/* ============================================================
   FINANCE-RL PORTFOLIO — Terminal/Hacker Aesthetic
   ============================================================ */

/* --- Design Tokens --- */
:root {
  --bg-primary:     #0a0a0a;
  --bg-secondary:   #0f0f0f;
  --bg-elevated:    #141414;
  --bg-card:        #0d0d0d;
  --terminal-green: #00ff41;
  --terminal-dim:   #00cc33;
  --terminal-muted: #007a1f;
  --terminal-dark:  #004d14;
  --amber:          #ffb000;
  --red-term:       #ff3333;
  --blue-term:      #0088ff;
  --purple-term:    #cc44ff;
  --white-term:     #c8c8c8;
  --white-bright:   #e8e8e8;
  --font-mono:      'Courier New', 'Lucida Console', 'Consolas', monospace;
  --glow-green:     0 0 8px #00ff41, 0 0 20px rgba(0,255,65,0.3);
  --glow-text:      0 0 6px rgba(0,255,65,0.7);
  --glow-subtle:    0 0 4px rgba(0,255,65,0.4);
  --border-color:   #1a1a1a;
  --section-pad:    6rem 0;
}

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

html {
  scroll-behavior: smooth;
  font-size: 17px;
}

/* --- Base --- */
body {
  background-color: var(--bg-primary);
  color: var(--white-term);
  font-family: var(--font-mono);
  line-height: 1.65;
  overflow-x: hidden;
  min-height: 100vh;
}

/* --- CRT Animations --- */
@keyframes crt-flicker {
  0%, 91%, 95%, 100% { opacity: 1; }
  92%, 94%            { opacity: 0.97; }
  93%                 { opacity: 0.99; }
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

@keyframes blink-slow {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

@keyframes fade-in {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes slide-up {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes glow-pulse {
  0%, 100% { text-shadow: var(--glow-text); }
  50%       { text-shadow: 0 0 12px rgba(0,255,65,0.9), 0 0 24px rgba(0,255,65,0.4); }
}

@keyframes scroll-bounce {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(6px); }
}

body { animation: crt-flicker 10s infinite; }

/* --- CRT Overlays (purely decorative) --- */
.scanlines {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 9999;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.07) 2px,
    rgba(0, 0, 0, 0.07) 4px
  );
}

.crt-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 9998;
  background: radial-gradient(
    ellipse at center,
    transparent 55%,
    rgba(0, 0, 0, 0.55) 100%
  );
}

/* --- Utility --- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: var(--section-pad);
  border-bottom: 1px solid var(--bg-elevated);
}

.section-title {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  color: var(--terminal-green);
  text-shadow: var(--glow-text);
  margin-bottom: 0.75rem;
  letter-spacing: 0.02em;
  text-align: center;
}

.section-title::before {
  content: '## ';
  color: var(--terminal-muted);
  opacity: 0.7;
}

.section-desc {
  color: var(--white-term);
  opacity: 0.75;
  margin-bottom: 2rem;
  font-size: 0.88rem;
  text-align: center;
}

.prompt-sym  { color: var(--terminal-green); margin-right: 0.4rem; }
.prompt-arrow { color: var(--terminal-dim); margin-right: 0.4rem; }
.term-green  { color: var(--terminal-green); }
.term-amber  { color: var(--amber); }
.term-muted  { color: var(--terminal-muted); }
.term-red    { color: var(--red-term); }

/* Blinking cursor element */
.cursor {
  display: inline-block;
  width: 0.6em;
  height: 1.1em;
  background: var(--terminal-green);
  animation: blink 1s step-end infinite;
  vertical-align: text-bottom;
  box-shadow: var(--glow-green);
  margin-left: 2px;
}

.blinking-cursor {
  animation: blink-slow 1.2s step-end infinite;
  color: var(--terminal-green);
}

.blink-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--terminal-green);
  border-radius: 50%;
  animation: blink 1.5s ease infinite;
  box-shadow: var(--glow-green);
  margin-right: 6px;
  vertical-align: middle;
}

