/* ============================================
   QUANTARAL.COM — CORE STYLESHEET
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
  --bg-primary: #020408;
  --bg-secondary: #050c15;
  --bg-card: rgba(10, 20, 40, 0.7);
  --color-primary: #00d4ff;
  --color-secondary: #7b2fff;
  --color-accent: #ff2d78;
  --color-gold: #ffc23e;
  --gradient-main: linear-gradient(135deg, #00d4ff, #7b2fff);
  --gradient-glow: linear-gradient(135deg, rgba(0,212,255,0.15), rgba(123,47,255,0.15));
  --text-primary: #f0f4ff;
  --text-secondary: #8a9bb8;
  --text-dim: #4a5a7a;
  --border: rgba(0, 212, 255, 0.12);
  --border-hover: rgba(0, 212, 255, 0.35);
  --glass: rgba(10, 20, 40, 0.6);
  --font-display: 'Orbitron', monospace;
  --font-body: 'Space Grotesk', sans-serif;
  --font-text: 'Inter', sans-serif;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --radius: 16px;
  --radius-sm: 8px;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  overflow-x: hidden;
  cursor: none;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; }
canvas { display: block; }

/* ---------- Cursor ---------- */
.cursor-dot {
  position: fixed; width: 8px; height: 8px;
  background: var(--color-primary); border-radius: 50%;
  pointer-events: none; z-index: 10000;
  transform: translate(-50%, -50%);
  transition: transform 0.1s, width 0.3s, height 0.3s, background 0.3s;
  mix-blend-mode: difference;
}
.cursor-ring {
  position: fixed; width: 36px; height: 36px;
  border: 1.5px solid rgba(0,212,255,0.6);
  border-radius: 50%; pointer-events: none; z-index: 9999;
  transform: translate(-50%, -50%);
  transition: transform 0.12s ease-out, width 0.3s, height 0.3s, opacity 0.3s;
}
body:hover .cursor-ring { opacity: 1; }

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--color-primary); border-radius: 4px; }

/* ---------- Preloader ---------- */
#preloader {
  position: fixed; inset: 0; z-index: 99999;
  background: var(--bg-primary);
  display: flex; align-items: center; justify-content: center;
  flex-direction: column;
  transition: opacity 0.8s, visibility 0.8s;
}
#preloader.hidden { opacity: 0; visibility: hidden; }
#preloader-canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.preloader-content {
  position: relative; z-index: 1;
  display: flex; flex-direction: column; align-items: center; gap: 20px;
}
.preloader-logo {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 4rem);
  font-weight: 900;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: 0.3em;
  animation: pulse-logo 2s infinite;
}
.preloader-tagline {
  font-family: var(--font-body);
  color: var(--text-secondary);
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.preloader-bar {
  width: 300px; height: 2px;
  background: rgba(255,255,255,0.1);
  border-radius: 2px; overflow: hidden;
}
.preloader-fill {
  height: 100%;
  background: var(--gradient-main);
  border-radius: 2px;
  width: 0%;
  animation: loader-fill 3s ease-in-out forwards;
}
.preloader-symbols {
  display: flex; gap: 20px;
  font-size: 1.5rem; color: var(--text-dim);
}
.preloader-symbols span {
  animation: sym-flash 3s infinite;
}
.preloader-symbols span:nth-child(1){ animation-delay: 0s; }
.preloader-symbols span:nth-child(2){ animation-delay: 0.3s; }
.preloader-symbols span:nth-child(3){ animation-delay: 0.6s; }
.preloader-symbols span:nth-child(4){ animation-delay: 0.9s; }
.preloader-symbols span:nth-child(5){ animation-delay: 1.2s; }
.preloader-symbols span:nth-child(6){ animation-delay: 1.5s; }
.preloader-symbols span:nth-child(7){ animation-delay: 1.8s; }
.preloader-symbols span:nth-child(8){ animation-delay: 2.1s; }

