/* 🏛️ VARGONSIGNAL WEB ECOSYSTEM STYLESHEET (v17.4) */
/* Forensic Noir + Clinical Amber Telemetry */

:root {
  --bg-deep: #07080b;
  --bg-surface: #0d0f15;
  --bg-card: #131620;
  --bg-card-hover: #171b28;
  
  --amber-primary: #f59e0b;
  --amber-bright: #fbbf24;
  --amber-glow: rgba(245, 158, 11, 0.25);
  --amber-subtle: rgba(245, 158, 11, 0.08);
  --amber-border: rgba(245, 158, 11, 0.22);
  
  --cyan-accent: #06b6d4;
  --cyan-glow: rgba(6, 182, 212, 0.2);
  --emerald-status: #10b981;
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --border-line: rgba(255, 255, 255, 0.07);
  --font-heading: 'Space Grotesk', -apple-system, sans-serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --max-w: 1200px;
  --radius: 12px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-deep);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(245, 158, 11, 0.06) 0%, transparent 60%),
    linear-gradient(to right, rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 100% 100%, 48px 48px, 48px 48px;
  -webkit-font-smoothing: antialiased;
}

/* TOP STATUS BAR */
.top-telemetry-bar {
  background: rgba(13, 15, 21, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-line);
  padding: 8px 24px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
}

.telemetry-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.live-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--emerald-status);
  font-weight: 600;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--emerald-status);
  box-shadow: 0 0 10px var(--emerald-status);
  animation: pulseAnim 2s infinite ease-in-out;
}

@keyframes pulseAnim {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.telemetry-tag {
  color: var(--text-dim);
}

.telemetry-tag span {
  color: var(--amber-bright);
}

.top-telemetry-bar nav a {
  color: var(--text-muted);
  text-decoration: none;
  margin-left: 20px;
  transition: color 0.2s;
  font-family: var(--font-heading);
  font-size: 0.88rem;
}

.top-telemetry-bar nav a:hover,
.top-telemetry-bar nav a.active {
  color: var(--amber-bright);
}

/* MAIN CONTAINER */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* HERO SECTION */
.hero-section {
  padding: 100px 0 80px;
  text-align: center;
  position: relative;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--amber-subtle);
  border: 1px solid var(--amber-border);
  color: var(--amber-bright);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 24px;
  letter-spacing: 0.5px;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 6vw, 4.2rem);
  font-weight: 800;
  letter-spacing: -1.5px;
  line-height: 1.1;
  margin-bottom: 24px;
  background: linear-gradient(180deg, #ffffff 40%, #cbd5e1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  max-width: 720px;
  margin: 0 auto 36px;
  font-size: 1.15rem;
  color: var(--text-muted);
  font-weight: 400;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 60px;
  flex-wrap: wrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--amber-primary), #d97706);
  color: #000;
  font-weight: 700;
  font-family: var(--font-heading);
  padding: 14px 28px;
  border-radius: 8px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 4px 20px var(--amber-glow);
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(245, 158, 11, 0.4);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-main);
  border: 1px solid var(--border-line);
  font-weight: 600;
  font-family: var(--font-heading);
  padding: 14px 24px;
  border-radius: 8px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: background 0.2s, border-color 0.2s;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--amber-border);
}

/* LIVE TELEMETRY MATRIX STRIP */
.telemetry-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  background: var(--bg-surface);
  border: 1px solid var(--border-line);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 90px;
}

.telemetry-node {
  padding: 12px 16px;
  border-left: 2px solid var(--amber-primary);
  background: rgba(0, 0, 0, 0.2);
  border-radius: 0 8px 8px 0;
}

.telemetry-node.emerald {
  border-left-color: var(--emerald-status);
}

.telemetry-node.cyan {
  border-left-color: var(--cyan-accent);
}

.node-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  text-transform: uppercase;
  margin-bottom: 4px;
}

.node-value {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
}

/* MODULE SECTION HEADERS */
.section-header {
  margin-bottom: 40px;
  text-align: left;
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--amber-bright);
  text-transform: uppercase;
  letter-spacing: 1px;
  display: block;
  margin-bottom: 8px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

/* SHOWCASE CARD: APP HERO */
.app-showcase-box {
  background: var(--bg-card);
  border: 1px solid var(--amber-border);
  border-radius: 16px;
  padding: 48px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 100px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 30px var(--amber-subtle);
  position: relative;
  overflow: hidden;
}

.app-showcase-box::after {
  content: "";
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, var(--amber-glow) 0%, transparent 70%);
  pointer-events: none;
}

.app-meta-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(245, 158, 11, 0.12);
  color: var(--amber-bright);
  border: 1px solid var(--amber-border);
  padding: 4px 12px;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  margin-bottom: 16px;
}

.app-title {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.app-desc {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 24px;
}

.trait-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 32px;
}

.trait-pill {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-line);
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.trait-pill i {
  color: var(--amber-primary);
}

.app-download-row {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}

.visual-mockup-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
}

.screenshot-display {
  width: 100%;
  max-width: 380px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.7);
  transition: transform 0.3s ease;
}

.screenshot-display:hover {
  transform: scale(1.02);
}

/* 2-COLUMN ECOSYSTEM GRID */
.ecosystem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 32px;
  margin-bottom: 100px;
}

.ecosystem-card {
  background: var(--bg-card);
  border: 1px solid var(--border-line);
  border-radius: 14px;
  padding: 36px;
  transition: transform 0.2s, border-color 0.2s;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.ecosystem-card:hover {
  transform: translateY(-4px);
  border-color: var(--amber-border);
}

.card-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--amber-bright);
  margin-bottom: 12px;
  text-transform: uppercase;
}

.card-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 14px;
}

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

.card-footer {
  border-top: 1px solid var(--border-line);
  padding-top: 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-link {
  color: var(--amber-bright);
  text-decoration: none;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.card-link:hover {
  text-decoration: underline;
}

/* LEGAL & PRIVACY ACCORDION BOX */
.legal-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-line);
  border-radius: 14px;
  padding: 40px;
  margin-bottom: 100px;
}

.legal-header {
  border-bottom: 1px solid var(--border-line);
  padding-bottom: 20px;
  margin-bottom: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.legal-content h3 {
  color: var(--amber-bright);
  font-size: 1.1rem;
  margin: 20px 0 8px;
}

.legal-content p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 14px;
}

.legal-content ul {
  margin-left: 20px;
  margin-bottom: 16px;
  color: var(--text-muted);
}

.disclaimer-alert {
  background: rgba(245, 158, 11, 0.08);
  border-left: 3px solid var(--amber-primary);
  padding: 16px 20px;
  border-radius: 6px;
  margin: 24px 0;
  font-size: 0.92rem;
  color: #fde68a;
}

/* FOOTER */
.site-footer {
  border-top: 1px solid var(--border-line);
  padding: 48px 0;
  text-align: center;
  font-size: 0.88rem;
  color: var(--text-dim);
}

.footer-nav {
  margin-bottom: 18px;
}

.footer-nav a {
  color: var(--text-muted);
  text-decoration: none;
  margin: 0 14px;
}

.footer-nav a:hover {
  color: var(--amber-bright);
}

.operator-tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-top: 8px;
}

/* RESPONSIVE */
@media (max-width: 860px) {
  .app-showcase-box {
    grid-template-columns: 1fr;
    padding: 32px 24px;
  }
  .trait-grid {
    grid-template-columns: 1fr;
  }
  .hero-title {
    font-size: 2.3rem;
  }
}