);
  font-size: 36px;
  font-weight: normal;
  color: var(--phosphor);
  text-shadow: var(--glow-text);
  line-height: 1;
}
.stat-label {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--phosphor-lo);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-top: 3px;
}

/* ============================================================
   ABOUT
   ============================================================ */
.about-grid { gap: 32px; }
.about-bio p {
  color: var(--phosphor-dim);
  font-size: 13px;
  line-height: 1.75;
  margin-bottom: 14px;
}
.about-bio p:last-child { margin-bottom: 0; }
.about-bio strong { color: var(--phosphor); text-shadow: var(--glow-lo); font-weight: normal; }
.about-bio em { color: var(--phosphor-dim); font-style: normal; }
.skill-group-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--phosphor-lo);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.skill-group-label.info { color: var(--phosphor-dim); }
.skill-group-note { color: rgba(0, 255, 65, 0.3); }
.skill-tag {
  font-family: var(--mono);
  font-size: 10px;
  padding: 2px 8px;
  border: 1px solid var(--phosphor-lo);
  border-radius: 0;
  color: var(--phosphor-lo);
  background: transparent;
}
.skill-tag.highlight {
  border-color: var(--phosphor-dim);
  color: var(--phosphor);
  background: rgba(0, 255, 65, 0.05);
  text-shadow: var(--glow-lo);
}
.skill-tag.scientific {
  border-color: var(--phosphor-lo);
  color: var(--phosphor-dim);
  background: transparent;
}

/* ============================================================
   EXPERIENCE
   ============================================================ */
.exp-list { display: flex; flex-direction: column; gap: 0; }
.exp-item {
  padding: 18px 0;
  border-bottom: 1px solid var(--phosphor-lo);
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 20px;
}
.exp-item:last-child { border-bottom: none; }
.exp-meta { display: flex; flex-direction: column; gap: 4px; }
.exp-period {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--phosphor-lo);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.exp-company { font-family: var(--mono); font-size: 12px; color: var(--phosphor-dim); margin-top: 3px; }
.exp-badges { display: flex; flex-direction: column; gap: 4px; margin-top: 4px; }
.exp-badge {
  display: inline-block;
  font-family: var(--mono);
  font-size: 9px;
  padding: 1px 6px;
  border: 1px solid var(--phosphor-lo);
  color: var(--phosphor-lo);
  border-radius: 0;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: transparent;
  align-self: flex-start;
}
.badge-remote { color: var(--phosphor-lo); border-color: var(--phosphor-lo); background: transparent; }
.badge-f500   { color: var(--phosphor-dim); border-color: var(--phosphor-dim); background: transparent; }
.exp-title {
  font-family: var(--display);
  font-size: 22px;
  color: var(--phosphor);
  text-shadow: var(--glow-lo);
  margin-bottom: 5px;
  font-weight: normal;
}
.exp-title span { color: var(--phosphor-dim); font-family: var(--mono); font-size: 13px; }
.exp-desc { font-size: 12px; color: var(--phosphor-dim); line-height: 1.6; margin-bottom: 8px; }
.exp-stack { display: flex; flex-wrap: wrap; gap: 5px; }
.stack-tag {
  font-family: var(--mono);
  font-size: 10px;
  padding: 1px 6px;
  border: 1px solid var(--phosphor-lo);
  border-radius: 0;
  color: var(--phosphor-lo);
  background: transparent;
}

