:root {
  --bg-primary: #0a0c10;
  --bg-secondary: #0f131a;
  --bg-tertiary: #161b26;
  --bg-card: rgba(22, 27, 38, 0.7);
  --bg-card-hover: rgba(28, 35, 49, 0.85);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(0, 240, 255, 0.5);
  --border-glow: rgba(99, 102, 241, 0.3);

  --accent-cyan: #00f0ff;
  --accent-cyan-glow: rgba(0, 240, 255, 0.25);
  --accent-purple: #8b5cf6;
  --accent-indigo: #6366f1;
  --accent-emerald: #10b981;
  --accent-emerald-glow: rgba(16, 185, 129, 0.2);
  --accent-amber: #f59e0b;

  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --text-dim: #6b7280;

  --gradient-primary: linear-gradient(135deg, #00f0ff 0%, #6366f1 50%, #a855f7 100%);
  --gradient-surface: linear-gradient(180deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.01) 100%);
  --gradient-glow: radial-gradient(circle at 50% 0%, rgba(99, 102, 241, 0.15) 0%, transparent 70%);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;
  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 25px rgba(0, 240, 255, 0.2);
}

/* RESET & BASE */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

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

/* CANVAS BACKGROUND */
#network-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  opacity: 0.6;
}

/* BACKGROUND AMBIENT GLOWS */
.ambient-glow-1 {
  position: fixed;
  top: -150px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 500px;
  background: radial-gradient(ellipse at center, rgba(99, 102, 241, 0.18), transparent 70%);
  pointer-events: none;
  z-index: 0;
  filter: blur(80px);
}

.ambient-glow-2 {
  position: fixed;
  bottom: 10%;
  right: -100px;
  width: 600px;
  height: 500px;
  background: radial-gradient(ellipse at center, rgba(0, 240, 255, 0.12), transparent 70%);
  pointer-events: none;
  z-index: 0;
  filter: blur(90px);
}

/* CONTENT WRAPPER */
.app-wrapper {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* TYPOGRAPHY UTILS */
.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-cyan);
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.2);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
}

.section-tag .pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 10px var(--accent-cyan);
  animation: pulse-dot 2s infinite ease-in-out;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 0.4; transform: scale(0.9); }
  50% { opacity: 1; transform: scale(1.3); }
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.6;
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: 1px solid transparent;
  font-family: inherit;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #050811;
  font-weight: 700;
  box-shadow: 0 4px 20px rgba(0, 240, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 240, 255, 0.5);
  filter: brightness(1.08);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border-color: var(--border-subtle);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
  color: #fff;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

/* NAVBAR */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 12, 16, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: background 0.3s ease;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 16px;
}

.logo-group {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.15), rgba(99, 102, 241, 0.25));
  border: 1px solid rgba(0, 240, 255, 0.35);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.15);
}

.logo-text {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 6px;
}

.logo-badge {
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 6px;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--accent-emerald);
  border-radius: 4px;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.status-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent-emerald);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.status-pill:hover {
  background: rgba(16, 185, 129, 0.15);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
}

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

.hero-badge-wrap {
  display: inline-flex;
  align-items: center;
  margin-bottom: 24px;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  max-width: 950px;
  margin: 0 auto 24px;
}

.hero-description {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--text-muted);
  max-width: 740px;
  margin: 0 auto 40px;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.telemetry-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px 32px;
  margin-top: 40px;
  box-shadow: var(--shadow-card);
}

.telemetry-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 8px 12px;
  position: relative;
}

.telemetry-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: -10px;
  top: 20%;
  height: 60%;
  width: 1px;
  background: var(--border-subtle);
}

.telemetry-val {
  font-size: 1.9rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: #fff;
  letter-spacing: -0.02em;
}

.telemetry-val.accent {
  color: var(--accent-cyan);
}

.telemetry-val.emerald {
  color: var(--accent-emerald);
}

.telemetry-lbl {
  font-size: 0.8rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 4px;
}

/* NETWORK MONITOR CARDS (GLOBAL POPS) */
.network-section {
  padding: 80px 0;
}

.nodes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 30px;
}

.node-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 22px;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.node-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.node-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 240, 255, 0.3);
  box-shadow: 0 12px 28px -8px rgba(0, 240, 255, 0.15);
}

.node-card:hover::before {
  opacity: 1;
}

.node-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.node-city {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
}

.node-flag {
  font-size: 1.2rem;
}

.node-badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.12);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.node-stats {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.stat-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.stat-row .val {
  color: #fff;
  font-weight: 600;
}

.stat-bar {
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 2px;
  margin-top: 10px;
  overflow: hidden;
}

.stat-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-indigo));
  border-radius: 2px;
  transition: width 1s ease-in-out;
}

/* TERMINAL / CLI SECTION */
.terminal-section {
  padding: 80px 0;
}

.terminal-window {
  background: #0d1117;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7), 0 0 30px rgba(99, 102, 241, 0.1);
  overflow: hidden;
  max-width: 920px;
  margin: 0 auto;
}

.terminal-header {
  background: #161b22;
  padding: 12px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.terminal-controls {
  display: flex;
  gap: 8px;
}

