:root {
  --navy:        #0d1117;
  --navy2:       #161b22;
  --navy3:       #1c2333;
  --navy4:       #21262d;
  --blue:        #4cc9f0;
  --blue2:       #3aa8d8;
  --blue-dim:    rgba(76, 201, 240, 0.12);
  --blue-border: rgba(76, 201, 240, 0.3);
  --green:       #3fb950;
  --green-dim:   rgba(63, 185, 80, 0.12);
  --amber:       #d29922;
  --amber-dim:   rgba(210, 153, 34, 0.12);
  --red:         #f85149;
  --red-dim:     rgba(248, 81, 73, 0.12);
  --text1:       #e6edf3;
  --text2:       #8b949e;
  --text3:       #6e7681;
  --border:      rgba(255, 255, 255, 0.08);
  --border2:     rgba(76, 201, 240, 0.25);
  --radius:      8px;
  --radius2:     12px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, 'Segoe UI', sans-serif;
  background: var(--navy);
  color: var(--text1);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--blue);
  text-decoration: none;
  transition: color 0.15s;
}

a:hover {
  color: var(--blue2);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(13, 17, 23, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text1);
  font-weight: 700;
  font-size: 18px;
}

.logo:hover {
  color: var(--text1);
}

.logo-img {
  height: 32px;
  width: auto;
}

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

.nav-links a {
  color: var(--text2);
  font-size: 14px;
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--text1);
}

.nav-dashboard-btn {
  flex-shrink: 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  transition: all 0.15s;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
}

.btn-primary {
  background: var(--blue);
  color: var(--navy);
  border-color: var(--blue);
}

.btn-primary:hover {
  background: var(--blue2);
  color: var(--navy);
  border-color: var(--blue2);
}

.btn-ghost {
  background: transparent;
  color: var(--text2);
  border-color: var(--border);
}

.btn-ghost:hover {
  border-color: var(--text3);
  color: var(--text1);
}

.btn-lg {
  padding: 14px 28px;
  font-size: 16px;
}

.btn-sm {
  padding: 6px 14px;
  font-size: 13px;
}

/* Hero */
.hero {
  padding: 140px 0 100px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(76, 201, 240, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-text h1 {
  font-size: 56px;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 20px;
}

.highlight {
  background: linear-gradient(135deg, var(--blue), var(--blue2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 18px;
  color: var(--text2);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 480px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* Hero Visual */
.hero-visual {
  display: flex;
  justify-content: center;
}

.dashboard-scene {
  position: relative;
  width: 100%;
  max-width: 520px;
  aspect-ratio: 1;
}

.scene-stars {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(1.5px 1.5px at 10% 15%, var(--text3), transparent),
    radial-gradient(1px 1px at 25% 35%, var(--text3), transparent),
    radial-gradient(2px 2px at 45% 10%, var(--text3), transparent),
    radial-gradient(1px 1px at 60% 25%, var(--text3), transparent),
    radial-gradient(1.5px 1.5px at 75% 15%, var(--text3), transparent),
    radial-gradient(1px 1px at 85% 30%, var(--text3), transparent),
    radial-gradient(2px 2px at 15% 60%, var(--text3), transparent),
    radial-gradient(1px 1px at 30% 75%, var(--text3), transparent),
    radial-gradient(1.5px 1.5px at 50% 70%, var(--text3), transparent),
    radial-gradient(1px 1px at 70% 65%, var(--text3), transparent),
    radial-gradient(2px 2px at 90% 55%, var(--text3), transparent),
    radial-gradient(1px 1px at 20% 85%, var(--text3), transparent),
    radial-gradient(1.5px 1.5px at 55% 90%, var(--text3), transparent),
    radial-gradient(1px 1px at 80% 80%, var(--text3), transparent);
  background-size: 100% 100%;
  opacity: 0.6;
  pointer-events: none;
}

.scene-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
}

.scene-line {
  stroke: var(--blue-border);
  stroke-width: 1;
  stroke-dasharray: 5 4;
  animation: dashFlow 3s linear infinite;
  opacity: 0.7;
}

.scene-dot {
  fill: var(--blue);
  opacity: 0.9;
}

@keyframes dashFlow {
  to { stroke-dashoffset: -18; }
}

/* Main Dashboard */
.main-dashboard {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 260px;
  background: rgba(22, 27, 34, 0.85);
  backdrop-filter: blur(16px);
  border: 1px solid var(--blue-border);
  border-radius: var(--radius2);
  z-index: 3;
  box-shadow: 0 0 80px rgba(76, 201, 240, 0.12), 0 25px 50px rgba(0, 0, 0, 0.4);
  animation: dashboardFloat 6s ease-in-out infinite;
  overflow: hidden;
}