/* --- Navigation --- */
.terminal-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.96);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--terminal-dark);
  padding: 0.85rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  color: var(--terminal-green);
  font-size: 0.95rem;
  font-weight: bold;
  text-shadow: var(--glow-text);
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0;
}

.nav-links a {
  color: var(--white-term);
  text-decoration: none;
  font-size: 0.88rem;
  padding: 0.25rem 0.75rem;
  transition: color 0.2s, text-shadow 0.2s;
  opacity: 0.8;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--terminal-green);
  text-shadow: var(--glow-text);
  opacity: 1;
}

.nav-links .nav-github {
  color: var(--terminal-green);
  border: 1px solid var(--terminal-muted);
  margin-left: 0.5rem;
  opacity: 1;
  transition: background 0.2s, box-shadow 0.2s;
}

.nav-links .nav-github:hover {
  background: rgba(0,255,65,0.1);
  box-shadow: var(--glow-subtle);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--terminal-green);
  transition: all 0.3s;
}

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 5rem 8% 3rem;
  position: relative;
  overflow: hidden;
  text-align: center;
}

#matrix-canvas {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  opacity: 0.07;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 820px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  animation: slide-up 0.8s ease both;
}

.hero-tag {
  color: var(--terminal-muted);
  font-size: 0.8rem;
  margin-bottom: 1rem;
  opacity: 0.9;
  letter-spacing: 0.05em;
}

.hero-title {
  font-family: var(--font-mono);
  font-size: clamp(1.8rem, 4.5vw, 3.4rem);
  line-height: 1.25;
  color: var(--terminal-green);
  text-shadow: var(--glow-text);
  margin-bottom: 1.25rem;
  min-height: 2.5em;
  animation: glow-pulse 4s ease-in-out infinite;
}

.hero-subtitle {
  color: var(--white-term);
  font-size: 0.92rem;
  max-width: 580px;
  margin-bottom: 2rem;
  opacity: 0.8;
  min-height: 1.5em;
  text-align: center;
}

/* Hero terminal window */
.hero-terminal {
  margin-bottom: 2rem;
  max-width: 640px;
}

.terminal-window {
  background: var(--bg-secondary);
  border: 1px solid var(--terminal-dark);
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0,0,0,0.5), 0 0 0 1px rgba(0,255,65,0.05);
}

.terminal-titlebar {
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--terminal-dark);
  padding: 0.5rem 0.75rem;
  display: flex;
  align-items: center;
  gap: 6px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.dot-red   { background: #ff5f57; }
.dot-amber { background: #febc2e; }
.dot-green { background: #28c840; }

.terminal-title {
  color: var(--terminal-muted);
  font-size: 0.72rem;
  margin-left: 0.5rem;
  letter-spacing: 0.04em;
}

.terminal-body-inner {
  padding: 1rem 1.25rem;
  font-size: 0.88rem;
  line-height: 1.7;
  min-height: 140px;
  max-height: 260px;
  overflow-y: auto;
  color: var(--white-term);
}

/* Scrollbar in terminal */
.terminal-body-inner::-webkit-scrollbar { width: 4px; }
.terminal-body-inner::-webkit-scrollbar-track { background: var(--bg-secondary); }
.terminal-body-inner::-webkit-scrollbar-thumb { background: var(--terminal-muted); }

/* Boot sequence lines */
.boot-line {
  display: block;
  animation: fade-in 0.3s ease both;
  margin-bottom: 2px;
}
.boot-green { color: var(--terminal-green); }
.boot-dim   { color: var(--terminal-dim); opacity: 0.7; }
.boot-amber { color: var(--amber); }
.boot-white { color: var(--white-term); }

/* Hero CTA buttons */
.hero-cta {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
  justify-content: center;
}

.btn {
  font-family: var(--font-mono);
  font-size: 0.92rem;
  padding: 0.6rem 1.3rem;
  text-decoration: none;
  border: 1px solid;
  cursor: pointer;
  transition: all 0.2s;
  letter-spacing: 0.03em;
  border-radius: 2px;
  display: inline-block;
}

.btn-primary {
  background: var(--terminal-green);
  color: var(--bg-primary);
  border-color: var(--terminal-green);
  box-shadow: var(--glow-green);
  font-weight: bold;
}