/* ---------- Nav ---------- */
#navbar {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
  padding: 20px 0;
  transition: all var(--transition);
}
#navbar.scrolled {
  background: rgba(2, 4, 8, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
}
.nav-container {
  max-width: 1300px; margin: 0 auto;
  padding: 0 30px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.3rem; font-weight: 900;
  display: flex; align-items: center; gap: 2px;
  position: relative;
}
.logo-q {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: 1.6rem;
}
.logo-text { color: var(--text-primary); letter-spacing: 0.15em; }
.logo-pulse {
  position: absolute; right: -8px; top: 50%; transform: translateY(-50%);
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--color-primary);
  animation: ping 2s infinite;
}
.nav-links {
  display: flex; align-items: center; gap: 32px;
}
.nav-link {
  font-size: 0.85rem; font-weight: 500; letter-spacing: 0.05em;
  color: var(--text-secondary);
  position: relative; transition: color var(--transition);
}
.nav-link::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 1px; background: var(--color-primary);
  transition: width var(--transition);
}
.nav-link:hover { color: var(--text-primary); }
.nav-link:hover::after { width: 100%; }
.nav-link.nav-cta {
  padding: 8px 20px; border-radius: 50px;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  background: rgba(0,212,255,0.08);
  transition: all var(--transition);
}
.nav-link.nav-cta:hover {
  background: var(--color-primary);
  color: #000;
}
.nav-link.nav-cta::after { display: none; }
.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: none; padding: 5px;
}
.nav-toggle span {
  display: block; width: 24px; height: 2px;
  background: var(--text-primary);
  transition: all var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
#hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
#universe-canvas {
  position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 60%, rgba(123,47,255,0.12) 0%, transparent 70%),
              radial-gradient(ellipse at 80% 20%, rgba(0,212,255,0.08) 0%, transparent 60%);
  z-index: 1;
}
.hero-content {
  position: relative; z-index: 2;
  max-width: 900px; margin: 0 auto;
  padding: 120px 30px 80px;
  text-align: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 18px; border-radius: 50px;
  border: 1px solid var(--border);
  background: rgba(0,212,255,0.06);
  font-size: 0.78rem; letter-spacing: 0.12em;
  color: var(--text-secondary);
  margin-bottom: 32px;
  animation: fadeInDown 0.8s 0.3s both;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 7rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
  animation: fadeInUp 0.8s 0.5s both;
}
.hero-line { display: block; color: var(--text-primary); }
.hero-gradient {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 40px rgba(0,212,255,0.4));
}
.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-secondary);
  max-width: 680px; margin: 0 auto 40px;
  line-height: 1.7;
  font-weight: 300;
  animation: fadeInUp 0.8s 0.7s both;
}
.hero-btns {
  display: flex; gap: 16px; justify-content: center; flex-wrap: wrap;
  margin-bottom: 64px;
  animation: fadeInUp 0.8s 0.9s both;
}
.hero-stats {
  display: flex; gap: 40px; justify-content: center; flex-wrap: wrap;
  animation: fadeInUp 0.8s 1.1s both;
}
.stat { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.stat-num {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 900;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
}
.stat-label {
  font-size: 0.75rem; color: var(--text-dim);
  letter-spacing: 0.12em; text-transform: uppercase;
}
.hero-scroll-indicator {
  position: absolute; bottom: 36px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  z-index: 2; animation: fadeIn 1.5s 1.5s both;
}
.scroll-line {
  width: 1px; height: 50px;
  background: linear-gradient(to bottom, var(--color-primary), transparent);
  animation: scroll-pulse 2s infinite;
}
.hero-scroll-indicator span { font-size: 0.7rem; color: var(--text-dim); letter-spacing: 0.1em; }
.hero-orbs { position: absolute; inset: 0; z-index: 1; pointer-events: none; }
.orb {
  position: absolute; border-radius: 50%;
  filter: blur(80px); opacity: 0.25;
}
.orb-1 {
  width: 500px; height: 500px;
  background: var(--color-secondary);
  top: -100px; right: -100px;
  animation: orb-float 12s infinite alternate;
}
.orb-2 {
  width: 350px; height: 350px;
  background: var(--color-primary);
  bottom: -80px; left: -60px;
  animation: orb-float 15s infinite alternate-reverse;
}
.orb-3 {
  width: 250px; height: 250px;
  background: var(--color-accent);
  top: 40%; left: 60%;
  animation: orb-float 18s infinite alternate;
}

