@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Playfair+Display:ital,wght@0,400;0,600;1,400&display=swap');

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

:root {
  --void: #0B0C15;
  --void-light: #12131F;
  --essence: #7B68EE;
  --essence-glow: rgba(123, 104, 238, 0.15);
  --text-primary: #E8E6F0;
  --text-secondary: rgba(232, 230, 240, 0.6);
  --text-muted: rgba(232, 230, 240, 0.35);
  --border: rgba(255, 255, 255, 0.08);
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--void);
  color: var(--text-primary);
  line-height: 1.7;
  font-weight: 300;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 60px 24px 80px;
}

nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(11, 12, 21, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

nav .nav-inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

nav .logo {
  font-family: 'Playfair Display', serif;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: 0.5px;
}

nav .nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
}

nav .nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 400;
  transition: color 0.2s ease;
}

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

.page-content {
  padding-top: 80px;
}

h1 {
  font-family: 'Playfair Display', serif;
  font-size: 2.5rem;
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 48px;
  font-weight: 300;
}

.updated {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 48px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

h2 {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 48px;
  margin-bottom: 16px;
}

h3 {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-top: 32px;
  margin-bottom: 12px;
}

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

ul {
  list-style: none;
  margin-bottom: 16px;
  padding-left: 0;
}

ul li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 8px;
  color: var(--text-secondary);
}

ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--essence);
  opacity: 0.6;
}

a {
  color: var(--essence);
  text-decoration: none;
  transition: opacity 0.2s ease;
}

a:hover {
  opacity: 0.8;
}

.divider {
  height: 1px;
  background: var(--border);
  margin: 48px 0;
}

.hero {
  text-align: center;
  padding: 120px 24px 80px;
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 20px;
}

.hero .tagline {
  font-family: 'Playfair Display', serif;
  font-size: 1.375rem;
  font-style: italic;
  color: var(--text-secondary);
  font-weight: 400;
  margin-bottom: 48px;
}

.orb {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 40%, var(--essence), rgba(123, 104, 238, 0.2), transparent);
  margin: 0 auto 48px;
  box-shadow: 0 0 60px var(--essence-glow), 0 0 120px rgba(123, 104, 238, 0.08);
  animation: breathe 6s ease-in-out infinite;
}

@keyframes breathe {
  0%, 100% { transform: scale(1); opacity: 0.9; }
  50% { transform: scale(1.08); opacity: 1; }
}

.hero-links {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-links a {
  padding: 12px 28px;
  border-radius: 8px;
  font-size: 0.9375rem;
  font-weight: 400;
  transition: all 0.2s ease;
}

.hero-links a.primary {
  background: var(--essence);
  color: white;
}

.hero-links a.primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.hero-links a.secondary {
  border: 1px solid var(--border);
  color: var(--text-secondary);
}

.hero-links a.secondary:hover {
  border-color: var(--essence);
  color: var(--essence);
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 16px;
  background: var(--void-light);
  transition: border-color 0.2s ease;
}

.faq-item:hover {
  border-color: rgba(123, 104, 238, 0.25);
}

.faq-item h3 {
  margin-top: 0;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.faq-item p {
  margin-bottom: 0;
  font-size: 0.9375rem;
}

.contact-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  margin-top: 32px;
  background: var(--void-light);
  text-align: center;
}

.contact-card h3 {
  margin-top: 0;
}

.contact-card a {
  font-size: 1.125rem;
  font-weight: 500;
}

.zero-knowledge-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 20px;
  background: var(--essence-glow);
  border: 1px solid rgba(123, 104, 238, 0.25);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--essence);
  margin-bottom: 32px;
  letter-spacing: 0.5px;
}

footer {
  border-top: 1px solid var(--border);
  padding: 32px 24px;
  text-align: center;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

footer .footer-links {
  display: flex;
  gap: 24px;
  justify-content: center;
  margin-bottom: 16px;
}

footer .footer-links a {
  color: var(--text-muted);
  font-size: 0.8125rem;
}

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

@media (max-width: 600px) {
  .hero h1 { font-size: 2.5rem; }
  h1 { font-size: 2rem; }
  .container { padding: 40px 20px 60px; }
  nav .nav-links { gap: 16px; }
  nav .nav-links a { font-size: 0.8125rem; }
}