/* Base styling and variables */
:root {
  --primary: #4F46E5;
  --primary-hover: #4338CA;
  --secondary: #10B981;
  --background-start: #0F172A;
  --background-end: #1E293B;
  --surface: rgba(30, 41, 59, 0.7);
  --surface-border: rgba(255, 255, 255, 0.1);
  --text-main: #F8FAFC;
  --text-muted: #94A3B8;
  --accent: #38BDF8;
}

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

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: linear-gradient(135deg, var(--background-start), var(--background-end)) no-repeat center center fixed;
  background-size: cover;
  color: var(--text-main);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Glassmorphism setup */
.glass-panel {
  background: var(--surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--surface-border);
  border-radius: 16px;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

/* Navigation */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
  border-left: none;
  border-right: none;
  border-top: none;
}

.nav-brand {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-main);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

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

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

/* Main Layout */
.main-content {
  flex: 1;
  padding: 4rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

/* Hero Section */
.hero {
  text-align: center;
  padding: 6rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.hero h1 {
  font-size: 4rem;
  font-weight: 800;
  background: linear-gradient(to right, var(--accent), var(--primary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 1rem;
}

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

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  border-radius: 9999px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--primary);
  color: white;
  box-shadow: 0 4px 14px 0 rgba(79, 70, 229, 0.39);
}

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(79, 70, 229, 0.23);
}

/* Document Pages (Privacy, Terms, Support) */
.doc-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 3rem;
}

.doc-container h1 {
  font-size: 2.5rem;
  margin-bottom: 2rem;
  color: var(--accent);
}

.doc-container h2 {
  font-size: 1.5rem;
  margin-top: 2rem;
  margin-bottom: 1rem;
  color: var(--text-main);
}

.doc-container p {
  margin-bottom: 1.5rem;
  color: var(--text-muted);
}

.doc-container ul {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
  color: var(--text-muted);
}

.doc-container li {
  margin-bottom: 0.5rem;
}

/* Support specific */
.contact-card {
  margin-top: 2rem;
  padding: 2rem;
  text-align: left;
}

/* Footer */
footer {
  margin-top: auto;
  padding: 3rem 2rem;
  text-align: center;
  border-top: 1px solid var(--surface-border);
  background: rgba(15, 23, 42, 0.8);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

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

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.3s ease;
}

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

.company-info {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* Utilities */
.text-center { text-align: center; }
.mt-8 { margin-top: 2rem; }

/* Responsive */
@media (max-width: 768px) {
  .hero h1 { font-size: 2.5rem; }
  .nav-links { display: none; } /* Simple mobile header */
  .doc-container { padding: 1.5rem; }
}