/* ========================================
   Navigation Header
   ======================================== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  background: rgba(10, 14, 23, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.header.scrolled {
  background: rgba(10, 14, 23, 0.95);
  box-shadow: var(--shadow-lg);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) 0;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-primary);
  text-shadow: var(--glow-primary);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
}

.nav-link {
  position: relative;
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition-base);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-link.active {
  color: var(--color-primary);
}

.nav-link.active::after {
  width: 100%;
}

.language-switcher {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.language-switcher:hover {
  border-color: var(--color-primary);
  box-shadow: var(--glow-primary);
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: var(--space-2);
  background: none;
  border: none;
  cursor: pointer;
}

.mobile-menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  transition: all var(--transition-base);
}

/* ========================================
   Hero Section
   ======================================== */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero-title {
  font-size: var(--text-6xl);
  font-weight: var(--font-extrabold);
  line-height: 1.1;
  margin-bottom: var(--space-6);
}

.hero-subtitle {
  font-size: var(--text-xl);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-8);
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0.1;
  pointer-events: none;
}

/* ========================================
   Feature Cards
   ======================================== */

.feature-card {
  position: relative;
  padding: var(--space-8);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-card:hover {
  border-color: var(--color-border-accent);
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.feature-icon {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
  font-size: var(--text-3xl);
}

.feature-title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-3);
}

.feature-description {
  color: var(--color-text-tertiary);
  line-height: 1.7;
}

/* ========================================
   Footer
   ======================================== */

.footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: var(--space-16) 0 var(--space-6);
  margin-top: var(--space-20);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}

.footer-brand {
  max-width: 350px;
}

.footer-logo {
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--color-primary);
  text-shadow: var(--glow-primary);
  margin-bottom: var(--space-4);
}

.footer-description {
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-6);
}

.footer-column h4 {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--space-3);
}

.footer-links a {
  color: var(--color-text-tertiary);
  font-size: var(--text-sm);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-copyright {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.footer-legal {
  display: flex;
  gap: var(--space-6);
  list-style: none;
}

.footer-legal a {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.footer-legal a:hover {
  color: var(--color-primary);
}

.cat-compliance {
  text-align: center;
  padding-top: var(--space-4);
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  font-style: italic;
}

/* ========================================
   Section Headers
   ======================================== */

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-12);
}

.section-badge {
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  background: rgba(0, 255, 136, 0.1);
  border: 1px solid var(--color-border-accent);
  border-radius: var(--radius-full);
  color: var(--color-primary);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-4);
}

.section-title {
  font-size: var(--text-4xl);
  font-weight: var(--font-extrabold);
  margin-bottom: var(--space-4);
}

.section-description {
  font-size: var(--text-lg);
  color: var(--color-text-tertiary);
  line-height: 1.7;
}

/* ========================================
   Responsive - Mobile
   ======================================== */

@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: 73px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: var(--space-6);
    background: rgba(10, 14, 23, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-100%);
    opacity: 0;
    transition: all var(--transition-base);
  }
  
  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
  }
  
  .nav-menu li {
    width: 100%;
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--color-border);
  }
  
  .hero-title {
    font-size: var(--text-4xl);
  }
  
  .hero-subtitle {
    font-size: var(--text-lg);
  }
  
  .hero-cta {
    flex-direction: column;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}