@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;500&family=Inter:wght@300;400;500;600;700&family=Outfit:wght@300;400;500;600;700;800&display=swap');

:root {
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Outfit', var(--font-sans);
  --font-mono: 'Fira Code', monospace;

  /* Color Palette - Cybernetic Neuro-space theme */
  --bg-darker: #040812;
  --bg-dark: #070d1e;
  --bg-card: rgba(10, 20, 42, 0.45);
  --bg-card-hover: rgba(16, 32, 64, 0.6);
  --border-color: rgba(255, 255, 255, 0.05);
  --border-glow: rgba(59, 130, 246, 0.15);

  --color-primary: #3B82F6;
  --color-primary-rgb: 59, 130, 246;
  --color-secondary: #8B5CF6;
  --color-secondary-rgb: 139, 92, 246;
  --color-accent: #00F2FE;
  --color-accent-rgb: 0, 242, 254;
  --color-success: #10B981;
  --color-success-rgb: 16, 185, 129;
  --color-warning: #F59E0B;
  --color-warning-rgb: 245, 158, 11;
  --color-danger: #EF4444;
  --color-danger-rgb: 239, 68, 68;

  --text-primary: #F9FAFB;
  --text-secondary: #9CA3AF;
  --text-muted: #6B7280;

  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Base resets */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  outline: none;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-darker);
  color: var(--text-primary);
  font-family: var(--font-sans);
}

body {
  overflow-x: hidden;
  background: radial-gradient(circle at 50% 0%, #0d1a38 0%, var(--bg-darker) 70%);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-darker);
}
::-webkit-scrollbar-thumb {
  background: rgba(59, 130, 246, 0.15);
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.03);
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(59, 130, 246, 0.3);
}

/* Typography elements */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  line-height: 1.2;
}

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

button, input, textarea {
  font-family: inherit;
}

/* Custom Selection */
::selection {
  background: rgba(0, 242, 254, 0.25);
  color: var(--text-primary);
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-padding {
  padding: 8rem 0;
}

@media (max-width: 768px) {
  .section-padding {
    padding: 5rem 0;
  }
}

/* Flex & Grid Utilities */
.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.grid-cols-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
}

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

@media (max-width: 992px) {
  .grid-cols-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .grid-cols-2, .grid-cols-3 {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

/* Visual FX Utilities */
.glass {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  border-radius: 16px;
  transition: var(--transition-normal);
}

.glass:hover {
  border-color: rgba(59, 130, 246, 0.25);
  box-shadow: 0 8px 32px 0 rgba(59, 130, 246, 0.1);
  background: var(--bg-card-hover);
}

.gradient-text {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-primary) 50%, var(--color-secondary) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.glow-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.8rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.2) 0%, rgba(139, 92, 246, 0.2) 100%);
  border: 1px solid rgba(59, 130, 246, 0.4);
  color: var(--text-primary);
  cursor: pointer;
  overflow: hidden;
  transition: var(--transition-normal);
  gap: 0.5rem;
  letter-spacing: 0.03em;
}

.glow-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.15),
    transparent
  );
  transition: 0.5s;
}

.glow-btn:hover::before {
  left: 100%;
}

.glow-btn:hover {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.4) 0%, rgba(139, 92, 246, 0.4) 100%);
  border-color: var(--color-accent);
  box-shadow: 0 0 20px rgba(0, 242, 254, 0.35);
  transform: translateY(-2px);
}

.glow-btn:active {
  transform: translateY(0);
}

.glow-btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  border: none;
}

.glow-btn-primary:hover {
  background: linear-gradient(135deg, #2563EB 0%, #7C3AED 100%);
  box-shadow: 0 0 25px rgba(139, 92, 246, 0.5);
}

/* Animations */
@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
  100% { transform: translateY(0px); }
}

@keyframes pulse-glow {
  0% { box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.4); }
  70% { box-shadow: 0 0 0 10px rgba(59, 130, 246, 0); }
  100% { box-shadow: 0 0 0 0 rgba(59, 130, 246, 0); }
}

.float-element {
  animation: float 6s ease-in-out infinite;
}

/* Reveal on scroll styling */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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

/* Badge style */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.75rem;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: 50px;
  background: rgba(59, 130, 246, 0.12);
  color: var(--color-accent);
  border: 1px solid rgba(0, 242, 254, 0.2);
  margin-bottom: 1rem;
}