/* ============================================================
   EPISTEME
   ============================================================ */
.ep-intro-mk { color: var(--phosphor-dim); font-size: 12px; line-height: 1.7; max-width: 580px; margin-bottom: 24px; }
.ep-intro-mk span.dim { color: var(--phosphor-lo); }
.vertical-card {
  background: transparent;
  border: 1px solid var(--phosphor-lo);
  border-radius: 0;
  padding: 24px;
}
.vertical-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--phosphor-lo);
  margin-bottom: 10px;
}
.vertical-name {
  font-family: var(--display);
  font-size: 26px;
  color: var(--phosphor);
  text-shadow: var(--glow-lo);
  font-weight: normal;
  margin-bottom: 6px;
}
.vertical-tagline { font-family: var(--mono); font-size: 11px; color: var(--phosphor-dim); margin-bottom: 14px; }
.vertical-desc { font-size: 12px; color: var(--phosphor-dim); line-height: 1.65; margin-bottom: 16px; }
.vertical-services { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.service-item { font-size: 12px; color: var(--phosphor-dim); display: flex; align-items: flex-start; gap: 8px; }
.service-item::before { content: '→'; color: var(--phosphor); font-family: var(--mono); flex-shrink: 0; margin-top: 1px; }
.vertical-tools { display: flex; flex-wrap: wrap; gap: 5px; margin-bottom: 16px; }
.vertical-tool {
  font-family: var(--mono);
  font-size: 10px;
  padding: 1px 6px;
  border: 1px solid var(--phosphor-lo);
  color: var(--phosphor-lo);
  border-radius: 0;
}
.vertical-cta { border-top: 1px solid var(--phosphor-lo); padding-top: 12px; margin-top: 4px; }
.vertical-cta a { font-family: var(--mono); font-size: 11px; color: var(--phosphor); letter-spacing: 0.04em; }
.vertical-cta a::before { content: '>> '; }
.episteme-cta-bar { margin-top: 24px; font-size: 12px; color: var(--phosphor-dim); display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.episteme-cta-bar a { color: var(--phosphor); font-family: var(--mono); font-size: 11px; }
.ep-dot-success { width: 6px; height: 6px; border-radius: 0; background: var(--phosphor); flex-shrink: 0; box-shadow: var(--glow-lo); }

/* ============================================================
   PUBLICATIONS
   ============================================================ */
.pub-metrics-bar {
  display: flex;
  gap: 20px;
  margin-bottom: 24px;
  padding: 14px 18px;
  background: transparent;
  border: 1px solid var(--phosphor-lo);
  border-radius: 0;
  flex-wrap: wrap;
  align-items: flex-start;
}
.pub-metric { display: flex; flex-direction: column; gap: 2px; }
.pub-metric-num { font-family: var(--display); font-size: 28px; color: var(--phosphor); text-shadow: var(--glow-lo); font-weight: normal; }
.pub-metric-label { font-family: var(--mono); font-size: 10px; color: var(--phosphor-lo); letter-spacing: 0.08em; }
.pub-metric-links { margin-left: auto; display: flex; flex-direction: column; gap: 4px; align-items: flex-end; justify-content: center; }
.pub-metric-links a { font-family: var(--mono); font-size: 11px; color: var(--phosphor-dim); border-bottom: 1px solid var(--phosphor-lo); }
.pub-list { display: flex; flex-direction: column; gap: 0; }
.pub-item {
  padding: 20px 0;
  border-bottom: 1px solid var(--phosphor-lo);
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 20px;
  align-items: start;
}
.pub-item:last-child { border-bottom: none; }
.pub-year-col { display: flex; flex-direction: column; align-items: center; gap: 8px; padding-top: 3px; }
.pub-year { font-family: var(--mono); font-size: 12px; color: var(--phosphor-lo); letter-spacing: 0.04em; }
.pub-cited { font-family: var(--mono); font-size: 9px; color: var(--phosphor-lo); text-align: center; line-height: 1.3; }
.pub-cited .num { display: block; font-family: var(--display); font-size: 16px; color: var(--phosphor); text-shadow: var(--glow-lo); }
.pub-title { font-size: 13px; color: var(--phosphor); line-height: 1.5; margin-bottom: 6px; }
.pub-authors { font-family: var(--mono); font-size: 11px; color: var(--phosphor-lo); margin-bottom: 5px; line-height: 1.5; }
.pub-authors .me { color: var(--phosphor); text-shadow: var(--glow-lo); font-weight: normal; }
.pub-venue { font-size: 12px; color: var(--phosphor-dim); font-style: normal; margin-bottom: 10px; }
.pub-tags { display: flex; flex-wrap: wrap; gap: 5px; margin-bottom: 8px; }
.pub-tag {
  font-family: var(--mono);
  font-size: 10px;
  padding: 1px 6px;
  border: 1px solid var(--phosphor-lo);
  border-radius: 0;
  color: var(--phosphor-lo);
  background: transparent;
}
.pub-tag.bio { border-color: var(--phosphor-dim); color: var(--phosphor); background: transparent; }
.pub-tag.physics { border-color: var(--phosphor-lo); color: var(--phosphor-dim); background: transparent; }
.pub-link { font-family: var(--mono); font-size: 10px; color: var(--phosphor-dim); border-bottom: 1px solid var(--phosphor-lo); text-decoration: none; padding-bottom: 1px; }
.pub-link-sep { font-family: var(--mono); font-size: 10px; color: var(--phosphor-lo); margin: 0 4px; }

