:root {
  /* Color Palette - Cyber Brutalist / High Contrast */
  --bg-primary: #0a0a0c;
  --bg-secondary: #141418;
  --accent-primary: #ff3e00; /* Neon Orange */
  --accent-secondary: #00f0ff; /* Cyber Blue */
  --text-primary: #ffffff;
  --text-secondary: #a0a0a8;
  --border-color: #2a2a30;
  --card-bg: rgba(20, 20, 24, 0.8);
  
  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 48px;
  --space-2xl: 80px;

  /* Typography */
  --font-main: 'JetBrains Mono', monospace, system-ui;
  --font-display: 'Inter', sans-serif;
}

* {
  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: 1.5;
  overflow-x: hidden;
  min-height: 100vh;
}

/* --- Animated Background Elements --- */
.bg-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
  background: radial-gradient(circle at 50% 50%, #1a1a20 0%, #0a0a0c 100%);
}

.bg-grid {
  position: absolute;
  width: 200%;
  height: 200%;
  top: -50%;
  left: -50%;
  background-image: 
    linear-gradient(to right, var(--border-color) 1px, transparent 1px),
    linear-gradient(to bottom, var(--border-color) 1px, transparent 1px);
  background-size: 50px 50px;
  transform: perspective(500px) rotateX(60deg);
  animation: grid-move 20s linear infinite;
  opacity: 0.2;
}

@keyframes grid-move {
  0% { transform: perspective(500px) rotateX(60deg) translateY(0); }
  100% { transform: perspective(500px) rotateX(60deg) translateY(50px); }
}

.bg-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 62, 0, 0.15) 0%, transparent 70%);
  top: 10%;
  right: -100px;
  border-radius: 50%;
  filter: blur(80px);
  animation: float 15s ease-in-out infinite alternate;
}

.bg-glow-2 {
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0, 240, 255, 0.1) 0%, transparent 70%);
  bottom: 10%;
  left: -100px;
  border-radius: 50%;
  filter: blur(60px);
  animation: float 12s ease-in-out infinite alternate-reverse;
}

@keyframes float {
  0% { transform: translate(0, 0); }
  100% { transform: translate(40px, 60px); }
}

/* --- Layout Components --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(1rem, 5vw, 4rem);
}

header {
  height: 80px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  background: rgba(10, 10, 12, 0.8);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -1px;
  color: var(--text-primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.logo-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-primary);
  border-radius: 50%;
}

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

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.3s ease;
}

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

/* --- Hero Section --- */
.hero {
  padding: var(--space-2xl) 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero-tag {
  display: inline-block;
  padding: 4px 12px;
  border: 1px solid var(--accent-primary);
  color: var(--accent-primary);
  font-size: 0.75rem;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
  letter-spacing: 2px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 900;
  line-height: 1;
  margin-bottom: var(--space-lg);
  background: linear-gradient(180deg, #fff 0%, #666 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  max-width: 600px;
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: var(--space-xl);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  padding: 14px 28px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  font-family: var(--font-main);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

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

.btn-primary:hover {
  box-shadow: 0 0 20px rgba(255, 62, 0, 0.4);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

.btn-outline:hover {
  border-color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

/* --- Grid Section --- */
section {
  margin-top: var(--space-2xl);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  padding: var(--space-lg);
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s ease;
}

.card:hover {
  border-color: var(--accent-secondary);
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background: var(--accent-secondary);
  transition: height 0.3s ease;
}

.card:hover::before {
  height: 100%;
}

.card-icon {
  width: 40px;
  height: 40px;
  background: rgba(0, 240, 255, 0.1);
  color: var(--accent-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
}

.card-title {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

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

/* --- Footer --- */
footer {
  margin-top: var(--space-2xl);
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--border-color);
  background: var(--bg-secondary);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.copyright {
  color: var(--text-secondary);
  font-size: 0.8rem;
}

/* --- Utility --- */
.placeholder-image {
  width: 100%;
  aspect-ratio: 16/9;
  background: #1a1a20;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  border: 1px dashed var(--border-color);
}