:root {
  --color-bg: #0a0a0f;
  --color-bg-secondary: #0f0f1a;
  --color-bg-tertiary: #151525;
  --color-primary: #00f0ff;
  --color-secondary: #8b5cf6;
  --color-accent: #ff006e;
  --color-text: #e0e0e0;
  --color-text-muted: #8888aa;
  --color-glass: rgba(255, 255, 255, 0.05);
  --color-glass-border: rgba(255, 255, 255, 0.1);
  --gradient-primary: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  --gradient-secondary: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
  --gradient-mesh: radial-gradient(at 0% 0%, rgba(0, 240, 255, 0.15) 0px, transparent 50%),
                   radial-gradient(at 100% 0%, rgba(139, 92, 246, 0.15) 0px, transparent 50%),
                   radial-gradient(at 100% 100%, rgba(255, 0, 110, 0.15) 0px, transparent 50%),
                   radial-gradient(at 0% 100%, rgba(0, 240, 255, 0.15) 0px, transparent 50%);
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Poppins', sans-serif;
  --shadow-glow: 0 0 40px rgba(0, 240, 255, 0.3);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  --container-width: 1200px;
  --header-height: 80px;
}

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

html {
  scroll-behavior: auto;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
  cursor: none;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  display: block;
}

button, input, textarea {
  font-family: inherit;
  border: none;
  outline: none;
  background: none;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  padding: 6rem 0;
  position: relative;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 1rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto 4rem;
}

.glass-card {
  background: var(--color-glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.glass-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-glow);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 1rem;
  cursor: none;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.btn:hover::before {
  opacity: 1;
}

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

.btn-primary:hover {
  box-shadow: var(--shadow-glow);
  transform: scale(1.05);
}

.btn-secondary {
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}

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

.btn span {
  position: relative;
  z-index: 1;
}

#custom-cursor {
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-primary);
  border-radius: 50%;
  position: fixed;
  pointer-events: none;
  z-index: 10000;
  transition: transform 0.1s ease, width 0.2s, height 0.2s, border-color 0.2s;
  transform: translate(-50%, -50%);
}

#cursor-dot {
  width: 6px;
  height: 6px;
  background: var(--color-primary);
  border-radius: 50%;
  position: fixed;
  pointer-events: none;
  z-index: 10001;
  transform: translate(-50%, -50%);
}

#custom-cursor.hover {
  width: 50px;
  height: 50px;
  border-color: var(--color-secondary);
}

#loading-screen {
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
}

.loader-ring {
  width: 80px;
  height: 80px;
  border: 4px solid transparent;
  border-top-color: var(--color-primary);
  border-right-color: var(--color-secondary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.loader-ring::before {
  content: '';
  position: absolute;
  inset: 8px;
  border: 4px solid transparent;
  border-top-color: var(--color-secondary);
  border-left-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.6s linear infinite reverse;
}

.loader-text {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes pulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(5deg); }
}

@keyframes glow {
  0%, 100% { box-shadow: 0 0 20px rgba(0, 240, 255, 0.2); }
  50% { box-shadow: 0 0 40px rgba(0, 240, 255, 0.4); }
}

@keyframes morph {
  0%, 100% { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; }
  50% { border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%; }
}

@keyframes gradient-shift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes glitch {
  0%, 100% { transform: translate(0); }
  20% { transform: translate(-2px, 2px); }
  40% { transform: translate(-2px, -2px); }
  60% { transform: translate(2px, 2px); }
  80% { transform: translate(2px, -2px); }
}