:root {
  --bg: #070b12;
  --bg-card: #0c1320;
  --bg-card-hover: #111c2e;
  --fg: #e8edf5;
  --fg-muted: #7a8ba8;
  --cyan: #00e5ff;
  --cyan-dim: rgba(0, 229, 255, 0.12);
  --amber: #ffb340;
  --amber-dim: rgba(255, 179, 64, 0.12);
  --border: rgba(0, 229, 255, 0.15);
  --border-dim: rgba(0, 229, 255, 0.07);
  --mono: 'JetBrains Mono', monospace;
  --display: 'Syne', sans-serif;
  --radius: 8px;
}

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

html { scroll-behavior: smooth; }

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

/* ─── NAV ─── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(7, 11, 18, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-dim);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav-logo {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  color: var(--cyan);
}
.nav-links {
  display: flex;
  gap: 2rem;
  margin-left: auto;
}
.nav-links a {
  color: var(--fg-muted);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--fg); }
.nav-badge {
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--fg-muted);
  border: 1px solid var(--border-dim);
  padding: 0.3rem 0.7rem;
  border-radius: 4px;
}

/* ─── HERO ─── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 2rem 5rem;
}
.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.hero-kicker {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: var(--cyan);
  text-transform: uppercase;
  margin-bottom: 1.2rem;
}
.hero-headline {
  font-size: clamp(2.2rem, 4vw, 3.8rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}
.hero-headline .highlight {
  color: var(--cyan);
}
.hero-lede {
  font-size: 1.05rem;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 480px;
  font-family: var(--display);
  font-weight: 400;
}

/* ─── RADAR VISUAL ─── */
.hero-visual {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.radar-container {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  max-width: 360px;
  margin: 0 auto;
}
.radar-rings { position: absolute; inset: 0; }
.ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(0, 229, 255, 0.18);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}
.ring-1 { width: 25%; height: 25%; }
.ring-2 { width: 50%; height: 50%; }
.ring-3 { width: 75%; height: 75%; }
.ring-4 { width: 100%; height: 100%; }
.radar-sweep {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(from 0deg, transparent 0deg, rgba(0, 229, 255, 0.08) 30deg, transparent 60deg);
  animation: sweep 6s linear infinite;
}
@keyframes sweep {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
.radar-center-dot {
  position: absolute;
  width: 12px; height: 12px;
  background: var(--cyan);
  border-radius: 50%;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 20px var(--cyan);
}
.radar-blips { position: absolute; inset: 0; }
.blip {
  position: absolute;
  width: 8px; height: 8px;
  background: var(--cyan);
  border-radius: 50%;
  animation: blink 2.5s ease-in-out infinite;
}
.blip::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1px solid rgba(0, 229, 255, 0.4);
  animation: pulse 2.5s ease-in-out infinite;
}
.blip-1 { top: 15%; left: 72%; animation-delay: 0s; }
.blip-2 { top: 62%; left: 85%; animation-delay: 0.4s; }
.blip-3 { top: 75%; left: 25%; animation-delay: 0.8s; }
.blip-4 { top: 30%; left: 20%; animation-delay: 1.2s; }
.blip-5 { top: 52%; left: 50%; animation-delay: 1.6s; }
@keyframes blink {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.7); }
}
@keyframes pulse {
  0% { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(2.5); opacity: 0; }
}
.radar-label-top { position: absolute; top: 5%; left: 50%; transform: translateX(-50%); font-family: var(--mono); font-size: 0.6rem; color: var(--fg-muted); letter-spacing: 0.1em; }
.radar-label-right { position: absolute; top: 50%; right: 2%; transform: translateY(-50%); font-family: var(--mono); font-size: 0.6rem; color: var(--fg-muted); letter-spacing: 0.1em; }
.radar-label-bottom-left { position: absolute; bottom: 8%; left: 8%; font-family: var(--mono); font-size: 0.6rem; color: var(--fg-muted); letter-spacing: 0.1em; }
.radar-label-top-right { position: absolute; top: 18%; right: 10%; font-family: var(--mono); font-size: 0.6rem; color: var(--fg-muted); letter-spacing: 0.1em; }

/* ─── ALERT CARDS ─── */
.hero-alert-preview {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.alert-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.2rem;
}
.alert-card.alert-dimmed { opacity: 0.5; }
.alert-time {
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--cyan);
  margin-bottom: 0.3rem;
  letter-spacing: 0.05em;
}
.alert-title {
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.25rem;
}
.alert-body {
  font-size: 0.78rem;
  color: var(--fg-muted);
  line-height: 1.5;
  margin-bottom: 0.5rem;
}
.alert-tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.6rem;
  padding: 0.2rem 0.5rem;
  border-radius: 3px;
  background: var(--cyan-dim);
  color: var(--cyan);
}