/* ---------- Buttons ---------- */
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; border-radius: 50px;
  background: var(--gradient-main);
  color: #fff; font-weight: 600;
  font-size: 0.95rem; letter-spacing: 0.03em;
  transition: all var(--transition);
  box-shadow: 0 4px 24px rgba(0,212,255,0.2);
  border: none; cursor: none;
  white-space: nowrap;
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 40px rgba(0,212,255,0.4);
}
.btn-ghost {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; border-radius: 50px;
  border: 1px solid var(--border);
  color: var(--text-secondary); font-weight: 500;
  font-size: 0.95rem;
  transition: all var(--transition);
  background: transparent; cursor: none;
  white-space: nowrap;
}
.btn-ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(0,212,255,0.06);
  transform: translateY(-3px);
}
.btn-arrow { transition: transform var(--transition); }
.btn-primary:hover .btn-arrow { transform: translateX(4px); }

/* ---------- Section Utilities ---------- */
.section { position: relative; padding: 110px 0; overflow: hidden; }
.section-dark { background: var(--bg-secondary); }
.container { max-width: 1300px; margin: 0 auto; padding: 0 30px; }
.section-header { text-align: center; margin-bottom: 70px; }
.section-label {
  display: inline-block;
  font-size: 0.72rem; letter-spacing: 0.25em; text-transform: uppercase;
  color: var(--color-primary); font-weight: 600;
  margin-bottom: 16px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}
.section-subtitle {
  font-size: 1.05rem; color: var(--text-secondary); max-width: 600px;
  margin: 0 auto; line-height: 1.7;
}
.gradient-text {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ---------- About ---------- */
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: center;
}
.about-visual {
  display: flex; justify-content: center; align-items: center;
  min-height: 420px;
}
.atom-ring-wrapper {
  position: relative; width: 320px; height: 320px;
  display: flex; align-items: center; justify-content: center;
}
.atom-core {
  width: 40px; height: 40px; border-radius: 50%;
  background: radial-gradient(circle, #fff 0%, var(--color-primary) 50%, transparent 100%);
  box-shadow: 0 0 30px var(--color-primary), 0 0 80px rgba(0,212,255,0.4);
  position: absolute; z-index: 2;
  animation: core-pulse 2s infinite;
}
.orbit {
  position: absolute; border-radius: 50%;
  border: 1px solid rgba(0,212,255,0.25);
}
.orbit-1 { width: 120px; height: 120px; animation: spin 4s linear infinite; }
.orbit-2 { width: 200px; height: 200px; animation: spin 7s linear infinite reverse; transform: rotateX(70deg); }
.orbit-3 { width: 290px; height: 290px; animation: spin 10s linear infinite; transform: rotateX(60deg) rotateZ(30deg); }
.electron {
  position: absolute; width: 8px; height: 8px; border-radius: 50%;
  background: var(--color-primary);
  top: -4px; left: 50%; margin-left: -4px;
  box-shadow: 0 0 12px var(--color-primary);
}
.quantum-rings { position: absolute; inset: 0; }
.qring {
  position: absolute; border-radius: 50%;
  border: 1px solid rgba(123,47,255,0.2);
  top: 50%; left: 50%; transform: translate(-50%,-50%);
}
.qring-1 { width: 160px; height: 160px; animation: qring-pulse 3s infinite; }
.qring-2 { width: 240px; height: 240px; animation: qring-pulse 3s 1s infinite; }
.qring-3 { width: 320px; height: 320px; animation: qring-pulse 3s 2s infinite; }
.about-text .section-label { text-align: left; display: block; }
.about-text .section-title { text-align: left; }
.about-desc {
  color: var(--text-secondary); line-height: 1.8; margin-bottom: 20px;
  font-size: 1rem;
}
.about-pillars {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 16px; margin-top: 32px;
}
.pillar {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 18px; border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  transition: all var(--transition);
}
.pillar:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
  background: rgba(0,212,255,0.06);
}
.pillar-icon { font-size: 1.3rem; }
.pillar span { font-size: 0.875rem; font-weight: 500; color: var(--text-secondary); }

