:root {
  --bg: #07111f;
  --bg-alt: #0c1729;
  --panel: rgba(13, 25, 45, 0.78);
  --panel-strong: rgba(10, 21, 39, 0.95);
  --text: #e8f0ff;
  --muted: #96a7c6;
  --cyan: #3fe0ff;
  --cyan-soft: rgba(63, 224, 255, 0.16);
  --violet: #8e6bff;
  --border: rgba(111, 164, 255, 0.18);
  --success: #53f0b6;
  --danger: #ff7a97;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
  --radius: 22px;
  --maxw: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top right, rgba(142, 107, 255, 0.15), transparent 30%),
    radial-gradient(circle at top left, rgba(63, 224, 255, 0.12), transparent 25%),
    linear-gradient(180deg, #040b14 0%, #08101d 40%, #050a12 100%);
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container {
  width: min(var(--maxw), calc(100% - 2rem));
  margin: 0 auto;
}

.header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
  background: rgba(4, 10, 18, 0.72);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 76px;
  gap: 1rem;
}

.brand {
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.brand span { color: var(--cyan); }

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.nav-links a {
  color: var(--muted);
  font-size: 0.95rem;
}

.nav-links a:hover,
.nav-links a.active { color: var(--text); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 1.25rem;
  border-radius: 999px;
  border: 1px solid transparent;
  background: var(--cyan);
  color: #03101b;
  font-weight: 700;
  box-shadow: 0 10px 30px rgba(63, 224, 255, 0.2);
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
  cursor: pointer;
}
.btn:hover { transform: translateY(-2px); }
.btn.secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
  box-shadow: none;
}
.btn.ghost {
  background: rgba(255,255,255,0.03);
  color: var(--text);
  border-color: rgba(255,255,255,0.08);
  box-shadow: none;
}
.btn.block { width: 100%; }

.hero {
  padding: 6rem 0 4rem;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr;
  gap: 2rem;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  background: var(--cyan-soft);
  color: var(--cyan);
  border: 1px solid rgba(63,224,255,0.18);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

h1, h2, h3 { line-height: 1.08; margin: 0 0 1rem; }
h1 { font-size: clamp(2.5rem, 7vw, 4.8rem); }
h2 { font-size: clamp(1.8rem, 5vw, 3rem); }
h3 { font-size: 1.15rem; }
p { color: var(--muted); line-height: 1.65; }
.lead { font-size: 1.1rem; max-width: 720px; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin: 1.6rem 0; }
.inline-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  color: var(--muted);
  font-size: 0.95rem;
}
.inline-proof span {
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-card {
  padding: 1.2rem;
  overflow: hidden;
}
.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}
.status-pill {
  font-size: 0.82rem;
  color: var(--success);
  padding: 0.35rem 0.65rem;
  border: 1px solid rgba(83,240,182,0.25);
  background: rgba(83,240,182,0.08);
  border-radius: 999px;
}
.terminal {
  background: rgba(5, 12, 22, 0.95);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 18px;
  padding: 1rem;
  min-height: 360px;
}
.terminal-line {
  display: flex;
  gap: 0.75rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.92rem;
  margin-bottom: 0.75rem;
}
.terminal-line .tag { color: var(--cyan); }
.terminal-line .value { color: #dbe5ff; }
.progress-bar {
  width: 100%;
  height: 10px;
  background: rgba(255,255,255,0.08);
  border-radius: 999px;
  overflow: hidden;
  margin-top: 1rem;
}
.progress-bar > span {
  display: block;
  height: 100%;
  width: 68%;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
}

.section { padding: 4.5rem 0; }
.section-head { max-width: 760px; margin-bottom: 2rem; }
.grid-2, .grid-3, .grid-4 {
  display: grid;
  gap: 1.25rem;
}
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.feature-card,
.pricing-card,
.module-card,
.demo-card,
.contact-card {
  padding: 1.35rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.feature-card p,
.module-card p,
.pricing-card p,
.contact-card p { margin-bottom: 0; }
.icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(63,224,255,0.18), rgba(142,107,255,0.18));
  border: 1px solid rgba(255,255,255,0.08);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.telemetry-list,
.result-list,
.check-list,
.price-list {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
}
.telemetry-list li,
.result-list li,
.check-list li,
.price-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.8rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  color: var(--muted);
}
.telemetry-list li:last-child,
.result-list li:last-child,
.check-list li:last-child,
.price-list li:last-child { border-bottom: 0; }
.telemetry-list strong,
.result-list strong,
.check-list strong,
.price-list strong { color: var(--text); }

