:root {
  --primary: #2563eb;
  --primary-glow: rgba(37, 99, 235, 0.4);
  --bg-color: #0b0d18;
  --panel-bg: rgba(255, 255, 255, 0.03);
  --panel-border: rgba(255, 255, 255, 0.08);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --accent: #14b8a6;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  background-image: radial-gradient(circle at 15% 50%, rgba(37, 99, 235, 0.1), transparent 25%),
                    radial-gradient(circle at 85% 30%, rgba(20, 184, 166, 0.1), transparent 25%);
  background-attachment: fixed;
}

/* Glassmorphism Classes */
.glass-panel {
  background: var(--panel-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

/* Layout */
.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 2rem;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-main);
  text-decoration: none;
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 8px;
}

nav a {
  color: var(--text-muted);
  text-decoration: none;
  margin-left: 2rem;
  font-weight: 500;
  transition: color 0.3s ease;
}

nav a:hover {
  color: var(--accent);
}

/* Hero Section */
.hero {
  text-align: center;
  padding: 6rem 0;
  animation: fadeInUp 1s ease-out;
}

.hero h1 {
  font-size: 4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  background: linear-gradient(to right, #fff, #94a3b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background-color: var(--primary);
  color: #fff;
  box-shadow: 0 0 20px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px var(--primary-glow);
  background-color: #3b82f6;
}

/* Document Pages (Privacy, Terms) */
.doc-header {
  text-align: center;
  padding: 4rem 0 2rem;
}

.doc-header h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.doc-content {
  padding: 3rem;
  margin-bottom: 4rem;
}

.doc-content h2 {
  color: var(--accent);
  margin-top: 2rem;
  margin-bottom: 1rem;
}

.doc-content p, .doc-content li {
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.doc-content ul {
  padding-left: 1.5rem;
  margin-bottom: 1.5rem;
}

/* Footer */
footer {
  text-align: center;
  padding: 3rem 0;
  color: var(--text-muted);
  border-top: 1px solid var(--panel-border);
  margin-top: 4rem;
}

footer a {
  color: var(--text-muted);
  text-decoration: none;
  margin: 0 1rem;
  transition: color 0.3s ease;
}

footer a:hover {
  color: var(--text-main);
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}