/* BM-Link Website Styles */

:root {
  --bg-primary: #08101C;
  --bg-secondary: #0F172A;
  --bg-card: #1E293B;
  --accent-blue: #2563EB;
  --accent-blue-hover: #1D4ED8;
  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --border-color: #334155;
  --success: #10B981;
  --warning: #F59E0B;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.3s ease;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(8, 16, 28, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  padding: 1rem 0;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--accent-blue);
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  font-weight: 500;
}

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

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 6rem 2rem 4rem;
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.hero-content h1 {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--accent-blue) 0%, #60A5FA 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-content p {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 2rem;
}

.cta-button {
  display: inline-block;
  padding: 1rem 2.5rem;
  background: var(--accent-blue);
  color: white;
  font-weight: 600;
  border-radius: 8px;
  transition: all 0.3s ease;
}

.cta-button:hover {
  background: var(--accent-blue-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(37, 99, 235, 0.3);
}

/* Features Section */
.features {
  padding: 6rem 0;
  background: var(--bg-secondary);
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 3rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2rem;
  transition: all 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-blue);
  box-shadow: 0 10px 30px rgba(37, 99, 235, 0.2);
}

.feature-icon {
  width: 60px;
  height: 60px;
  background: rgba(37, 99, 235, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.feature-card p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* How It Works Section */
.how-it-works {
  padding: 6rem 0;
  background: var(--bg-primary);
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.step {
  text-align: center;
  padding: 2rem;
}

.step-number {
  width: 60px;
  height: 60px;
  background: var(--accent-blue);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: bold;
  margin: 0 auto 1.5rem;
}

.step h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.step p {
  color: var(--text-secondary);
}

.network-diagram {
  margin-top: 4rem;
  padding: 2rem;
  background: var(--bg-card);
  border-radius: 12px;
  border: 1px solid var(--border-color);
}

.diagram-svg {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  display: block;
}

/* Download Section */
.download {
  padding: 6rem 0;
  background: var(--bg-secondary);
}

.download-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.download-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2.5rem;
  text-align: center;
  transition: all 0.3s ease;
}

.download-card.available:hover {
  border-color: var(--accent-blue);
  transform: translateY(-5px);
}

.download-card.coming-soon {
  opacity: 0.6;
}

.platform-icon {
  font-size: 3rem;
  margin-bottom: 1.5rem;
}

.download-card h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

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

.download-btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  background: var(--accent-blue);
  color: white;
  font-weight: 600;
  border-radius: 8px;
  transition: all 0.3s ease;
}

.download-btn:hover {
  background: var(--accent-blue-hover);
  transform: translateY(-2px);
}

.coming-soon-badge {
  display: inline-block;
  padding: 0.5rem 1.5rem;
  background: var(--border-color);
  color: var(--text-muted);
  border-radius: 8px;
  cursor: not-allowed;
}

/* Footer */
.footer {
  padding: 3rem 0;
  background: var(--bg-primary);
  border-top: 1px solid var(--border-color);
  text-align: center;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 1.5rem;
  list-style: none;
}

.footer-links a {
  color: var(--text-secondary);
}

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

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

/* Responsive Design */
@media (max-width: 768px) {
  .hero-content h1 {
    font-size: 2.5rem;
  }

  .hero-content p {
    font-size: 1rem;
  }

  .nav-links {
    gap: 1rem;
    font-size: 0.9rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .features-grid,
  .steps,
  .download-cards {
    grid-template-columns: 1fr;
  }
}

/* Smooth Scrolling */
html {
  scroll-behavior: smooth;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}