:root {
  --bg: #000;
  --fg: #fff;
  --glass: rgba(0,0,0,0.45);
  --accent: #d9a4ff;
}
[data-theme="light"] {
  --bg: #f6f6f6;
  --fg: #0b0b0b;
  --glass: rgba(255,255,255,0.7);
  --accent: #7a3cff;
}

html {
  scroll-behavior: smooth;
}

html, body {
  margin:0; padding:0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--fg);
  overflow-x: hidden;
}
canvas { position: fixed; inset:0; z-index:0; }

/* SKIP LINK */
.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  padding: 12px 24px;
  background: var(--accent);
  color: #000;
  border-radius: 0 0 8px 8px;
  z-index: 100;
  text-decoration: none;
  font-weight: 600;
  transition: top 0.2s;
}
.skip-link:focus {
  top: 0;
}

/* NAV */
nav {
  position: fixed; top:0; width:100%;
  padding: 14px 24px; display:flex; justify-content:space-between; align-items:center;
  backdrop-filter: blur(12px);
  background: var(--glass);
  z-index:10; box-sizing:border-box;
}
nav .logo { font-weight:700; letter-spacing:0.12em; white-space:nowrap; }
nav ul {
  display:flex; gap:12px; list-style:none; margin:0; padding:0; align-items:center; flex-wrap:wrap; justify-content:flex-end;
}
nav a {
  color: inherit;
  text-decoration: none;
  opacity: 0.75;
  white-space: nowrap;
  transition: opacity 0.2s;
}
nav a:hover, nav a:focus-visible { opacity:1; }
button.toggle {
  background:none; border:1px solid currentColor; color:inherit; padding:6px 12px; border-radius:999px;
  cursor:pointer; font-size:0.75rem;
}
button.toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* SECTIONS */
section { min-height:100vh; padding:140px 24px 80px; display:flex; align-items:center; justify-content:center; text-align:center; position:relative; z-index:1; background: rgba(0,0,0,0.55); backdrop-filter: blur(2px); }
#home { background: rgba(0,0,0,0.3); backdrop-filter: none; }
[data-theme="light"] section { background: rgba(246,246,246,0.82); }
[data-theme="light"] #home { background: rgba(246,246,246,0.5); }
.container { max-width:960px; }
h1 { font-size:clamp(2.6rem,5vw,4.4rem); margin-bottom:0.6rem; }
h2 { font-weight:400; opacity:0.75; margin-bottom:2.2rem; }
p { line-height:1.7; opacity:0.85; }
.cta {
  display:inline-block; margin-top:3rem; padding:14px 36px; border-radius:999px;
  border:1px solid currentColor; text-decoration:none; color:inherit; transition:0.2s all;
}
.cta:hover { background: rgba(255,255,255,0.15); transform:translateY(-2px); }
.cta:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* PROJECTS */
.projects {
  display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:28px; margin-top:56px;
}
.card {
  padding:28px; background: rgba(255,255,255,0.06); border-radius:20px; border:1px solid rgba(255,255,255,0.15);
  text-align:left; backdrop-filter: blur(8px); transition: transform 0.25s, opacity 0.4s; opacity:0; transform:translateY(20px);
}
.card.visible { opacity:1; transform:translateY(0); }
.card:hover { transform:translateY(-6px); }
.card h3 { margin: 0 0 12px 0; font-size: 1.2rem; }
.card p { margin: 0 0 16px 0; font-size: 0.95rem; }
.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
}
.card-tags span {
  padding: 4px 10px;
  background: rgba(255,255,255,0.08);
  border-radius: 4px;
  font-size: 0.75rem;
  font-family: 'SF Mono', 'Fira Code', monospace;
  opacity: 0.7;
}

/* BLOG CARDS */
.blog-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(280px,1fr)); gap:28px; margin-top:32px; }
.blog-card {
  display:flex; flex-direction:column; justify-content:space-between; padding:28px; border-radius:20px;
  background: rgba(255,255,255,0.06); border:1px solid rgba(255,255,255,0.15); backdrop-filter: blur(8px);
  text-decoration:none; color:inherit; transition: transform 0.25s, opacity 0.4s, box-shadow 0.25s;
}
.blog-card:hover { transform:translateY(-6px); box-shadow: 0 12px 32px rgba(0,0,0,0.5); }
.blog-card:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.blog-card h3 { margin:0 0 0.6rem 0; font-size:1.3rem; }
.blog-card p { margin:0 0 1rem 0; opacity:0.85; line-height:1.6; }
.blog-card span { font-weight:600; color:var(--accent); align-self:flex-end; }
.blog-meta { font-size:0.85rem; opacity:0.6; margin-bottom:1rem; }

footer { text-align:center; padding:48px 20px; opacity:0.6; position:relative; z-index:1; }