/* ─── SECTION COMMON ─── */
.section-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: var(--cyan);
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.section-headline {
  font-size: clamp(1.8rem, 3.5vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 1.2rem;
}
.section-sub {
  color: var(--fg-muted);
  font-size: 1rem;
  line-height: 1.7;
  max-width: 580px;
  font-weight: 400;
}

/* ─── SIGNALS ─── */
.signals {
  padding: 7rem 2rem;
  border-top: 1px solid var(--border-dim);
}
.signals-header {
  max-width: 1200px;
  margin: 0 auto 4rem;
}
.signal-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.signal-card {
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius);
  padding: 2rem;
  transition: border-color 0.3s;
}
.signal-card:hover {
  border-color: var(--border);
}
.signal-icon {
  margin-bottom: 1.2rem;
}
.signal-name {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
}
.signal-desc {
  font-size: 0.85rem;
  color: var(--fg-muted);
  line-height: 1.6;
  font-weight: 400;
}

/* ─── METHODOLOGY ─── */
.methodology {
  padding: 7rem 2rem;
  border-top: 1px solid var(--border-dim);
  background: linear-gradient(180deg, var(--bg) 0%, rgba(0,229,255,0.02) 50%, var(--bg) 100%);
}
.methodology-header {
  max-width: 1200px;
  margin: 0 auto 5rem;
}
.method-steps {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
  position: relative;
}
.step { position: relative; }
.step-number {
  font-family: var(--mono);
  font-size: 2.5rem;
  font-weight: 500;
  color: var(--border);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}
.step-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.8rem;
}
.step-body {
  font-size: 0.88rem;
  color: var(--fg-muted);
  line-height: 1.7;
  font-weight: 400;
}
.step-connector {
  position: absolute;
  top: 2.5rem;
  right: -1.5rem;
  width: 3rem;
  height: 1px;
  background: linear-gradient(90deg, var(--border), transparent);
}

/* ─── PRICING ─── */
.pricing {
  padding: 7rem 2rem;
  border-top: 1px solid var(--border-dim);
}
.pricing-header {
  max-width: 1200px;
  margin: 0 auto 4rem;
}
.pricing-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  align-items: start;
}
.plan-card {
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius);
  padding: 2.5rem;
  position: relative;
}
.plan-featured {
  border-color: var(--cyan);
  box-shadow: 0 0 40px rgba(0, 229, 255, 0.08);
}
.plan-badge {
  position: absolute;
  top: -0.7rem;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--bg);
  color: var(--cyan);
  border: 1px solid var(--cyan);
  padding: 0.2rem 0.8rem;
  border-radius: 4px;
  white-space: nowrap;
}
.plan-name {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--fg-muted);
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.plan-price {
  margin-bottom: 0.8rem;
}
.plan-price .price {
  font-size: 2.8rem;
  font-weight: 700;
}
.plan-price .per {
  font-size: 0.9rem;
  color: var(--fg-muted);
}
.plan-tagline {
  font-size: 0.82rem;
  color: var(--fg-muted);
  margin-bottom: 1.5rem;
  line-height: 1.5;
}
.plan-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}
.plan-features li {
  font-size: 0.85rem;
  color: var(--fg-muted);
  padding-left: 1.2rem;
  position: relative;
}
.plan-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--cyan);
}

/* ─── MANIFESTO ─── */
.manifesto {
  padding: 8rem 2rem;
  border-top: 1px solid var(--border-dim);
}
.manifesto-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}
.manifesto-quote {
  font-size: clamp(1.3rem, 2.5vw, 2rem);
  font-weight: 600;
  line-height: 1.4;
  margin: 1.5rem 0 3rem;
  font-style: normal;
}
.manifesto-body {
  text-align: left;
}
.manifesto-body p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.8;
  margin-bottom: 1.2rem;
}

/* ─── FOOTER ─── */
.footer {
  padding: 4rem 2rem;
  border-top: 1px solid var(--border-dim);
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}
.footer-logo {
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  color: var(--cyan);
  display: block;
  margin-bottom: 0.5rem;
}
.footer-tagline {
  font-size: 0.82rem;
  color: var(--fg-muted);
}
.footer-note {
  font-size: 0.8rem;
  color: var(--fg-muted);
  margin-bottom: 0.4rem;
}
.footer-copy {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--fg-muted);
}

/* ─── MOBILE ─── */
@media (max-width: 768px) {
  .hero-content { grid-template-columns: 1fr; gap: 3rem; }
  .hero-headline { font-size: 2.2rem; }
  .signal-grid { grid-template-columns: 1fr; }
  .method-steps { grid-template-columns: 1fr; }
  .step-connector { display: none; }
  .pricing-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .footer-inner { flex-direction: column; gap: 2rem; }
  .radar-container { max-width: 280px; }
}