:root {
  --bg: #060D1F;
  --bg-2: #0A1428;
  --bg-3: #0F1D38;
  --cyan: #00D4FF;
  --amber: #F59E0B;
  --text: #C8D8E8;
  --text-dim: #6B8099;
  --border: rgba(0, 212, 255, 0.1);
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Syne', sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

/* NAV */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
  border-bottom: 1px solid var(--border);
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.5px;
}
.nav-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'DM Mono', monospace;
  font-size: 12px;
  color: var(--text-dim);
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}
.nav-link {
  font-family: 'DM Mono', monospace;
  font-size: 12px;
  color: var(--cyan);
  text-decoration: none;
  border: 1px solid var(--cyan);
  padding: 6px 16px;
  border-radius: 4px;
  transition: background 0.2s, color 0.2s;
}
.nav-link:hover {
  background: var(--cyan);
  color: var(--bg);
}
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* HERO */
.hero {
  padding: 80px 48px 60px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}
.hero-tag {
  font-family: 'DM Mono', monospace;
  font-size: 12px;
  color: var(--cyan);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.hero-tag::before {
  content: '';
  display: block;
  width: 24px;
  height: 1px;
  background: var(--cyan);
}
.hero-title {
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 24px;
}
.cyan { color: var(--cyan); }
.hero-sub {
  font-size: 16px;
  color: var(--text-dim);
  max-width: 480px;
  line-height: 1.7;
}

/* RADAR */
.hero-radar {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.radar-wrap {
  position: relative;
  width: 280px;
  height: 280px;
}
.radar-sweep {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid rgba(0, 212, 255, 0.2);
  background: radial-gradient(circle, transparent 30%, rgba(0, 212, 255, 0.03) 100%);
  overflow: hidden;
}
.radar-sweep::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 50%;
  height: 2px;
  background: linear-gradient(to right, var(--cyan), transparent);
  transform-origin: left center;
  animation: sweep 4s linear infinite;
}
.radar-sweep::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  border-radius: 50%;
  background: conic-gradient(from 0deg at 50% 50%, transparent 0deg, rgba(0,212,255,0.04) 30deg, transparent 60deg);
  animation: sweep 4s linear infinite;
}
@keyframes sweep {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
.rings {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(0, 212, 255, 0.15);
}
.ring-1 { width: 90px; height: 90px; }
.ring-2 { width: 160px; height: 160px; }
.ring-3 { width: 230px; height: 230px; }
.radar-blips {
  position: absolute;
  inset: 0;
}
.blip {
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
  animation: blink 3s ease-in-out infinite;
}
.blip-1 { top: 40px; left: 120px; animation-delay: 0s; }
.blip-2 { top: 160px; left: 40px; animation-delay: 0.7s; }
.blip-3 { top: 80px; right: 30px; animation-delay: 1.4s; }
.blip-4 { bottom: 60px; left: 90px; animation-delay: 2.1s; }
@keyframes blink {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.3; transform: scale(0.5); }
}
.radar-crosshair {
  position: absolute;
  inset: 0;
}
.radar-crosshair::before, .radar-crosshair::after {
  content: '';
  position: absolute;
  background: rgba(0, 212, 255, 0.08);
}
.radar-crosshair::before {
  top: 50%; left: 0; right: 0;
  height: 1px;
}
.radar-crosshair::after {
  left: 50%; top: 0; bottom: 0;
  width: 1px;
}
.radar-center {
  position: absolute;
  top: 50%; left: 50%;
  width: 8px; height: 8px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 16px var(--cyan);
}
.radar-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.label-tag {
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--text-dim);
}
.label-count {
  font-family: 'DM Mono', monospace;
  font-size: 12px;
  color: var(--cyan);
}

/* HERO STATS */
.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  margin-top: 80px;
  padding: 40px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}
.stat { text-align: center; }
.stat-value {
  font-size: 36px;
  font-weight: 800;
  color: var(--cyan);
  letter-spacing: -1px;
}
.stat-desc {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 6px;
  letter-spacing: 0.5px;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* SECTION TAG */
.section-tag {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--cyan);
  display: block;
  margin-bottom: 20px;
}

