:root {
  --bg-primary: #0a0a0a;
  --bg-secondary: #141414;
  --accent-primary: #00ff66;
  --accent-secondary: #00ccff;
  --text-primary: #ffffff;
  --text-secondary: #a0a0a0;
  --border-color: rgba(255, 255, 255, 0.1);
  --card-bg: rgba(255, 255, 255, 0.03);
  
  --font-main: 'Outfit', system-ui, -apple-system, sans-serif;
  --font-display: 'Syncopate', sans-serif;
  
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 8rem;
  
  --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-main);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  line-height: 1.1;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 5vw, 6rem);
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 80px;
  display: flex;
  align-items: center;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
}

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

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links {
  display: flex;
  gap: var(--space-md);
}

.nav-link {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
}

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

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  padding-top: 80px;
}

.hero-title {
  font-size: clamp(3rem, 10vw, 8rem);
  margin-bottom: var(--space-sm);
  position: relative;
  z-index: 2;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.5rem);
  color: var(--text-secondary);
  max-width: 600px;
  margin-bottom: var(--space-md);
}

.hero-visual {
  position: absolute;
  top: 50%;
  right: -10%;
  transform: translateY(-50%);
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, rgba(0, 255, 102, 0.15) 0%, transparent 70%);
  filter: blur(60px);
  z-index: 1;
  pointer-events: none;
}

/* Sections */
section {
  margin-top: var(--space-xl);
  padding: var(--space-lg) 0;
}

main > :first-child {
  margin-top: 0;
}

.section-label {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--accent-primary);
  margin-bottom: var(--space-sm);
  letter-spacing: 0.3em;
}

.section-title {
  font-size: clamp(2rem, 5vw, 4rem);
  margin-bottom: var(--space-lg);
}

/* Cards & Grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-md);
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  padding: var(--space-md);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.card:hover {
  border-color: var(--accent-primary);
  transform: translateY(-10px);
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

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

.card-title {
  margin-bottom: var(--space-xs);
  font-size: 1.2rem;
}

.card-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Placeholders */
.placeholder-image {
  width: 100%;
  aspect-ratio: 16/9;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-sm);
  position: relative;
}

.placeholder-image::after {
  content: attr(data-label);
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--text-secondary);
  letter-spacing: 0.1em;
}

.placeholder-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent-secondary);
  flex-shrink: 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  padding: 1rem 2.5rem;
  font-family: var(--font-display);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  border: 1px solid var(--accent-primary);
  background: transparent;
  color: var(--accent-primary);
  cursor: pointer;
  transition: var(--transition);
}

.btn:hover {
  background: var(--accent-primary);
  color: var(--bg-primary);
  box-shadow: 0 0 30px rgba(0, 255, 102, 0.3);
}

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

.btn-primary:hover {
  background: transparent;
  color: var(--accent-primary);
}

/* Footer */
footer {
  margin-top: var(--space-xl);
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--border-color);
  background: var(--bg-secondary);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: var(--space-lg);
}

.footer-logo-area {
  flex: 1;
  min-width: 300px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  flex: 1;
  min-width: 300px;
}

.footer-bottom {
  margin-top: var(--space-lg);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  color: var(--text-secondary);
  font-size: 0.8rem;
}

/* Custom UI Elements */
.stat-item {
  border-left: 2px solid var(--accent-primary);
  padding-left: var(--space-sm);
}

.stat-value {
  display: block;
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--text-primary);
}

.stat-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--text-secondary);
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  
  .hero-visual {
    width: 100vw;
    height: 100vw;
    right: -20%;
  }
}