/* Neural Theme - Dark Tech with Cyan/Green Neon Accents */
/* Based on Neural Wave Grid design concept */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

:root {
  --neural-bg-primary: #0a0e27;
  --neural-bg-secondary: #1a1d3a;
  --neural-bg-card: rgba(255, 255, 255, 0.03);
  --neural-border: rgba(255, 255, 255, 0.08);
  --neural-cyan: #00d4ff;
  --neural-blue: #0099ff;
  --neural-green: #00ff88;
  --neural-text: #e0e6ed;
  --neural-text-muted: #8b95a8;
  --neural-text-dim: #a0aec0;
}

body[data-theme="neural-dark"] {
  font-family: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  background: linear-gradient(135deg, var(--neural-bg-primary) 0%, var(--neural-bg-secondary) 100%);
  color: var(--neural-text);
  min-height: 100vh;

  /* Logo CSS variables for dark theme */
  --logo-wave-color: #00d4ff;
  --logo-node-color: #00ff88;
  --logo-text-start: #00d4ff;
  --logo-text-end: #00ff88;
}

/* Header */
body[data-theme="neural-dark"] .header {
  background: rgba(10, 14, 39, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--neural-border);
}

body[data-theme="neural-dark"] .nav-brand {
  color: var(--neural-text);
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
}

body[data-theme="neural-dark"] .brand-icon {
  display: none;
}

body[data-theme="neural-dark"] .nav-link {
  color: var(--neural-text-muted);
  font-weight: 500;
  transition: color 0.3s ease;
}

body[data-theme="neural-dark"] .nav-link:hover {
  color: var(--neural-cyan);
}

body[data-theme="neural-dark"] .nav-link-cta {
  color: var(--neural-green);
  font-weight: 600;
}

body[data-theme="neural-dark"] .nav-link-cta:hover {
  color: var(--neural-cyan);
}

/* Hero Section */
body[data-theme="neural-dark"] .hero {
  background: linear-gradient(135deg, var(--neural-bg-primary) 0%, var(--neural-bg-secondary) 100%);
  position: relative;
  overflow: hidden;
}

body[data-theme="neural-dark"] .hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse at 20% 30%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 70%, rgba(0, 255, 136, 0.08) 0%, transparent 50%);
  pointer-events: none;
}

body[data-theme="neural-dark"] .hero-title {
  color: var(--neural-text);
  font-weight: 700;
  letter-spacing: -0.02em;
}

body[data-theme="neural-dark"] .gradient-text {
  background: linear-gradient(135deg, var(--neural-cyan) 0%, var(--neural-green) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

body[data-theme="neural-dark"] .hero-description {
  color: var(--neural-text-muted);
  font-weight: 300;
  font-size: 1.15rem;
  line-height: 1.8;
}

body[data-theme="neural-dark"] .btn-primary {
  background: linear-gradient(135deg, var(--neural-cyan) 0%, var(--neural-blue) 100%);
  color: #0a0e27;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  padding: 0.875rem 1.75rem;
  box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
  transition: all 0.3s ease;
}

body[data-theme="neural-dark"] .btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0, 212, 255, 0.5);
}

body[data-theme="neural-dark"] .btn-secondary {
  background: rgba(0, 212, 255, 0.15);
  color: var(--neural-cyan);
  border: 2px solid var(--neural-cyan);
  font-weight: 500;
  border-radius: 8px;
}

body[data-theme="neural-dark"] .btn-secondary:hover {
  border-color: var(--neural-cyan);
  background: rgba(0, 212, 255, 0.3);
  transform: translateY(-2px);
}

body[data-theme="neural-dark"] .hero-graphic {
  display: none;
}

body[data-theme="neural-dark"] .waves-icon {
  color: var(--neural-cyan);
  opacity: 0.3;
}

body[data-theme="neural-dark"] .element {
  background: var(--neural-cyan);
  opacity: 0.2;
}

/* Section Headers */
body[data-theme="neural-dark"] .section-title {
  font-weight: 700;
  background: linear-gradient(135deg, var(--neural-cyan), var(--neural-blue), var(--neural-green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

body[data-theme="neural-dark"] .section-description {
  color: var(--neural-text-muted);
  font-weight: 300;
}

