/* VARIABLES & THEMING */
:root {
  --bg-color: #03050b;
  --text-primary: #e2f1f8;
  --text-secondary: #82a8cc;
  --accent-cyan: #00eaff;
  --accent-blue: #0077ff;
  --accent-purple: #8b5cf6;
  
  --glass-bg: rgba(10, 20, 35, 0.6);
  --glass-border: rgba(0, 234, 255, 0.15);
  --glass-highlight: rgba(255, 255, 255, 0.05);
  
  --font-sans: 'Inter', system-ui, sans-serif;
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, monospace;
}

/* RESET & BASE */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* TYPOGRAPHY */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
}

.text-gradient {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-glow {
  text-shadow: 0 0 15px rgba(0, 234, 255, 0.5), 0 0 30px rgba(0, 119, 255, 0.3);
}

.text-mono {
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

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

.section-padding {
  padding: 6rem 0;
}

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

.layout-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  cursor: pointer;
  border: none;
  font-family: var(--font-sans);
}

.btn.lg {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  color: #000;
  box-shadow: 0 4px 15px rgba(0, 234, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 234, 255, 0.5);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
  border-color: var(--accent-cyan);
}

.btn-block {
  width: 100%;
}

/* GLASSMORPHISM CARDS */
.glass-effect, .glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

.glass-card {
  border-radius: 16px;
  padding: 2rem;
  position: relative;
  overflow: hidden;
  transition: transform 0.4s ease, border-color 0.4s ease;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--glass-highlight), transparent);
}

.hover-glow:hover {
  transform: translateY(-5px);
  border-color: rgba(0, 234, 255, 0.5);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.4), 0 0 20px rgba(0, 234, 255, 0.2);
}

/* BACKGROUND CANVAS */
#network-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: -1;
  pointer-events: none;
}

/* NAVIGATION */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: padding 0.3s ease, background 0.3s ease;
  padding: 1rem 0;
}

.navbar.scrolled {
  padding: 0.5rem 0;
  background: rgba(3, 5, 11, 0.9);
  border-bottom: 1px solid var(--glass-border);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.logo-img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.glow-img {
  filter: drop-shadow(0 0 8px var(--accent-cyan));
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s, text-shadow 0.3s;
}

.nav-links a:hover {
  color: var(--accent-cyan);
  text-shadow: 0 0 8px rgba(0, 234, 255, 0.5);
}

.lang-btn {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid rgba(255,255,255,0.2);
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s;
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.lang-btn:hover {
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
}

.mobile-menu-btn span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: 0.3s;
}

/* HERO SECTION */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: 5rem;
  position: relative;
}

.hero-content {
  max-width: 800px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  z-index: 2;
}

.hero .badge {
  background: rgba(0, 234, 255, 0.1);
  border: 1px solid var(--accent-cyan);
  color: var(--accent-cyan);
  padding: 0.4rem 1rem;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.hero h1 {
  font-size: 4rem;
  letter-spacing: -1px;
}

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

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

/* SCROLL INDICATOR */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  animation: bounce 2s infinite;
}

.mouse {
  width: 24px;
  height: 36px;
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 4px;
}

.wheel {
  width: 4px;
  height: 8px;
  background: var(--accent-cyan);
  border-radius: 2px;
  animation: scroll 1.5s infinite;
}

/* ABOUT SECTION */
.about .section-title {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

.about p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.feature-list {
  list-style: none;
  margin-top: 2rem;
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.feature-list .icon {
  color: var(--accent-cyan);
  font-weight: bold;
}

.visual-card {
  padding: 0;
  height: 350px;
  display: flex;
  flex-direction: column;
}

.terminal-header {
  background: rgba(0,0,0,0.5);
  padding: 0.75rem 1rem;
  display: flex;
  gap: 0.5rem;
  border-bottom: 1px solid var(--glass-border);
}

.dot {
  width: 12px; height: 12px; border-radius: 50%;
}
.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }

.terminal-body {
  padding: 1.5rem;
  flex: 1;
  overflow-y: auto;
  color: var(--accent-cyan);
}

/* SERVICES SECTION */
.services .section-title {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.services .section-subtitle {
  color: var(--text-secondary);
  margin-bottom: 4rem;
  font-size: 1.1rem;
}

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

.service-card {
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.service-icon {
  width: 60px; height: 60px;
  background: rgba(0, 234, 255, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(0,234,255,0.2);
  margin-bottom: 0.5rem;
}

