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

:root {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0c4a6e 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.15) 0%, transparent 70%);
  top: -200px;
  right: -200px;
  border-radius: 50%;
  animation: pulse 8s ease-in-out infinite;
}

.hero::after {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(251, 191, 36, 0.1) 0%, transparent 70%);
  bottom: -150px;
  left: -150px;
  border-radius: 50%;
  animation: pulse 6s ease-in-out infinite 1s;
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 0.5;
  }
  50% {
    transform: scale(1.1);
    opacity: 0.8;
  }
}

.stars {
  position: absolute;
  width: 100%;
  height: 100%;
  background-image:
    radial-gradient(2px 2px at 20% 30%, white, transparent),
    radial-gradient(2px 2px at 60% 70%, white, transparent),
    radial-gradient(1px 1px at 50% 50%, white, transparent),
    radial-gradient(1px 1px at 80% 10%, white, transparent),
    radial-gradient(2px 2px at 90% 60%, white, transparent),
    radial-gradient(1px 1px at 33% 80%, white, transparent),
    radial-gradient(1px 1px at 15% 60%, white, transparent);
  background-size: 200% 200%;
  opacity: 0.6;
  animation: twinkle 20s linear infinite;
}

@keyframes twinkle {
  0%, 100% {
    opacity: 0.4;
  }
  50% {
    opacity: 0.8;
  }
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 32px;
  max-width: 1024px;
}

.hero-company-logo {
    width: 120px;
    height: auto;
    border-radius: 3000px;
  animation: fadeInUp 1s ease-out 0.2s backwards;
}

.hero-title {
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 24px;
  line-height: 1.2;
  letter-spacing: -0.02em;
  text-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
  animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  color: #cbd5e1;
  margin-bottom: 48px;
  line-height: 1.5;
  font-weight: 400;
  animation: fadeInUp 1s ease-out 0.2s backwards;
}

.download-btn {
  background: linear-gradient(135deg, #0ea5e9 0%, #0284c7 100%);
  color: white;
  border: none;
  padding: 18px 48px;
  font-size: 1.125rem;
  font-weight: 600;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 8px 24px rgba(14, 165, 233, 0.3);
  animation: fadeInUp 1s ease-out 0.4s backwards;
}

.download-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(14, 165, 233, 0.4);
  background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
}

.download-btn:active {
  transform: translateY(0);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 768px) {
  .hero-content {
    padding: 24px;
  }

  .hero-title {
    margin-bottom: 16px;
  }

  .hero-subtitle {
    margin-bottom: 32px;
  }

  .download-btn {
    padding: 16px 40px;
    font-size: 1rem;
  }
}

.particle {
  position: absolute;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.8), rgba(56, 189, 248, 0.2));
  border-radius: 50%;
  pointer-events: none;
  box-shadow: 0 0 8px rgba(56, 189, 248, 0.6);
}