/* Services Section */
body[data-theme="neural-dark"] .services {
  background: transparent;
  padding: 6rem 0;
}

body[data-theme="neural-dark"] .service-card {
  background: var(--neural-bg-card);
  border: 1px solid var(--neural-border);
  border-radius: 16px;
  padding: 2rem;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

body[data-theme="neural-dark"] .service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--neural-cyan), var(--neural-blue), var(--neural-green));
  opacity: 0;
  transition: opacity 0.4s;
}

body[data-theme="neural-dark"] .service-card:hover {
  transform: translateY(-8px);
  border-color: rgba(0, 212, 255, 0.3);
  background: rgba(255, 255, 255, 0.05);
}

body[data-theme="neural-dark"] .service-card:hover::before {
  opacity: 1;
}

body[data-theme="neural-dark"] .service-card.featured {
  border-color: var(--neural-cyan);
  background: rgba(0, 212, 255, 0.05);
}

body[data-theme="neural-dark"] .service-card.featured::before {
  opacity: 1;
  background: linear-gradient(90deg, var(--neural-green), var(--neural-cyan));
}

body[data-theme="neural-dark"] .service-icon-wrapper {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.2), rgba(0, 153, 255, 0.2));
  border: 1px solid var(--neural-cyan);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

body[data-theme="neural-dark"] .service-icon {
  color: var(--neural-cyan);
  width: 28px;
  height: 28px;
}

body[data-theme="neural-dark"] .service-title {
  color: var(--neural-cyan);
  font-weight: 600;
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
}

body[data-theme="neural-dark"] .service-description {
  color: var(--neural-text-dim);
  line-height: 1.7;
  font-weight: 300;
}

/* About Section */
body[data-theme="neural-dark"] .about {
  background: transparent;
  padding: 6rem 0;
}

body[data-theme="neural-dark"] .about-description {
  color: var(--neural-text-muted);
  font-size: 1.1rem;
  line-height: 1.8;
  font-weight: 300;
}

body[data-theme="neural-dark"] .value-item {
  padding: 1.5rem;
  background: var(--neural-bg-card);
  border: 1px solid var(--neural-border);
  border-radius: 12px;
  transition: all 0.3s ease;
}

body[data-theme="neural-dark"] .value-item:hover {
  border-color: var(--neural-cyan);
  background: rgba(0, 212, 255, 0.05);
}

body[data-theme="neural-dark"] .value-icon {
  color: var(--neural-green);
  width: 28px;
  height: 28px;
}

body[data-theme="neural-dark"] .value-item h3 {
  color: var(--neural-text);
  font-weight: 600;
}

body[data-theme="neural-dark"] .value-item p {
  color: var(--neural-text-muted);
  font-weight: 300;
}

/* Contact Section */
body[data-theme="neural-dark"] .contact {
  background: rgba(0, 0, 0, 0.2);
  padding: 6rem 0;
}

body[data-theme="neural-dark"] .contact-info h3 {
  color: var(--neural-text);
  font-weight: 600;
}

body[data-theme="neural-dark"] .contact-icon {
  color: var(--neural-cyan);
}

body[data-theme="neural-dark"] .contact-item {
  color: var(--neural-text-muted);
}

body[data-theme="neural-dark"] .contact-form {
  background: var(--neural-bg-card);
  border: 1px solid var(--neural-border);
  border-radius: 16px;
  padding: 2.5rem;
}

body[data-theme="neural-dark"] .form-group input,
body[data-theme="neural-dark"] .form-group textarea {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--neural-border);
  border-radius: 10px;
  padding: 0.875rem 1rem;
  font-size: 1rem;
  color: var(--neural-text);
  transition: all 0.3s ease;
}

body[data-theme="neural-dark"] .form-group input::placeholder,
body[data-theme="neural-dark"] .form-group textarea::placeholder {
  color: var(--neural-text-muted);
}

body[data-theme="neural-dark"] .form-group input:focus,
body[data-theme="neural-dark"] .form-group textarea:focus {
  border-color: var(--neural-cyan);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
  outline: none;
}

