:root {
  --bg: #070b10;
  --bg-2: #0d131c;
  --line: rgba(0, 229, 255, 0.12);
  --cyan: #00e5ff;
  --cyan-dim: #0aa8bc;
  --text: #e8f1f8;
  --muted: #8fa3b8;
  --card: rgba(14, 22, 34, 0.72);
  --border: rgba(0, 229, 255, 0.22);
  --glow: 0 0 40px rgba(0, 229, 255, 0.18);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'IBM Plex Sans', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

.grid-bg {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at center, black 30%, transparent 80%);
  pointer-events: none;
  z-index: -2;
}

.scanline {
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent 3px,
    rgba(255,255,255,0.015) 4px
  );
  pointer-events: none;
  z-index: -1;
}

.nav {
  position: sticky;
  top: 0;
  backdrop-filter: blur(14px);
  background: rgba(7, 11, 16, 0.75);
  border-bottom: 1px solid var(--border);
  z-index: 10;
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.brand {
  color: var(--text);
  text-decoration: none;
  font-family: 'Chakra Petch', sans-serif;
  letter-spacing: 0.04em;
  display: flex;
  gap: 0.5rem;
  align-items: center;
}
.brand-mark { color: var(--cyan); }
.nav-links { display: flex; gap: 1.25rem; align-items: center; }
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.92rem;
}
.nav-links a:hover { color: var(--cyan); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.4rem;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.03em;
  border: 1px solid transparent;
  transition: 0.2s ease;
}
.btn-sm { padding: 0.55rem 1rem; font-size: 0.85rem; }
.btn-primary {
  background: linear-gradient(135deg, var(--cyan), #0088a0);
  color: #001018;
  box-shadow: var(--glow);
}
.btn-primary:hover { transform: translateY(-1px); filter: brightness(1.05); }
.btn-ghost {
  border-color: var(--border);
  color: var(--cyan);
  background: rgba(0, 229, 255, 0.04);
}
.btn-ghost:hover { background: rgba(0, 229, 255, 0.1); }

.section, .hero {
  max-width: 1200px;
  margin: 0 auto;
  padding: 5rem 1.5rem;
}
.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
  min-height: 85vh;
}
.eyebrow {
  font-family: 'Chakra Petch', sans-serif;
  color: var(--cyan);
  letter-spacing: 0.18em;
  font-size: 0.72rem;
  margin-bottom: 1rem;
}
.hero h1 {
  font-family: 'Chakra Petch', sans-serif;
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  line-height: 1.1;
  margin-bottom: 1rem;
}
.gradient-text {
  background: linear-gradient(90deg, #fff, var(--cyan));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub { color: var(--muted); max-width: 52ch; margin-bottom: 1.75rem; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 2rem; }
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.stat {
  border: 1px solid var(--border);
  background: var(--card);
  padding: 1rem;
  border-radius: 6px;
}
.stat-val {
  display: block;
  font-family: 'Chakra Petch', sans-serif;
  font-size: 1.4rem;
  color: var(--cyan);
}
.stat-label { font-size: 0.78rem; color: var(--muted); }

.hero-visual { position: relative; min-height: 380px; }
.shield-core {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
}
.ring {
  position: absolute;
  border: 1px solid var(--border);
  border-radius: 50%;
  animation: spin 18s linear infinite;
}
.ring-1 { width: 280px; height: 280px; }
.ring-2 { width: 220px; height: 220px; animation-direction: reverse; animation-duration: 12s; }
.ring-3 { width: 160px; height: 160px; animation-duration: 8s; }
.core-icon { font-size: 4rem; filter: drop-shadow(var(--glow)); }
@keyframes spin { to { transform: rotate(360deg); } }

.hud-panel {
  position: absolute;
  right: 0;
  bottom: 0;
  width: min(100%, 280px);
  border: 1px solid var(--border);
  background: var(--card);
  backdrop-filter: blur(10px);
  padding: 1rem;
  border-radius: 8px;
  font-family: 'Chakra Petch', monospace;
  font-size: 0.78rem;
}
.hud-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem;
  color: var(--muted);
}
.hud-row .ok { color: #4cff9a; }
.hud-bar {
  height: 4px;
  background: rgba(255,255,255,0.08);
  margin-top: 0.75rem;
  border-radius: 2px;
  overflow: hidden;
}
.hud-fill {
  width: 78%;
  height: 100%;
  background: linear-gradient(90deg, var(--cyan-dim), var(--cyan));
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 0.7; }
  50% { opacity: 1; }
}