/* OPERATION */
.operation {
  padding: 100px 48px;
  background: var(--bg-2);
}
.op-header {
  text-align: center;
  margin-bottom: 60px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.op-header h2 {
  font-size: 36px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -1px;
}
.op-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  max-width: 1000px;
  margin: 0 auto;
  background: var(--border);
  border: 1px solid var(--border);
}
.op-card {
  background: var(--bg-2);
  padding: 40px;
  transition: background 0.3s;
}
.op-card:hover { background: var(--bg-3); }
.op-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.op-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
}
.op-card p {
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.7;
}

/* HOW */
.how {
  padding: 100px 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  max-width: 1200px;
  margin: 0 auto;
  align-items: start;
}
.how-left h2 {
  font-size: 36px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -1px;
  margin-bottom: 16px;
}
.how-desc {
  color: var(--text-dim);
  font-size: 15px;
  margin-bottom: 40px;
}
.how-steps { display: flex; flex-direction: column; gap: 32px; }
.step { display: flex; gap: 20px; }
.step-num {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  color: var(--cyan);
  padding-top: 4px;
  flex-shrink: 0;
}
.step-body h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 6px;
}
.step-body p {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.6;
}

/* BRIEF PREVIEW */
.brief-preview {
  background: #081224;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  font-family: 'DM Mono', monospace;
}
.brief-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-3);
}
.brief-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot-red { background: #FF5F57; }
.dot-yellow { background: #FFBD2E; }
.dot-green { background: #28CA41; }
.brief-title {
  font-size: 12px;
  font-weight: 500;
  color: var(--text);
  margin-left: 8px;
}
.brief-date {
  font-size: 11px;
  color: var(--text-dim);
  margin-left: auto;
}
.brief-body { padding: 20px; }
.brief-signal {
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 4px;
  margin-bottom: 12px;
  font-size: 12px;
  line-height: 1.6;
}
.signal-alert {
  border-color: rgba(245, 158, 11, 0.3);
  background: rgba(245, 158, 11, 0.05);
}
.signal-badge {
  font-size: 9px;
  letter-spacing: 2px;
  color: var(--amber);
  margin-bottom: 8px;
  font-weight: 500;
}
.brief-meta {
  display: flex;
  gap: 12px;
  font-size: 10px;
  color: var(--text-dim);
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

/* BRIEF SECTION */
.brief-section {
  padding: 100px 48px;
  background: var(--bg-2);
}
.brief-section-inner { max-width: 1200px; margin: 0 auto; }
.brief-section h2 {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 60px;
  text-align: center;
}
.brief-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
}
.fact {
  background: var(--bg-2);
  padding: 48px 40px;
  text-align: center;
}
.fact-number {
  font-size: 56px;
  font-weight: 800;
  color: var(--cyan);
  letter-spacing: -3px;
  margin-bottom: 16px;
}
.fact p {
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.6;
}

/* PRINCIPLES */
.principles {
  padding: 100px 48px;
  background: var(--bg);
}
.principles-inner { max-width: 1200px; margin: 0 auto; }
.principles .section-tag { margin-bottom: 40px; }
.principles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 60px;
}
.principle h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text);
}
.principle p {
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.7;
}

/* CLOSING */
.closing {
  padding: 120px 48px;
  text-align: center;
}
.closing-inner { max-width: 700px; margin: 0 auto; }
.closing-icon {
  margin-bottom: 40px;
  display: flex;
  justify-content: center;
}
.closing h2 {
  font-size: 40px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1.5px;
  margin-bottom: 24px;
}
.closing p {
  font-size: 16px;
  color: var(--text-dim);
  line-height: 1.7;
}

/* FOOTER */
.footer {
  padding: 40px 48px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 16px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 14px;
  opacity: 0.5;
}
.footer p {
  font-family: 'DM Mono', monospace;
  font-size: 12px;
  color: var(--text-dim);
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero-grid, .how {
    grid-template-columns: 1fr;
  }
  .hero-radar { margin-top: 40px; }
  .op-grid, .brief-facts, .principles-grid {
    grid-template-columns: 1fr;
  }
  .nav { padding: 16px 24px; }
  .hero, .operation, .how, .brief-section, .principles, .closing {
    padding-left: 24px;
    padding-right: 24px;
  }
  .hero-stats { flex-direction: column; gap: 24px; }
  .stat-divider { display: none; }
  .brief-section h2 { font-size: 26px; }
  .closing h2 { font-size: 28px; }
}