.icon-inner {
  width: 30px; height: 30px;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}

/* Base64 Icons (Simple placeholders) */
.ai-icon { background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" fill="none" stroke="%2300eaff" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19.428 15.428a2 2 0 00-1.022-.547l-2.387-.477a6 6 0 00-3.86.517l-.318.158a6 6 0 01-3.86.517L6.05 15.21a2 2 0 00-1.806.547M8 4h8l-1 1v5.172a2 2 0 00.586 1.414l5 5c1.26 1.26.367 3.414-1.415 3.414H4.828c-1.782 0-2.674-2.154-1.414-3.414l5-5A2 2 0 009 10.172V5L8 4z"></path></svg>'); }
.data-icon { background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" fill="none" stroke="%2300eaff" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 7v10c0 2.21 3.582 4 8 4s8-1.79 8-4V7M4 7c0 2.21 3.582 4 8 4s8-1.79 8-4M4 7c0-2.21 3.582-4 8-4s8 1.79 8 4m0 5c0 2.21-3.582 4-8 4s-8-1.79-8-4"></path></svg>'); }
.bi-icon { background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" fill="none" stroke="%2300eaff" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 19v-6a2 2 0 00-2-2H5a2 2 0 00-2 2v6a2 2 0 002 2h2a2 2 0 002-2zm0 0V9a2 2 0 012-2h2a2 2 0 012 2v10m-6 0a2 2 0 002 2h2a2 2 0 002-2m0 0V5a2 2 0 012-2h2a2 2 0 012 2v14a2 2 0 01-2 2h-2a2 2 0 01-2-2z"></path></svg>'); }

.service-card h3 {
  font-size: 1.5rem;
}

.service-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  flex: 1;
}

.service-link {
  color: var(--accent-cyan);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  transition: opacity 0.3s;
  display: inline-block;
}

.service-link:hover {
  opacity: 0.8;
}

/* CONTACT SECTION */
.contact-info .section-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.contact-info p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  font-size: 1.1rem;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.method {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.method-icon {
  font-size: 1.5rem;
  width: 50px; height: 50px;
  background: rgba(255,255,255,0.05);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--glass-border);
}

.method strong {
  display: block;
  font-family: var(--font-display);
}

.method a, .method span {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.3s;
}

.method a:hover {
  color: var(--accent-cyan);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.glass-input {
  background: rgba(0,0,0,0.3);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  color: var(--text-primary);
  font-family: var(--font-sans);
  transition: all 0.3s;
}

.glass-input:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 10px rgba(0, 234, 255, 0.2);
}

/* FOOTER */
.footer {
  border-top: 1px solid var(--glass-border);
  padding: 3rem 0;
  background: rgba(0,0,0,0.5);
  margin-top: 4rem;
}

.footer-content {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.footer-brand {
  text-align: left;
}

.footer-brand p {
  color: var(--text-secondary);
  margin-top: 0.5rem;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.05);
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.status-dot {
  width: 8px; height: 8px;
  background: #27c93f;
  border-radius: 50%;
  box-shadow: 0 0 8px #27c93f;
  animation: pulse 2s infinite;
}

/* ANIMATIONS */
@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0) translateX(-50%); }
  40% { transform: translateY(-10px) translateX(-50%); }
  60% { transform: translateY(-5px) translateX(-50%); }
}

@keyframes scroll {
  0% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(15px); opacity: 0; }
}

@keyframes pulse {
  0% { opacity: 0.6; }
  50% { opacity: 1; }
  100% { opacity: 0.6; }
}

/* Reveal Animations */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.reveal.right {
  transform: translateX(30px);
}
.reveal.right.active {
  transform: translateX(0);
}

.fade-in-up {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.8s forwards;
}

.delay-1 { animation-delay: 0.2s; transition-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; transition-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; transition-delay: 0.6s; }

@keyframes fadeInUp {
  to { opacity: 1; transform: translateY(0); }
}

/* RESPONSIVE */
@media (max-width: 992px) {
  .layout-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .hero h1 { font-size: 3rem; }
  .services-grid { grid-template-columns: 1fr; }
  
  .nav-links {
    position: fixed;
    top: 70px; left: 0; right: 0;
    background: rgba(10,20,35,0.95);
    backdrop-filter: blur(10px);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    border-bottom: 1px solid var(--glass-border);
  }
  
  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .mobile-menu-btn { display: flex; }
  
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}