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

:root {
  --bg: #090A0E;
  --bg-alt: #0D0F14;
  --bg-card: #111418;
  --lime: #C8FF00;
  --lime-dim: rgba(200, 255, 0, 0.15);
  --lime-glow: rgba(200, 255, 0, 0.4);
  --white: #FFFFFF;
  --gray-1: #F5F5F5;
  --gray-2: #A0A0A0;
  --gray-3: #666666;
  --border: rgba(255,255,255,0.08);
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--white);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* === NAVIGATION === */
.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(9, 10, 14, 0.85);
  backdrop-filter: blur(12px);
}

.nav-brand {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.15em;
  color: var(--lime);
}

.nav-tagline {
  font-size: 13px;
  color: var(--gray-2);
  letter-spacing: 0.02em;
}

/* === SECTION SHARED === */
.section-label {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--lime);
  margin-bottom: 48px;
}

/* === HERO === */
.hero {
  min-height: 88vh;
  display: flex;
  align-items: center;
  padding: 80px 48px;
  position: relative;
  background: radial-gradient(ellipse 80% 60% at 70% 40%, rgba(200, 255, 0, 0.04) 0%, transparent 70%), var(--bg);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--lime);
  margin-bottom: 20px;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(52px, 6vw, 80px);
  font-weight: 800;
  line-height: 0.95;
  color: var(--white);
  margin-bottom: 28px;
  letter-spacing: -0.02em;
}

.hero-lede {
  font-size: 18px;
  line-height: 1.6;
  color: var(--gray-1);
  max-width: 480px;
  margin-bottom: 40px;
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.meta-item {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--gray-2);
}

.meta-sep {
  color: var(--gray-3);
  font-size: 12px;
}

/* Neural visual */
.hero-right {
  display: flex;
  justify-content: center;
  align-items: center;
}

.neural-visual {
  position: relative;
  width: 420px;
  height: 420px;
}

.grid-overlay {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background-image:
    radial-gradient(rgba(200, 255, 0, 0.06) 1px, transparent 1px);
  background-size: 24px 24px;
  border-radius: 50%;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 40%, transparent 80%);
}

.node {
  position: absolute;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 16px var(--lime-glow), 0 0 32px rgba(200,255,0,0.15);
}

.node-1 { width: 14px; height: 14px; top: 20%; left: 35%; }
.node-2 { width: 8px; height: 8px; top: 35%; left: 65%; }
.node-3 { width: 20px; height: 20px; top: 55%; left: 25%; }
.node-4 { width: 10px; height: 10px; top: 15%; left: 60%; }
.node-5 { width: 6px; height: 6px; top: 70%; left: 55%; }
.node-6 { width: 12px; height: 12px; top: 45%; left: 45%; }
.node-7 { width: 16px; height: 16px; top: 30%; left: 50%; }

.line {
  position: absolute;
  background: rgba(200, 255, 0, 0.25);
  transform-origin: left top;
}

.line-1 { width: 120px; height: 1px; top: calc(20% + 7px); left: calc(35% + 7px); transform: rotate(25deg); }
.line-2 { width: 100px; height: 1px; top: calc(55% + 10px); left: calc(25% + 10px); transform: rotate(-30deg); }
.line-3 { width: 80px; height: 1px; top: calc(35% + 4px); left: calc(50% + 7px); transform: rotate(-10deg); }
.line-4 { width: 60px; height: 1px; top: calc(45% + 6px); left: calc(45% + 6px); transform: rotate(55deg); }
.line-5 { width: 90px; height: 1px; top: calc(30% + 8px); left: calc(50% + 8px); transform: rotate(-45deg); }
.line-6 { width: 70px; height: 1px; top: calc(70% + 3px); left: calc(55% + 5px); transform: rotate(20deg); }

.pulse-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(200, 255, 0, 0.2);
  animation: pulse 3s ease-out infinite;
}

.ring-1 { width: 200px; height: 200px; top: 50%; left: 50%; transform: translate(-50%, -50%); animation-delay: 0s; }
.ring-2 { width: 300px; height: 300px; top: 50%; left: 50%; transform: translate(-50%, -50%); animation-delay: 1s; }
.ring-3 { width: 400px; height: 400px; top: 50%; left: 50%; transform: translate(-50%, -50%); animation-delay: 2s; }

@keyframes pulse {
  0% { opacity: 0.6; transform: translate(-50%, -50%) scale(1); }
  100% { opacity: 0; transform: translate(-50%, -50%) scale(1.15); }
}

/* === MANIFESTO === */
.manifesto {
  padding: 100px 48px;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  position: relative;
}

.manifesto::before {
  content: '';
  position: absolute;
  top: 0;
  left: 48px;
  width: 80px;
  height: 2px;
  background: var(--lime);
}

.manifesto-inner {
  max-width: 760px;
  margin: 0 auto;
}

.manifesto-label {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--lime);
  margin-bottom: 28px;
}

.manifesto-text {
  font-size: 22px;
  line-height: 1.55;
  color: var(--gray-1);
  margin-bottom: 20px;
  font-weight: 300;
}