/* ---------- Research Cards ---------- */
.research-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.research-card {
  position: relative; padding: 36px 28px;
  border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  transition: all var(--transition);
  cursor: default;
}
.research-card::before {
  content: attr(data-index);
  position: absolute; top: 20px; right: 20px;
  font-family: var(--font-display);
  font-size: 3rem; font-weight: 900;
  color: rgba(0,212,255,0.05);
  line-height: 1;
}
.card-glow {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 30% 30%, rgba(0,212,255,0.08) 0%, transparent 60%);
  opacity: 0; transition: opacity var(--transition);
}
.research-card:hover { border-color: var(--border-hover); transform: translateY(-8px); }
.research-card:hover .card-glow { opacity: 1; }
.research-card--featured {
  background: linear-gradient(135deg, rgba(123,47,255,0.15), rgba(0,212,255,0.08));
  border-color: rgba(123,47,255,0.3);
  grid-column: span 1;
}
.card-icon { font-size: 2.2rem; margin-bottom: 20px; display: block; }
.research-card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem; font-weight: 700;
  letter-spacing: 0.03em; margin-bottom: 14px;
  color: var(--text-primary);
}
.research-card p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7; margin-bottom: 20px; }
.card-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.card-tags span {
  font-size: 0.72rem; padding: 4px 10px; border-radius: 50px;
  border: 1px solid rgba(0,212,255,0.2);
  color: var(--color-primary); background: rgba(0,212,255,0.05);
  letter-spacing: 0.04em;
}

/* ---------- Technology ---------- */
#technology { overflow: hidden; }
#tech-canvas { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0.4; z-index: 0; }
#technology .container { position: relative; z-index: 1; }
.tech-showcase {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 24px;
  overflow: hidden;
  backdrop-filter: blur(20px);
}
.tech-tabs {
  display: flex; gap: 0;
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
}
.tech-tab {
  flex-shrink: 0;
  padding: 18px 28px;
  background: none; border: none;
  color: var(--text-secondary); font-size: 0.875rem; font-weight: 500;
  cursor: none; transition: all var(--transition);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  font-family: var(--font-body);
}
.tech-tab:hover { color: var(--text-primary); }
.tech-tab.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
  background: rgba(0,212,255,0.05);
}
.tech-panels { position: relative; }
.tech-panel {
  display: none;
  grid-template-columns: 1fr 1fr;
  gap: 60px; align-items: center;
  padding: 50px;
}
.tech-panel.active { display: grid; }
.tech-panel-visual {
  min-height: 280px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius);
  background: var(--gradient-glow);
  border: 1px solid var(--border);
  position: relative; overflow: hidden;
}
.tech-panel-text h3 {
  font-family: var(--font-display);
  font-size: 1.5rem; font-weight: 700;
  margin-bottom: 18px; letter-spacing: 0.02em;
}
.tech-panel-text p {
  font-size: 0.95rem; color: var(--text-secondary);
  line-height: 1.8; margin-bottom: 24px;
}
.tech-features { margin-bottom: 32px; display: flex; flex-direction: column; gap: 10px; }
.tech-features li {
  display: flex; align-items: center; gap: 12px;
  font-size: 0.9rem; color: var(--text-secondary);
}
.feat-dot {
  flex-shrink: 0;
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 8px var(--color-primary);
}
/* Qubit Grid Viz */
.qubit-grid {
  display: grid; grid-template-columns: repeat(8,1fr); gap: 6px;
  padding: 24px; width: 100%;
}
.qubit {
  width: 28px; height: 28px; border-radius: 50%;
  background: rgba(0,212,255,0.15);
  border: 1px solid rgba(0,212,255,0.3);
  transition: all 0.3s;
  position: relative;
}
.qubit.active {
  background: var(--color-primary);
  box-shadow: 0 0 14px var(--color-primary);
}
.qubit.entangled { background: var(--color-secondary); border-color: var(--color-secondary); box-shadow: 0 0 14px var(--color-secondary); }
/* Lattice Viz */
.lattice-viz {
  width: 100%; height: 200px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='40' height='40'%3E%3Crect x='0' y='0' width='40' height='40' fill='none' stroke='rgba(0,212,255,0.15)' stroke-width='1'/%3E%3Ccircle cx='0' cy='0' r='3' fill='rgba(0,212,255,0.4)'/%3E%3C/svg%3E");
  border-radius: var(--radius-sm);
  position: relative;
  display: flex; align-items: center; justify-content: center;
}
.lattice-viz::after {
  content: '🔐';
  font-size: 3rem;
  filter: drop-shadow(0 0 20px var(--color-primary));
  animation: float 3s ease-in-out infinite;
}
.entangle-viz, .sensor-viz, .qai-viz {
  width: 100%; min-height: 200px;
  display: flex; align-items: center; justify-content: center;
  font-size: 4rem;
  animation: float 4s ease-in-out infinite;
}

