/* ── FONTS ── */
@font-face {
  font-family: 'Orbitron';
  font-style: normal;
  font-weight: 400 900;
  font-display: swap;
  src: url('/fonts/orbitron-latin.woff2') format('woff2');
}
@font-face {
  font-family: 'Rajdhani';
  font-style: normal;
  font-weight: 300;
  font-display: swap;
  src: url('/fonts/rajdhani-300-latin.woff2') format('woff2');
}
@font-face {
  font-family: 'Rajdhani';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/fonts/rajdhani-400-latin.woff2') format('woff2');
}
@font-face {
  font-family: 'Rajdhani';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('/fonts/rajdhani-500-latin.woff2') format('woff2');
}
@font-face {
  font-family: 'Rajdhani';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('/fonts/rajdhani-600-latin.woff2') format('woff2');
}
@font-face {
  font-family: 'Rajdhani';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('/fonts/rajdhani-700-latin.woff2') format('woff2');
}
@font-face {
  font-family: 'Share Tech Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/fonts/share-tech-mono-latin.woff2') format('woff2');
}

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

:root {
  --cyan: #00f0ff;
  --cyan-dim: #00f0ff44;
  --cyan-glow: #00f0ff88;
  --magenta: #ff00aa;
  --magenta-dim: #ff00aa44;
  --amber: #ffaa00;
  --amber-dim: #ffaa0044;
  --bg: #050510;
  --panel-bg: rgba(5, 5, 20, 0.75);
  --panel-border: rgba(0, 240, 255, 0.15);
  --text: #c8d8e8;
  --text-bright: #eef4ff;
  --text-dim: #8899aa;
  --font-display: 'Orbitron', monospace;
  --font-body: 'Rajdhani', sans-serif;
  --font-mono: 'Share Tech Mono', monospace;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
}

canvas#bg {
  position: fixed; top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
}
canvas#fx {
  position: fixed; top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 2;
  pointer-events: none;
}
.scanlines {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  z-index: 999; pointer-events: none;
  background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0,0,0,0.03) 2px, rgba(0,0,0,0.03) 4px);
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--cyan-dim); border-radius: 2px; }

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; justify-content: space-between; align-items: center;
  padding: 1rem 2rem;
  background: rgba(5,5,16,0.6);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--panel-border);
}
nav .logo {
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 4px;
  color: var(--cyan);
  text-transform: uppercase;
  text-decoration: none;
}
nav .logo span { color: var(--magenta); }
nav ul { list-style: none; display: flex; gap: 2rem; }
nav a {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text);
  text-decoration: none;
  transition: color 0.3s, text-shadow 0.3s;
}
nav a:hover {
  color: var(--cyan);
  text-shadow: 0 0 12px var(--cyan-glow);
}

/* ── SECTIONS ── */
section {
  position: relative; z-index: 1;
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding: 6rem 2rem;
}
section.auto-height { min-height: auto; }

/* ── PANELS ── */
.panel {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 2px;
  padding: 2.5rem;
  backdrop-filter: blur(8px);
  position: relative;
  overflow: hidden;
}
.panel::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
}
.panel-header {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 5px;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 0.5rem;
}
.panel h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--text-bright);
  margin-bottom: 1rem;
}

/* ── HERO ── */
.hero { flex-direction: column; text-align: center; }
.hero-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 6px;
  text-transform: uppercase;
  color: var(--cyan);
  opacity: 0; animation: fadeSlideUp 1s 0.3s forwards;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 7vw, 5.5rem);
  font-weight: 900;
  color: var(--text-bright);
  margin: 1rem 0 0.5rem;
  line-height: 1.1;
  opacity: 0; animation: fadeSlideUp 1s 0.6s forwards;
}
.hero h1 .accent { color: var(--cyan); }
.hero .subtitle {
  font-family: var(--font-body);
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  font-weight: 300;
  color: var(--text);
  max-width: 600px;
  margin: 0 auto;
  opacity: 0; animation: fadeSlideUp 1s 0.9s forwards;
}
.hero .roles {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 0.75rem;
  margin-top: 2rem;
  opacity: 0; animation: fadeSlideUp 1s 1.2s forwards;
}
.role-chip {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 0.4rem 1rem;
  border: 1px solid var(--panel-border);
  border-radius: 2px;
  background: var(--panel-bg);
  color: var(--text);
  transition: border-color 0.3s, color 0.3s, box-shadow 0.3s;
}
.role-chip:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: 0 0 20px var(--cyan-dim), inset 0 0 20px var(--cyan-dim);
}
.hero .social-row {
  display: flex; gap: 1.5rem; justify-content: center;
  margin-top: 2.5rem;
  opacity: 0; animation: fadeSlideUp 1s 1.5s forwards;
}
.social-link {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--panel-border);
  border-radius: 2px;
  color: var(--text);
  text-decoration: none;
  font-size: 1.1rem;
  transition: all 0.3s;
}
.social-link:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: 0 0 20px var(--cyan-dim);
  transform: translateY(-2px);
}
.social-link svg { width: 20px; height: 20px; fill: currentColor; }