/* ============================================================
   BOOKS
   ============================================================ */
.book-card {
  background: transparent;
  border: 1px solid var(--phosphor-lo);
  border-radius: 0;
  padding: 24px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 24px;
  align-items: start;
}
.book-spine {
  background: linear-gradient(135deg, #001a00 0%, #003300 50%, #001a00 100%);
  border: 1px solid var(--phosphor-lo);
  border-radius: 0;
}
.book-spine::before { background: rgba(0, 255, 65, 0.1); }
.book-spine-text { color: var(--phosphor); }
.book-meta { display: flex; flex-direction: column; gap: 0; }
.book-type { font-family: var(--mono); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--phosphor-lo); margin-bottom: 8px; }
.book-title { font-family: var(--display); font-size: 22px; color: var(--phosphor); text-shadow: var(--glow-lo); font-weight: normal; line-height: 1.3; margin-bottom: 8px; }
.book-title em { font-style: normal; color: var(--phosphor-dim); }
.book-authors { font-family: var(--mono); font-size: 11px; color: var(--phosphor-lo); margin-bottom: 6px; line-height: 1.5; }
.book-authors .me { color: var(--phosphor); }
.book-publisher { font-size: 12px; color: var(--phosphor-dim); font-style: normal; margin-bottom: 14px; }
.book-desc { font-size: 12px; color: var(--phosphor-dim); line-height: 1.65; margin-bottom: 16px; }
.book-tags { display: flex; flex-wrap: wrap; gap: 5px; margin-bottom: 14px; }
.book-tag {
  font-family: var(--mono);
  font-size: 10px;
  padding: 1px 6px;
  border: 1px solid var(--phosphor-lo);
  border-radius: 0;
  color: var(--phosphor-lo);
  background: transparent;
}
.book-download {
  display: inline-block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--phosphor);
  border: 1px solid var(--phosphor-lo);
  padding: 3px 8px;
  text-decoration: none;
  text-shadow: var(--glow-lo);
  transition: background 0.15s, color 0.15s;
}
.book-download:hover {
  background: var(--phosphor-lo);
  color: var(--phosphor);
}

/* ============================================================
   TEACHING
   ============================================================ */
.teaching-list { display: flex; flex-direction: column; gap: 0; }
.teaching-item {
  padding: 18px 0;
  border-bottom: 1px solid var(--phosphor-lo);
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 24px;
  align-items: start;
}
.teaching-item:last-child { border-bottom: none; }
.teaching-meta { display: flex; flex-direction: column; gap: 4px; }
.teaching-period { font-family: var(--mono); font-size: 10px; color: var(--phosphor-lo); letter-spacing: 0.06em; text-transform: uppercase; }
.teaching-inst { font-family: var(--mono); font-size: 12px; color: var(--phosphor-dim); line-height: 1.4; }
.teaching-badge {
  display: inline-block;
  font-family: var(--mono);
  font-size: 9px;
  padding: 1px 6px;
  border-radius: 0;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 5px;
  align-self: flex-start;
  background: transparent;
}
.badge-ug      { color: var(--phosphor-dim); border: 1px solid var(--phosphor-lo); }
.badge-pg      { color: var(--phosphor-dim); border: 1px solid var(--phosphor-lo); }
.badge-content { color: var(--phosphor-lo);  border: 1px solid var(--phosphor-lo); }
.teaching-title { font-family: var(--display); font-size: 20px; color: var(--phosphor); text-shadow: var(--glow-lo); font-weight: normal; margin-bottom: 5px; }
.teaching-course { font-family: var(--mono); font-size: 11px; color: var(--phosphor-dim); margin-bottom: 6px; }
.teaching-desc { font-size: 12px; color: var(--phosphor-dim); line-height: 1.65; margin-bottom: 10px; }
.teaching-tags { display: flex; flex-wrap: wrap; gap: 5px; }
.teaching-tag {
  font-family: var(--mono);
  font-size: 10px;
  padding: 1px 6px;
  border: 1px solid var(--phosphor-lo);
  border-radius: 0;
  color: var(--phosphor-lo);
  background: transparent;
}