.dash-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% -20%, rgba(76, 201, 240, 0.15) 0%, transparent 60%);
  pointer-events: none;
}

.dash-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  position: relative;
  z-index: 1;
}

.dash-dots {
  display: flex;
  gap: 6px;
}

.dash-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--navy4);
}

.dash-dots span:first-child { background: var(--red); }
.dash-dots span:nth-child(2) { background: var(--amber); }
.dash-dots span:nth-child(3) { background: var(--green); }

.dash-title {
  flex: 1;
  font-size: 13px;
  font-weight: 700;
  color: var(--text1);
  letter-spacing: 0.3px;
}

.dash-live {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  font-weight: 700;
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.live-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: livePulse 2s ease-in-out infinite;
}

@keyframes livePulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.3); }
}

.dash-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
  z-index: 1;
}

.dash-hero {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.dash-revenue {
  font-size: 22px;
  font-weight: 800;
  color: var(--text1);
  letter-spacing: -0.5px;
}

.dash-revenue-label {
  font-size: 11px;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 500;
}

.dash-chart {
  display: flex;
  align-items: flex-end;
  gap: 5px;
  height: 50px;
}

.chart-bar {
  flex: 1;
  height: var(--h);
  background: linear-gradient(to top, rgba(76, 201, 240, 0.6), rgba(76, 201, 240, 0.9));
  border-radius: 2px 2px 0 0;
  animation: chartPulse 2.5s ease-in-out infinite;
}

.chart-bar:nth-child(1) { animation-delay: 0.1s; }
.chart-bar:nth-child(2) { animation-delay: 0.2s; }
.chart-bar:nth-child(3) { animation-delay: 0.3s; }
.chart-bar:nth-child(4) { animation-delay: 0.4s; }
.chart-bar:nth-child(5) { animation-delay: 0.5s; }
.chart-bar:nth-child(6) { animation-delay: 0.6s; }
.chart-bar:nth-child(7) { animation-delay: 0.7s; }
.chart-bar:nth-child(8) { animation-delay: 0.8s; }
.chart-bar:nth-child(9) { animation-delay: 0.9s; }
.chart-bar:nth-child(10) { animation-delay: 1s; }

@keyframes chartPulse {
  0%, 100% { opacity: 0.7; }
  50% { opacity: 1; }
}

.dash-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  gap: 8px;
}

.dash-tag {
  font-size: 10px;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.tag-blue {
  background: var(--blue-dim);
  color: var(--blue);
  border: 1px solid var(--blue-border);
}

.tag-green {
  background: var(--green-dim);
  color: var(--green);
  border: 1px solid rgba(63, 185, 80, 0.3);
}

.tag-amber {
  background: var(--amber-dim);
  color: var(--amber);
  border: 1px solid rgba(210, 153, 34, 0.3);
}

/* Orbit Panels */
.orbit-panel {
  position: absolute;
  left: var(--ox);
  top: var(--oy);
  transform: translate(-50%, -50%);
  background: rgba(22, 27, 34, 0.9);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  padding: 10px 14px;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: orbitFloat 5s ease-in-out infinite;
  animation-delay: var(--delay);
  box-shadow: 0 0 30px rgba(76, 201, 240, 0.08), 0 10px 20px rgba(0, 0, 0, 0.3);
}

.orbit-pulse {
  position: absolute;
  inset: -3px;
  border-radius: inherit;
  background: radial-gradient(circle, rgba(76, 201, 240, 0.2) 0%, transparent 70%);
  opacity: 0.5;
  pointer-events: none;
  animation: pulseGlow 3s ease-in-out infinite;
  animation-delay: var(--delay);
}

@keyframes pulseGlow {
  0%, 100% { opacity: 0.3; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(1.05); }
}

.orbit-body {
  display: flex;
  align-items: center;
  gap: 10px;
  position: relative;
  z-index: 1;
}

.orbit-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: livePulse 2s ease-in-out infinite;
}

.orbit-name {
  font-size: 12px;
  font-weight: 600;
  color: var(--text1);
  white-space: nowrap;
  letter-spacing: 0.2px;
}

