@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg-main: #08090d;
  --bg-card: #0f111a;
  --bg-card-hover: #141724;
  --border-color: rgba(255, 255, 255, 0.07);
  --border-color-hover: rgba(255, 255, 255, 0.15);
  
  --primary-blue: #0088ff;
  --accent-cyan: #00d9ff;
  --status-green: #10b981;
  --status-red: #ef4444;
  
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --text-dim: #6b7280;
  
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", monospace;
  
  --transition-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--text-main);
  background-color: var(--bg-main);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

#three-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
}

/* Minimalist technical grid pattern background */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: 
    linear-gradient(rgba(255, 255, 255, 0.01) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.01) 1px, transparent 1px);
  background-size: 50px 50px;
  z-index: 1;
}

.wrap {
  width: min(1200px, 90vw);
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

/* Header */
.nav-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: rgba(8, 9, 13, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition-normal);
}

.nav-header.scrolled {
  background: #08090d;
  border-bottom: 1px solid var(--border-color-hover);
}

.nav-container {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text-main);
  text-decoration: none;
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.5px;
}

.logo-mark {
  width: 28px;
  height: 28px;
  border: 1px solid var(--border-color-hover);
  border-radius: 4px;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.02);
}

.logo-mark img {
  width: 18px;
  height: 18px;
  object-fit: contain;
  display: block;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-link a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition-normal);
  padding: 6px 0;
}

.nav-link a:hover {
  color: var(--text-main);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

/* Premium Minimalist Button */
.btn-minimal {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition-normal);
}

.btn-minimal.primary {
  background-color: var(--text-main);
  color: var(--bg-main);
  border: 1px solid var(--text-main);
}

.btn-minimal.primary:hover {
  background-color: transparent;
  color: var(--text-main);
  transform: translateY(-1px);
}

.btn-minimal.secondary {
  background-color: transparent;
  color: var(--text-main);
  border: 1px solid var(--border-color-hover);
}

.btn-minimal.secondary:hover {
  background-color: rgba(255, 255, 255, 0.05);
  border-color: var(--text-main);
}

/* Hero Section */
.hero {
  padding-top: 150px;
  padding-bottom: 80px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.hero-tag {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  padding: 6px 12px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
}

.hero-tag i {
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--status-green);
  border-radius: 50%;
}

.hero-title {
  font-size: clamp(38px, 4.5vw, 56px);
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -1.5px;
  color: #fff;
}

.hero-desc {
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-muted);
  max-width: 520px;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 8px;
}

.platform-info {
  display: flex;
  gap: 16px;
  align-items: center;
  font-size: 13px;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

.platform-info span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.platform-info span::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 4px;
  background: var(--text-dim);
  border-radius: 50%;
}

.platform-info span:first-child::before {
  display: none;
}

/* Minimalist Speed Connection Path Diagram */
.hero-visual {
  display: flex;
  justify-content: center;
}

.route-diagram {
  width: 100%;
  max-width: 480px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  font-family: var(--font-mono);
  font-size: 12px;
}

.diagram-header {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 12px;
}

.diagram-title {
  color: var(--text-muted);
  font-weight: bold;
}

.diagram-status {
  color: var(--status-green);
}

.diagram-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.route-step {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 16px;
  position: relative;
  transition: var(--transition-normal);
}

.route-step:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border-color-hover);
}

.step-label {
  color: var(--text-dim);
  font-size: 10px;
  margin-bottom: 4px;
}

.step-value {
  color: var(--text-main);
  font-weight: 500;
  font-size: 13px;
  display: flex;
  justify-content: space-between;
}

.step-metrics {
  color: var(--accent-cyan);
}

.route-connector {
  height: 24px;
  position: relative;
  display: flex;
  justify-content: center;
}

.connector-line {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 1.5px;
  background: repeating-linear-gradient(
    to bottom,
    transparent,
    transparent 4px,
    var(--border-color-hover) 4px,
    var(--border-color-hover) 8px
  );
}

.connector-line.active {
  background: repeating-linear-gradient(
    to bottom,
    transparent,
    transparent 4px,
    var(--primary-blue) 4px,
    var(--primary-blue) 8px
  );
  animation: lineScroll 0.8s linear infinite;
}

@keyframes lineScroll {
  to {
    background-position-y: 12px;
  }
}

/* Feature stats bar */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 32px 0;
  margin-top: 20px;
  margin-bottom: 80px;
}

.stat-box {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.stat-number {
  font-size: 28px;
  font-weight: 700;
  color: #fff;
  font-family: var(--font-mono);
}

.stat-label {
  font-size: 13px;
  color: var(--text-muted);
}

/* Main Section Content */
.section {
  padding: 80px 0;
}

.section-header {
  margin-bottom: 48px;
  max-width: 580px;
}

.section-subtitle {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--primary-blue);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
  display: block;
}

.section-title {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: #fff;
  margin-bottom: 12px;
}

.section-desc {
  color: var(--text-muted);
  font-size: 15px;
}

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

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 32px;
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.feature-icon {
  width: 36px;
  height: 36px;
  color: var(--text-main);
  border: 1.5px solid var(--border-color-hover);
  border-radius: 6px;
  display: grid;
  place-items: center;
}

.feature-icon svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.feature-title {
  font-size: 18px;
  font-weight: 600;
  color: #fff;
}

.feature-text {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.6;
}

/* Real-Time Node List Section */
.nodes-section {
  border-top: 1px solid var(--border-color);
  padding: 80px 0;
}

.table-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
}

.node-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 13px;
}

.node-table th {
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--border-color);
  padding: 16px 24px;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 11px;
  text-transform: uppercase;
}

.node-table td {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-main);
}

.node-table tr:last-child td {
  border-bottom: none;
}

.node-table tr:hover td {
  background: rgba(255, 255, 255, 0.01);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.status-dot.active {
  background: var(--status-green);
}

.latency-value {
  color: var(--status-green);
}

/* Foot section */
.footer {
  border-top: 1px solid var(--border-color);
  background: #06070a;
  padding: 48px 0;
  font-size: 13px;
  color: var(--text-dim);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 600;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  color: var(--text-dim);
  text-decoration: none;
  transition: var(--transition-normal);
}

.footer-links a:hover {
  color: var(--text-main);
}

/* Responsiveness */
@media (max-width: 960px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 40px;
    padding-top: 120px;
  }
  
  .hero-visual {
    order: -1;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .nav-links {
    display: none;
  }
  
  .stats-bar {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .footer-inner {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}