/* HERO ENHANCEMENTS */
.hero-label {
  font-size: 0.9rem;
  letter-spacing: 0.15em;
  opacity: 0.7;
  margin-bottom: 1rem;
}
.hero-label code {
  font-family: 'SF Mono', 'Fira Code', 'Courier New', monospace;
  color: #00ffaa;
  background: none;
  padding: 0;
  font-size: 0.85rem;
}
[data-theme="light"] .hero-label code {
  color: #059669;
}
.hero-title {
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 1.2rem;
}
.hero-sub {
  font-size: 1.15rem;
  opacity: 0.8;
  line-height: 1.6;
  max-width: 540px;
  margin: 0 auto;
}
.hero-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  margin-top: 48px;
  flex-wrap: wrap;
}
.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.stat-num {
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--accent);
}
.stat-label {
  font-size: 0.85rem;
  opacity: 0.7;
  margin-top: 4px;
}

/* ABOUT ENHANCEMENTS */
.about-content {
  text-align: left;
  max-width: 720px;
  margin: 0 auto;
}
.about-lead {
  font-size: 1.3rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
  opacity: 0.95;
}
.about-focus {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
  margin-top: 40px;
}
.focus-item {
  padding: 20px;
  background: rgba(255,255,255,0.04);
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.08);
}
.focus-item h3 {
  font-size: 1rem;
  margin: 0 0 8px 0;
  color: var(--accent);
}
.focus-item p {
  font-size: 0.9rem;
  margin: 0;
  opacity: 0.75;
}

/* SKILLS SECTION */
#skills { text-align: left; }
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px;
  margin-top: 40px;
}
.skill-category h3 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  opacity: 0.6;
  margin-bottom: 12px;
}
.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.skill-tag {
  padding: 6px 14px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 999px;
  font-size: 0.9rem;
  font-family: 'SF Mono', 'Fira Code', monospace;
}

/* CASE STUDY ENHANCEMENTS */
.case-studies {
  display: grid;
  gap: 32px;
  margin-top: 48px;
}
.case-study {
  padding: 32px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 16px;
  text-align: left;
  background: rgba(255,255,255,0.03);
}
.case-study h3 {
  font-size: 1.3rem;
  margin: 0 0 20px 0;
  color: var(--accent);
}
.case-study-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
}
.case-study-item h4 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  opacity: 0.6;
  margin: 0 0 8px 0;
}
.case-study-item p {
  margin: 0;
  font-size: 0.95rem;
}
.case-study-metrics {
  display: flex;
  gap: 32px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
  flex-wrap: wrap;
}
.metric {
  text-align: center;
}
.metric-value {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
}
.metric-label {
  font-size: 0.8rem;
  opacity: 0.7;
}

/* FUN SECTION */
.fun-section {
  border-top: 1px dashed rgba(255,255,255,0.2);
  margin-top: 60px;
  padding-top: 60px;
}
.fun-header {
  text-align: center;
  margin-bottom: 32px;
}
.fun-header p {
  opacity: 0.6;
  font-size: 0.95rem;
}
.fun-links {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.fun-links .cta {
  font-size: 0.9rem;
  padding: 12px 24px;
  margin-top: 0;
}

/* SECTION INTRO */
.section-intro {
  opacity: 0.7;
  font-size: 1.05rem;
  margin-bottom: 24px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* DETAILS STYLING */
details summary {
  list-style: none;
  cursor: pointer;
  font-size: 1.1rem;
  font-weight: 600;
  padding: 16px 0;
  border-top: 1px solid rgba(255,255,255,0.1);
}
details summary::-webkit-details-marker {
  display: none;
}
details[open] summary {
  margin-bottom: 24px;
}
details summary .hint {
  opacity: 0.6;
  font-weight: normal;
}

