:root {
  --bg: #0c0c0f;
  --bg-elevated: #14141a;
  --bg-card: #1a1a22;
  --fg: #f5f5f7;
  --fg-muted: #86868b;
  --fg-subtle: #48484e;
  --accent: #ff6b35;
  --accent-glow: rgba(255, 107, 53, 0.4);
  --border: #2a2a32;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(12, 12, 15, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.tagline {
  font-size: 0.875rem;
  color: var(--fg-muted);
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 8rem 2rem 4rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 40%, rgba(255, 107, 53, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.hero-content {
  max-width: 800px;
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.hero-headline {
  font-family: 'Syne', sans-serif;
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  background: linear-gradient(180deg, var(--fg) 0%, var(--fg-muted) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.25rem;
  color: var(--fg-muted);
  max-width: 600px;
  margin: 0 auto 3rem;
  line-height: 1.7;
}

.hero-visual {
  position: relative;
  width: 120px;
  height: 120px;
  margin: 0 auto;
}

.pulse-ring {
  position: absolute;
  inset: 0;
  border: 2px solid var(--accent);
  border-radius: 50%;
  opacity: 0;
  animation: pulse-ring 3s ease-out infinite;
}

.ring-1 { animation-delay: 0s; }
.ring-2 { animation-delay: 1s; }
.ring-3 { animation-delay: 2s; }

@keyframes pulse-ring {
  0% { transform: scale(0.5); opacity: 0.8; }
  100% { transform: scale(2); opacity: 0; }
}

.pulse-core {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60px;
  height: 60px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 0 60px var(--accent-glow);
}

.hero-stats {
  display: flex;
  gap: 4rem;
  margin-top: 4rem;
  padding-top: 4rem;
  border-top: 1px solid var(--border);
}

.stat {
  text-align: center;
}

.stat-value {
  font-family: 'Syne', sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--fg-muted);
  margin-top: 0.25rem;
}

/* Different section */
.different {
  padding: 6rem 2rem;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.different-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.different-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--fg-muted);
  margin-bottom: 1.5rem;
}

.different-headline {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 3rem;
}

.comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.comparison-col {
  padding: 2rem;
  background: var(--bg-card);
  border-radius: 12px;
  border: 1px solid var(--border);
}

.comparison-label {
  font-weight: 600;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.old .comparison-label {
  color: var(--fg-subtle);
}

.new .comparison-label {
  color: var(--accent);
}

.comparison-list {
  list-style: none;
}

.comparison-list li {
  padding: 0.5rem 0;
  font-size: 0.9rem;
  color: var(--fg-muted);
  position: relative;
  padding-left: 1.5rem;
}

.comparison-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--fg-subtle);
}

.new .comparison-list li::before {
  background: var(--accent);
}

/* Features */
.features {
  padding: 6rem 2rem;
}

.features-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.feature {
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: rgba(255, 107, 53, 0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--accent);
}

.feature-title {
  font-family: 'Syne', sans-serif;
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.feature-desc {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Closing */
.closing {
  padding: 8rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.closing::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 100%, rgba(255, 107, 53, 0.1) 0%, transparent 60%);
  pointer-events: none;
}

.closing-inner {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.closing-headline {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.closing-sub {
  font-size: 1.25rem;
  color: var(--fg-muted);
}

.closing-visual {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 300px;
  height: 300px;
  pointer-events: none;
}

.orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 200px;
  height: 200px;
  margin: -100px 0 0 -100px;
  border: 1px solid var(--border);
  border-radius: 50%;
  animation: orbit-spin 20s linear infinite;
}

.orbit-2 {
  width: 280px;
  height: 280px;
  margin: -140px 0 0 -140px;
  animation-duration: 30s;
  animation-direction: reverse;
}

.orbit-3 {
  width: 360px;
  height: 360px;
  margin: -180px 0 0 -180px;
  animation-duration: 40s;
}

.orbit-dot {
  position: absolute;
  top: 0;
  left: 50%;
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 20px var(--accent-glow);
}

@keyframes orbit-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Footer */
.footer {
  padding: 3rem 2rem;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  display: block;
}

.footer-tagline {
  font-size: 0.875rem;
  color: var(--fg-muted);
  display: block;
  margin-top: 0.25rem;
}

.footer-links {
  font-size: 0.875rem;
  color: var(--fg-muted);
}

/* Responsive */
@media (max-width: 768px) {
  .hero-stats {
    flex-direction: column;
    gap: 2rem;
  }
  
  .comparison {
    grid-template-columns: 1fr;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-inner {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  
  .closing-visual {
    display: none;
  }
}