:root {
  --bg-dark: #070a0d;
  --bg-panel: #0d1319;
  --bg-card: rgba(15, 23, 31, 0.75);
  --bg-glass: rgba(20, 30, 42, 0.55);
  --accent-green: #00ff88;
  --accent-cyan: #00e5ff;
  --accent-amber: #ffb300;
  --accent-red: #ff334b;
  --text-main: #f0f6fc;
  --text-muted: #8b949e;
  --text-dim: #48525d;
  --border-subtle: rgba(0, 255, 136, 0.15);
  --border-cyan: rgba(0, 229, 255, 0.2);
  --border-glow: rgba(0, 255, 136, 0.4);
  --font-display: 'Orbitron', 'Rajdhani', -apple-system, sans-serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --radius-sm: 4px;
  --radius-md: 10px;
  --radius-lg: 18px;
  --shadow-glow: 0 0 25px rgba(0, 255, 136, 0.2);
  --shadow-cyan: 0 0 25px rgba(0, 229, 255, 0.2);
}

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

html {
  scroll-behavior: smooth;
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-body);
}

body {
  overflow-x: hidden;
  position: relative;
  background: radial-gradient(circle at 50% 0%, rgba(0, 229, 255, 0.08) 0%, transparent 60%),
              radial-gradient(circle at 80% 40%, rgba(0, 255, 136, 0.05) 0%, transparent 50%),
              var(--bg-dark);
  min-height: 100vh;
}

/* Background Cyber Grid */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(0, 255, 136, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 136, 0.02) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Telemetry Top Bar */
.telemetry-ticker {
  position: relative;
  z-index: 100;
  background: rgba(7, 10, 13, 0.95);
  border-bottom: 1px solid var(--border-subtle);
  padding: 6px 20px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-green);
  display: flex;
  justify-content: space-between;
  align-items: center;
  letter-spacing: 0.05em;
  overflow: hidden;
}

.ticker-items {
  display: flex;
  gap: 25px;
  align-items: center;
}

.pulse-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-green);
  box-shadow: 0 0 10px var(--accent-green);
  animation: pulse 2s infinite;
  margin-right: 6px;
}

@keyframes pulse {
  0% { transform: scale(0.9); opacity: 0.6; }
  50% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.6; }
}

/* Navigation */
.navbar {
  position: sticky;
  top: 0;
  z-index: 99;
  background: rgba(13, 19, 25, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  padding: 14px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  border: 1px solid var(--border-subtle);
  box-shadow: 0 0 12px rgba(0, 255, 136, 0.3);
}

.brand-text {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  background: linear-gradient(135deg, #ffffff 40%, var(--accent-green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  background: rgba(0, 255, 136, 0.15);
  color: var(--accent-green);
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid var(--border-subtle);
  font-weight: 600;
}

.nav-links {
  display: flex;
  gap: 28px;
  font-size: 0.9rem;
  font-weight: 500;
  align-items: center;
}

.nav-link {
  color: var(--text-muted);
  transition: color 0.2s ease;
  position: relative;
}

.nav-link:hover {
  color: var(--accent-green);
}

.nav-cta {
  background: linear-gradient(135deg, rgba(0, 255, 136, 0.2), rgba(0, 229, 255, 0.2));
  border: 1px solid var(--accent-green);
  color: #ffffff;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  transition: all 0.3s ease;
  box-shadow: 0 0 15px rgba(0, 255, 136, 0.2);
}

.nav-cta:hover {
  background: var(--accent-green);
  color: var(--bg-dark);
  box-shadow: 0 0 25px rgba(0, 255, 136, 0.5);
  transform: translateY(-1px);
}

/* Container */
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* Hero Section */
.hero-section {
  padding: 80px 0 100px;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 255, 136, 0.08);
  border: 1px solid var(--border-subtle);
  color: var(--accent-green);
  padding: 6px 16px;
  border-radius: 30px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: 0.04em;
  margin-bottom: 24px;
  text-transform: uppercase;
}

.hero-title span.glow-green {
  color: var(--accent-green);
  text-shadow: 0 0 35px rgba(0, 255, 136, 0.4);
}

.hero-title span.glow-cyan {
  color: var(--accent-cyan);
  text-shadow: 0 0 35px rgba(0, 229, 255, 0.4);
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 780px;
  margin: 0 auto 40px;
  line-height: 1.6;
}

.hero-cta-group {
  display: flex;
  gap: 18px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--accent-green);
  color: #06090c;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  transition: all 0.25s ease;
  box-shadow: 0 0 25px rgba(0, 255, 136, 0.35);
}

.btn-primary:hover {
  background: #26ff9a;
  box-shadow: 0 0 35px rgba(0, 255, 136, 0.6);
  transform: translateY(-2px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(13, 19, 25, 0.8);
  border: 1px solid var(--border-cyan);
  color: var(--accent-cyan);
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  transition: all 0.25s ease;
}

