:root {
  --primary-color: #00ffff; /* Neon Cyan */
  --secondary-color: #bf40bf; /* Neon Purple */
  --accent-color: #ff00ff; /* Neon Pink */
  --bg-dark: #0a0a0a;
  --bg-card: rgba(255, 255, 255, 0.05);
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.7);
  --font-family: 'Inter', sans-serif;
  --transition: all 0.3s ease;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Dynamic Background Glow */
.bg-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  background: radial-gradient(circle at 20% 20%, rgba(0, 255, 255, 0.15), transparent 40%),
              radial-gradient(circle at 80% 80%, rgba(191, 64, 191, 0.15), transparent 40%);
  filter: blur(80px);
}

/* Typography */
h1, h2, h3 {
  font-weight: 800;
  letter-spacing: -0.05em;
  margin-bottom: 0.5em;
}

h1 { font-size: 3.5rem; line-height: 1.1; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.5rem; letter-spacing: -0.02em; }
p { color: var(--text-secondary); margin-bottom: 1.5rem; }

a { text-decoration: none; color: inherit; transition: var(--transition); }

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

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 1.5rem 0;
  background: rgba(10, 10, 10, 0.8);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.05em;
}

.dot { color: var(--primary-color); }

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

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

/* Container Utility */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.8rem 1.5rem;
  border-radius: 50px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  font-size: 1rem;
}

.btn-primary {
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  color: var(--bg-dark);
  box-shadow: 0 4px 15px rgba(0, 255, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 255, 255, 0.5);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.2);
  margin-left: 1rem;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
}


/* Hero Section */
.hero {
  padding: 8rem 0 4rem;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero-content {
  display: flex;
  align-items: center;
  gap: 4rem;
}

.hero-text { flex: 1; }

.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: rgba(0, 255, 255, 0.1);
  color: var(--primary-color);
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 1rem;
  border: 1px solid rgba(0, 255, 255, 0.2);
}

/* Phone Mockup (CSS Only) */
.hero-visual { flex: 1; display: flex; justify-content: center; position: relative; }

.phone-mockup {
  width: 300px;
  height: 600px;
  background: #000;
  border-radius: 40px;
  border: 8px solid #222;
  position: relative;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  overflow: hidden;
  /* Glow behind phone */
}

/* Screen Content Minimal Outline */
.screen {
  width: 100%;
  height: 100%;
  background: #111;
  padding: 1rem;
  position: relative;
}

.app-header {
  display: flex;
  justify-content: space-between;
  padding-bottom: 1rem;
  font-weight: 800;
  font-size: 1.2rem;
  border-bottom: 1px solid #333;
  margin-bottom: 1rem;
}

.news-card {
  background: #1a1a1a;
  border-radius: 12px;
  overflow: hidden;
  margin-top: 1rem;
  box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

.card-image {
  height: 150px;
  background: linear-gradient(45deg, #333, #444);
}

.card-content { padding: 1rem; }

.source {
  font-size: 0.7rem;
  color: var(--primary-color);
  text-transform: uppercase;
  font-weight: bold;
  opacity: 0.8;
}

/* Features Grid */
.features { padding: 6rem 0; }

.section-header { text-align: center; margin-bottom: 4rem; max-width: 600px; margin-left: auto; margin-right: auto; }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.1);
}

.icon { font-size: 2rem; margin-bottom: 1rem; }

/* Download Section */
.download {
  padding: 6rem 0;
  background: linear-gradient(to right, rgba(0, 255, 255, 0.05), rgba(191, 64, 191, 0.05));
  text-align: center;
}

.btn-large {
  padding: 1rem 3rem;
  font-size: 1.2rem;
  line-height: 1.2;
  margin-top: 2rem;
  border-radius: 12px;
}

.btn-large span { font-size: 0.8rem; font-weight: 400; opacity: 0.8; }
.btn-large strong { font-size: 1.4rem; }

/* Contact Section */
.contact { padding: 6rem 0; text-align: center; }

.contact-grid {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.contact-card {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: 16px;
  min-width: 280px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.contact-card a {
  color: var(--primary-color);
  font-weight: 600;
  font-size: 1.1rem;
}

.contact-card a:hover { text-decoration: underline; }

/* Footer */
footer {
  padding: 2rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.9rem;
  color: var(--text-secondary);
}

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

.social-links { display: flex; gap: 1rem; }
.social-links a:hover { color: var(--text-primary); }

/* Responsive */
@media (max-width: 768px) {
  .hero-content { flex-direction: column; text-align: center; }
  .nav-links { display: none; } /* Simplified for mobile */
  h1 { font-size: 2.5rem; }
  .btn-secondary { margin-left: 0; margin-top: 1rem; display: block; }
}