:root {
  --bg: #07101f;
  --panel: #0f1d33;
  --panel-soft: #142742;
  --text: #e5ecf4;
  --muted: #a8b7c8;
  --line: #213453;
  --cyan: #5eead4;
  --blue: #60a5fa;
}

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

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text);
  background:
    radial-gradient(900px 450px at 85% -20%, #1e3a8a 0%, transparent 60%),
    radial-gradient(900px 450px at -10% 15%, #0f766e 0%, transparent 55%),
    var(--bg);
  line-height: 1.55;
}

.container {
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
}

header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(8px);
  background: rgba(5, 8, 22, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
}

.brand {
  text-decoration: none;
  color: var(--text);
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

nav {
  display: flex;
  gap: 22px;
}

nav a {
  color: #d1d5db;
  text-decoration: none;
}

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

.hero {
  padding: 84px 0 42px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 34px;
}

h1 {
  margin-top: 16px;
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.1;
}

h3 {
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  margin-bottom: 14px;
}

p {
  color: var(--muted);
}

.gradient-text {
  background: linear-gradient(90deg, var(--cyan), var(--blue));
  color: transparent;
  -webkit-background-clip: text;
  background-clip: text;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(94, 234, 212, 0.1);
  border: 1px solid rgba(94, 234, 212, 0.35);
  color: #b6f7ee;
  font-size: 0.9rem;
  padding: 7px 12px;
  border-radius: 999px;
}

.badge.center {
  margin-bottom: 16px;
}

.pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 0 rgba(94, 234, 212, 0.7);
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(94, 234, 212, 0.55); }
  70% { box-shadow: 0 0 0 11px rgba(94, 234, 212, 0); }
  100% { box-shadow: 0 0 0 0 rgba(94, 234, 212, 0); }
}

.hero-buttons,
.app-actions,
.stats {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 22px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border-radius: 10px;
  padding: 10px 16px;
  font-weight: 700;
}

.btn-primary {
  color: #082f49;
  background: linear-gradient(90deg, var(--cyan), #67e8f9);
}

.btn-secondary {
  color: #dbeafe;
  background: transparent;
  border: 1px solid #365277;
}

.ai-card,
.app-card,
.feature-card {
  background: linear-gradient(180deg, var(--panel), var(--panel-soft));
  border: 1px solid var(--line);
  border-radius: 16px;
}

.ai-card {
  padding: 22px;
}

.stats strong {
  display: block;
  font-size: 1.2rem;
}

.stats span {
  color: var(--muted);
  font-size: 0.9rem;
}

.section {
  padding: 52px 0;
}

.apps-grid,
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.features-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.app-card,
.feature-card {
  padding: 18px;
}

.app-card h4,
.feature-card h4 {
  margin-bottom: 8px;
}

.feature-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(96, 165, 250, 0.15);
  border: 1px solid rgba(96, 165, 250, 0.3);
  color: #bfdbfe;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.contact {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

footer {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 18px;
  padding: 30px 0;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
}

.footer-content h5 {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 8px;
}

.footer-content p {
  color: var(--muted);
}

.footer-links {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}

.footer-links a {
  color: #d1d5db;
  text-decoration: none;
}

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

@media (max-width: 1100px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .apps-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .features-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  nav {
    display: none;
  }
}

@media (max-width: 640px) {
  .container {
    width: calc(100% - 28px);
  }

  .hero-buttons,
  .app-actions,
  .stats {
    flex-direction: column;
    align-items: stretch;
  }

  .apps-grid,
  .features-grid {
    grid-template-columns: 1fr;
  }

  .btn {
    width: 100%;
  }
}