/* ---------- Dimensions ---------- */
.dimensions-display {
  position: relative;
  border-radius: 24px; overflow: hidden;
  border: 1px solid var(--border);
  background: rgba(5,12,21,0.8);
  min-height: 500px;
}
#dimensions-canvas { width: 100%; height: 500px; }
.dim-controls {
  position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 10px; flex-wrap: wrap; justify-content: center;
  z-index: 10;
}
.dim-btn {
  padding: 8px 20px; border-radius: 50px;
  border: 1px solid var(--border);
  background: rgba(2,4,8,0.7); color: var(--text-secondary);
  font-size: 0.8rem; cursor: none;
  transition: all var(--transition); white-space: nowrap;
  backdrop-filter: blur(10px);
  font-family: var(--font-body);
}
.dim-btn.active, .dim-btn:hover {
  border-color: var(--color-primary); color: var(--color-primary);
  background: rgba(0,212,255,0.1);
}
.dim-info {
  position: absolute; top: 24px; right: 24px;
  width: 260px; z-index: 10;
}
.dim-info-card {
  display: none; padding: 20px;
  background: rgba(2,4,8,0.85); border: 1px solid var(--border);
  border-radius: var(--radius); backdrop-filter: blur(16px);
}
.dim-info-card.active { display: block; }
.dim-info-card h4 {
  font-family: var(--font-display); font-size: 0.85rem;
  color: var(--color-primary); margin-bottom: 12px;
}
.dim-info-card p { font-size: 0.82rem; color: var(--text-secondary); line-height: 1.7; }

/* ---------- Innovations ---------- */
.innovations-list { display: flex; flex-direction: column; gap: 1px; position: relative; }
.innovations-list::before {
  content: ''; position: absolute; left: 100px;
  top: 0; bottom: 0; width: 1px;
  background: linear-gradient(to bottom, transparent, var(--color-primary), transparent);
}
.innovation-item {
  display: flex; align-items: center; gap: 40px;
  padding: 36px 0; border-bottom: 1px solid var(--border);
  transition: all var(--transition); cursor: default;
}
.innovation-item:hover { padding-left: 12px; }
.innov-year {
  width: 80px; flex-shrink: 0;
  font-family: var(--font-display); font-size: 1.1rem;
  font-weight: 700; color: var(--text-dim);
  transition: color var(--transition);
}
.innovation-item:hover .innov-year { color: var(--color-primary); }
.innov-content { flex: 1; }
.innov-tag {
  display: inline-block; margin-bottom: 10px;
  font-size: 0.72rem; letter-spacing: 0.12em;
  color: var(--color-secondary); text-transform: uppercase; font-weight: 600;
}
.innov-content h3 {
  font-family: var(--font-display); font-size: 1rem; font-weight: 700;
  margin-bottom: 10px; color: var(--text-primary);
}
.innov-content p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7; }
.innov-arrow {
  font-size: 1.5rem; color: var(--text-dim);
  transition: all var(--transition);
}
.innovation-item:hover .innov-arrow { color: var(--color-primary); transform: translateX(6px); }

/* ---------- Team ---------- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 28px;
}
.team-card {
  padding: 40px 28px; text-align: center;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  transition: all var(--transition);
}
.team-card:hover { border-color: var(--border-hover); transform: translateY(-8px); }
.team-avatar {
  width: 90px; height: 90px; border-radius: 50%;
  margin: 0 auto 24px;
  position: relative;
}
.avatar-placeholder {
  width: 100%; height: 100%; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--gradient-main);
  font-family: var(--font-display); font-size: 1.3rem; font-weight: 700;
  color: #000;
  z-index: 1; position: relative;
}
.avatar-glow {
  position: absolute; inset: -4px; border-radius: 50%;
  background: var(--gradient-main); opacity: 0.3;
  filter: blur(8px);
  animation: avatar-glow 3s infinite;
}
.team-card h3 {
  font-family: var(--font-display); font-size: 1rem; font-weight: 700;
  margin-bottom: 6px;
}
.team-role {
  font-size: 0.78rem; color: var(--color-primary);
  letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 16px;
}
.team-card p { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.7; margin-bottom: 20px; }
.team-socials { display: flex; gap: 12px; justify-content: center; }
.social-link {
  font-size: 0.72rem; padding: 5px 14px; border-radius: 50px;
  border: 1px solid var(--border);
  color: var(--text-dim); transition: all var(--transition);
}
.social-link:hover {
  border-color: var(--color-primary); color: var(--color-primary);
  background: rgba(0,212,255,0.06);
}

