:root {
  --bg: #050814;
  --bg-2: #080b17;
  --cyan: #00e5ff;
  --cyan-dim: rgba(0, 229, 255, 0.1);
  --cyan-glow: rgba(0, 229, 255, 0.4);
  --coral: #ff6b35;
  --coral-dim: rgba(255, 107, 53, 0.07);
  --text: #e8e8f0;
  --text-dim: rgba(232, 232, 240, 0.48);
  --grid: rgba(255,255,255,0.022);
  --border: rgba(0, 229, 255, 0.07);
  --font-d: 'Syne', sans-serif;
  --font-b: 'DM Sans', sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-b);
  line-height: 1.6;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
  z-index: 0;
}

body::after {
  content: '';
  position: fixed;
  top: -25%; left: -10%;
  width: 60%; height: 60%;
  background: radial-gradient(ellipse, rgba(0,229,255,0.04) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

section { position: relative; z-index: 1; }

/* HERO */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  padding: 6rem 8rem;
  gap: 4rem;
}

.hero-content { max-width: 580px; }

.hero-label {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
  border: 1px solid var(--border);
  padding: 0.4rem 1rem;
  border-radius: 2rem;
  margin-bottom: 1.75rem;
}

.hero-headline {
  font-family: var(--font-d);
  font-size: clamp(3rem, 6vw, 4.75rem);
  font-weight: 800;
  line-height: 1.03;
  letter-spacing: -0.025em;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, #fff 0%, rgba(255,255,255,0.65) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-lede {
  font-size: 1.1rem;
  color: var(--text-dim);
  max-width: 460px;
  margin-bottom: 3rem;
  line-height: 1.7;
}

.hero-stats { display: flex; gap: 3rem; }

.stat-value {
  font-family: var(--font-d);
  font-size: 2rem;
  font-weight: 700;
  color: var(--cyan);
  line-height: 1;
}

.stat-label { font-size: 0.68rem; color: var(--text-dim); margin-top: 0.4rem; }

/* NODE NETWORK */
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 520px;
}

.node-network {
  position: relative;
  width: 420px;
  height: 420px;
}

.node {
  position: absolute;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 20px var(--cyan-glow), 0 0 50px rgba(0,229,255,0.12);
  transform: translate(-50%, -50%);
}

.node-center {
  width: 32px; height: 32px;
  top: 50%; left: 50%;
  background: #ffffff;
  box-shadow: 0 0 40px var(--cyan), 0 0 80px var(--cyan-glow);
}

.node-tl { width: 14px; height: 14px; top: 12%; left: 18%; animation: nP 3s ease-in-out infinite; }
.node-tr { width: 14px; height: 14px; top: 16%; left: 82%; animation: nP 3s ease-in-out infinite 0.4s; }
.node-bl { width: 14px; height: 14px; top: 83%; left: 22%; animation: nP 3s ease-in-out infinite 0.8s; }
.node-br { width: 14px; height: 14px; top: 78%; left: 78%; animation: nP 3s ease-in-out infinite 1.2s; }
.node-ml { width: 12px; height: 12px; top: 50%; left: 8%; animation: nP 3s ease-in-out infinite 0.6s; }
.node-mr { width: 12px; height: 12px; top: 42%; left: 92%; animation: nP 3s ease-in-out infinite 1.8s; }

.edge {
  position: absolute;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan-dim), var(--cyan), var(--cyan-dim), transparent);
  transform-origin: left center;
  opacity: 0.5;
}

.edge-1 { top: 12%; left: 18%; width: 185px; transform: rotate(12deg); }
.edge-2 { top: 16%; left: 82%; width: 165px; transform: rotate(165deg); }
.edge-3 { top: 83%; left: 22%; width: 175px; transform: rotate(-18deg); }
.edge-4 { top: 78%; left: 78%; width: 160px; transform: rotate(-162deg); }
.edge-5 { top: 50%; left: 8%; width: 200px; transform: rotate(-2deg); }
.edge-6 { top: 42%; left: 92%; width: 185px; transform: rotate(177deg); }

.pulse-ring {
  position: absolute;
  top: 50%; left: 50%;
  width: 130px; height: 130px;
  border: 1px solid var(--cyan);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: rp 4s ease-out infinite;
}

@keyframes nP {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; box-shadow: 0 0 30px var(--cyan), 0 0 60px var(--cyan-glow); }
}

@keyframes rp {
  0% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
  100% { transform: translate(-50%, -50%) scale(3.5); opacity: 0; }
}

/* SECTIONS COMMON */
.section-header { text-align: center; margin-bottom: 4rem; }

.section-label {
  display: block;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 1rem;
}

.section-title {
  font-family: var(--font-d);
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.2;
  max-width: 680px;
  margin: 0 auto;
}

/* HOW IT WORKS */
.how-it-works {
  padding: 8rem;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.steps { display: flex; align-items: flex-start; justify-content: center; gap: 1.5rem; }

.step { flex: 1; max-width: 260px; text-align: center; }

.step-number {
  font-family: var(--font-d);
  font-size: 3rem;
  font-weight: 800;
  color: rgba(0,229,255,0.12);
  line-height: 1;
  margin-bottom: 1rem;
}

.step-icon { margin-bottom: 1rem; display: flex; justify-content: center; }

.step-title { font-family: var(--font-d); font-size: 1.2rem; font-weight: 700; margin-bottom: 0.75rem; }

.step-desc { font-size: 0.875rem; color: var(--text-dim); line-height: 1.6; }

.step-connector {
  width: 60px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  margin-top: 2.5rem;
  flex-shrink: 0;
}