@keyframes orbitFloat {
  0%, 100% { transform: translate(-50%, -50%) translateY(0); }
  50% { transform: translate(-50%, -50%) translateY(-10px); }
}

@keyframes dashboardFloat {
  0%, 100% { transform: translate(-50%, -50%) translateY(0); }
  50% { transform: translate(-50%, -50%) translateY(-8px); }
}

/* Section Header */
.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 60px;
}

.section-header h2 {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}

.section-header p {
  font-size: 16px;
  color: var(--text2);
}

/* Features */
.features {
  padding: 100px 0;
  background: var(--navy);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--navy2);
  border: 1px solid var(--border);
  border-radius: var(--radius2);
  padding: 28px;
  transition: border-color 0.15s, transform 0.15s;
}

.feature-card:hover {
  border-color: var(--border2);
  transform: translateY(-2px);
}

.feature-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--blue-dim);
  border: 1px solid var(--blue-border);
  border-radius: var(--radius);
  color: var(--blue);
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 14px;
  color: var(--text2);
  line-height: 1.6;
}

/* How It Works */
.how-it-works {
  padding: 100px 0;
  background: var(--navy2);
}

.steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
}

.step {
  flex: 1;
  max-width: 320px;
  text-align: center;
  padding: 0 16px;
}

.step-number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--blue-dim);
  border: 1px solid var(--blue-border);
  color: var(--blue);
  font-size: 18px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.step h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.step p {
  font-size: 14px;
  color: var(--text2);
  line-height: 1.6;
}

.step-connector {
  width: 80px;
  height: 2px;
  background: var(--border);
  margin-top: 24px;
  position: relative;
}

.step-connector::after {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-left: 6px solid var(--text3);
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
}

/* Social Proof */
.social-proof {
  padding: 80px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat-value {
  display: block;
  font-size: 28px;
  font-weight: 700;
  color: var(--blue);
  margin-bottom: 6px;
}

.stat-label {
  font-size: 13px;
  color: var(--text2);
  font-weight: 500;
}

/* CTA Section */
.cta-section {
  padding: 100px 0;
}

.cta-box {
  background: linear-gradient(135deg, var(--navy2) 0%, var(--navy3) 100%);
  border: 1px solid var(--border2);
  border-radius: var(--radius2);
  padding: 64px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(76, 201, 240, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.cta-box h2 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 12px;
  position: relative;
}

.cta-box p {
  font-size: 16px;
  color: var(--text2);
  margin-bottom: 28px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
}

/* Footer */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
  background: var(--navy);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  text-align: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  color: var(--text1);
}

.footer-logo {
  height: 24px;
  width: auto;
}

.footer-contacts {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  justify-content: center;
}

.contact-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 16px 24px;
  background: var(--navy2);
  border: 1px solid var(--border);
  border-radius: var(--radius2);
  color: var(--text1);
  text-decoration: none;
  transition: border-color 0.15s;
  min-width: 220px;
}

.contact-card:hover {
  border-color: var(--border2);
  color: var(--text1);
}

.contact-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--blue);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.contact-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text1);
}

.contact-email {
  font-size: 13px;
  color: var(--text2);
}

.footer-copy {
  font-size: 13px;
  color: var(--text3);
}

.text-green {
  color: var(--green);
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .hero-text h1 {
    font-size: 40px;
  }

  .hero-sub {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-visual {
    order: -1;
  }

  .dashboard-scene {
    max-width: 400px;
  }

  .main-dashboard {
    width: 220px;
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .steps {
    flex-direction: column;
    align-items: center;
    gap: 32px;
  }

  .step-connector {
    width: 2px;
    height: 40px;
    margin: 0;
  }

  .step-connector::after {
    right: 50%;
    top: auto;
    bottom: 0;
    transform: translateX(50%);
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 6px solid var(--text3);
    border-bottom: none;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .nav-links {
    display: none;
  }

  .hero {
    padding: 120px 0 60px;
  }

  .hero-text h1 {
    font-size: 32px;
  }

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

  .stats-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .cta-box h2 {
    font-size: 24px;
  }

  .section-header h2 {
    font-size: 28px;
  }

  .main-dashboard {
    width: 200px;
  }

  .dash-revenue {
    font-size: 18px;
  }

  .orbit-panel {
    padding: 8px 10px;
  }

  .orbit-name {
    font-size: 10px;
  }
}