/* ============================================================
   TALKS
   ============================================================ */
.talks-placeholder {
  background: transparent;
  border: 1px solid var(--phosphor-lo);
  border-radius: 0;
  padding: 36px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  text-align: center;
}
.talks-icon { font-size: 36px; opacity: 0.25; }
.talks-label { font-family: var(--mono); font-size: 11px; color: var(--phosphor-lo); letter-spacing: 0.1em; text-transform: uppercase; }
.talks-note { font-size: 12px; color: var(--phosphor-dim); max-width: 460px; line-height: 1.65; }
.talks-hint {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--phosphor-lo);
  border: 1px dashed var(--phosphor-lo);
  padding: 6px 14px;
  border-radius: 0;
}
.talks-example { margin-top: 24px; opacity: 0.3; pointer-events: none; width: 100%; text-align: left; }
.talks-example-label { font-family: var(--mono); font-size: 10px; color: var(--phosphor-lo); margin-bottom: 12px; letter-spacing: 0.1em; }
.talks-example-item { border-bottom: 1px solid var(--phosphor-lo); padding: 16px 0; display: grid; grid-template-columns: 120px 1fr; gap: 20px; }
.talks-example-meta { font-family: var(--mono); font-size: 10px; color: var(--phosphor-lo); }
.talks-example-badge { font-family: var(--mono); font-size: 9px; color: var(--phosphor-lo); margin-top: 4px; padding: 1px 6px; border: 1px solid var(--phosphor-lo); border-radius: 0; display: inline-block; text-transform: uppercase; }
.talks-example-title { font-size: 13px; color: var(--phosphor-dim); margin-bottom: 4px; }
.talks-example-event { font-family: var(--mono); font-size: 11px; color: var(--phosphor-lo); }

/* ============================================================
   LAB
   ============================================================ */
.lab-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.lab-card {
  border: 1px solid var(--phosphor-lo);
  background: transparent;
  border-radius: 0;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.card-status { font-family: var(--mono); font-size: 11px; letter-spacing: 0.5px; margin-bottom: 10px; }
.status-success { color: var(--phosphor); text-shadow: var(--glow-lo); }
.status-amber   { color: var(--phosphor-dim); }
.status-info    { color: var(--phosphor-dim); }
.status-muted   { color: var(--phosphor-lo); }
.card-icon { font-size: 18px; margin-bottom: 10px; line-height: 1; opacity: 0.6; }
.card-title { font-family: var(--display); font-size: 20px; color: var(--phosphor); text-shadow: var(--glow-lo); font-weight: normal; margin-bottom: 5px; }
.card-body { font-size: 12px; color: var(--phosphor-dim); line-height: 1.65; }
.card-tags { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 10px; }
.card-tag {
  font-family: var(--mono);
  font-size: 10px;
  padding: 1px 5px;
  border: 1px solid var(--phosphor-lo);
  color: var(--phosphor-lo);
  border-radius: 0;
}

