:root {
  --bg-color: #0d1117;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --accent-color: #58a6ff;
  --accent-hover: #3182ce;
  --glass-bg: rgba(22, 27, 34, 0.6);
  --glass-border: rgba(255, 255, 255, 0.08);
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  min-height: 100%;
  overflow-x: hidden;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-primary);
  line-height: 1.6;
  position: relative;
}

.bg-glow {
  position: fixed;
  top: -150px;
  left: 50%;
  transform: translateX(-50%);
  width: 100vw;
  max-width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(88,166,255,0.08) 0%, rgba(13,17,23,0) 70%);
  z-index: -1;
  border-radius: 50%;
  pointer-events: none;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 5%;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--glass-border);
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
  overflow: hidden;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -0.5px;
}

.logo span {
  color: var(--accent-color);
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

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

.nav-links .btn {
  background: var(--accent-color);
  color: #fff;
  padding: 0.5rem 1.25rem;
  border-radius: 20px;
  font-weight: 600;
}

.nav-links .btn:hover {
  background: var(--accent-hover);
  color: #fff;
}

header {
  text-align: center;
  padding: 8rem 2rem 4rem;
  max-width: 100%;
  width: 800px;
  margin: 0 auto;
}

h1 {
  font-size: 4rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -1.5px;
  background: linear-gradient(to right, #ffffff, #8b949e);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
}

.store-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
}

.store-btn {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  padding: 0.75rem 1.5rem;
  border-radius: 12px;
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.3s ease;
}

.store-btn:hover {
  background: rgba(255, 255, 255, 0.05);
  transform: translateY(-2px);
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  padding: 4rem 1rem;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  overflow: hidden;
}

.feature-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  padding: 2rem;
  border-radius: 24px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: transform 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.feature-card p {
  color: var(--text-secondary);
}

.content-page {
  max-width: 100%;
  width: 800px;
  margin: 4rem auto;
  padding: 0 1.5rem;
}

.content-page h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  text-align: left;
  background: none;
  -webkit-background-clip: initial;
  background-clip: initial;
  -webkit-text-fill-color: var(--text-primary);
}

.content-page h2 {
  font-size: 1.5rem;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.content-page p, .content-page ul {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.content-page ul {
  padding-left: 20px;
}

.content-page li {
  margin-bottom: 0.5rem;
}

footer {
  text-align: center;
  padding: 3rem 1.5rem;
  color: var(--text-secondary);
  border-top: 1px solid var(--glass-border);
  margin-top: 4rem;
  width: 100%;
  overflow-wrap: break-word;
}

@media (max-width: 768px) {
  header {
    padding: 4rem 5% 2rem;
  }
  h1 { 
    font-size: 2.25rem; 
    letter-spacing: -1px;
  }
  .subtitle {
    font-size: 1.1rem;
    margin-bottom: 2rem;
  }
  .store-buttons { 
    flex-direction: column;
    padding: 0 1rem;
  }
  .store-btn {
    justify-content: center;
  }
  .nav-links { display: none; }
  
  .features {
    grid-template-columns: 1fr;
    padding: 2rem 5%;
  }
  
  .feature-card {
    padding: 1.5rem;
  }
}