/* === RESET & BASE === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: #080810;
  color: #E8E8F0;
  font-family: 'DM Sans', sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { font-family: 'Syne', sans-serif; font-weight: 700; line-height: 1.15; }
a { color: inherit; text-decoration: none; }

/* === NAV === */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 48px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(8,8,16,0.9);
  backdrop-filter: blur(12px);
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 18px;
  color: #fff;
}
.nav-links { display: flex; gap: 32px; }
.nav-links a { font-size: 14px; color: rgba(232,232,240,0.6); transition: color 0.2s; }
.nav-links a:hover { color: #4F8AFF; }

/* === HERO === */
.hero {
  padding: 80px 48px 100px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(79,138,255,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(79,138,255,0.1);
  border: 1px solid rgba(79,138,255,0.25);
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 12px;
  color: #4F8AFF;
  margin-bottom: 24px;
  letter-spacing: 0.03em;
}
.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #4F8AFF;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.hero-left h1 {
  font-size: clamp(40px, 5vw, 64px);
  color: #fff;
  margin-bottom: 20px;
}
.hero-left h1 .accent { color: #4F8AFF; }
.hero-sub {
  font-size: 17px;
  color: rgba(232,232,240,0.6);
  max-width: 440px;
  margin-bottom: 32px;
}
.hero-wave canvas { border-radius: 8px; }

/* Stem Visualizer */
.stem-visualizer {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 16px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.stem-track {
  display: grid;
  grid-template-columns: 110px 1fr 64px;
  align-items: center;
  gap: 12px;
}
.stem-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: rgba(232,232,240,0.7);
}
.stem-tag {
  font-size: 10px;
  color: #22c55e;
  text-align: right;
  font-weight: 500;
}
.stem-bar {
  height: 8px;
  border-radius: 4px;
  background: rgba(255,255,255,0.06);
  position: relative;
  overflow: hidden;
}
.stem-bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  border-radius: 4px;
  width: 100%;
}
.vocals-bar::after { background: linear-gradient(90deg, #4F8AFF, rgba(79,138,255,0.3)); }
.drums-bar::after { background: linear-gradient(90deg, #FFB347, rgba(255,179,71,0.3)); }
.bass-bar::after { background: linear-gradient(90deg, #22D3EE, rgba(34,211,238,0.3)); }
.instrument-bar::after { background: linear-gradient(90deg, #A78BFA, rgba(167,139,250,0.3)); }

/* Hero Stats */
.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.stat { text-align: center; }
.stat-num {
  display: block;
  font-family: 'Syne', sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: #fff;
}
.stat-desc {
  display: block;
  font-size: 11px;
  color: rgba(232,232,240,0.4);
  margin-top: 2px;
}
.stat-divider {
  width: 1px;
  height: 32px;
  background: rgba(255,255,255,0.08);
}

/* === MANIFESTO === */
.manifesto {
  background: #0A0A16;
  border-top: 1px solid rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.04);
  padding: 100px 48px;
}
.manifesto-inner {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}
.manifesto-quote {
  margin-bottom: 40px;
}
.manifesto-quote p {
  font-family: 'Syne', sans-serif;
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
}
.manifesto-body p {
  font-size: 17px;
  color: rgba(232,232,240,0.55);
  margin-bottom: 16px;
}
.manifesto-body p:last-child { margin-bottom: 0; }

/* === HOW IT WORKS === */
.howitworks {
  padding: 100px 48px;
  max-width: 1200px;
  margin: 0 auto;
}
.howitworks-header, .outcomes-header, .pricing-header {
  text-align: center;
  margin-bottom: 64px;
}
.howitworks-header h2, .outcomes-header h2, .pricing-header h2 {
  font-size: clamp(28px, 4vw, 42px);
  color: #fff;
  margin-bottom: 12px;
}
.howitworks-header p, .outcomes-header p, .pricing-header p {
  color: rgba(232,232,240,0.5);
  font-size: 16px;
}
.steps {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: start;
  gap: 0;
}
.step { padding: 0 24px; }
.step-num {
  font-family: 'Syne', sans-serif;
  font-size: 11px;
  font-weight: 700;
  color: #4F8AFF;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}
.step h3 {
  font-size: 18px;
  color: #fff;
  margin-bottom: 8px;
}
.step p {
  font-size: 14px;
  color: rgba(232,232,240,0.5);
  line-height: 1.6;
}
.step-connector {
  display: flex;
  align-items: center;
  padding-top: 20px;
}

/* Drop Zone */
.drop-zone {
  background: rgba(79,138,255,0.05);
  border: 1.5px dashed rgba(79,138,255,0.3);
  border-radius: 12px;
  padding: 32px 24px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  transition: border-color 0.2s;
}
.drop-zone span { font-size: 14px; color: rgba(232,232,240,0.7); }
.drop-sub { font-size: 12px !important; color: rgba(232,232,240,0.3) !important; }