/* ============================================================
   WRITING / BTA
   ============================================================ */
.bta-card {
  border: 1px solid var(--phosphor-lo);
  padding: 28px;
  background: transparent;
  border-radius: 0;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: start;
}
.bta-label { font-family: var(--mono); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--phosphor-lo); margin-bottom: 8px; }
.bta-title { font-family: var(--display); font-size: 32px; color: var(--phosphor); text-shadow: var(--glow); font-weight: normal; margin-bottom: 6px; }
.bta-subtitle { font-family: var(--mono); font-size: 11px; color: var(--phosphor-dim); margin-bottom: 16px; }
.bta-desc { font-size: 12px; color: var(--phosphor-dim); line-height: 1.65; margin-bottom: 20px; }
.bta-stats { display: flex; gap: 24px; }
.bta-stat { display: flex; flex-direction: column; gap: 2px; }
.bta-stat-num { font-family: var(--display); font-size: 24px; color: var(--phosphor); text-shadow: var(--glow-lo); font-weight: normal; }
.bta-stat-label { font-family: var(--mono); font-size: 10px; color: var(--phosphor-lo); letter-spacing: 0.08em; }
.bta-right { display: flex; flex-direction: column; align-items: flex-end; gap: 12px; }
.bta-status {
  font-family: var(--mono);
  font-size: 10px;
  padding: 3px 10px;
  border: 1px solid var(--phosphor-dim);
  color: var(--phosphor-dim);
  background: transparent;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  animation: blink 2s step-end infinite;
}
.bta-wip-note { font-family: var(--mono); font-size: 11px; color: var(--phosphor-lo); text-align: right; line-height: 1.5; max-width: 200px; }
.bta-linkedin-link { font-family: var(--mono); font-size: 11px; color: var(--phosphor-dim); text-decoration: none; border-bottom: 1px solid var(--phosphor-lo); padding-bottom: 1px; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  padding: 12px 24px;
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  border-top: 2px solid var(--phosphor-dim);
}
.footer-name { font-family: var(--mono); font-size: 12px; color: var(--phosphor-lo); }
.footer-links { display: flex; gap: 16px; flex-wrap: wrap; }
.footer-link { font-family: var(--mono); font-size: 12px; color: var(--phosphor-lo); transition: color 0.1s, text-shadow 0.1s; }
.footer-link:hover { color: var(--phosphor); text-shadow: var(--glow-text); }
.footer-link-accent { color: var(--phosphor-dim); }

/* ============================================================
   UTILITY BADGES
   ============================================================ */
.badge { font-family: var(--mono); font-size: 11px; letter-spacing: 1px; padding: 3px 8px; border: 1px solid; border-radius: 0; }
.badge-success { color: var(--phosphor); border-color: var(--phosphor-lo); background: transparent; text-shadow: var(--glow-lo); }
.badge-accent  { color: var(--phosphor); border-color: var(--phosphor-lo); }
.badge-info    { color: var(--phosphor-dim); border-color: var(--phosphor-lo); }
.badge-warning { color: var(--phosphor-lo); border-color: var(--phosphor-lo); background: transparent; }
.link-accent   { color: var(--phosphor); cursor: pointer; }

/* ============================================================
   LANGUAGE TOGGLE
   ============================================================ */
[data-lang="es"]    { display: none; }
div[data-lang="es"] { display: none; }
body.lang-es [data-lang="en"]    { display: none; }
body.lang-es [data-lang="es"]    { display: inline; }
body.lang-es div[data-lang="es"] { display: block; }
body.lang-es div[data-lang="en"] { display: none; }

/* ============================================================
   BREAKPOINTS
   ============================================================ */
@media (min-width: 768px) {
  .about-grid    { grid-template-columns: 1fr 1fr; }
  .episteme-grid { grid-template-columns: 1fr 1fr; }
  .stats         { grid-template-columns: repeat(4, 1fr); }
  .stat          { border-bottom: none; }
  .stat:nth-child(2n) { border-right: 1px solid var(--phosphor-lo); }
  .stat:last-child    { border-right: none; }
  .footer        { flex-direction: row; align-items: center; justify-content: space-between; }
}
@media (min-width: 1024px) {
  .nav-links.desktop-links { display: flex; }
  .hamburger    { display: none; }
  .mobile-menu  { display: none !important; }
  .lab-grid     { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 767px) {
  .exp-item, .teaching-item, .pub-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .bta-card  { grid-template-columns: 1fr; }
  .bta-right { align-items: flex-start; }
}

/* ============================================================
   WRITING / BEYOND THE ALGORITHM — CRT theme
   ============================================================ */

/* ── Index (list) ── */
.writing-index { padding: 64px 0 80px; }

.writing-index-header {
  margin-bottom: 48px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}
.writing-label {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--phosphor);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 12px;
  text-shadow: var(--glow-text);
}
.writing-index-title {
  font-family: var(--display);
  font-size: 2rem;
  color: var(--phosphor);
  line-height: 1.2;
  margin-bottom: 8px;
  text-shadow: var(--glow-text);
}
.writing-index-desc {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.writing-articles-list { display: flex; flex-direction: column; }