.terminal-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.dot-red { background: #ff5f56; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #27c93f; }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 6px;
}

.terminal-body {
  padding: 24px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: #e6edf3;
  line-height: 1.7;
  min-height: 280px;
  max-height: 420px;
  overflow-y: auto;
}

.terminal-output {
  margin-bottom: 12px;
  white-space: pre-wrap;
  word-break: break-all;
}

.terminal-prompt-line {
  display: flex;
  align-items: center;
  gap: 8px;
}

.terminal-prompt {
  color: var(--accent-cyan);
  font-weight: 700;
  user-select: none;
}

.terminal-input {
  background: transparent;
  border: none;
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  flex: 1;
  outline: none;
}

.terminal-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 12px 24px;
  background: #12161f;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.term-chip {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.term-chip:hover {
  background: rgba(0, 240, 255, 0.15);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

/* FEATURES SECTION */
.features-section {
  padding: 80px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: rgba(99, 102, 241, 0.35);
  box-shadow: 0 16px 36px -10px rgba(99, 102, 241, 0.2);
}

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(0, 240, 255, 0.15));
  border: 1px solid rgba(0, 240, 255, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  font-size: 1.5rem;
}

.feature-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
}

.feature-text {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* LIVE SPEEDTEST / PROTOCOL METRICS */
.protocol-section {
  padding: 80px 0;
  background: linear-gradient(180deg, transparent 0%, rgba(15, 19, 26, 0.6) 50%, transparent 100%);
}

.protocol-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.protocol-info h3 {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.3;
}

.protocol-info p {
  color: var(--text-muted);
  font-size: 1rem;
  margin-bottom: 24px;
}

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

.protocol-check-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--text-main);
}

.protocol-check-list svg {
  color: var(--accent-emerald);
  flex-shrink: 0;
}

.protocol-visual {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.metric-gauge {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.metric-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  font-family: var(--font-mono);
}

.metric-bar-wrap {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  overflow: hidden;
}

.metric-bar-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 1.5s cubic-bezier(0.16, 1, 0.3, 1);
}

/* FAQ ACCORDION */
.faq-section {
  padding: 80px 0;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item.active {
  border-color: rgba(0, 240, 255, 0.3);
}

.faq-question {
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-weight: 600;
  font-size: 1.05rem;
  user-select: none;
}

.faq-icon {
  transition: transform var(--transition-normal);
  color: var(--accent-cyan);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out, padding 0.3s ease;
  padding: 0 24px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.faq-item.active .faq-answer {
  padding: 0 24px 20px;
  max-height: 300px;
}

/* MODAL FOR CLIENT ACCESS */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: #11141c;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px;
  width: 90%;
  max-width: 520px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), 0 0 40px rgba(0, 240, 255, 0.1);
  transform: scale(0.95);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

.modal-overlay.active .modal-card {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1.4rem;
  transition: color 0.15s ease;
}

.modal-close:hover {
  color: #fff;
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.form-input, .form-select {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: #fff;
  font-family: inherit;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.form-input:focus, .form-select:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.2);
  background: rgba(255, 255, 255, 0.08);
}

/* TOAST NOTIFICATION */
.toast-container {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.toast {
  background: #141923;
  border: 1px solid var(--accent-cyan);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6), 0 0 15px rgba(0, 240, 255, 0.2);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  color: #fff;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 12px;
  transform: translateY(20px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* FOOTER */
.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--border-subtle);
  background: rgba(8, 10, 14, 0.85);
  padding: 50px 0 30px;
}

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

.footer-brand p {
  color: var(--text-dim);
  font-size: 0.9rem;
  margin-top: 14px;
  max-width: 320px;
  line-height: 1.6;
}

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

.footer-col a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: var(--accent-cyan);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 24px;
  color: var(--text-dim);
  font-size: 0.85rem;
  flex-wrap: wrap;
  gap: 16px;
}

.security-badges {
  display: flex;
  gap: 12px;
}

.sec-badge {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  padding: 3px 8px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
}

/* CTA BANNER SECTION */
.cta-section {
  padding: 60px 0;
  text-align: center;
}

.cta-card {
  background: linear-gradient(135deg, rgba(22, 27, 38, 0.9), rgba(15, 19, 26, 0.95));
  border: 1px solid rgba(0, 240, 255, 0.25);
  box-shadow: 0 15px 40px -10px rgba(0, 240, 255, 0.15);
  border-radius: var(--radius-lg);
  padding: 48px 32px;
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.cta-card::after {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 400px;
  height: 250px;
  background: radial-gradient(ellipse at center, rgba(0, 240, 255, 0.15), transparent 70%);
  pointer-events: none;
}

.cta-card h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 800;
  margin-bottom: 12px;
  color: #fff;
}

.cta-card p {
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 28px;
  font-size: 1rem;
}

/* RESPONSIVE */
@media (max-width: 1040px) {
  .nav-links {
    display: none;
  }
}

@media (max-width: 900px) {
  .protocol-box {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .telemetry-item:not(:last-child)::after {
    display: none;
  }
}

@media (max-width: 600px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .telemetry-bar {
    grid-template-columns: 1fr 1fr;
    padding: 16px;
  }
}