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

:root {
  --bg: #0A0A0F;
  --bg-alt: #111118;
  --surface: #18181F;
  --surface-2: #222230;
  --fg: #F0F0F5;
  --fg-muted: #8888A0;
  --accent: #00D4FF;
  --accent-dim: rgba(0, 212, 255, 0.12);
  --accent-glow: rgba(0, 212, 255, 0.06);
  --border: rgba(255, 255, 255, 0.06);
  --radius: 12px;
  --radius-lg: 20px;
  --font-display: 'Space Grotesk', 'Helvetica Neue', sans-serif;
  --font-body: 'DM Sans', 'Helvetica Neue', sans-serif;
  --max-w: 1100px;
  --section-py: 100px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* NAV */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 24px;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  color: var(--fg);
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  text-decoration: none;
  color: var(--fg-muted);
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
  letter-spacing: 0.01em;
}

.nav-links a:hover { color: var(--fg); }

/* HERO */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 120px 24px 60px;
  position: relative;
  overflow: hidden;
}

.hero-bg-glow {
  position: absolute;
  top: 10%;
  right: -5%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.07) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  max-width: var(--max-w);
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

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

.hero-eyebrow {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(48px, 6vw, 80px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 24px;
}

.hero-sub {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 460px;
  line-height: 1.7;
  margin-bottom: 36px;
  font-weight: 300;
}

.hero-pulse {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--accent);
  font-weight: 500;
  letter-spacing: 0.05em;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}

/* NERVE NETWORK VISUAL */
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.nerve-network {
  position: relative;
  width: 400px;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nn-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.nn-lines line {
  stroke: rgba(0, 212, 255, 0.25);
  stroke-width: 1;
  animation: line-glow 3s ease-in-out infinite;
}

.nn-lines line:nth-child(odd) { animation-delay: 0.5s; }
.nn-lines line:nth-child(3n) { animation-delay: 1s; }
.nn-lines line:nth-child(4n) { animation-delay: 1.5s; }

@keyframes line-glow {
  0%, 100% { stroke: rgba(0, 212, 255, 0.15); }
  50% { stroke: rgba(0, 212, 255, 0.5); }
}

.nn-node {
  position: absolute;
  border-radius: 50%;
  background: var(--accent);
  animation: node-breathe 3s ease-in-out infinite;
}

.nn-center {
  width: 20px;
  height: 20px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.6), 0 0 40px rgba(0, 212, 255, 0.3);
}

.nn-1 { width: 8px; height: 8px; top: 15%; left: 50%; transform: translateX(-50%); animation-delay: 0.2s; }
.nn-2 { width: 8px; height: 8px; top: 50%; left: 85%; transform: translateY(-50%); animation-delay: 0.4s; }
.nn-3 { width: 8px; height: 8px; top: 85%; left: 50%; transform: translateX(-50%); animation-delay: 0.6s; }
.nn-4 { width: 8px; height: 8px; top: 50%; left: 15%; transform: translateY(-50%); animation-delay: 0.8s; }
.nn-5 { width: 6px; height: 6px; top: 25%; left: 25%; animation-delay: 1s; }
.nn-6 { width: 6px; height: 6px; top: 25%; left: 75%; animation-delay: 1.2s; }
.nn-7 { width: 6px; height: 6px; top: 75%; left: 25%; animation-delay: 1.4s; }
.nn-8 { width: 6px; height: 6px; top: 75%; left: 75%; animation-delay: 1.6s; }

@keyframes node-breathe {
  0%, 100% { opacity: 0.6; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 1; transform: translate(-50%, -50%) scale(1.5); }
}

.nn-1, .nn-2, .nn-3, .nn-4 { animation-name: node-breathe-side; }
.nn-5, .nn-6, .nn-7, .nn-8 { animation-name: node-breathe-corner; }

@keyframes node-breathe-side {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.9; }
}

@keyframes node-breathe-corner {
  0%, 100% { opacity: 0.2; }
  50% { opacity: 0.7; }
}

/* HERO STATS */
.hero-stats {
  max-width: var(--max-w);
  margin: 60px auto 0;
  width: 100%;
  display: flex;
  align-items: center;
  gap: 48px;
  padding: 32px 40px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.stat { display: flex; flex-direction: column; gap: 4px; }
.stat-num { font-family: var(--font-display); font-size: 32px; font-weight: 700; color: var(--fg); letter-spacing: -0.03em; }
.stat-label { font-size: 13px; color: var(--fg-muted); font-weight: 400; }
.stat-divider { width: 1px; height: 48px; background: var(--border); flex-shrink: 0; }

/* SHARED SECTION */
.section-eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--fg);
  margin-bottom: 16px;
}

.section-sub {
  font-size: 17px;
  color: var(--fg-muted);
  max-width: 540px;
  line-height: 1.7;
  font-weight: 300;
}

/* SERVICES */
.services {
  padding: var(--section-py) 24px;
  background: var(--bg-alt);
  position: relative;
}

.services::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 60px,
    rgba(0, 212, 255, 0.015) 60px,
    rgba(0, 212, 255, 0.015) 61px
  ),
  repeating-linear-gradient(
    90deg,
    transparent,
    transparent 60px,
    rgba(0, 212, 255, 0.015) 60px,
    rgba(0, 212, 255, 0.015) 61px
  );
  pointer-events: none;
}

.services-inner { max-width: var(--max-w); margin: 0 auto; position: relative; z-index: 1; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: 56px;
}

.service-card {
  background: var(--bg);
  padding: 36px 32px;
  transition: background 0.3s;
  position: relative;
}

