:root {
  --primary: #4f6ef7;
  --primary-dark: #3a57e8;
  --primary-bg: #eef1ff;
  --bg: #ffffff;
  --surface: #f8f9fc;
  --border: #e4e7ef;
  --text: #1a1d2e;
  --text-muted: #7b8197;
  --success: #16a34a;
  --success-bg: #dcfce7;
  --radius-md: 10px;
  --radius-lg: 14px;
  --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

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

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

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Navbar */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text);
  text-decoration: none;
}

.logo img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

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

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

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

/* Hero Section */
.hero {
  padding: 8rem 0 6rem;
  text-align: center;
}

.badge {
  background: var(--primary-bg);
  color: var(--primary);
  padding: 0.5rem 1.25rem;
  border-radius: 99px;
  font-size: 0.85rem;
  font-weight: 600;
  display: inline-block;
  margin-bottom: 2rem;
}

h1 {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  letter-spacing: -0.04em;
  color: var(--text);
  line-height: 1.1;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 3rem;
}

.cta-button {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  padding: 1rem 2.5rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
  display: inline-block;
  box-shadow: 0 4px 14px rgba(79, 110, 247, 0.4);
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(79, 110, 247, 0.5);
}

/* Features */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin: 4rem 0 8rem;
}

.feature-card {
  background: var(--surface);
  border: 1.5px solid var(--border);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  transition: all 0.2s ease;
}

.feature-card:hover {
  border-color: var(--primary);
  background: white;
  box-shadow: var(--shadow);
}

.feature-card i {
  color: var(--primary);
  font-size: 1.75rem;
  margin-bottom: 1.5rem;
  display: block;
}

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

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

/* Content Page (Privacy) */
.content-page {
  padding: 4rem 0;
  max-width: 800px;
  margin: 0 auto;
}

.content-page h2 {
  font-size: 2.5rem;
  margin-bottom: 2rem;
}

.content-page section {
  margin-bottom: 3rem;
}

.content-page h4 {
  margin-bottom: 1rem;
  color: var(--primary);
  font-size: 1.25rem;
}

.content-page p {
  color: var(--text-muted);
}

.permission-list {
  list-style: none;
  margin-top: 1rem;
}

.permission-list li {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 0.75rem 1rem;
  border-radius: 8px;
  margin-bottom: 0.5rem;
  color: var(--text);
  font-size: 0.9rem;
}

.permission-list strong {
  color: var(--primary);
}

footer {
  text-align: center;
  padding: 4rem 0;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.9rem;
}

footer a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
}

@media (max-width: 768px) {
  h1 {
    font-size: 2.5rem;
  }

  .nav-links {
    display: none;
  }
}