@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;800&display=swap');

:root {
  --bg-primary: #050510;
  --bg-secondary: #0d0d21;
  --accent-primary: #6366f1; /* Indigo */
  --accent-secondary: #a855f7; /* Purple */
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --border-color: rgba(255, 255, 255, 0.08);
  --glass-bg: rgba(13, 13, 33, 0.7);
  --glass-glow: rgba(99, 102, 241, 0.15);
}

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

body {
  background-color: var(--bg-primary);
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(99, 102, 241, 0.1) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(168, 85, 247, 0.1) 0%, transparent 40%);
  color: var(--text-primary);
  font-family: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  overflow-x: hidden;
  position: relative;
}

/* Grid pattern background overlay */
body::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

main {
  width: 100%;
  max-width: 720px;
  padding: 2rem;
  z-index: 1;
}

.hero-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 3.5rem 3rem;
  text-align: center;
  box-shadow: 
    0 20px 40px -15px rgba(0, 0, 0, 0.5),
    0 0 50px 0 var(--glass-glow);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-card:hover {
  transform: translateY(-4px);
  box-shadow: 
    0 24px 48px -12px rgba(0, 0, 0, 0.6),
    0 0 60px 5px rgba(99, 102, 241, 0.2);
}

.logo-container {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  border-radius: 22px;
  margin-bottom: 2rem;
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.3);
  animation: float 6s ease-in-out infinite;
}

.logo-icon {
  width: 40px;
  height: 40px;
  stroke: #ffffff;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}

h1 {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, #ffffff 40%, #c084fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  font-weight: 400;
  margin-bottom: 2.5rem;
  line-height: 1.6;
}

.cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: #ffffff;
  font-size: 1.1rem;
  font-weight: 600;
  text-decoration: none;
  padding: 1rem 2.25rem;
  border-radius: 14px;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.35);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.cta-button::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--accent-secondary), var(--accent-primary));
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 1;
}

.cta-button:hover::before {
  opacity: 1;
}

.cta-button > * {
  position: relative;
  z-index: 2;
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(168, 85, 247, 0.45);
}

.cta-button:active {
  transform: translateY(0);
}

.arrow-icon {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
  transition: transform 0.3s ease;
}

.cta-button:hover .arrow-icon {
  transform: translateX(4px);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 3.5rem;
  text-align: left;
}

.feature-item {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 16px;
  padding: 1.25rem;
  transition: background 0.3s ease, border-color 0.3s ease;
}

.feature-item:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.08);
}

.feature-title {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--text-primary);
}

.feature-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

footer {
  margin-top: auto;
  padding: 2rem;
  font-size: 0.85rem;
  color: rgba(148, 163, 184, 0.4);
  text-align: center;
  z-index: 1;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

@media (max-width: 640px) {
  h1 {
    font-size: 2.25rem;
  }
  
  .hero-card {
    padding: 2.5rem 1.5rem;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-top: 2.5rem;
  }
}