/* ENDPOINT CARDS */
.endpoint-cards {
  display: flex;
  flex-direction: column;
  gap: 32px;
  margin-top: 24px;
  text-align: left;
}
.endpoint-card {
  padding: 24px;
  border-radius: 16px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.15);
  backdrop-filter: blur(8px);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.endpoint-card input, .endpoint-card select {
  width: 100%;
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.3);
  background: rgba(255,255,255,0.05);
  color: var(--fg);
  font-size: 0.95rem;
  transition: 0.2s all;
}
.endpoint-card input:focus, .endpoint-card select:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(255,255,255,0.1);
}
.endpoint-card button {
  margin-top: 8px;
  padding: 10px;
  border-radius: 999px;
  background: var(--accent);
  font-weight: 600;
  color: var(--fg);
  border: none;
  cursor: pointer;
  transition: 0.2s all;
}
.endpoint-card button:hover {
  transform: translateY(-2px);
  opacity: 0.9;
}
.endpoint-card button:focus-visible {
  outline: 2px solid var(--fg);
  outline-offset: 2px;
}
.endpoint-card pre {
  margin-top: 8px;
  background: rgba(255,255,255,0.05);
  padding: 12px;
  border-radius: 8px;
  font-size: 0.95rem;
  overflow-x: auto;
  color: var(--fg);
}
.endpoint-card h2 { margin:0; font-size:1.3rem; }
.endpoint-card p { margin:0.3em 0 0.8em 0; opacity:0.85; }

/* CONTACT */
.contact-links {
  display: flex;
  gap: 32px;
  justify-content: center;
  align-items: center;
}
.contact-links a {
  color: inherit;
  transition: opacity 0.2s;
}
.contact-links a:hover { opacity: 0.7; }
.contact-links a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  border-radius: 4px;
}

/* MODEL CARD */
.model-card {
  max-width: 640px;
  margin: 0 auto 32px;
  padding: 28px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 16px;
  backdrop-filter: blur(8px);
  text-align: left;
}
.model-card-title {
  font-family: 'SF Mono', 'Fira Code', 'Courier New', monospace;
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0 0 20px 0;
  color: var(--accent);
  opacity: 1;
}
.model-card-fields {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px 20px;
  margin: 0;
}
.model-card-fields dt {
  font-family: 'SF Mono', 'Fira Code', 'Courier New', monospace;
  font-size: 0.8rem;
  opacity: 0.5;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding-top: 2px;
}
.model-card-fields dd {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.6;
}
.model-card-fields code {
  font-family: 'SF Mono', 'Fira Code', 'Courier New', monospace;
  font-size: 0.85rem;
  background: rgba(255,255,255,0.06);
  padding: 2px 6px;
  border-radius: 4px;
}

/* ABOUT PERSONAL */
.about-personal {
  max-width: 640px;
  margin: 32px auto 0;
  text-align: left;
}
.about-personal p {
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 1.2rem;
}
.about-personal p:first-child {
  font-size: 1.15rem;
}

/* BELIEFS */
.beliefs {
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
  text-align: left;
}
.beliefs blockquote {
  margin: 0;
  padding: 16px 0 16px 24px;
  border-left: 3px solid var(--accent);
  font-size: 1.15rem;
  font-style: italic;
  line-height: 1.6;
  opacity: 0.9;
}

/* CASE STUDY NARRATIVE */
.case-study-narrative {
  text-align: left;
  margin-bottom: 24px;
}
.case-study-narrative p {
  font-size: 1.0rem;
  line-height: 1.8;
  margin-bottom: 1rem;
}

/* CASE STUDY LEAD */
.case-study-lead {
  font-style: italic;
  opacity: 0.7;
  margin: -12px 0 20px 0;
  font-size: 1.05rem;
}

/* LOSS CURVE */
.loss-curve-container {
  margin-top: 64px;
  padding-top: 48px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.loss-curve {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  display: block;
  height: auto;
}
.loss-path {
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
  transition: stroke-dashoffset 2s ease-out;
}
.loss-curve.visible .loss-path {
  stroke-dashoffset: 0;
}

/* PROJECT SCALE BADGE */
.card-scale {
  display: inline-block;
  font-family: 'SF Mono', 'Fira Code', 'Courier New', monospace;
  font-size: 0.75rem;
  padding: 4px 10px;
  background: rgba(217,164,255,0.15);
  border: 1px solid rgba(217,164,255,0.3);
  border-radius: 999px;
  color: var(--accent);
  margin-bottom: 12px;
  width: fit-content;
}