.btn-primary:hover {
  background: transparent;
  color: var(--terminal-green);
  box-shadow: var(--glow-green);
}

.btn-ghost {
  background: transparent;
  color: var(--terminal-dim);
  border-color: var(--terminal-muted);
}

.btn-ghost:hover {
  border-color: var(--terminal-green);
  color: var(--terminal-green);
  box-shadow: var(--glow-subtle);
}

/* Hero stats row */
.hero-stats {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  justify-content: center;
}

.hero-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero-stat .stat-num {
  font-size: 2rem;
  color: var(--terminal-green);
  text-shadow: var(--glow-text);
  font-weight: bold;
  line-height: 1;
}

.hero-stat .stat-label {
  font-size: 0.68rem;
  color: var(--terminal-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 0.25rem;
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: var(--terminal-muted);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  z-index: 1;
}

.scroll-arrow {
  width: 14px;
  height: 14px;
  border-right: 2px solid var(--terminal-muted);
  border-bottom: 2px solid var(--terminal-muted);
  transform: rotate(45deg);
  animation: scroll-bounce 1.5s ease infinite;
}

/* --- About Section --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.term-line {
  color: var(--white-term);
  margin-bottom: 2px;
}

.term-output {
  color: var(--white-term);
  opacity: 0.85;
  padding-left: 1rem;
  margin-bottom: 2px;
  font-size: 0.9rem;
}

.term-list {
  list-style: none;
  padding-left: 1rem;
}

.term-list li {
  color: var(--white-term);
  opacity: 0.85;
  font-size: 0.9rem;
  margin-bottom: 4px;
}

/* --- Skills Section --- */
.skills-categories {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.skill-category {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.skill-cat-label {
  font-size: 0.78rem;
  color: var(--terminal-muted);
  margin-bottom: 0.75rem;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--bg-elevated);
  padding-bottom: 0.5rem;
}

.skill-item {
  background: var(--bg-secondary);
  border: 1px solid var(--bg-elevated);
  padding: 0.6rem 0.85rem;
  transition: border-color 0.2s;
}

.skill-item:hover {
  border-color: var(--terminal-dark);
}

.skill-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.4rem;
}

.skill-name {
  font-size: 0.9rem;
  color: var(--white-term);
}

.skill-pct {
  font-size: 0.68rem;
  color: var(--terminal-muted);
}

.skill-bar-wrap {
  height: 2px;
  background: var(--bg-elevated);
  border-radius: 1px;
  overflow: hidden;
}

.skill-bar {
  height: 100%;
  background: var(--terminal-green);
  box-shadow: 0 0 4px var(--terminal-green);
  width: 0%;
  transition: width 1.4s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 1px;
}

/* --- Experiments Section --- */
.filter-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 1rem 1.25rem;
  background: var(--bg-secondary);
  border: 1px solid var(--bg-elevated);
  margin-bottom: 1rem;
  font-size: 0.78rem;
}

.filter-label {
  color: var(--terminal-muted);
  white-space: nowrap;
  font-size: 0.75rem;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  flex-wrap: wrap;
}

.filter-group-label {
  color: var(--terminal-muted);
  font-size: 0.7rem;
  white-space: nowrap;
}

.filter-separator {
  color: var(--terminal-dark);
  padding: 0 0.25rem;
}

.filter-btn {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 0.25rem 0.65rem;
  background: transparent;
  border: 1px solid var(--bg-elevated);
  color: var(--white-term);
  cursor: pointer;
  transition: all 0.15s;
  border-radius: 1px;
  letter-spacing: 0.02em;
}

.filter-btn:hover {
  border-color: var(--terminal-dim);
  color: var(--terminal-green);
}

.filter-btn.active {
  border-color: var(--terminal-green);
  color: var(--terminal-green);
  background: rgba(0,255,65,0.07);
  box-shadow: var(--glow-subtle);
}

.filter-status {
  font-size: 0.75rem;
  color: var(--terminal-muted);
  margin-bottom: 1.5rem;
}

.filter-status #exp-count {
  color: var(--terminal-green);
  font-weight: bold;
}

