:root {
  --primary: #00f2ff;
  --primary-glow: rgba(0, 242, 255, 0.5);
  --secondary: #7000ff;
  --accent: #ff00c8;
  --bg-dark: #050508;
  --bg-card: rgba(15, 15, 25, 0.8);
  --text-main: #e0e0ff;
  --text-dim: #94a3b8;
  --border-color: rgba(0, 242, 255, 0.2);
  --grid-size: 40px;
  --font-display: 'Syncopate', sans-serif;
  --font-body: 'Rajdhani', sans-serif;
}

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

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Background Grid Effect */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(var(--border-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-color) 1px, transparent 1px);
  background-size: var(--grid-size) var(--grid-size);
  mask-image: radial-gradient(circle at center, black, transparent 80%);
  pointer-events: none;
  z-index: -1;
  opacity: 0.3;
}

/* Typography */
h1, h2, h3 {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 2px;
  line-height: 1.2;
}

/* Layout */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

header {
  height: 100px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  background: rgba(5, 5, 8, 0.8);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

/* Logo Component */
.logo-container {
  display: flex;
  align-items: center;
  gap: 1rem;
  text-decoration: none;
  color: inherit;
}

.logo-monitor {
  width: 60px;
  height: 45px;
  border: 2px solid var(--primary);
  border-radius: 4px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 15px var(--primary-glow);
}

.logo-monitor::after {
  content: "";
  position: absolute;
  bottom: -8px;
  width: 20px;
  height: 4px;
  background: var(--primary);
  left: 50%;
  transform: translateX(-50%);
}

.logo-cw {
  font-weight: 900;
  font-size: 20px;
  color: var(--primary);
  text-shadow: 0 0 10px var(--primary-glow);
}

.logo-orbit {
  position: absolute;
  width: 80px;
  height: 30px;
  border: 1px solid var(--accent);
  border-radius: 50%;
  transform: rotateX(70deg) rotateY(20deg);
  opacity: 0.5;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
}

.logo-subtitle {
  font-size: 0.7rem;
  letter-spacing: 3px;
  color: var(--primary);
}

/* Navigation Links */
nav ul {
  display: flex;
  list-style: none;
  gap: 2rem;
}

nav a {
  text-decoration: none;
  color: var(--text-dim);
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 1px;
  transition: color 0.3s ease;
}

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

/* Hero Section */
.hero {
  padding: 120px 0;
  display: flex;
  align-items: center;
  min-height: 80vh;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-content h1 {
  font-size: 4rem;
  margin-bottom: 1.5rem;
  background: linear-gradient(90deg, #fff, var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-content p {
  font-size: 1.4rem;
  color: var(--text-dim);
  margin-bottom: 2.5rem;
  max-width: 600px;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 1rem 2.5rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 700;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--primary);
  color: var(--bg-dark);
}

.btn-primary:hover {
  box-shadow: 0 0 30px var(--primary-glow);
  transform: translateY(-2px);
}

/* Courses Grid */
.courses-section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

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

.course-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 3rem 2rem;
  position: relative;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  overflow: hidden;
}

.course-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--primary);
  transform: scaleY(0);
  transition: transform 0.3s ease;
}

.course-card:hover {
  transform: translateY(-10px);
  border-color: var(--primary);
  box-shadow: 0 10px 40px rgba(0, 242, 255, 0.1);
}

.course-card:hover::before {
  transform: scaleY(1);
}

.course-icon {
  width: 60px;
  height: 60px;
  background: rgba(0, 242, 255, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2rem;
  color: var(--primary);
}

.course-card h3 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
}

.course-card p {
  color: var(--text-dim);
  margin-bottom: 2rem;
}

.badge {
  display: inline-block;
  padding: 0.4rem 1rem;
  background: var(--secondary);
  color: white;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.badge-ai {
  background: linear-gradient(45deg, var(--secondary), var(--accent));
}

/* Visual Elements */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.visual-orb {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
  position: absolute;
  filter: blur(40px);
  animation: pulse 4s infinite alternate;
}

.main-logo-display {
  position: relative;
  z-index: 1;
  width: 350px;
  height: 280px;
  border: 4px solid var(--primary);
  border-radius: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(5, 5, 8, 0.9);
  box-shadow: 0 0 50px var(--primary-glow);
}

.main-logo-display .cw-huge {
  font-family: var(--font-display);
  font-size: 120px;
  line-height: 1;
  color: #fff;
  text-shadow: 0 0 20px var(--primary-glow);
}

.ai-chip {
  position: absolute;
  bottom: -20px;
  right: -20px;
  width: 100px;
  height: 100px;
  background: var(--bg-dark);
  border: 2px solid var(--accent);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: rotate(15deg);
  box-shadow: 0 0 20px rgba(255, 0, 200, 0.3);
}

.ai-chip span {
  font-family: var(--font-display);
  font-size: 24px;
  color: var(--accent);
}

@keyframes pulse {
  0% { transform: scale(1); opacity: 0.5; }
  100% { transform: scale(1.2); opacity: 0.8; }
}

.footer {
  padding: 60px 0;
  border-top: 1px solid var(--border-color);
  text-align: center;
  color: var(--text-dim);
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-content p {
    margin-left: auto;
    margin-right: auto;
  }
  .courses-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .courses-grid {
    grid-template-columns: 1fr;
  }
  .hero-content h1 {
    font-size: 2.5rem;
  }
  nav ul {
    display: none;
  }
}