.btn-secondary:hover {
  background: rgba(0, 229, 255, 0.15);
  border-color: var(--accent-cyan);
  box-shadow: 0 0 25px rgba(0, 229, 255, 0.3);
  transform: translateY(-2px);
}

/* Hero Visual Showcase */
.hero-visual-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 16px;
  position: relative;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8), 0 0 40px rgba(0, 255, 136, 0.1);
  overflow: hidden;
  max-width: 1050px;
  margin: 0 auto;
}

.hero-visual-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  padding-bottom: 12px;
  margin-bottom: 16px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-cyan);
}

.hero-visual-image {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  display: block;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Ecosystem Grid (3 Pillars) */
.section-title-wrap {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-green);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 10px;
}

.section-title {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.pillar-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 100px;
}

.pillar-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
}

.pillar-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow);
}

.pillar-card.cyan:hover {
  border-color: var(--border-cyan);
  box-shadow: var(--shadow-cyan);
}

.pillar-card.amber:hover {
  border-color: rgba(255, 179, 0, 0.4);
  box-shadow: 0 0 25px rgba(255, 179, 0, 0.2);
}

.pillar-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 20px;
  align-self: flex-start;
}

.badge-software {
  background: rgba(0, 255, 136, 0.12);
  color: var(--accent-green);
  border: 1px solid var(--border-subtle);
}

.badge-hardware {
  background: rgba(0, 229, 255, 0.12);
  color: var(--accent-cyan);
  border: 1px solid var(--border-cyan);
}

.badge-station {
  background: rgba(255, 179, 0, 0.12);
  color: var(--accent-amber);
  border: 1px solid rgba(255, 179, 0, 0.3);
}

.pillar-title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}

.pillar-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 24px;
  flex-grow: 1;
}

.pillar-specs {
  list-style: none;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 16px;
  margin-bottom: 24px;
}

.pillar-specs li {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: #c9d1d9;
  padding: 6px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.pillar-specs li::before {
  content: '▸';
  color: var(--accent-green);
  font-weight: bold;
}

.pillar-card.cyan .pillar-specs li::before {
  color: var(--accent-cyan);
}

.pillar-card.amber .pillar-specs li::before {
  color: var(--accent-amber);
}

/* Feature Detailed Showcase */
.features-section {
  padding: 60px 0 100px;
}

.feature-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
  margin-bottom: 90px;
}

.feature-split.reverse {
  direction: rtl;
}

.feature-split.reverse > * {
  direction: ltr;
}

.feature-text-content h3 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  margin-bottom: 18px;
}

.feature-text-content p {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.65;
  margin-bottom: 24px;
}

.feature-points {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.feature-points li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
  color: #e6edf3;
}

.feature-points svg {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--accent-green);
  margin-top: 2px;
}

.feature-img-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 12px;
  box-shadow: 0 15px 45px rgba(0, 0, 0, 0.6);
  position: relative;
}

.feature-img-card img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  display: block;
}

/* Specifications Matrix */
.spec-section {
  padding: 80px 0 100px;
  background: rgba(13, 19, 25, 0.6);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.spec-table-wrap {
  overflow-x: auto;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.spec-table th, .spec-table td {
  padding: 16px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.spec-table th {
  background: rgba(20, 30, 42, 0.8);
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent-green);
  text-transform: uppercase;
  font-size: 0.8rem;
}

.spec-table tr:hover td {
  background: rgba(0, 255, 136, 0.03);
}

.spec-table td.highlight {
  font-family: var(--font-mono);
  color: var(--accent-cyan);
}

/* Beta Tester Portal */
.beta-portal {
  background: linear-gradient(180deg, rgba(13, 19, 25, 0.9), rgba(7, 10, 13, 0.95));
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 50px 40px;
  box-shadow: var(--shadow-glow);
  margin: 90px auto;
  text-align: center;
  max-width: 960px;
}

.beta-portal h2 {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--accent-green);
  letter-spacing: 0.06em;
}

.beta-portal p {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 650px;
  margin: 0 auto 36px;
}

.beta-steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  text-align: left;
  margin-bottom: 40px;
}

.beta-step-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 24px 20px;
}

.beta-step-num {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--accent-cyan);
  margin-bottom: 10px;
}

.beta-step-card h4 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.beta-step-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0;
}

/* Footer */
.footer {
  background: #050709;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 60px 0 30px;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-col h5 {
  font-family: var(--font-display);
  color: var(--text-main);
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  margin-bottom: 18px;
  text-transform: uppercase;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: var(--text-muted);
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--accent-green);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

/* Responsive */
@media (max-width: 992px) {
  .hero-title { font-size: 2.6rem; }
  .pillar-grid { grid-template-columns: 1fr; }
  .feature-split { grid-template-columns: 1fr; }
  .feature-split.reverse { direction: ltr; }
  .beta-steps-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  .hero-title { font-size: 2rem; }
  .nav-links { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .telemetry-ticker { font-size: 0.65rem; }
}