/* Experiment Cards Grid */
.experiments-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1rem;
}

.exp-card {
  background: var(--bg-card);
  border: 1px solid var(--bg-elevated);
  padding: 1.25rem;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
  position: relative;
  border-radius: 2px;
}

/* Corner bracket decoration */
.exp-card::before {
  content: '';
  position: absolute;
  top: -1px; left: -1px;
  width: 14px; height: 14px;
  border-top: 2px solid var(--terminal-muted);
  border-left: 2px solid var(--terminal-muted);
  transition: border-color 0.2s;
}

.exp-card:hover {
  border-color: var(--terminal-muted);
  box-shadow: 0 0 16px rgba(0,255,65,0.1), inset 0 0 30px rgba(0,255,65,0.02);
  transform: translateY(-2px);
}

.exp-card:hover::before {
  border-color: var(--terminal-green);
}

.exp-id {
  color: var(--terminal-dark);
  font-size: 0.65rem;
  margin-bottom: 0.5rem;
  letter-spacing: 0.08em;
}

.exp-name {
  color: var(--terminal-green);
  font-size: 0.92rem;
  font-weight: bold;
  margin-bottom: 0.75rem;
  line-height: 1.4;
  text-shadow: var(--glow-subtle);
}

.exp-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-bottom: 0.75rem;
}

.exp-desc {
  color: var(--white-term);
  font-size: 0.85rem;
  line-height: 1.6;
  opacity: 0.75;
  margin-bottom: 1rem;
}

.exp-link {
  display: inline-block;
  color: var(--terminal-dim);
  font-size: 0.72rem;
  text-decoration: none;
  border: 1px solid var(--terminal-dark);
  padding: 0.25rem 0.65rem;
  transition: all 0.2s;
  border-radius: 1px;
}

.exp-link:hover {
  background: var(--terminal-green);
  color: var(--bg-primary);
  border-color: var(--terminal-green);
  box-shadow: var(--glow-green);
}

.no-results {
  text-align: center;
  padding: 3rem;
  color: var(--terminal-muted);
  font-size: 0.85rem;
}

/* --- Tags --- */
.tag {
  font-size: 0.75rem;
  padding: 0.18rem 0.5rem;
  border: 1px solid;
  border-radius: 1px;
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.tag-arch     { border-color: var(--blue-term);    color: var(--blue-term); }
.tag-algo     { border-color: var(--amber);         color: var(--amber); }
.tag-reward   { border-color: var(--terminal-dim); color: var(--terminal-dim); }
.tag-strategy { border-color: var(--purple-term);  color: var(--purple-term); }

/* Badge tags */
.tag-badge         { border-color: var(--white-term); color: var(--white-term); opacity: 0.6; }
.tag-baseline      { border-color: #888; color: #888; }
.tag-ppo           { border-color: var(--amber); color: var(--amber); }
.tag-advanced      { border-color: var(--terminal-green); color: var(--terminal-green); }
.tag-hybrid        { border-color: var(--blue-term); color: var(--blue-term); }
.tag-ablation      { border-color: var(--purple-term); color: var(--purple-term); }
.tag-research      { border-color: var(--red-term); color: var(--red-term); }
.tag-risk-adjusted { border-color: var(--amber); color: var(--amber); }

/* --- Results / Charts Section --- */
.results-table-wrap {
  overflow-x: auto;
  margin-bottom: 2rem;
  border: 1px solid var(--bg-elevated);
}

.terminal-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  min-width: 600px;
}

.terminal-table thead {
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--terminal-dark);
}

.terminal-table th {
  padding: 0.65rem 1rem;
  text-align: left;
  color: var(--terminal-green);
  font-weight: normal;
  letter-spacing: 0.04em;
  text-transform: lowercase;
  white-space: nowrap;
}

.terminal-table th::before {
  content: '# ';
  color: var(--terminal-muted);
  opacity: 0.6;
}

.terminal-table td {
  padding: 0.55rem 1rem;
  border-bottom: 1px solid var(--bg-elevated);
  color: var(--white-term);
  vertical-align: middle;
}