.writing-card {
  padding: 36px 0;
  border-bottom: 1px solid var(--border);
}

.writing-card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.writing-readtime {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-right: 4px;
}
.writing-tag {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--phosphor);
  background: var(--a-bg);
  border: 1px solid var(--a-bdr);
  padding: 2px 8px;
  border-radius: 0;
  white-space: nowrap;
  text-shadow: var(--glow-text);
}
.writing-card-title {
  font-family: var(--display);
  font-size: 1.6rem;
  font-weight: normal;
  margin-bottom: 6px;
  line-height: 1.2;
  text-shadow: var(--glow-text);
}
.writing-card-title a {
  color: var(--phosphor);
  text-decoration: none;
  transition: text-shadow 0.15s;
}
.writing-card-title a:hover { text-shadow: var(--glow); }
.writing-card-subtitle {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--text-muted);
  font-style: normal;
  margin-bottom: 14px;
}
.writing-card-summary {
  font-family: var(--mono);
  font-size: 0.88rem;
  color: var(--text);
  line-height: 1.7;
  margin-bottom: 18px;
  max-width: 680px;
}
.writing-read-link {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--phosphor);
  text-decoration: none;
  text-shadow: var(--glow-text);
}
.writing-read-link:hover { text-shadow: var(--glow); text-decoration: underline; }

/* ── Single article layout ── */
.writing-layout {
  display: flex;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
  gap: 56px;
  align-items: flex-start;
}
.writing-sidebar {
  width: 210px;
  flex-shrink: 0;
  padding-top: 72px;
}
.sidebar-inner { position: sticky; top: 80px; }
.sidebar-brand {
  display: block;
  text-decoration: none;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.sidebar-brand-label {
  display: block;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--phosphor);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 4px;
  text-shadow: var(--glow-text);
}
.sidebar-brand-sub {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--text-muted);
}
.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: calc(100vh - 200px);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: transparent transparent;
  transition: scrollbar-color 0.3s;
}
.sidebar-nav:hover {
  scrollbar-color: var(--phosphor) transparent;
}
.sidebar-nav::-webkit-scrollbar { width: 3px; }
.sidebar-nav::-webkit-scrollbar-track { background: transparent; }
.sidebar-nav::-webkit-scrollbar-thumb {
  background: transparent;
  border-radius: 2px;
  transition: background 0.3s;
}
.sidebar-nav:hover::-webkit-scrollbar-thumb { background: var(--phosphor); opacity: 0.4; }
.sidebar-link {
  font-family: var(--mono);
  font-size: 0.72rem;
  line-height: 1.5;
  color: var(--text-muted);
  text-decoration: none;
  padding: 5px 8px;
  display: block;
  transition: color 0.15s;
  border-left: 2px solid transparent;
}
.sidebar-link:hover { color: var(--phosphor); text-shadow: var(--glow-text); }
.sidebar-link.active {
  color: var(--phosphor);
  background: var(--a-bg);
  border-left-color: var(--phosphor);
  text-shadow: var(--glow-text);
}

/* Main article */
.writing-main {
  flex: 1;
  min-width: 0;
  padding-top: 48px;
  padding-bottom: 96px;
}
.writing-article { max-width: 680px; }

.article-img {
  width: 100%;
  aspect-ratio: 1.91 / 1;
  object-fit: cover;
  border: 1px solid var(--border);
  margin-bottom: 36px;
  display: block;
  filter: sepia(100%) hue-rotate(80deg) saturate(3) brightness(0.6);
  box-shadow: var(--glow-lo);
}
.article-header { margin-bottom: 40px; }
.article-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.article-bta-id {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--phosphor);
  opacity: 0.4;
  margin-right: 8px;
  letter-spacing: 0.04em;
}
.article-readtime {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-right: 4px;
}
.article-tag {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--phosphor);
  background: var(--a-bg);
  border: 1px solid var(--a-bdr);
  padding: 2px 8px;
  text-shadow: var(--glow-text);
}
.article-title {
  font-family: var(--display);
  font-size: 2rem;
  font-weight: normal;
  color: var(--phosphor);
  line-height: 1.2;
  margin-bottom: 10px;
  text-shadow: var(--glow-text);
}
.article-subtitle {
  font-family: var(--mono);
  font-size: 0.9rem;
  color: var(--text-muted);
  font-style: normal;
}

