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

:root {
  --bg-color: #0a0a0c;
  --text-color: #ffffff;
  --primary-color: #7c3aed;
  --secondary-color: #3b82f6;
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.08);
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  overflow-x: hidden;
  line-height: 1.6;
}

/* Background Effects */
.bg-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--primary-color) 0%, transparent 60%);
  opacity: 0.15;
  top: -200px;
  left: -200px;
  filter: blur(80px);
  z-index: -1;
}

.bg-glow.right {
  left: auto;
  right: -200px;
  top: 40%;
  background: radial-gradient(circle, var(--secondary-color) 0%, transparent 60%);
}

/* Navbar */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 5%;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 100;
  transition: all 0.3s ease;
}

nav.scrolled {
  background: rgba(10, 10, 12, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.5px;
}

.nav-brand img {
  height: 32px;
  border-radius: 8px;
}

.nav-links {
  display: flex;
  gap: 30px;
}

.nav-links a {
  color: #a1a1aa;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  padding: 10px 24px;
  border-radius: 100px;
  text-decoration: none;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(124, 58, 237, 0.3);
}

/* Hero Section */
header {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 0 20px;
  position: relative;
}

.hero-badge {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  padding: 8px 16px;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  color: #a1a1aa;
  margin-bottom: 30px;
  backdrop-filter: blur(10px);
  animation: fadeUp 0.8s ease-out;
}

.hero-badge span {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

h1 {
  font-size: 5rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -2px;
  margin-bottom: 24px;
  max-width: 900px;
  animation: fadeUp 1s ease-out;
}

.text-gradient {
  background: linear-gradient(135deg, #fff, #a1a1aa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.subtitle {
  font-size: 1.25rem;
  color: #a1a1aa;
  max-width: 600px;
  margin-bottom: 40px;
  animation: fadeUp 1.2s ease-out;
}

.hero-cta {
  display: flex;
  gap: 16px;
  animation: fadeUp 1.4s ease-out;
}

.btn-secondary {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: white;
  padding: 10px 24px;
  border-radius: 100px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.2s ease;
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
}

/* Features Section */
#features {
  padding: 120px 5%;
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 60px;
  font-weight: 800;
  letter-spacing: -1px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.feature-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  padding: 40px 30px;
  border-radius: 24px;
  backdrop-filter: blur(10px);
  transition: transform 0.3s ease, border-color 0.3s ease;
  opacity: 0;
  transform: translateY(30px);
}

.feature-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.feature-card:hover {
  transform: translateY(-10px);
  border-color: rgba(124, 58, 237, 0.5);
}

.feature-icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, rgba(124,58,237,0.2), rgba(59,130,246,0.2));
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 24px;
  color: var(--secondary-color);
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.feature-card p {
  color: #a1a1aa;
  font-size: 0.95rem;
}

/* Footer */
footer {
  border-top: 1px solid var(--glass-border);
  padding: 40px 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #a1a1aa;
  font-size: 0.9rem;
}

footer a {
  color: #a1a1aa;
  text-decoration: none;
  transition: color 0.2s ease;
}

footer a:hover {
  color: white;
}

/* Animations */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive */
@media (max-width: 768px) {
  h1 { font-size: 3.5rem; }
  .nav-links { display: none; }
  .hero-cta { flex-direction: column; width: 100%; max-width: 300px; }
  .features-grid { grid-template-columns: 1fr; }
  footer { flex-direction: column; gap: 20px; text-align: center; }
}

/* App Screenshot */
.hero-screenshot-container {
  margin-top: 60px;
  perspective: 1000px;
  animation: fadeUp 1.6s ease-out;
  max-width: 300px;
}

.app-screenshot {
  width: 100%;
  border-radius: 24px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.4), 0 0 0 8px rgba(255,255,255,0.05);
  border: 1px solid var(--glass-border);
  transform: rotateX(15deg) rotateY(-15deg);
  transition: transform 0.5s ease;
}

.app-screenshot:hover {
  transform: rotateX(0deg) rotateY(0deg);
}