/* Neural Layers */
.neural-layers { display: flex; flex-direction: column; gap: 6px; }
.layer { display: flex; gap: 4px; align-items: center; justify-content: center; }
.layer-bar {
  height: 8px;
  border-radius: 2px;
  animation: barPulse 2s ease-in-out infinite;
}
.l1 { width: 32px; background: #4F8AFF; animation-delay: 0s; }
.l2 { width: 24px; background: #22D3EE; animation-delay: 0.3s; }
.l3 { width: 40px; background: #A78BFA; animation-delay: 0.6s; }
.l4 { width: 28px; background: #FFB347; animation-delay: 0.2s; }
.mid .layer-bar { height: 12px; }
@keyframes barPulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

/* Download Preview */
.download-preview { display: flex; flex-direction: column; gap: 10px; }
.dl-row {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 8px;
  padding: 10px 14px;
}
.dl-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.dl-row span { font-size: 13px; color: rgba(232,232,240,0.6); flex: 1; }
.dl-status { width: 20px; height: 20px; }

/* === OUTCOMES === */
.outcomes {
  background: #0A0A16;
  border-top: 1px solid rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.04);
  padding: 100px 48px;
}
.outcomes-header { max-width: 600px; margin: 0 auto 64px; }
.outcomes-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
}
.outcome {
  padding: 48px;
  border: 1px solid rgba(255,255,255,0.04);
  background: rgba(255,255,255,0.01);
  transition: background 0.3s;
}
.outcome:hover { background: rgba(79,138,255,0.03); }
.outcome-icon { margin-bottom: 20px; }
.outcome h3 {
  font-size: 20px;
  color: #fff;
  margin-bottom: 12px;
}
.outcome p { font-size: 15px; color: rgba(232,232,240,0.5); line-height: 1.7; }

/* === PRICING === */
.pricing {
  padding: 100px 48px;
  max-width: 1200px;
  margin: 0 auto;
}
.pricing-header { margin-bottom: 48px; }
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 20px;
  margin-bottom: 40px;
}
.plan {
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 16px;
  padding: 32px;
  position: relative;
}
.plan-pro {
  border-color: rgba(79,138,255,0.4);
  background: rgba(79,138,255,0.05);
}
.plan-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: #4F8AFF;
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  padding: 4px 16px;
  border-radius: 100px;
  white-space: nowrap;
}
.plan-name {
  font-family: 'Syne', sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: rgba(232,232,240,0.5);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}
.plan-price {
  font-family: 'Syne', sans-serif;
  font-size: 40px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 28px;
}
.plan-price span { font-size: 16px; font-weight: 400; color: rgba(232,232,240,0.4); }
.plan-features { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.plan-features li { font-size: 14px; color: rgba(232,232,240,0.6); display: flex; align-items: center; gap: 8px; }
.plan-features .check { color: #22c55e; font-size: 16px; }
.plan-features .dim { color: rgba(232,232,240,0.2); }
.pricing-note {
  text-align: center;
  font-size: 13px;
  color: rgba(232,232,240,0.25);
  font-style: italic;
}

/* === CLOSING === */
.closing {
  background: linear-gradient(135deg, #080810 0%, #0D0B20 100%);
  padding: 120px 48px;
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.04);
}
.closing-inner { max-width: 700px; margin: 0 auto; }
.closing h2 {
  font-size: clamp(32px, 5vw, 52px);
  color: #fff;
  margin-bottom: 28px;
}
.closing p {
  font-size: 17px;
  color: rgba(232,232,240,0.5);
  margin-bottom: 20px;
  line-height: 1.7;
}
.closing-tagline {
  font-family: 'Syne', sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: #4F8AFF;
  margin-top: 40px;
}

/* === FOOTER === */
.footer {
  padding: 40px 48px;
  border-top: 1px solid rgba(255,255,255,0.05);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 16px;
  color: #fff;
}
.footer-copy { font-size: 13px; color: rgba(232,232,240,0.25); }

/* === RESPONSIVE === */
@media (max-width: 900px) {
  .nav { padding: 20px 24px; }
  .hero { padding: 60px 24px; }
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-left h1 { font-size: 36px; }
  .steps { grid-template-columns: 1fr; gap: 40px; }
  .step-connector { display: none; }
  .step { padding: 0; }
  .outcomes-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .manifesto, .howitworks, .outcomes, .pricing, .closing { padding: 80px 24px; }
  .footer { padding: 32px 24px; flex-direction: column; gap: 12px; }
}
@media (max-width: 600px) {
  .nav-links { display: none; }
  .stem-track { grid-template-columns: 80px 1fr 50px; }
  .hero-stats { gap: 16px; }
}