/* ---------- Publications ---------- */
.pub-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px; margin-bottom: 40px;
}
.pub-card {
  padding: 30px; border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  transition: all var(--transition);
}
.pub-card:hover { border-color: var(--border-hover); transform: translateY(-6px); }
.pub-journal {
  font-size: 0.72rem; color: var(--color-primary);
  letter-spacing: 0.1em; text-transform: uppercase;
  margin-bottom: 14px; font-weight: 600;
}
.pub-title {
  font-family: var(--font-display); font-size: 0.95rem; font-weight: 700;
  margin-bottom: 12px; line-height: 1.5;
}
.pub-authors { font-size: 0.82rem; color: var(--text-secondary); margin-bottom: 20px; }
.pub-meta { display: flex; gap: 16px; }
.pub-meta span {
  font-size: 0.72rem; padding: 4px 10px; border-radius: 50px;
  border: 1px solid var(--border); color: var(--text-dim);
}
.pub-more { text-align: center; }

/* ---------- Careers ---------- */
.careers-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.career-card {
  padding: 36px 28px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  transition: all var(--transition);
  display: flex; flex-direction: column; gap: 16px;
}
.career-card:hover { border-color: var(--border-hover); transform: translateY(-8px); }
.career-icon { font-size: 2rem; }
.career-card h3 {
  font-family: var(--font-display); font-size: 1rem; font-weight: 700;
}
.career-meta { display: flex; gap: 12px; }
.career-meta span {
  font-size: 0.72rem; padding: 4px 10px; border-radius: 50px;
  border: 1px solid var(--border); color: var(--text-dim);
}
.career-card p { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.7; flex: 1; }
.career-apply {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 22px; border-radius: 50px;
  border: 1px solid var(--color-primary);
  color: var(--color-primary); font-size: 0.875rem; font-weight: 500;
  transition: all var(--transition); align-self: flex-start;
}
.career-apply:hover {
  background: var(--color-primary); color: #000;
}

/* ---------- Contact ---------- */
.contact-wrapper {
  display: grid; grid-template-columns: 1fr 1.2fr; gap: 80px; align-items: start;
}
.contact-info .section-label { display: block; }
.contact-info .section-title { text-align: left; }
.contact-info > p { color: var(--text-secondary); line-height: 1.8; margin-bottom: 36px; }
.contact-details { display: flex; flex-direction: column; gap: 20px; }
.contact-detail {
  display: flex; gap: 16px; align-items: flex-start;
}
.cd-icon { font-size: 1.2rem; flex-shrink: 0; margin-top: 2px; }
.contact-detail strong { font-weight: 600; display: block; margin-bottom: 2px; }
.contact-detail div { font-size: 0.9rem; color: var(--text-secondary); }
.contact-form {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 24px; padding: 48px;
  backdrop-filter: blur(16px);
  display: flex; flex-direction: column; gap: 24px;
}
.form-field { position: relative; }
.form-field input,
.form-field textarea,
.form-field select {
  width: 100%; padding: 16px 20px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  color: var(--text-primary); font-size: 0.95rem; font-family: var(--font-body);
  outline: none; transition: all var(--transition);
  resize: none; appearance: none;
}
.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  border-color: var(--color-primary);
  background: rgba(0,212,255,0.04);
  box-shadow: 0 0 0 3px rgba(0,212,255,0.1);
}
.form-field select option { background: #0a0f1e; }
.form-field label {
  position: absolute; top: 16px; left: 20px;
  color: var(--text-dim); font-size: 0.875rem;
  pointer-events: none; transition: all var(--transition);
}
.form-field input:focus ~ label,
.form-field input:not(:placeholder-shown) ~ label,
.form-field textarea:focus ~ label,
.form-field textarea:not(:placeholder-shown) ~ label {
  top: -10px; left: 14px; font-size: 0.72rem;
  color: var(--color-primary);
  background: var(--bg-primary); padding: 0 6px;
}
.form-field input::placeholder,
.form-field textarea::placeholder { color: transparent; }
.form-submit { width: 100%; justify-content: center; }
.form-success {
  display: none; text-align: center;
  color: var(--color-primary); font-size: 0.9rem;
  padding: 12px; border-radius: var(--radius-sm);
  background: rgba(0,212,255,0.08); border: 1px solid rgba(0,212,255,0.2);
}