.section-head { margin-bottom: 2rem; }
.section-head h2 {
  font-family: 'Chakra Petch', sans-serif;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}
.card {
  border: 1px solid var(--border);
  background: var(--card);
  padding: 1.25rem;
  border-radius: 8px;
  transition: 0.2s ease;
}
.card:hover {
  border-color: var(--cyan);
  box-shadow: var(--glow);
  transform: translateY(-2px);
}
.card h3 {
  font-family: 'Chakra Petch', sans-serif;
  margin-bottom: 0.5rem;
  color: var(--cyan);
}
.card p { color: var(--muted); font-size: 0.92rem; }

.pipeline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
}
.step {
  border-left: 2px solid var(--cyan);
  padding: 1rem 1rem 1rem 1.25rem;
  background: linear-gradient(90deg, rgba(0,229,255,0.06), transparent);
}
.step-num {
  font-family: 'Chakra Petch', sans-serif;
  color: var(--cyan);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
}
.step h4 { margin: 0.35rem 0; font-family: 'Chakra Petch', sans-serif; }
.step p { color: var(--muted); font-size: 0.88rem; }

.privacy-card, .download-card {
  border: 1px solid var(--border);
  background: var(--card);
  padding: 2rem;
  border-radius: 12px;
}
.privacy-card h2, .download-card h2 {
  font-family: 'Chakra Petch', sans-serif;
  margin-bottom: 1rem;
}
.privacy-card ul {
  margin: 1rem 0 1.5rem 1.25rem;
  color: var(--muted);
}
.privacy-card li { margin-bottom: 0.5rem; }
.download-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin: 1.25rem 0; }
.fine-print { color: var(--muted); font-size: 0.85rem; }

.section-sub { color: var(--muted); max-width: 60ch; margin-top: 0.5rem; }

.badge {
  display: inline-block;
  font-family: 'Chakra Petch', sans-serif;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  padding: 0.2rem 0.5rem;
  border-radius: 3px;
  margin-bottom: 0.6rem;
}
.badge-free {
  color: #4cff9a;
  border: 1px solid rgba(76, 255, 154, 0.35);
  background: rgba(76, 255, 154, 0.08);
}
.badge-pro {
  color: #ffd54f;
  border: 1px solid rgba(255, 213, 79, 0.35);
  background: rgba(255, 213, 79, 0.08);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}
.pricing-card {
  border: 1px solid var(--border);
  background: var(--card);
  padding: 1.75rem;
  border-radius: 12px;
}
.pricing-card-pro {
  border-color: rgba(255, 213, 79, 0.4);
  box-shadow: 0 0 30px rgba(255, 213, 79, 0.08);
}
.pricing-card h3 {
  font-family: 'Chakra Petch', sans-serif;
  color: var(--cyan);
  margin-bottom: 0.25rem;
}
.pricing-card .price {
  font-family: 'Chakra Petch', sans-serif;
  font-size: 1.5rem;
  color: var(--text);
  margin-bottom: 1rem;
}
.pricing-card ul {
  list-style: none;
  color: var(--muted);
  font-size: 0.92rem;
}
.pricing-card li {
  padding: 0.35rem 0;
  padding-left: 1.25rem;
  position: relative;
}
.pricing-card li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--cyan);
}

.limits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 0.75rem;
}
.limit-item {
  border: 1px solid var(--border);
  background: rgba(14, 22, 34, 0.5);
  padding: 1rem 1.25rem;
  border-radius: 8px;
  color: var(--muted);
  font-size: 0.9rem;
}
.limit-item strong { color: var(--text); }

.faq-list { display: flex; flex-direction: column; gap: 0.5rem; }
.faq-item {
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: 8px;
  padding: 0.25rem 1.25rem;
}
.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  padding: 0.85rem 0;
  color: var(--text);
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item p {
  color: var(--muted);
  font-size: 0.92rem;
  padding-bottom: 1rem;
}

.footer a { color: var(--cyan); text-decoration: none; }
.footer a:hover { text-decoration: underline; }
code {
  font-family: 'Chakra Petch', monospace;
  font-size: 0.85em;
  color: var(--cyan);
}

.footer {
  border-top: 1px solid var(--border);
  padding: 2rem 1.5rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
}

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; min-height: auto; padding-top: 3rem; }
  .hero-visual { min-height: 300px; }
  .nav-links a:not(.btn) { display: none; }
}