@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;700&display=swap');

:root {
  --bg-color: #0d1117;
  --bg-surface: #161b22;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --accent-cyan: #00f2fe;
  --accent-purple: #4facfe;
  --glass-bg: rgba(22, 27, 34, 0.7);
  --glass-border: rgba(255, 255, 255, 0.1);
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Background Gradient Blob */
.bg-blob {
  position: fixed;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-purple) 0%, transparent 60%);
  opacity: 0.15;
  filter: blur(80px);
  z-index: -1;
  animation: pulse 10s infinite alternate ease-in-out;
}

@keyframes pulse {
  0% { transform: translateX(-50%) scale(1); opacity: 0.1; }
  100% { transform: translateX(-50%) scale(1.1); opacity: 0.2; }
}

/* Navigation */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 5%;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.5px;
  text-decoration: none;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

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

.nav-links a.active {
  color: var(--accent-cyan);
}

/* Main Content Layout */
main {
  flex: 1;
  max-width: 1000px;
  margin: 0 auto;
  padding: 4rem 2rem;
  width: 100%;
}

/* Hero Section */
.hero {
  text-align: center;
  padding: 4rem 0;
}

.hero h1 {
  font-size: 4rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -1px;
}

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

/* Terminal Component */
.terminal {
  background: #000;
  border-radius: 12px;
  border: 1px solid var(--glass-border);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  overflow: hidden;
  max-width: 700px;
  margin: 0 auto;
  text-align: left;
}

.terminal-header {
  background: #1a1a1a;
  padding: 0.75rem 1rem;
  display: flex;
  gap: 8px;
  border-bottom: 1px solid var(--glass-border);
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }

.terminal-body {
  padding: 1.5rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.95rem;
}

.cmd-line {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.5rem;
}

.prompt { color: var(--accent-purple); font-weight: bold; }
.cmd-text { color: var(--text-primary); flex: 1; }

.copy-btn {
  background: var(--bg-surface);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  padding: 0.4rem 0.8rem;
  border-radius: 6px;
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  transition: all 0.2s ease;
}

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

.terminal-output {
  margin-top: 1.5rem;
  color: var(--text-secondary);
  white-space: pre;
}

.output-highlight {
  color: var(--accent-cyan);
}

/* Features Grid */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 5rem;
}

.feature-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  padding: 2rem;
  border-radius: 16px;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-purple);
}

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

.feature-card h3 {
  margin-bottom: 0.5rem;
  font-size: 1.25rem;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Document Pages (Privacy / Terms) */
.document-page {
  text-align: left;
}

.document-page h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  background: linear-gradient(90deg, var(--text-primary), var(--text-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.meta-date {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 3rem;
  display: block;
}

.document-content h2 {
  font-size: 1.5rem;
  margin: 2.5rem 0 1rem;
  color: var(--accent-cyan);
}

.document-content h3 {
  font-size: 1.2rem;
  margin: 1.5rem 0 0.75rem;
}

.document-content p, .document-content ul {
  margin-bottom: 1.2rem;
  color: #c9d1d9;
}

.document-content ul {
  padding-left: 1.5rem;
}

.document-content a {
  color: var(--accent-purple);
  text-decoration: none;
}

.document-content a:hover {
  text-decoration: underline;
}

/* Highlight Box for important info */
.highlight-box {
  background: rgba(0, 242, 254, 0.05);
  border-left: 4px solid var(--accent-cyan);
  padding: 1.5rem;
  border-radius: 0 8px 8px 0;
  margin: 2rem 0;
}

.highlight-box p:last-child {
  margin-bottom: 0;
}

/* Footer */
footer {
  text-align: center;
  padding: 2rem;
  color: var(--text-secondary);
  border-top: 1px solid var(--glass-border);
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 { font-size: 2.5rem; }
  .nav-links { display: none; } /* Simple mobile strategy */
}