.cta-banner {
  display: grid;
  grid-template-columns: 1.3fr auto;
  gap: 1.5rem;
  align-items: center;
  padding: 1.5rem;
  background: linear-gradient(135deg, rgba(63,224,255,0.12), rgba(142,107,255,0.12));
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
}

.form {
  display: grid;
  gap: 1rem;
}
.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}
input, textarea, select {
  width: 100%;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(4, 11, 20, 0.95);
  color: var(--text);
  padding: 0.95rem 1rem;
  font: inherit;
}
textarea { min-height: 150px; resize: vertical; }
label { font-size: 0.95rem; color: var(--text); display: block; margin-bottom: 0.45rem; }
.form-note { font-size: 0.88rem; color: var(--muted); }

.demo-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.quick-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.quick-actions button {
  padding: 0.75rem 0.95rem;
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
  color: var(--text);
  border: 1px solid rgba(255,255,255,0.08);
  cursor: pointer;
}
.quick-actions button:hover { border-color: rgba(63,224,255,0.35); color: var(--cyan); }
.telemetry-feed {
  background: rgba(5, 12, 22, 0.95);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 18px;
  padding: 1rem;
  min-height: 220px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.92rem;
}
.telemetry-item { margin-bottom: 0.8rem; color: #d9e6ff; }
.telemetry-item span { color: var(--cyan); }
.demo-result {
  white-space: pre-wrap;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: rgba(5, 12, 22, 0.95);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 18px;
  padding: 1rem;
  min-height: 260px;
}
.notice {
  padding: 0.9rem 1rem;
  border-radius: 16px;
  background: rgba(142,107,255,0.09);
  border: 1px solid rgba(142,107,255,0.18);
  color: #d7cdfd;
  margin-top: 1rem;
}

.price {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text);
}
.price small {
  font-size: 0.95rem;
  color: var(--muted);
  font-weight: 500;
}
.badge {
  display: inline-flex;
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  font-size: 0.82rem;
  border: 1px solid rgba(255,255,255,0.08);
  color: var(--cyan);
  background: rgba(63,224,255,0.08);
}

.footer {
  padding: 2rem 0 3rem;
  border-top: 1px solid var(--border);
  margin-top: 3rem;
}
.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.footer-nav {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.footer p { margin: 0; }

.table-wrap {
  overflow-x: auto;
}
.table {
  width: 100%;
  border-collapse: collapse;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.table th, .table td {
  text-align: left;
  padding: 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.table th { color: var(--text); background: rgba(255,255,255,0.03); }
.table td { color: var(--muted); }
.table td strong { color: var(--text); }

@media (max-width: 980px) {
  .hero-grid,
  .demo-layout,
  .grid-4,
  .grid-3,
  .grid-2,
  .cta-banner { grid-template-columns: 1fr; }
  .nav { min-height: auto; padding: 1rem 0; align-items: flex-start; }
  .nav-links { justify-content: flex-start; }
}

@media (max-width: 700px) {
  .form-row { grid-template-columns: 1fr; }
  .hero { padding-top: 4.5rem; }
  .btn { width: 100%; }
  .hero-actions { flex-direction: column; }
}


.lang-switch {
  display:flex;
  gap:.45rem;
  margin-left:1rem;
}
.lang-switch button {
  background: rgba(14, 22, 40, 0.9);
  color: var(--text-muted);
  border: 1px solid rgba(90, 166, 255, 0.18);
  border-radius: 999px;
  padding: .45rem .7rem;
  cursor: pointer;
  font-weight: 700;
}
.lang-switch button.active {
  color: var(--text-main);
  border-color: rgba(87, 193, 255, 0.6);
  box-shadow: 0 0 0 1px rgba(87,193,255,.15) inset;
}
.contact-inline {
  display:flex;
  gap:.6rem;
  flex-wrap:wrap;
  margin-top:1rem;
}
.contact-inline a {
  color: var(--accent);
  text-decoration:none;
}
@media (max-width: 920px) {
  .nav { flex-wrap: wrap; }
  .lang-switch { margin-left: 0; }
}