/* ---------- Footer ---------- */
#footer { position: relative; padding: 80px 0 0; background: var(--bg-secondary); overflow: hidden; }
#footer-canvas { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0.3; }
.footer-universe { position: absolute; inset: 0; overflow: hidden; }
#footer .container { position: relative; z-index: 1; }
.footer-top {
  display: grid; grid-template-columns: 1.2fr 2fr;
  gap: 80px; padding-bottom: 60px;
  border-bottom: 1px solid var(--border);
}
.footer-logo {
  font-family: var(--font-display); font-size: 1.8rem; font-weight: 900;
  background: var(--gradient-main);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  letter-spacing: 0.2em; margin-bottom: 16px;
}
.footer-brand p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7; margin-bottom: 24px; }
.footer-socials { display: flex; gap: 12px; }
.fsoc {
  width: 38px; height: 38px; border-radius: 50%;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.78rem; font-weight: 600;
  color: var(--text-secondary);
  transition: all var(--transition);
}
.fsoc:hover { border-color: var(--color-primary); color: var(--color-primary); background: rgba(0,212,255,0.08); }
.footer-links { display: grid; grid-template-columns: repeat(3,1fr); gap: 40px; }
.footer-col h4 {
  font-family: var(--font-display); font-size: 0.8rem; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text-primary); margin-bottom: 20px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a {
  font-size: 0.875rem; color: var(--text-dim);
  transition: color var(--transition);
}
.footer-col ul li a:hover { color: var(--color-primary); }
.footer-bottom {
  padding: 24px 0;
  display: flex; align-items: center; justify-content: space-between;
  font-size: 0.8rem; color: var(--text-dim);
}
.footer-legal { display: flex; gap: 24px; }
.footer-legal a { color: var(--text-dim); transition: color var(--transition); }
.footer-legal a:hover { color: var(--color-primary); }

/* ---------- Scroll Reveal ---------- */
.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: 1024px) {
  .about-grid { grid-template-columns: 1fr; gap: 50px; }
  .about-visual { min-height: 300px; }
  .tech-panel { grid-template-columns: 1fr; gap: 40px; padding: 36px; }
  .contact-wrapper { grid-template-columns: 1fr; gap: 50px; }
  .footer-top { grid-template-columns: 1fr; gap: 50px; }
}
@media (max-width: 768px) {
  .nav-links { display: none; flex-direction: column; position: fixed;
    top: 0; right: 0; bottom: 0; width: 280px;
    background: rgba(2,4,8,0.97); backdrop-filter: blur(20px);
    padding: 100px 30px 30px;
    border-left: 1px solid var(--border);
    gap: 24px; z-index: 999; transition: transform var(--transition);
    transform: translateX(100%);
  }
  .nav-links.open { display: flex; transform: translateX(0); }
  .nav-toggle { display: flex; z-index: 1000; }
  .hero-stats { gap: 24px; }
  .section { padding: 80px 0; }
  .contact-form { padding: 30px; }
  .footer-links { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
  .dim-info { position: static; width: 100%; border-radius: 0; }
  .dim-info-card { border-radius: 0; }
  .innovations-list::before { display: none; }
  .innovation-item { flex-direction: column; gap: 12px; align-items: flex-start; }
  .innov-year { width: auto; }
  .hero-btns { flex-direction: column; align-items: center; }
}
@media (max-width: 480px) {
  .footer-links { grid-template-columns: 1fr; }
  .about-pillars { grid-template-columns: 1fr; }
  .tech-tabs { flex-direction: column; }
  .tech-tab { border-bottom: none; border-left: 2px solid transparent; text-align: left; }
  .tech-tab.active { border-left-color: var(--color-primary); border-bottom: none; }
}