/* ── ABOUT GRID ── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  max-width: 1100px;
  width: 100%;
}
.about-grid .panel p {
  font-size: 1.05rem;
  margin-bottom: 1rem;
}
.about-grid .panel p:last-child { margin-bottom: 0; }
.stat-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem;
  margin-top: 1.5rem;
}
.stat {
  text-align: center;
  padding: 1rem;
  border: 1px solid var(--panel-border);
  border-radius: 2px;
}
a.stat {
  text-decoration: none;
  color: inherit;
  display: block;
  transition: border-color 0.3s, box-shadow 0.3s;
}
a.stat:hover {
  border-color: var(--cyan);
  box-shadow: 0 0 20px var(--cyan-dim);
  cursor: pointer;
}
.stat-val {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--cyan);
}
.stat-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text);
  margin-top: 0.25rem;
}

/* ── CASE STUDY CARDS ── */
.cases-wrap { max-width: 1100px; width: 100%; }
.cases-wrap > .panel-header,
.cases-wrap > h2 { text-align: center; }
.cases-wrap > h2 { margin-bottom: 2.5rem; font-family: var(--font-display); color: var(--text-bright); }
.case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}
.case-card {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 2px;
  padding: 2rem;
  position: relative;
  overflow: hidden;
  text-decoration: none;
  color: var(--text);
  display: block;
  transition: border-color 0.4s, box-shadow 0.4s, transform 0.4s;
}
.case-card:hover {
  border-color: var(--cyan);
  box-shadow: 0 0 30px var(--cyan-dim);
  transform: translateY(-4px);
}
.case-card::before {
  content: '';
  position: absolute; top: 0; left: 0;
  width: 4px; height: 100%;
  background: var(--cyan);
  opacity: 0;
  transition: opacity 0.3s;
}
.case-card:hover::before { opacity: 1; }
.case-card[data-color="magenta"]:hover { border-color: var(--magenta); box-shadow: 0 0 30px var(--magenta-dim); }
.case-card[data-color="magenta"]::before { background: var(--magenta); }
.case-card[data-color="magenta"] .case-org { color: var(--magenta); }
.case-card[data-color="amber"]:hover { border-color: var(--amber); box-shadow: 0 0 30px var(--amber-dim); }
.case-card[data-color="amber"]::before { background: var(--amber); }
.case-card[data-color="amber"] .case-org { color: var(--amber); }
.case-org {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 0.5rem;
}
.case-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--text-bright);
  margin-bottom: 0.75rem;
}
.case-card p {
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 1rem;
}
.case-impact {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 1px;
  color: var(--text);
  border-top: 1px solid var(--panel-border);
  padding-top: 0.75rem;
}
.case-impact strong { color: var(--text-bright); }
.case-card .read-more {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--cyan);
  margin-top: 0.75rem;
  display: inline-block;
}

/* ── PUBLICATIONS ── */
.pub-section { flex-direction: column; gap: 2rem; }
.pub-wrap { max-width: 900px; width: 100%; }
.pub-wrap > .panel-header,
.pub-wrap > h2 { text-align: center; }
.pub-wrap > h2 { margin-bottom: 2rem; font-family: var(--font-display); color: var(--text-bright); }
.pub-list { display: flex; flex-direction: column; gap: 1rem; }
.pub-item {
  display: flex; align-items: center; gap: 1.5rem;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 2px;
  padding: 1.5rem 2rem;
  text-decoration: none;
  color: var(--text);
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}
.pub-item:hover {
  border-color: var(--cyan);
  box-shadow: 0 0 20px var(--cyan-dim);
  transform: translateX(4px);
}
.pub-icon { font-size: 2rem; flex-shrink: 0; }
.pub-item h3 {
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: var(--text-bright);
  margin-bottom: 0.25rem;
}
.pub-item .pub-meta {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 2px;
  color: var(--cyan);
}