.service-card:hover { background: var(--surface); }

.service-icon {
  width: 44px;
  height: 44px;
  background: var(--accent-dim);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 20px;
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.service-card p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.65;
  font-weight: 300;
  margin-bottom: 20px;
}

.service-result {
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.service-result span {
  font-size: 12px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.02em;
}

/* OUTCOMES */
.outcomes {
  padding: var(--section-py) 24px;
  background: var(--bg);
}

.outcomes-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.outcomes-desc {
  font-size: 16px;
  color: var(--fg-muted);
  margin: 20px 0 36px;
  line-height: 1.75;
  font-weight: 300;
}

.outcomes-list { display: flex; flex-direction: column; gap: 20px; }

.outcome-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.outcome-icon {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.outcome-item strong { font-weight: 600; color: var(--fg); }
.outcome-item div { font-size: 14px; color: var(--fg-muted); font-weight: 300; line-height: 1.6; }

.outcomes-right { display: flex; flex-direction: column; gap: 20px; }

.proof-card {
  padding: 28px 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color 0.3s;
}

.proof-card:hover { border-color: rgba(0, 212, 255, 0.3); }

.proof-quote {
  font-size: 15px;
  color: var(--fg);
  line-height: 1.65;
  font-weight: 400;
  font-style: italic;
  margin-bottom: 20px;
}

.proof-attribution { display: flex; align-items: center; gap: 14px; }

.proof-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 12px;
  color: var(--accent);
  flex-shrink: 0;
}

.proof-attribution strong { font-size: 14px; font-weight: 600; color: var(--fg); display: block; }
.proof-attribution span { font-size: 12px; color: var(--fg-muted); }

/* HOW */
.how {
  padding: var(--section-py) 24px;
  background: var(--bg-alt);
}

.how-inner { max-width: 800px; margin: 0 auto; }

.steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 56px;
}

.step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 32px;
  align-items: start;
  padding: 32px 0;
  border-bottom: 1px solid var(--border);
}

.step:first-child { border-top: 1px solid var(--border); }

.step-num {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.3;
  letter-spacing: -0.04em;
  line-height: 1;
}

.step-content h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.step-content p {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.7;
  font-weight: 300;
}

.step-connector {
  width: 1px;
  height: 24px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  margin-left: 39px;
  opacity: 0.3;
}

/* PRICING */
.pricing {
  padding: var(--section-py) 24px;
  background: var(--bg);
}

.pricing-inner { max-width: var(--max-w); margin: 0 auto; }

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 56px;
}

.pricing-card {
  padding: 40px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  position: relative;
}

.pricing-card-featured {
  border-color: rgba(0, 212, 255, 0.3);
  background: linear-gradient(180deg, var(--surface-2) 0%, var(--surface) 100%);
}

.pricing-badge {
  position: absolute;
  top: -14px;
  left: 40px;
  background: var(--accent);
  color: #000;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 20px;
}

.pricing-card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 6px;
}

.pricing-card-header p {
  font-size: 14px;
  color: var(--fg-muted);
  margin-bottom: 24px;
}

.pricing-price {
  font-family: var(--font-display);
  font-size: 44px;
  font-weight: 700;
  color: var(--fg);
  letter-spacing: -0.04em;
  margin-bottom: 28px;
}

.pricing-price span {
  font-size: 20px;
  font-weight: 500;
  color: var(--fg-muted);
  letter-spacing: 0;
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14px;
  color: var(--fg-muted);
  font-weight: 300;
  line-height: 1.5;
}

.pricing-features li::before {
  content: '';
  width: 18px;
  height: 18px;
  background: var(--accent-dim);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 2px;
  background-image: url("data:image/svg+xml,%3Csvg width='10' height='10' viewBox='0 0 10 10' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M2 5l2 2 4-4' stroke='%2300D4FF' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}

.pricing-note {
  margin-top: 32px;
  font-size: 14px;
  color: var(--fg-muted);
  text-align: center;
  font-style: italic;
}

/* CLOSING */
.closing {
  padding: var(--section-py) 24px;
  background: var(--bg-alt);
  text-align: center;
}

.closing-inner { max-width: 700px; margin: 0 auto; }

.closing-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 4.5vw, 56px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--fg);
  margin-bottom: 24px;
}

.closing-sub {
  font-size: 18px;
  color: var(--fg-muted);
  line-height: 1.7;
  font-weight: 300;
  margin-bottom: 0;
}

/* FOOTER */
.footer {
  padding: 48px 24px 40px;
  background: var(--bg);
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--fg);
}

.footer-tagline {
  font-size: 13px;
  color: var(--fg-muted);
  font-weight: 300;
}

.footer-legal {
  font-size: 12px;
  color: var(--fg-muted);
  opacity: 0.5;
  margin-top: 8px;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  :root { --section-py: 72px; }

  .nav-links { display: none; }

  .hero-content {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero-visual { display: none; }

  .hero-headline { font-size: 44px; }

  .hero-stats {
    flex-direction: column;
    gap: 24px;
    align-items: flex-start;
    padding: 24px;
  }

  .stat-divider { display: none; }

  .services-grid {
    grid-template-columns: 1fr;
  }

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

  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .step {
    grid-template-columns: 56px 1fr;
    gap: 20px;
  }

  .step-num { font-size: 36px; }

  .pricing-card { padding: 28px; }

  .closing-title { font-size: 32px; }
}

@media (max-width: 480px) {
  .hero { padding: 100px 16px 48px; }
  .services, .outcomes, .how, .pricing, .closing { padding-left: 16px; padding-right: 16px; }
}