/* Footer */
body[data-theme="neural-dark"] .footer {
  background: var(--neural-bg-primary);
  border-top: 1px solid var(--neural-border);
}

body[data-theme="neural-dark"] .footer-logo {
  color: var(--neural-text);
}

body[data-theme="neural-dark"] .footer-tagline {
  color: var(--neural-text-muted);
}

body[data-theme="neural-dark"] .footer-section h4 {
  color: var(--neural-cyan);
  font-weight: 600;
}

body[data-theme="neural-dark"] .footer-section ul li a {
  color: var(--neural-text-muted);
  transition: color 0.2s ease;
}

body[data-theme="neural-dark"] .footer-section ul li a:hover {
  color: var(--neural-green);
}

body[data-theme="neural-dark"] .social-links a {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--neural-border);
  border-radius: 8px;
}

body[data-theme="neural-dark"] .social-links a:hover {
  background: var(--neural-cyan);
  border-color: var(--neural-cyan);
}

body[data-theme="neural-dark"] .footer-bottom {
  border-top-color: var(--neural-border);
  color: var(--neural-text-muted);
}

/* Style/Language Switchers */
body[data-theme="neural-dark"] .style-button,
body[data-theme="neural-dark"] .language-button {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--neural-border);
  color: var(--neural-text-muted);
}

body[data-theme="neural-dark"] .style-button:hover,
body[data-theme="neural-dark"] .language-button:hover {
  border-color: var(--neural-cyan);
  color: var(--neural-text);
}

body[data-theme="neural-dark"] .style-dropdown,
body[data-theme="neural-dark"] .language-dropdown {
  background: var(--neural-bg-secondary);
  border: 1px solid var(--neural-border);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

body[data-theme="neural-dark"] .style-option,
body[data-theme="neural-dark"] .language-option {
  color: var(--neural-text-muted);
}

body[data-theme="neural-dark"] .style-option:hover,
body[data-theme="neural-dark"] .language-option:hover {
  background: rgba(0, 212, 255, 0.1);
  color: var(--neural-text);
}

body[data-theme="neural-dark"] .style-option.active,
body[data-theme="neural-dark"] .language-option.active {
  background: rgba(0, 212, 255, 0.2);
  color: var(--neural-cyan);
}

body[data-theme="neural-dark"] .theme-description {
  color: var(--neural-text-dim);
}

/* Mobile Optimizations */
@media (max-width: 768px) {
  body[data-theme="neural-dark"] .mobile-header {
    background: rgba(10, 14, 39, 0.98);
  }

  body[data-theme="neural-dark"] .mobile-nav {
    background: rgba(10, 14, 39, 0.98);
  }

  body[data-theme="neural-dark"] .mobile-nav-link {
    color: var(--neural-text);
    border-bottom-color: var(--neural-border);
  }

  body[data-theme="neural-dark"] .mobile-style-button,
  body[data-theme="neural-dark"] .mobile-language-button,
  body[data-theme="neural-dark"] .mobile-style-option,
  body[data-theme="neural-dark"] .mobile-language-option {
    background: rgba(0, 0, 0, 0.3);
    border-color: var(--neural-border);
    color: var(--neural-text);
  }

  body[data-theme="neural-dark"] .mobile-style-option.active,
  body[data-theme="neural-dark"] .mobile-language-option.active {
    background: var(--neural-cyan);
    border-color: var(--neural-cyan);
    color: var(--neural-bg-primary);
  }

  body[data-theme="neural-dark"] .menu-toggle {
    color: var(--neural-text);
  }
}

/* Scrollbar */
body[data-theme="neural-dark"] ::-webkit-scrollbar {
  width: 8px;
}

body[data-theme="neural-dark"] ::-webkit-scrollbar-track {
  background: var(--neural-bg-primary);
}

body[data-theme="neural-dark"] ::-webkit-scrollbar-thumb {
  background: var(--neural-border);
  border-radius: 4px;
}

body[data-theme="neural-dark"] ::-webkit-scrollbar-thumb:hover {
  background: var(--neural-cyan);
}

/* Custom logo styling */
body[data-theme="neural-dark"] .nav-brand img,
body[data-theme="neural-dark"] .nav-brand svg {
  height: 70px;
  width: auto;
}

body[data-theme="neural-dark"] .footer-logo img,
body[data-theme="neural-dark"] .footer-logo svg {
  height: 32px;
  width: auto;
}