:root {
  --bg-primary: #000508;
  --bg-secondary: #0f1419;
  --accent-blue: #084de6;
  --accent-red: #f23000;
  --text-main: #ffffff;
  --text-dim: rgba(255, 255, 255, 0.7);
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-glow: rgba(8, 77, 230, 0.1);
}

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

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-main);
  overflow-x: hidden;
  line-height: 1.6;
  cursor: none;
  /* Hide default cursor for custom one */
}

/* Custom Cursor */
.cursor-dot {
  width: 6px;
  height: 6px;
  background-color: var(--text-main);
  position: fixed;
  pointer-events: none;
  z-index: 10000;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.3s, height 0.3s, opacity 0.3s;
}

.cursor-follower {
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  position: fixed;
  pointer-events: none;
  z-index: 9999;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: transform 0.15s ease-out, width 0.3s, height 0.3s, border 0.3s;
}

/* Interactive Grid Background */
.grid-background {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), black 0%, transparent 40%);
  transition: mask-image 0.1s;
}

/* Glassmorphism utility */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.8);
}

/* Hero Section Enhancement */
.hero-section {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: radial-gradient(circle at center, #0f172a 0%, #000508 100%);
}

.hero-bg-glow {
  position: absolute;
  width: 100vw;
  height: 100vh;
  background:
    radial-gradient(circle at 20% 30%, rgba(8, 77, 230, 0.15) 0%, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(242, 48, 0, 0.1) 0%, transparent 40%);
  filter: blur(100px);
  pointer-events: none;
}

.hero-title {
  font-size: clamp(3rem, 10vw, 7rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 0.9;
  background: linear-gradient(to bottom, #fff 40%, rgba(255, 255, 255, 0.5));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 24px;
}

/* 3D Card Adjustments */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
  max-width: 1400px;
  margin: 0 auto;
  padding: 80px 40px;
}

.feature-card {
  position: relative;
  padding: 48px;
  border-radius: 24px;
  transition: border-color 0.4s ease, transform 0.1s ease;
  transform-style: preserve-3d;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
      rgba(8, 77, 230, 0.15),
      transparent 100%);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  font-size: 32px;
  margin-bottom: 24px;
  transform: translateZ(40px);
}

.feature-title {
  font-size: 24px;
  margin-bottom: 12px;
  transform: translateZ(30px);
}

.feature-description {
  color: var(--text-dim);
  transform: translateZ(20px);
}

/* Animations */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Navigation */
.navigation {
  padding: 24px 64px;
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.3s ease, padding 0.3s ease;
}

.navigation.scrolled {
  background: rgba(0, 5, 8, 0.8);
  backdrop-filter: blur(12px);
  padding: 16px 64px;
  border-bottom: 1px solid var(--glass-border);
}

.cta-button {
  background: var(--text-main);
  color: var(--bg-primary);
  padding: 14px 28px;
  border-radius: 99px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(255, 255, 255, 0.1);
}

/* Technical Specs */
.specs-section {
  padding: 100px 40px;
  border-top: 1px solid var(--glass-border);
  background: rgba(0, 0, 0, 0.5);
}

.specs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.spec-item {
  padding: 20px;
}

.spec-value {
  font-family: 'Fragment Mono', monospace;
  font-size: 48px;
  font-weight: 800;
  margin-bottom: 8px;
  color: var(--accent-blue);
}

.spec-label {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
}

/* Mobile Menu Styles */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.mobile-menu.active {
  opacity: 1;
  pointer-events: all;
}

.mobile-menu a {
  font-size: 32px;
  color: var(--text-main);
  text-decoration: none;
  font-weight: 700;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 24px;
  cursor: pointer;
  z-index: 2001;
}

@media (max-width: 768px) {
  .hidden-mobile {
    display: none;
  }

  .menu-toggle {
    display: block;
  }
}