:root {
  --bg-void: #0a0a0f;
  --bg-card: #111118;
  --bg-card-hover: #16161f;
  --bg-surface: #0d0d14;
  --fg: #e8e8ed;
  --fg-muted: #8888a0;
  --fg-dim: #555570;
  --cyan: #00e5ff;
  --cyan-dim: rgba(0,229,255,0.15);
  --violet: #7c3aed;
  --violet-dim: rgba(124,58,237,0.15);
  --green: #22d3a0;
  --orange: #f59e0b;
  --radius: 12px;
  --radius-sm: 8px;
}

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

html { scroll-behavior: smooth; }

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

h1, h2, h3 {
  font-family: 'Space Grotesk', sans-serif;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.section-label {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--cyan);
  margin-bottom: 1rem;
}

/* HERO */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding: 6rem 2rem 4rem;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 60% at 20% 50%, rgba(0,229,255,0.04) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 30%, rgba(124,58,237,0.03) 0%, transparent 50%),
    var(--bg-void);
}

.hero-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  width: 100%;
}

.hero-badge {
  display: inline-block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--cyan);
  border: 1px solid var(--cyan-dim);
  padding: 0.4rem 1rem;
  border-radius: 100px;
  margin-bottom: 1.5rem;
  background: rgba(0,229,255,0.05);
}

.hero h1 {
  font-size: clamp(2.2rem, 4.5vw, 3.8rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 1.5rem;
}

.hero-lede {
  font-size: 1.1rem;
  color: var(--fg-muted);
  max-width: 500px;
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero-tags {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.tag {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--fg-muted);
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  padding: 0.35rem 0.9rem;
  border-radius: 100px;
}

/* Orbital Mesh Viz */
.hero-viz {
  display: flex;
  justify-content: center;
  align-items: center;
}

.orbital-mesh {
  position: relative;
  width: 380px;
  height: 380px;
}

.orbit {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(0,229,255,0.08);
}

.orbit-1 {
  width: 140px; height: 140px;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  animation: spin-slow 20s linear infinite;
}

.orbit-2 {
  width: 240px; height: 240px;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  animation: spin-slow 35s linear infinite reverse;
}

.orbit-3 {
  width: 340px; height: 340px;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  animation: spin-slow 50s linear infinite;
}

.node {
  position: absolute;
  width: 8px; height: 8px;
  border-radius: 50%;
  top: -4px; left: 50%;
  transform: translateX(-50%);
}

.node-active {
  background: var(--cyan);
  box-shadow: 0 0 12px rgba(0,229,255,0.6);
}

.node-idle {
  background: var(--violet);
  box-shadow: 0 0 12px rgba(124,58,237,0.5);
}

.mesh-center {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 48px; height: 48px;
  background: var(--bg-card);
  border: 2px solid var(--cyan);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}

.mesh-center span {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--cyan);
}

.pulse {
  position: absolute;
  width: 48px; height: 48px;
  border-radius: 50%;
  border: 1px solid var(--cyan);
  animation: pulse-ring 3s ease-out infinite;
}

.mesh-lines {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
}

@keyframes spin-slow {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes pulse-ring {
  0% { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(3.5); opacity: 0; }
}

/* STATS */
.stats {
  border-top: 1px solid rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.04);
  background: var(--bg-surface);
  padding: 3rem 2rem;
}

.stats-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
}

.stat {
  text-align: center;
  flex: 1;
}

.stat-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: #fff;
  display: block;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--fg-dim);
  display: block;
  margin-top: 0.3rem;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.06);
}

/* PROTOCOL */
.protocol {
  padding: 6rem 2rem;
  background: var(--bg-void);
}

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

.protocol h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  color: #fff;
  margin-bottom: 3rem;
}

.protocol-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.protocol-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.04);
  border-radius: var(--radius);
  padding: 2rem;
  transition: border-color 0.3s;
}

.protocol-card:hover {
  border-color: rgba(0,229,255,0.15);
}

.protocol-icon {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--cyan);
  margin-bottom: 1.2rem;
  opacity: 0.6;
}

.protocol-card h3 {
  font-size: 1.15rem;
  color: #fff;
  margin-bottom: 0.8rem;
}

.protocol-card p {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* CAPABILITIES */
.capabilities {
  padding: 6rem 2rem;
  background:
    radial-gradient(ellipse 70% 40% at 50% 80%, rgba(124,58,237,0.04) 0%, transparent 60%),
    var(--bg-surface);
}

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

.capabilities h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  color: #fff;
  margin-bottom: 3rem;
}

.cap-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.cap-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.04);
  border-radius: var(--radius);
  padding: 2rem;
  transition: border-color 0.3s;
}

.cap-card:hover {
  border-color: rgba(0,229,255,0.12);
}

.cap-featured {
  grid-column: span 2;
  border-color: rgba(0,229,255,0.12);
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(0,229,255,0.03) 100%);
}

.cap-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.cap-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
}