/* THE STACK */
.the-stack { padding: 8rem; }

.stack-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.stack-layer { background: var(--bg); padding: 2rem 1.25rem; transition: background 0.3s; }
.stack-layer:hover { background: var(--cyan-dim); }

.layer-label {
  font-size: 0.6rem; font-weight: 700;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--cyan); opacity: 0.45;
  margin-bottom: 0.75rem;
}

.layer-title { font-family: var(--font-d); font-size: 0.95rem; font-weight: 700; margin-bottom: 0.5rem; }
.layer-desc { font-size: 0.78rem; color: var(--text-dim); line-height: 1.5; }

/* REVENUE MODEL */
.revenue-model {
  padding: 8rem;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.revenue-columns { display: flex; gap: 4rem; justify-content: center; margin-bottom: 3.5rem; }

.revenue-channel {
  flex: 1; max-width: 400px;
  padding: 2.5rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(0,229,255,0.012);
}

.channel-icon { margin-bottom: 1.25rem; }

.channel-label {
  display: block;
  font-size: 0.6rem; font-weight: 700;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 0.75rem;
}

.channel-title { font-family: var(--font-d); font-size: 1.4rem; font-weight: 700; margin-bottom: 0.85rem; }

.channel-desc { font-size: 0.875rem; color: var(--text-dim); line-height: 1.6; margin-bottom: 1.5rem; }

.metric {
  font-family: var(--font-d);
  font-size: 1.9rem; font-weight: 700;
  color: var(--text); line-height: 1;
}

.metric-unit { font-size: 0.85rem; font-weight: 400; color: var(--text-dim); margin-left: 0.25rem; }
.metric-target { font-size: 0.75rem; color: var(--cyan); margin-top: 0.4rem; font-weight: 600; }

.revenue-divider { width: 1px; background: var(--border); align-self: stretch; }

.revenue-total {
  text-align: center;
  padding: 3rem;
  border: 1px solid rgba(255,107,53,0.28);
  border-radius: 8px;
  background: var(--coral-dim);
}

.total-label {
  display: block;
  font-size: 0.62rem; font-weight: 700;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--coral);
  margin-bottom: 0.75rem;
}

.total-value {
  font-family: var(--font-d);
  font-size: 3.75rem; font-weight: 800;
  color: #fff; line-height: 1;
}

.total-unit { font-size: 1.4rem; font-weight: 400; color: var(--coral); }

/* WHY NOW */
.why-now { padding: 8rem; }
.why-now-inner { max-width: 860px; margin: 0 auto; }

.why-now-title {
  font-family: var(--font-d);
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.12;
  margin-bottom: 1.5rem;
}

.why-now-body {
  font-size: 1.05rem; color: var(--text-dim);
  line-height: 1.7; margin-bottom: 3rem;
}

.why-now-stats { display: flex; gap: 4rem; margin-bottom: 3rem; }

.why-stat-value {
  font-family: var(--font-d);
  font-size: 2.5rem; font-weight: 800;
  color: var(--cyan); line-height: 1;
}

.why-stat-label {
  font-size: 0.75rem; color: var(--text-dim);
  margin-top: 0.4rem; max-width: 150px; line-height: 1.4;
}

.why-now-cta {
  font-family: var(--font-d);
  font-size: 1.05rem; font-weight: 600;
  color: var(--coral); font-style: italic;
}

/* CLOSING */
.closing {
  padding: 10rem 8rem;
  text-align: center;
  border-top: 1px solid var(--border);
}

.closing-inner { max-width: 780px; margin: 0 auto; }

.closing-headline {
  font-family: var(--font-d);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 1.75rem;
}

.closing-body {
  font-size: 1.05rem; color: var(--text-dim);
  line-height: 1.7; margin-bottom: 3rem;
  max-width: 620px; margin-left: auto; margin-right: auto;
}

.closing-vision {
  font-family: var(--font-d);
  font-size: 1.4rem; font-weight: 700;
  color: var(--cyan); letter-spacing: -0.01em;
}

/* FOOTER */
.footer {
  padding: 2.5rem 8rem;
  border-top: 1px solid var(--border);
  display: flex; align-items: center; gap: 1.5rem;
}

.footer-brand { font-family: var(--font-d); font-size: 1.1rem; font-weight: 800; letter-spacing: -0.02em; }
.footer-tagline { font-size: 0.75rem; color: var(--text-dim); }

.footer-link { font-size: 0.75rem; color: var(--text-dim); text-decoration: none; transition: color 0.2s; }
.footer-link:hover { color: var(--text); }

/* RESPONSIVE */
@media (max-width: 1024px) {
  .hero { padding: 5rem 4rem; }
  .how-it-works, .the-stack, .revenue-model, .why-now, .closing, .footer { padding-left: 4rem; padding-right: 4rem; }
  .stack-grid { grid-template-columns: repeat(3, 1fr); }
  .revenue-columns { flex-direction: column; align-items: center; }
  .revenue-divider { width: 100%; height: 1px; }
  .why-now-stats { flex-direction: column; gap: 2rem; }
}

@media (max-width: 768px) {
  .hero { grid-template-columns: 1fr; padding: 5rem 2rem 4rem; min-height: auto; }
  .hero-visual { display: none; }
  .how-it-works, .the-stack, .revenue-model, .why-now, .closing, .footer { padding-left: 2rem; padding-right: 2rem; }
  .steps { flex-direction: column; align-items: center; }
  .step-connector { width: 1px; height: 36px; margin: 0; }
  .stack-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; gap: 1.5rem; }
  .revenue-channel { max-width: 100%; }
  .revenue-total { padding: 2rem; }
  .total-value { font-size: 2.5rem; }
}