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

:root {
  --bg: #1a1d2e;
  --bg2: #222640;
  --bg3: #2a2e4a;
  --bg4: #32365a;
  --text: #eeeef2;
  --text-dim: #a0a0bc;
  --accent: #6c5ce7;
  --accent2: #a29bfe;
  --gold: #ffd93d;
  --blue: #00cec9;
  --pink: #fd79a8;
  --green: #00b894;
  --border: rgba(255,255,255,0.06);
  --glow: rgba(108,92,231,0.4);
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-40px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes glowPulse {
  0%, 100% { box-shadow: 0 0 20px rgba(108,92,231,0.3); }
  50% { box-shadow: 0 0 40px rgba(108,92,231,0.6); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes borderGlow {
  0%, 100% { border-color: rgba(108,92,231,0.2); }
  50% { border-color: rgba(108,92,231,0.5); }
}

@keyframes typing {
  from { width: 0; }
  to { width: 100%; }
}

@keyframes blink {
  0%, 100% { border-color: var(--accent); }
  50% { border-color: transparent; }
}

@keyframes particleFloat {
  0%, 100% { transform: translate(0, 0) rotate(0deg); opacity: 1; }
  25% { transform: translate(10px, -20px) rotate(90deg); opacity: 0.8; }
  50% { transform: translate(-5px, -40px) rotate(180deg); opacity: 0.6; }
  75% { transform: translate(15px, -20px) rotate(270deg); opacity: 0.8; }
}

@keyframes morphBg {
  0%, 100% { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; }
  50% { border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%; }
}

body {
  font-family: 'Inter', 'SF Pro Display', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  scroll-padding-top: 100px;
  overflow-x: hidden;
}

a { color: var(--accent2); text-decoration: none; transition: color 0.3s, transform 0.2s; }
a:hover { color: var(--gold); text-decoration: none; transform: translateY(-1px); }

code {
  background: rgba(108,92,231,0.15);
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 0.9em;
  font-family: 'Fira Code', 'SF Mono', monospace;
  color: var(--accent2);
  border: 1px solid rgba(108,92,231,0.2);
}

/* NAV */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 3rem;
  background: rgba(6,6,10,0.7);
  backdrop-filter: blur(30px) saturate(180%);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
  animation: fadeIn 0.8s ease;
}

nav::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.5;
}

.nav-brand {
  display: flex;
  align-items: center;
  animation: slideInLeft 0.6s ease;
}

.nav-brand img {
  transition: transform 0.3s, filter 0.3s;
}
.nav-brand img:hover {
  transform: scale(1.1) rotate(-5deg);
  filter: drop-shadow(0 0 10px var(--glow));
}

.nav-links {
  display: flex;
  gap: 2rem;
  animation: slideInRight 0.6s ease;
}

.nav-links a {
  color: var(--text-dim);
  font-weight: 500;
  position: relative;
  padding: 0.3rem 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--gold));
  transition: width 0.3s ease;
  border-radius: 2px;
}

.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }

/* HERO */
.hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8rem 3rem 6rem;
  max-width: 1200px;
  margin: 0 auto;
  gap: 4rem;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--glow) 0%, transparent 70%);
  opacity: 0.15;
  animation: morphBg 20s ease infinite;
  pointer-events: none;
}

.hero-content {
  flex: 1;
  animation: slideInLeft 0.8s ease 0.2s both;
}

.hero h1 {
  font-size: 4rem;
  font-weight: 800;
  line-height: 1.05;
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
}

.gradient {
  background: linear-gradient(135deg, var(--accent), var(--pink), var(--gold), var(--blue));
  background-size: 300% 300%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradientShift 6s ease infinite;
}

.hero-sub {
  font-size: 1.25rem;
  color: var(--text-dim);
  margin-bottom: 2.5rem;
  max-width: 500px;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
}

.btn {
  padding: 0.9rem 2.2rem;
  border-radius: 12px;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
  transition: left 0.5s;
}

.btn:hover::before { left: 100%; }

.btn:hover {
  transform: translateY(-3px);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--pink));
  color: white;
  box-shadow: 0 4px 25px rgba(108,92,231,0.4);
  border: none;
}

.btn-primary:hover {
  box-shadow: 0 8px 40px rgba(108,92,231,0.6);
  transform: translateY(-3px) scale(1.02);
}

.btn-secondary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-secondary:hover {
  border-color: var(--accent);
  background: rgba(108,92,231,0.1);
}

/* CODE WINDOW */
.hero-code {
  flex: 1;
  animation: slideInRight 0.8s ease 0.4s both;
}

.code-window {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  animation: glowPulse 4s ease infinite;
}

.code-window:hover {
  border-color: rgba(108,92,231,0.4);
  transform: translateY(-4px) scale(1.01);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4), 0 0 40px rgba(108,92,231,0.2);
}

.code-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 1rem 1.2rem;
  background: var(--bg3);
  border-bottom: 1px solid var(--border);
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  transition: transform 0.2s, box-shadow 0.2s;
}
.dot:hover { transform: scale(1.3); }
.dot.red { background: #ff5f57; box-shadow: 0 0 8px #ff5f57; }
.dot.yellow { background: #febc2e; box-shadow: 0 0 8px #febc2e; }
.dot.green { background: #28c840; box-shadow: 0 0 8px #28c840; }

.code-title {
  margin-left: 0.5rem;
  color: var(--text-dim);
  font-size: 0.85rem;
  font-family: 'Fira Code', monospace;
}

.code-window pre {
  padding: 1.5rem;
  margin: 0;
  font-family: 'Fira Code', monospace;
  font-size: 0.85rem;
  line-height: 1.8;
  overflow-x: auto;
  text-align: left;
}