/* ── CONTACT / FOOTER ── */
.contact-section {
  flex-direction: column;
  text-align: center;
  min-height: 60vh;
}
.contact-section h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  color: var(--text-bright);
  margin-bottom: 1rem;
}
.contact-section p {
  max-width: 500px;
  margin: 0 auto 2rem;
  font-size: 1.05rem;
}
.contact-links {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 1rem;
}
.contact-btn {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--text);
  padding: 0.75rem 1.5rem;
  border: 1px solid var(--panel-border);
  border-radius: 2px;
  transition: all 0.3s;
}
.contact-btn:hover {
  color: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 20px var(--cyan-dim);
  transform: translateY(-2px);
}

footer {
  position: relative; z-index: 1;
  text-align: center;
  padding: 2rem;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 2px;
  color: var(--text);
  opacity: 0.6;
  border-top: 1px solid var(--panel-border);
}

/* ── DETAIL PAGE LAYOUTS ── */
.page-content {
  position: relative; z-index: 1;
  max-width: 860px;
  width: 100%;
  margin: 0 auto;
  padding: 7rem 2rem 4rem;
}
.page-content .panel-header { margin-bottom: 0.5rem; }
.page-content h1 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 900;
  color: var(--text-bright);
  margin-bottom: 0.5rem;
  line-height: 1.2;
}
.page-content .page-subtitle {
  font-family: var(--font-body);
  font-size: 1.15rem;
  color: var(--text);
  margin-bottom: 2.5rem;
  max-width: 640px;
}
.page-content h2 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 2.5rem 0 0.75rem;
}
.page-content h2:first-of-type { margin-top: 0; }
.page-content a,
.panel p a,
.panel li a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-dim);
  transition: border-color 0.3s, text-shadow 0.3s;
}
.page-content a:hover,
.panel p a:hover,
.panel li a:hover {
  border-color: var(--cyan);
  text-shadow: 0 0 8px var(--cyan-dim);
}
.page-content a.back-link {
  border-bottom: none;
}
.page-content p {
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 1rem;
}
.page-content ul {
  list-style: none;
  padding: 0;
  margin-bottom: 1.5rem;
}
.page-content li {
  font-size: 1rem;
  line-height: 1.7;
  padding-left: 1.5rem;
  position: relative;
  margin-bottom: 0.5rem;
}
.page-content li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--cyan);
}

/* Meta bar for case studies */
.meta-bar {
  display: flex; flex-wrap: wrap; gap: 2rem;
  padding: 1.5rem 0;
  margin-bottom: 2rem;
  border-top: 1px solid var(--panel-border);
  border-bottom: 1px solid var(--panel-border);
}
.meta-item .meta-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 0.2rem;
}
.meta-item .meta-value {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-bright);
}

/* Back link */
.back-link {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--text-dim);
  margin-bottom: 2rem;
  transition: color 0.3s;
}
.back-link:hover { color: var(--cyan); }

/* Tech stack pills */
.tech-stack {
  display: flex; flex-wrap: wrap; gap: 0.5rem;
  margin-top: 0.5rem;
}
.tech-pill {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 1px;
  padding: 0.3rem 0.75rem;
  border: 1px solid var(--panel-border);
  border-radius: 2px;
  color: var(--text);
}

/* ── TALKS PAGE ── */
.talk-list { display: flex; flex-direction: column; gap: 1.5rem; }
.talk-item {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 2px;
  padding: 2rem 2.5rem;
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.talk-item:hover {
  border-color: var(--panel-border);
  box-shadow: 0 0 15px rgba(0,240,255,0.05);
}
.talk-item::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan-dim), transparent);
}
.talk-venue {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 0.4rem;
}
.talk-item h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--text-bright);
  margin-bottom: 0.75rem;
}
.talk-item p {
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 1rem;
}
.talk-links {
  display: flex; gap: 1rem; flex-wrap: wrap;
}
.talk-link {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--text-dim);
  padding: 0.3rem 0.75rem;
  border: 1px solid var(--panel-border);
  border-radius: 2px;
  transition: all 0.3s;
}
.talk-link:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

/* ── ANIMATIONS ── */
@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  nav ul { gap: 1rem; }
  nav a { font-size: 0.6rem; letter-spacing: 1px; }
  .about-grid { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  section { padding: 5rem 1.25rem; }
  .panel { padding: 1.5rem; }
  .page-content { padding: 6rem 1.25rem 3rem; }
  .meta-bar { gap: 1rem; }
}
@media (max-width: 480px) {
  nav { flex-direction: column; gap: 0.5rem; padding: 0.75rem 1rem; }
  nav ul { gap: 0.75rem; flex-wrap: wrap; justify-content: center; }
}