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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: 'Instrument Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  overflow-x: hidden;
}

/* Selection */
::selection {
  background: var(--amber);
  color: var(--black);
}

/* Typography - Sharp & Confident */
h1 {
  font-family: 'Instrument Sans', sans-serif;
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1;
}

h2 {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--amber);
}

h3 {
  font-family: 'Instrument Sans', sans-serif;
  font-size: 1.375rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

p {
  color: var(--text-secondary);
  line-height: 1.75;
}

a {
  color: var(--amber);
  text-decoration: none;
  transition: all 0.2s ease;
}

a:hover {
  color: var(--amber-light);
}

/* Utility */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

@media (max-width: 640px) {
  .container {
    padding: 0 1.25rem;
  }
}

/* Animation Keyframes */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes pulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.8; }
}

@keyframes gridMove {
  0% { transform: translateY(0); }
  100% { transform: translateY(50px); }
}

@keyframes glow {
  0%, 100% {
    box-shadow: 0 0 20px var(--amber-glow), 0 0 40px var(--amber-subtle);
  }
  50% {
    box-shadow: 0 0 30px var(--amber-glow), 0 0 60px var(--amber-subtle);
  }
}

/* Animation Classes */
.animate-fade-up {
  opacity: 0;
  animation: fadeUp 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-fade-in {
  opacity: 0;
  animation: fadeIn 0.8s ease-out forwards;
}

/* Stagger delays */
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.35s; }
.delay-4 { animation-delay: 0.5s; }
.delay-5 { animation-delay: 0.65s; }
.delay-6 { animation-delay: 0.8s; }