.manifesto-accent {
  color: var(--white);
  font-weight: 500;
}

/* === FEATURES === */
.features {
  padding: 100px 48px;
  background: var(--bg);
}

.features-inner {
  max-width: 1280px;
  margin: 0 auto;
}

.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background: var(--lime-dim);
  border: 1px solid var(--lime-dim);
}

.feature-card {
  background: var(--bg);
  padding: 48px 44px;
  position: relative;
  transition: background 0.2s;
}

.feature-card:hover {
  background: var(--bg-alt);
}

.feature-accent {
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 0;
  background: var(--lime);
  transition: height 0.3s ease;
}

.feature-card:hover .feature-accent {
  height: 100%;
}

.feature-icon {
  color: var(--lime);
  margin-bottom: 20px;
}

.feature-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}

.feature-desc {
  font-size: 15px;
  line-height: 1.6;
  color: var(--gray-2);
}

/* === HOW IT WORKS === */
.howitworks {
  padding: 100px 48px;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
}

.howitworks-inner {
  max-width: 1280px;
  margin: 0 auto;
}

.playbook {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.playbook-step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 40px;
  padding: 48px 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
}

.playbook-step:last-child {
  border-bottom: none;
}

.step-num {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 800;
  color: rgba(200, 255, 0, 0.2);
  line-height: 1;
}

.step-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}

.step-desc {
  font-size: 16px;
  line-height: 1.6;
  color: var(--gray-2);
  max-width: 600px;
}

/* === PRICING === */
.pricing {
  padding: 100px 48px;
  background: var(--bg);
  border-top: 1px solid var(--border);
}

.pricing-inner {
  max-width: 1280px;
  margin: 0 auto;
}

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background: var(--lime-dim);
  border: 1px solid var(--lime-dim);
  margin-bottom: 28px;
}

.pricing-card {
  background: var(--bg);
  padding: 48px 44px;
}

.pricing-card-main {
  background: var(--bg-alt);
}

.pricing-label {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--lime);
  margin-bottom: 12px;
}

.pricing-price {
  font-family: var(--font-display);
  font-size: 56px;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
  margin-bottom: 16px;
}

.per-mo {
  font-size: 20px;
  font-weight: 400;
  color: var(--gray-2);
}

.pricing-desc {
  font-size: 15px;
  color: var(--gray-2);
  margin-bottom: 28px;
  line-height: 1.5;
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.pricing-features li {
  font-size: 14px;
  color: var(--gray-1);
  padding-left: 20px;
  position: relative;
}

.pricing-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--lime);
}

.pricing-note {
  font-size: 13px;
  color: var(--gray-3);
  text-align: center;
  line-height: 1.5;
}

/* === OUTCOMES === */
.outcomes {
  padding: 100px 48px;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
}

.outcomes-inner {
  max-width: 1280px;
  margin: 0 auto;
}

.outcomes-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.outcome {
  padding: 40px 0;
  border-top: 1px solid var(--border);
}

.outcome-stat {
  font-family: var(--font-display);
  font-size: 64px;
  font-weight: 800;
  color: var(--lime);
  line-height: 1;
  margin-bottom: 12px;
}

.outcome-label {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 8px;
  line-height: 1.3;
}

.outcome-desc {
  font-size: 13px;
  color: var(--gray-3);
}

/* === CLOSING STATEMENT === */
.closing-statement {
  padding: 100px 48px;
  background: var(--bg);
  border-top: 1px solid var(--border);
  position: relative;
}

.closing-statement::before {
  content: '';
  position: absolute;
  top: 0;
  left: 48px;
  width: 80px;
  height: 2px;
  background: var(--lime);
}

.closing-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.closing-text {
  font-size: 20px;
  line-height: 1.6;
  color: var(--gray-1);
  margin-bottom: 28px;
  font-weight: 300;
}

.closing-tagline {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.01em;
}

/* === FOOTER === */
.site-footer {
  padding: 40px 48px;
  border-top: 1px solid var(--border);
  background: var(--bg-alt);
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.15em;
  color: var(--lime);
}

.footer-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--gray-3);
}

.footer-sep {
  color: var(--gray-3);
}

.footer-copy {
  font-size: 12px;
  color: var(--gray-3);
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .site-nav { padding: 16px 24px; }
  .nav-tagline { display: none; }

  .hero { padding: 60px 24px; min-height: auto; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-right { display: none; }

  .manifesto, .features, .howitworks, .pricing, .outcomes, .closing-statement { padding: 60px 24px; }

  .feature-grid, .pricing-grid, .outcomes-grid { grid-template-columns: 1fr; }
  .manifesto-text { font-size: 18px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }

  .playbook-step { grid-template-columns: 56px 1fr; gap: 20px; }
  .step-num { font-size: 36px; }
}

@media (max-width: 480px) {
  .hero-headline { font-size: 40px; }
  .outcome-stat { font-size: 48px; }
  .pricing-price { font-size: 40px; }
}