.terminal-table tbody tr {
  transition: background 0.15s;
}

.terminal-table tbody tr:hover {
  background: rgba(0,255,65,0.03);
}

.exp-id-cell {
  color: var(--terminal-muted);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
}

.arch-comparison {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}

.arch-card {
  background: var(--bg-secondary);
  border: 1px solid var(--bg-elevated);
  padding: 1.25rem;
  border-radius: 2px;
  transition: border-color 0.2s;
}

.arch-card:hover {
  border-color: var(--terminal-muted);
}

.arch-card--featured {
  border-color: var(--terminal-dark);
  box-shadow: 0 0 12px rgba(0,255,65,0.08);
}

.arch-title {
  color: var(--terminal-green);
  font-size: 1rem;
  font-weight: bold;
  margin-bottom: 0.75rem;
  text-shadow: var(--glow-subtle);
}

.arch-desc {
  color: var(--white-term);
  font-size: 0.85rem;
  opacity: 0.75;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.arch-count {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
}

.count-num {
  font-size: 1.5rem;
  color: var(--terminal-green);
  text-shadow: var(--glow-text);
}

.count-label {
  font-size: 0.68rem;
  color: var(--terminal-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.help-text {
  font-size: 0.75rem;
  color: var(--terminal-muted);
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border-left: 2px solid var(--terminal-dark);
}

.help-text code {
  color: var(--terminal-dim);
  background: var(--bg-elevated);
  padding: 0.1rem 0.35rem;
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

/* --- GitHub Stats Section --- */
.stats-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.stat-block {
  background: var(--bg-secondary);
  border: 1px solid var(--bg-elevated);
  padding: 1.25rem;
  border-radius: 2px;
}

.stat-block--wide {
  grid-column: span 2;
}

.stat-block-label {
  font-size: 0.72rem;
  color: var(--terminal-muted);
  margin-bottom: 0.85rem;
  letter-spacing: 0.05em;
}

.badges-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: center;
}

.badges-row img {
  border-radius: 2px;
}

.github-stats-card {
  display: flex;
  justify-content: flex-start;
}

.github-stats-card img {
  max-width: 100%;
  border-radius: 2px;
}

/* --- Footer --- */
.terminal-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--terminal-dark);
  padding: 1.5rem 0;
  margin-top: auto;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.72rem;
  margin-bottom: 0.5rem;
}

.footer-left { color: var(--white-term); opacity: 0.6; }
.footer-center { color: var(--terminal-muted); }
.footer-right a {
  color: var(--terminal-dim);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-right a:hover { color: var(--terminal-green); }

.footer-tagline {
  text-align: center;
  font-size: 0.65rem;
  color: var(--terminal-dark);
  letter-spacing: 0.06em;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr;
  }

  .skills-categories {
    grid-template-columns: 1fr;
  }

  .arch-comparison {
    grid-template-columns: 1fr;
  }

  .stats-layout {
    grid-template-columns: 1fr;
  }

  .stat-block--wide {
    grid-column: span 1;
  }
}

@media (max-width: 768px) {
  :root {
    --section-pad: 4rem 0;
  }

  .terminal-nav {
    padding: 0.75rem 1.25rem;
    flex-wrap: wrap;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: 0;
    padding-top: 0.75rem;
    border-top: 1px solid var(--terminal-dark);
    margin-top: 0.75rem;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--bg-elevated);
    font-size: 0.85rem;
  }

  .hero {
    padding: 3.5rem 5% 3rem;
  }

  .hero-stats {
    gap: 1rem;
  }

  .hero-stat .stat-num {
    font-size: 1.5rem;
  }

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

  .filter-bar {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .container {
    padding: 0 1.25rem;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.6rem;
  }

  .hero-cta {
    flex-direction: column;
  }

  .btn {
    text-align: center;
  }
}

/* ============================================================
   ACCESSIBILITY — Reduced Motion
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  body { animation: none; }
  .cursor { animation: none; opacity: 1; }
  .blinking-cursor { animation: none; }
  .blink-dot { animation: none; opacity: 1; }
  .scroll-indicator { display: none; }
  .skill-bar { transition: none; }
}