@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --bg-color: #050505;
  --bg-secondary: #111111;
  --text-primary: #ffffff;
  --text-secondary: #a0a0a0;
  --accent-color: #6366f1; /* Indigo */
  --accent-hover: #4f46e5;
  --border-color: #222222;
  --glass-bg: rgba(17, 17, 17, 0.7);
  --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-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Background Gradients */
.glow-bg {
  position: fixed;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 100vw;
  height: 100vw;
  max-width: 800px;
  max-height: 800px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, rgba(0, 0, 0, 0) 70%);
  z-index: -1;
  pointer-events: none;
}

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Navigation */
nav {
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--text-primary);
  text-decoration: none;
}

.lang-dropdown {
  background-color: var(--glass-bg);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
  padding: 8px 16px;
  border-radius: 20px;
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  backdrop-filter: blur(10px);
  cursor: pointer;
  outline: none;
  transition: all 0.2s ease;
}

.lang-dropdown:hover {
  background-color: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.15);
}

.lang-dropdown option {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
}

/* Hero Section */
.hero {
  text-align: center;
  padding: 100px 0 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero h1 {
  font-size: 56px;
  font-weight: 700;
  letter-spacing: -2px;
  line-height: 1.1;
  margin-bottom: 24px;
  background: linear-gradient(180deg, #FFFFFF 0%, #A0A0A0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  max-width: 800px;
}

.hero p {
  font-size: 20px;
  color: var(--text-secondary);
  max-width: 600px;
  margin-bottom: 48px;
}

/* Buttons */
.store-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  border-radius: 100px;
  font-size: 16px;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.3s ease;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background-color: var(--text-primary);
  color: var(--bg-color);
}

.btn-primary:hover {
  background-color: #e0e0e0;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(255, 255, 255, 0.1);
}

.btn-secondary {
  background-color: var(--glass-bg);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.05);
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.15);
}

.btn i {
  margin-right: 10px;
  font-size: 20px;
}

/* App Showcase */
.app-showcase {
  margin-top: 60px;
  position: relative;
  display: flex;
  justify-content: center;
  perspective: 1000px;
}

.app-frame {
  width: 320px;
  height: 650px;
  border-radius: 40px;
  background-color: #000;
  border: 8px solid #222;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.1);
  overflow: hidden;
  position: relative;
  transform: rotateX(5deg);
  transition: transform 0.5s ease;
}

.app-frame:hover {
  transform: rotateX(0deg) scale(1.02);
}

.app-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 32px;
}

/* Document Pages (Privacy, Delete Account) */
.doc-page {
  padding: 80px 0;
}

.doc-content {
  background-color: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 48px;
  backdrop-filter: blur(20px);
}

.doc-content h1 {
  font-size: 36px;
  margin-bottom: 32px;
  letter-spacing: -1px;
}

.doc-content h2 {
  font-size: 24px;
  margin: 32px 0 16px;
  color: var(--text-primary);
}

.doc-content p {
  margin-bottom: 16px;
  color: var(--text-secondary);
}

.doc-content ul {
  margin-left: 24px;
  margin-bottom: 24px;
  color: var(--text-secondary);
}

.doc-content li {
  margin-bottom: 8px;
}

.doc-content a {
  color: var(--accent-color);
  text-decoration: none;
  transition: color 0.2s;
}

.doc-content a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

/* Footer */
footer {
  margin-top: 100px;
  padding: 40px 0;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s;
}

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

.copyright {
  color: var(--text-secondary);
  font-size: 14px;
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 40px;
  }
  
  .hero p {
    font-size: 18px;
  }
  
  .store-buttons {
    flex-direction: column;
    width: 100%;
    max-width: 300px;
  }
  
  .btn {
    width: 100%;
  }
  
  footer {
    flex-direction: column;
    gap: 24px;
    text-align: center;
  }
  
  .doc-content {
    padding: 32px 24px;
  }
}