.cap-dot-cyan { background: var(--cyan); box-shadow: 0 0 8px rgba(0,229,255,0.5); }
.cap-dot-violet { background: var(--violet); box-shadow: 0 0 8px rgba(124,58,237,0.4); }
.cap-dot-green { background: var(--green); box-shadow: 0 0 8px rgba(34,211,160,0.4); }
.cap-dot-orange { background: var(--orange); box-shadow: 0 0 8px rgba(245,158,11,0.4); }

.cap-tag {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--cyan);
  background: rgba(0,229,255,0.08);
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
}

.cap-card h3 {
  font-size: 1.2rem;
  color: #fff;
  margin-bottom: 0.75rem;
}

.cap-card p {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.cap-code {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.75rem;
  color: var(--cyan);
  background: rgba(0,0,0,0.3);
  padding: 0.8rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(0,229,255,0.08);
  line-height: 1.8;
}

.cap-code code {
  color: var(--cyan);
  opacity: 0.8;
}

/* ARCHITECTURE */
.architecture {
  padding: 6rem 2rem;
  background: var(--bg-void);
}

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

.architecture h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  color: #fff;
  margin-bottom: 3rem;
}

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

.arch-layer {
  padding: 1.5rem 2rem;
  border: 1px solid rgba(255,255,255,0.04);
}

.arch-top {
  border-radius: var(--radius) var(--radius) 0 0;
  background: var(--bg-card);
}

.arch-mid {
  background: var(--bg-card);
}

.arch-highlight {
  border-color: var(--cyan);
  background: linear-gradient(90deg, rgba(0,229,255,0.06) 0%, rgba(124,58,237,0.04) 100%);
  position: relative;
}

.arch-highlight::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--cyan);
}

.arch-bottom {
  border-radius: 0 0 var(--radius) var(--radius);
  background: var(--bg-card);
}

.arch-layer-label {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--fg-dim);
  display: block;
  margin-bottom: 0.8rem;
}

.arch-highlight .arch-layer-label {
  color: var(--cyan);
}

.arch-items {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.arch-items span {
  font-size: 0.8rem;
  color: var(--fg-muted);
  background: rgba(255,255,255,0.03);
  padding: 0.3rem 0.8rem;
  border-radius: 100px;
  border: 1px solid rgba(255,255,255,0.04);
}

.arch-highlight .arch-items span {
  color: var(--fg);
  background: rgba(0,229,255,0.06);
  border-color: rgba(0,229,255,0.12);
}

.arch-note {
  font-size: 0.85rem;
  color: var(--fg-dim);
  margin-top: 1.5rem;
  font-style: italic;
}

/* MANIFESTO */
.manifesto {
  padding: 6rem 2rem;
  background:
    radial-gradient(ellipse 50% 50% at 50% 50%, rgba(0,229,255,0.03) 0%, transparent 70%),
    var(--bg-surface);
  text-align: center;
}

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

.manifesto-line {
  width: 40px;
  height: 2px;
  background: var(--cyan);
  margin: 0 auto 2rem;
}

.manifesto h2 {
  font-size: clamp(1.6rem, 2.8vw, 2.2rem);
  color: #fff;
  margin-bottom: 1.5rem;
}

.manifesto p {
  font-size: 1.05rem;
  color: var(--fg-muted);
  line-height: 1.8;
  margin-bottom: 1rem;
}

.manifesto-bold {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--cyan);
  margin-top: 1.5rem;
}

/* FOOTER */
.site-footer {
  padding: 3rem 2rem;
  border-top: 1px solid rgba(255,255,255,0.04);
  background: var(--bg-void);
}

.footer-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
}

.footer-tagline {
  font-size: 0.8rem;
  color: var(--fg-dim);
  margin-left: 1rem;
}

.footer-meta span {
  font-size: 0.75rem;
  color: var(--fg-dim);
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero { padding: 4rem 1.5rem 3rem; min-height: auto; }
  .hero-grid { grid-template-columns: 1fr; gap: 3rem; }
  .hero-viz { order: -1; }
  .orbital-mesh { width: 260px; height: 260px; }
  .orbit-3 { width: 240px; height: 240px; }
  .stats-inner { flex-direction: column; gap: 1.5rem; }
  .stat-divider { width: 40px; height: 1px; }
  .protocol-grid { grid-template-columns: 1fr; }
  .cap-grid { grid-template-columns: 1fr; }
  .cap-featured { grid-column: span 1; }
  .footer-inner { flex-direction: column; gap: 1rem; text-align: center; }
  .footer-tagline { margin-left: 0; display: block; margin-top: 0.3rem; }
  .arch-items { gap: 0.3rem; }
  .arch-items span { font-size: 0.7rem; padding: 0.2rem 0.6rem; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.8rem; }
  .hero-lede { font-size: 1rem; }
  .hero-tags { gap: 0.5rem; }
  .tag { font-size: 0.65rem; }
  .stat-value { font-size: 1.5rem; }
}