/* === TOKENS === */
:root {
  --bg: #09090b;
  --bg-2: #0e0e11;
  --surface: #141417;
  --border: #1e1e23;
  --lime: #c8ff00;
  --lime-dim: rgba(200, 255, 0, 0.08);
  --lime-glow: rgba(200, 255, 0, 0.15);
  --fg: #f4f4f5;
  --fg-2: #a1a1aa;
  --fg-3: #52525b;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* === NAV === */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  padding: 0 2rem;
  border-bottom: 1px solid var(--border);
  background: rgba(9,9,11,0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.03em;
  color: var(--lime);
}
.nav-tagline {
  font-size: 0.75rem;
  color: var(--fg-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* === HERO === */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 4rem;
  padding: 7rem 2rem 4rem;
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.hero-bg-ring {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle at center, rgba(200,255,0,0.03) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content { position: relative; z-index: 1; }

.hero-eyebrow {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--lime);
  margin-bottom: 1.25rem;
  display: inline-block;
  padding: 0.3rem 0.75rem;
  border: 1px solid var(--lime-glow);
  border-radius: 2rem;
  background: var(--lime-dim);
}

.hero-headline {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(2.8rem, 5.5vw, 4.5rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
  color: var(--fg);
  margin-bottom: 1.5rem;
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--fg-2);
  max-width: 420px;
  line-height: 1.65;
}

/* Orbit visual */
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  height: 380px;
}

.signal-orbit {
  position: relative;
  width: 300px; height: 300px;
}

.orbit-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(200,255,0,0.12);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  animation: orbit-pulse 3s ease-in-out infinite;
}
.orbit-ring-1 { width: 120px; height: 120px; animation-delay: 0s; }
.orbit-ring-2 { width: 200px; height: 200px; animation-delay: 0.4s; border-color: rgba(200,255,0,0.08); }
.orbit-ring-3 { width: 300px; height: 300px; animation-delay: 0.8s; border-color: rgba(200,255,0,0.05); }

.orbit-core {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 20px rgba(200,255,0,0.6), 0 0 40px rgba(200,255,0,0.3);
}

.orbit-node {
  position: absolute;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--lime);
}
.orbit-node-1 { top: 50%; left: calc(100% + 10px); transform: translateY(-50%); box-shadow: 0 0 8px rgba(200,255,0,0.8); }
.orbit-node-2 { top: 10%; left: 50%; transform: translateX(-50%); width: 6px; height: 6px; opacity: 0.7; }
.orbit-node-3 { bottom: 15%; left: 15%; opacity: 0.5; }
.orbit-node-4 { top: 25%; left: 10%; width: 5px; height: 5px; opacity: 0.4; }
.orbit-node-5 { bottom: 50%; right: calc(100% + 8px); transform: translateY(50%); width: 5px; height: 5px; opacity: 0.6; }
.orbit-node-6 { bottom: 20%; right: 15%; width: 4px; height: 4px; opacity: 0.3; }

@keyframes orbit-pulse {
  0%, 100% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 0.6; transform: translate(-50%, -50%) scale(1.03); }
}

/* === SECTIONS === */
.section-label {
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--lime);
  margin-bottom: 0.75rem;
}

.section-heading {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--fg);
  margin-bottom: 3rem;
}

/* === HOW === */
.how {
  padding: 6rem 2rem;
  border-top: 1px solid var(--border);
  max-width: 1100px;
  margin: 0 auto;
}
.how-steps {
  display: grid;
  grid-template-columns: repeat(7, auto);
  align-items: center;
  gap: 0;
}
.step {
  padding: 2rem;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 4px;
}
.step-connector {
  width: 40px;
  height: 1px;
  background: var(--lime);
  flex-shrink: 0;
  position: relative;
}
.step-connector::after {
  content: '';
  position: absolute;
  right: -2px; top: -3px;
  border: 4px solid transparent;
  border-left-color: var(--lime);
}
.step-num {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--lime);
  margin-bottom: 1rem;
}
.step-title {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--fg);
  margin-bottom: 0.5rem;
}
.step-desc {
  font-size: 0.82rem;
  color: var(--fg-2);
  line-height: 1.55;
}

/* === SIGNALS === */
.signals {
  padding: 6rem 2rem;
  border-top: 1px solid var(--border);
  background: var(--bg-2);
}
.signals-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 5rem;
  align-items: center;
}
.signals-desc {
  font-size: 1rem;
  color: var(--fg-2);
  line-height: 1.7;
  margin-top: 1rem;
}
.signals-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}
.signal-card {
  padding: 1rem 1.25rem;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 4px;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.signal-card:hover {
  border-color: var(--lime);
  background: var(--lime-dim);
}
.signal-icon {
  color: var(--lime);
  flex-shrink: 0;
}
.signal-name {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--fg);
}

/* === OUTCOMES === */
.outcomes {
  padding: 6rem 2rem;
  border-top: 1px solid var(--border);
  max-width: 1100px;
  margin: 0 auto;
}
.outcomes-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}
.outcome {
  padding: 2.5rem 2rem;
  background: var(--bg);
  text-align: center;
}
.outcome-value {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(2rem, 3vw, 3rem);
  color: var(--lime);
  letter-spacing: -0.03em;
  margin-bottom: 0.5rem;
}
.outcome-label {
  font-size: 0.78rem;
  color: var(--fg-2);
  line-height: 1.4;
}

/* === CLOSING === */
.closing {
  padding: 7rem 2rem;
  text-align: center;
  border-top: 1px solid var(--border);
  max-width: 1100px;
  margin: 0 auto;
}
.closing-headline {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(2rem, 4vw, 3.5rem);
  letter-spacing: -0.04em;
  line-height: 1.1;
  color: var(--fg);
  margin-bottom: 1.5rem;
}
.closing-sub {
  font-size: 1.05rem;
  color: var(--fg-2);
  max-width: 500px;
  margin: 0 auto;
  line-height: 1.65;
}

/* === FOOTER === */
.footer {
  padding: 2.5rem 2rem;
  border-top: 1px solid var(--border);
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
}
.footer-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: -0.03em;
  color: var(--lime);
  margin-bottom: 0.25rem;
}
.footer-copy {
  font-size: 0.8rem;
  color: var(--fg-3);
}
.footer-legal {
  font-size: 0.7rem;
  color: var(--fg-3);
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 5rem;
    min-height: auto;
    gap: 2rem;
  }
  .hero-visual { height: 220px; }
  .signal-orbit { width: 200px; height: 200px; }

  .how-steps {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
  .step-connector {
    width: 1px; height: 24px;
    background: var(--lime);
    margin: 0 auto;
  }
  .step-connector::after { display: none; }

  .signals-inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .signals-grid {
    grid-template-columns: 1fr 1fr;
  }
  .outcomes-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .signals-grid { grid-template-columns: 1fr; }
  .outcomes-grid { grid-template-columns: 1fr 1fr; }
  .hero-headline { font-size: 2.4rem; }
}