/* Virtual Reality Alliance - Premium VR Industry Site */
:root {
  --bg-dark: #0a0b0f;
  --bg-card: #12141a;
  --bg-elevated: #1a1d26;
  --accent-cyan: #00d4ff;
  --accent-purple: #8b5cf6;
  --accent-magenta: #ec4899;
  --text-primary: #f4f5f7;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  --border: rgba(255, 255, 255, 0.08);
  --gradient-hero: linear-gradient(135deg, #0a0b0f 0%, #12141a 40%, #0f172a 100%);
  --gradient-accent: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-purple) 100%);
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.25rem 1.5rem;
  background: rgba(10, 11, 15, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav-cta {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--accent-cyan);
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  border: 1px solid rgba(0, 212, 255, 0.3);
  transition: background 0.2s, border-color 0.2s;
}

.nav-cta:hover {
  background: rgba(0, 212, 255, 0.1);
  border-color: var(--accent-cyan);
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 0 6rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
  z-index: -1;
}

.hero-bg::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -30%;
  width: 80%;
  height: 120%;
  background: radial-gradient(
    ellipse at center,
    rgba(0, 212, 255, 0.08) 0%,
    rgba(139, 92, 246, 0.05) 40%,
    transparent 70%
  );
  pointer-events: none;
}

.hero-bg::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -20%;
  width: 60%;
  height: 80%;
  background: radial-gradient(
    ellipse at center,
    rgba(236, 72, 153, 0.05) 0%,
    transparent 60%
  );
  pointer-events: none;
}

.hero-content {
  text-align: center;
}

.hero-badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 1.5rem;
  padding: 0.4rem 0.9rem;
  border: 1px solid rgba(0, 212, 255, 0.25);
  border-radius: 100px;
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.5rem, 6vw, 4rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  background: linear-gradient(180deg, #fff 0%, #a1a1aa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 2.5rem;
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 40px;
  border: 2px solid var(--text-muted);
  border-radius: 12px;
}

.scroll-indicator::after {
  content: '';
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: var(--accent-cyan);
  border-radius: 2px;
  animation: scroll 2s ease-in-out infinite;
}

@keyframes scroll {
  0%, 100% { opacity: 0.2; transform: translateX(-50%) translateY(0); }
  50% { opacity: 1; transform: translateX(-50%) translateY(8px); }
}

/* CTAs */
.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  padding: 1rem 2rem;
  border-radius: 12px;
  transition: transform 0.2s, box-shadow 0.2s, opacity 0.2s;
}

.cta:hover {
  transform: translateY(-2px);
}

.cta-primary {
  background: var(--gradient-accent);
  color: #0a0b0f;
  border: none;
}

.cta-primary:hover {
  box-shadow: 0 12px 40px rgba(0, 212, 255, 0.35);
}

.cta-secondary {
  background: var(--bg-elevated);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 212, 255, 0.4);
}

.cta-secondary:hover {
  background: rgba(0, 212, 255, 0.1);
  box-shadow: 0 8px 24px rgba(0, 212, 255, 0.2);
}

.cta-outline {
  background: transparent;
  color: var(--accent-cyan);
  border: 2px solid var(--accent-cyan);
}

.cta-outline:hover {
  background: rgba(0, 212, 255, 0.1);
}

.cta-large {
  font-size: 1.125rem;
  padding: 1.25rem 2.5rem;
}

/* Stats */
.stats {
  padding: 4rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2.5rem;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* About / Benefits */
.about {
  padding: 6rem 0;
}

.about h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  text-align: center;
  margin-bottom: 3rem;
  letter-spacing: -0.02em;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 3rem;
}

.benefit {
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  transition: border-color 0.2s, transform 0.2s;
}

.benefit:hover {
  border-color: rgba(0, 212, 255, 0.2);
  transform: translateY(-4px);
}

.benefit-icon {
  font-size: 1.5rem;
  color: var(--accent-cyan);
  margin-bottom: 1rem;
}

.benefit h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.benefit p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.about-cta {
  text-align: center;
}

/* Testimonial */
.testimonial {
  padding: 5rem 0;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.testimonial blockquote {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.testimonial blockquote p {
  font-size: 1.35rem;
  font-style: italic;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.testimonial blockquote footer {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Join Section */
.join {
  padding: 6rem 0;
  text-align: center;
}

.join h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.join-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

/* Footer CTA */
.footer-cta {
  padding: 4rem 0;
  background: var(--bg-elevated);
  text-align: center;
}

.footer-cta p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

/* Footer */
.footer {
  padding: 2rem 0;
  border-top: 1px solid var(--border);
}

.footer p {
  font-size: 0.9rem;
  color: var(--text-muted);
  text-align: center;
}

/* Responsive */
@media (max-width: 768px) {
  .stats-grid,
  .benefits-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 7rem 0 5rem;
  }

  .hero h1 {
    font-size: 2.25rem;
  }

  .hero-subtitle {
    font-size: 1.1rem;
  }

  .scroll-indicator {
    display: none;
  }

  .benefit {
    text-align: center;
  }
}