/* EXPERIMENT CARDS */
.experiments-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}
.experiment-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 32px 24px;
  border-radius: 16px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.12);
  text-decoration: none;
  color: inherit;
  transition: transform 0.25s, border-color 0.25s;
}
.experiment-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
}
.experiment-card:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.experiment-icon {
  font-size: 2.4rem;
  margin-bottom: 12px;
  opacity: 0.8;
}
.experiment-card h3 {
  margin: 0 0 8px 0;
  font-size: 1.1rem;
}
.experiment-card p {
  margin: 0;
  font-size: 0.85rem;
  opacity: 0.6;
}

/* SHOW MORE BUTTON */
.show-more-btn {
  display: block;
  margin: 32px auto 0;
  padding: 12px 32px;
  background: none;
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--fg);
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: 0.2s all;
}
.show-more-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.show-more-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.endpoint-cards-hidden {
  display: none;
}
.endpoint-cards-hidden.visible {
  display: flex;
}

/* CONTACT ENHANCED */
.contact-intro {
  max-width: 540px;
  margin: 0 auto 32px;
  font-size: 1.05rem;
  opacity: 0.75;
  line-height: 1.7;
}
.contact-links a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}
.contact-label {
  font-size: 0.8rem;
  opacity: 0.6;
}

/* STATUS BAR FOOTER */
.status-bar {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  font-family: 'SF Mono', 'Fira Code', 'Courier New', monospace;
  font-size: 0.75rem;
  opacity: 0.5;
}
.status-deployed {
  color: #00ffaa;
}
[data-theme="light"] .status-deployed {
  color: #059669;
}

/* SECTION LOADING TEXT */
.loading-text {
  font-family: 'SF Mono', 'Fira Code', 'Courier New', monospace;
  font-size: 0.85rem;
  color: var(--accent);
  opacity: 0.6;
  text-align: center;
  margin-bottom: 16px;
}
.loading-text::after {
  content: '|';
  animation: blink 0.7s step-end infinite;
}
@keyframes blink {
  50% { opacity: 0; }
}

/* KONAMI OVERLAY */
.konami-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.95);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-family: 'SF Mono', 'Fira Code', 'Courier New', monospace;
  color: #00ffaa;
  font-size: 1.2rem;
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}
.konami-overlay.active {
  opacity: 1;
  pointer-events: auto;
}
.konami-toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--accent);
  color: #000;
  padding: 12px 24px;
  border-radius: 12px;
  font-size: 0.9rem;
  font-weight: 600;
  z-index: 1001;
  transition: transform 0.4s ease-out;
  pointer-events: none;
}
.konami-toast.visible {
  transform: translateX(-50%) translateY(0);
}

/* MATRIX CANVAS */
.matrix-canvas {
  position: fixed;
  inset: 0;
  z-index: 999;
  pointer-events: none;
}

/* EGG HINT */
.egg-hint {
  font-family: 'SF Mono', 'Fira Code', 'Courier New', monospace;
  font-size: 0.7rem;
  opacity: 0.25;
  cursor: default;
  transition: opacity 0.3s;
}
.egg-hint:hover {
  opacity: 0.6;
}
.egg-counter {
  color: var(--accent);
  opacity: 0;
  transition: opacity 0.3s;
}

/* CHAOS TOGGLE */
.chaos-toggle {
  background: none;
  border: none;
  color: inherit;
  cursor: pointer;
  opacity: 0.4;
  transition: opacity 0.2s;
  font-size: 0.75rem;
  padding: 4px 8px;
}
.chaos-toggle:hover { opacity: 0.8; }
.chaos-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  opacity: 0.8;
}

/* RESPONSIVE */
@media(max-width:640px){
  nav{padding:10px 14px;}
  section{padding-top:120px;}
  .hero-stats { gap: 24px; }
  .stat-num { font-size: 1.8rem; }
  .case-study-metrics { gap: 20px; }
}

/* REDUCED MOTION */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .card { opacity: 1; transform: none; }
  .card:hover { transform: none; }
  .blog-card:hover { transform: none; }
  .cta:hover { transform: none; }
  .endpoint-card button:hover { transform: none; }
}