.code-window .kw { color: var(--pink); font-weight: 600; }
.code-window .str { color: var(--gold); }
.code-window .fn { color: var(--blue); }
.code-window .num { color: var(--green); }
.code-window .arg { color: var(--accent2); }

/* FEATURES */
.features {
  padding: 6rem 3rem;
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.features h2 {
  font-size: 3rem;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
  animation: fadeInUp 0.6s ease;
}

.features > p {
  color: var(--text-dim);
  margin-bottom: 3rem;
  font-size: 1.1rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.feature-card {
  background: linear-gradient(135deg, var(--bg2) 0%, var(--bg3) 100%);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2rem;
  text-align: left;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--pink), var(--gold));
  opacity: 0;
  transition: opacity 0.3s;
}

.feature-card:hover::before { opacity: 1; }

.feature-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(108,92,231,0.08) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}

.feature-card:hover::after { opacity: 1; }

.feature-card:hover {
  transform: translateY(-8px);
  border-color: rgba(108,92,231,0.3);
  box-shadow: 0 20px 50px rgba(0,0,0,0.3), 0 0 30px rgba(108,92,231,0.1);
}

.feature-card h3 {
  font-size: 1.3rem;
  margin-bottom: 0.8rem;
  color: var(--text);
  transition: color 0.3s;
}

.feature-card:hover h3 {
  color: var(--accent2);
}

.feature-card p {
  color: var(--text-dim);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* DEMO */
.demo-section {
  padding: 6rem 3rem;
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.demo-section h2 {
  font-size: 3rem;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.demo-section > p {
  color: var(--text-dim);
  margin-bottom: 3rem;
  font-size: 1.1rem;
}

.demo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.demo-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  transition: all 0.3s ease;
  position: relative;
}

.demo-card:hover {
  transform: translateY(-5px);
  border-color: rgba(108,92,231,0.3);
  box-shadow: 0 15px 40px rgba(0,0,0,0.3);
}

.demo-card h3 {
  color: var(--accent2);
  margin-bottom: 0.8rem;
  font-size: 1.2rem;
}

.demo-card p { color: var(--text-dim); }

/* PERFORMANCE */
.perf-section {
  padding: 6rem 3rem;
  background: linear-gradient(180deg, var(--bg2) 0%, var(--bg) 100%);
  border-radius: 24px;
  margin: 0 auto;
  max-width: 1200px;
  position: relative;
  overflow: hidden;
}

.perf-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(108,92,231,0.1) 0%, transparent 60%);
  pointer-events: none;
}

.perf-section h2 {
  font-size: 3rem;
  margin-bottom: 1rem;
  text-align: center;
  letter-spacing: -0.02em;
}

.perf-section > p {
  color: var(--text-dim);
  margin-bottom: 3rem;
  text-align: center;
  font-size: 1.1rem;
}

.perf-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.perf-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem 1.5rem;
  text-align: center;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.perf-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(108,92,231,0.1) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.3s;
}

.perf-card:hover::before { opacity: 1; }

.perf-card:hover {
  transform: translateY(-6px) scale(1.02);
  border-color: var(--accent);
  box-shadow: 0 15px 40px rgba(0,0,0,0.3), 0 0 25px var(--glow);
}

.perf-card h3 {
  font-size: 1rem;
  margin-bottom: 1rem;
  color: var(--text-dim);
  font-weight: 500;
}

.perf-card .perf-value {
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--gold), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.perf-card .perf-detail {
  font-size: 0.85rem;
  color: var(--text-dim);
  line-height: 1.5;
}

/* FOOTER */
footer {
  padding: 3rem;
  text-align: center;
  color: var(--text-dim);
  border-top: 1px solid var(--border);
  margin-top: 4rem;
  position: relative;
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.3;
}

/* SCROLL ANIMATIONS */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

.animate-on-scroll:nth-child(1) { transition-delay: 0s; }
.animate-on-scroll:nth-child(2) { transition-delay: 0.08s; }
.animate-on-scroll:nth-child(3) { transition-delay: 0.16s; }
.animate-on-scroll:nth-child(4) { transition-delay: 0.24s; }
.animate-on-scroll:nth-child(5) { transition-delay: 0.32s; }
.animate-on-scroll:nth-child(6) { transition-delay: 0.4s; }
.animate-on-scroll:nth-child(7) { transition-delay: 0.48s; }
.animate-on-scroll:nth-child(8) { transition-delay: 0.56s; }
.animate-on-scroll:nth-child(9) { transition-delay: 0.64s; }
.animate-on-scroll:nth-child(10) { transition-delay: 0.72s; }
.animate-on-scroll:nth-child(11) { transition-delay: 0.8s; }
.animate-on-scroll:nth-child(12) { transition-delay: 0.88s; }

/* COUNTING ANIMATION */
@keyframes countUp {
  from { opacity: 0; transform: scale(0.5); }
  to { opacity: 1; transform: scale(1); }
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero { flex-direction: column; padding: 4rem 1.5rem; text-align: center; }
  .hero h1 { font-size: 2.5rem; }
  .hero-sub { margin: 0 auto 2rem; }
  .hero-buttons { justify-content: center; }
  .feature-grid, .demo-grid, .perf-grid { grid-template-columns: 1fr; }
  nav { padding: 1rem 1.5rem; }
  .nav-links { gap: 1rem; }
  .features, .demo-section, .perf-section { padding: 3rem 1.5rem; }
  .perf-section { margin: 0 1rem; }
}

@media (max-width: 1024px) {
  .perf-grid { grid-template-columns: repeat(2, 1fr); }
}