/* Article body */
.article-body {
  font-family: var(--mono);
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--text);
}
.article-body p { margin-bottom: 20px; }
.article-body h2 {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--phosphor);
  margin: 44px 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  text-shadow: var(--glow-text);
}
.article-body h2::before { content: '// '; color: var(--text-muted); }
.article-body strong { color: var(--phosphor); text-shadow: var(--glow-text); }
.article-body em { color: var(--text-muted); font-style: normal; }
.article-body blockquote {
  border-left: 3px solid var(--phosphor-dim);
  padding: 4px 20px;
  margin: 28px 0;
  color: var(--text-muted);
}
.article-body blockquote::before { content: '> '; color: var(--phosphor-dim); }
.article-body ul, .article-body ol { padding-left: 24px; margin-bottom: 20px; }
.article-body li { margin-bottom: 8px; }
.article-body li::marker { color: var(--phosphor); }

/* Prev / Next */
.article-nav {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  margin-top: 64px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}
.article-nav-link {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  text-decoration: none;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  max-width: 46%;
  transition: color 0.15s;
}
.article-nav-link:hover { color: var(--phosphor); text-shadow: var(--glow-text); }
.article-nav-next { margin-left: auto; text-align: right; }
.nav-dir { flex-shrink: 0; color: var(--phosphor); text-shadow: var(--glow-text); }

/* Share bar */
.share-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 48px;
  padding: 20px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.share-label {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  flex-shrink: 0;
}
.share-buttons { display: flex; gap: 8px; flex-wrap: wrap; }
.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 0.72rem;
  padding: 6px 12px;
  border-radius: 0;
  text-decoration: none;
  border: 1px solid var(--border);
  background: transparent;
  cursor: pointer;
  color: var(--text-muted);
  transition: color 0.15s, border-color 0.15s, text-shadow 0.15s;
  white-space: nowrap;
}
.share-btn:hover {
  color: var(--phosphor);
  border-color: var(--phosphor);
  text-shadow: var(--glow-text);
  box-shadow: var(--glow-lo);
}
.share-copy.copied {
  color: var(--phosphor);
  border-color: var(--phosphor);
  text-shadow: var(--glow-text);
}

/* Latest article block (home) */
.bta-latest {
  margin-top: 32px;
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  box-shadow: var(--glow-lo);
}
.bta-latest-label {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--phosphor);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 14px;
  text-shadow: var(--glow-text);
}
.bta-latest-title {
  font-family: var(--display);
  font-size: 1.4rem;
  font-weight: normal;
  margin-bottom: 6px;
  line-height: 1.2;
  text-shadow: var(--glow-text);
}
.bta-latest-title a { color: var(--phosphor); text-decoration: none; }
.bta-latest-title a:hover { text-shadow: var(--glow); }
.bta-latest-subtitle {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 12px;
  font-style: normal;
}
.bta-latest-summary {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--text);
  line-height: 1.7;
  margin-bottom: 16px;
  max-width: 680px;
}

/* Mobile */
@media (max-width: 768px) {
  .writing-layout { flex-direction: column; gap: 0; padding: 0 16px; }
  .writing-main  { order: 1; padding-top: 32px; }
  .writing-sidebar { order: 2; width: 100%; padding-top: 24px; }
  .sidebar-inner { position: static; }
  .sidebar-nav { flex-direction: row; flex-wrap: wrap; max-height: none; overflow: visible; }
  .sidebar-link { border-left: none; }
  .article-title { font-size: 1.6rem; }
  .share-buttons { flex-wrap: wrap; }
}

/* Terminal Cursor Easter Egg */
.terminal-link {
  text-decoration: none !important;
  color: var(--phosphor-lo);
  margin-left: 6px;
  font-family: var(--mono);
  transition: color 0.3s ease, text-shadow 0.3s ease;
  display: inline-block;
  vertical-align: middle;
}

.terminal-link:hover {
  color: var(--phosphor) !important;
  text-shadow: var(--glow-text);
}

.nav-terminal-toggle {
  margin-left: 10px;
  font-size: 14px;
  letter-spacing: -1px;
}

.cursor-blink {
  animation: crt-blink 1s step-end infinite;
  font-weight: bold;
}

@keyframes crt-blink {
  from, to { opacity: 1; }
  50% { opacity: 0; }
}