@import url('./variables.css');
@import url('./animations.css');

/* Reset & Base */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-main);
  background: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
  transition: background-color var(--transition-smooth), color var(--transition-smooth);
}

/* Noise Texture Overlay */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: var(--noise-opacity);
  z-index: var(--z-fixed);
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  animation: noise 8s steps(10) infinite;
}

@keyframes noise {
  0%, 100% { transform: translate(0, 0); }
  10% { transform: translate(-5%, -5%); }
  20% { transform: translate(-10%, 5%); }
  30% { transform: translate(5%, -10%); }
  40% { transform: translate(-5%, 15%); }
  50% { transform: translate(-10%, 5%); }
  60% { transform: translate(15%, 0); }
  70% { transform: translate(0, 10%); }
  80% { transform: translate(-15%, 0); }
  90% { transform: translate(10%, 5%); }
}

/* Vignette Effect */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: var(--z-base);
  background: radial-gradient(
    ellipse at center,
    transparent 0%,
    rgba(0, 0, 0, var(--vignette-strength)) 100%
  );
}

/* Typography Enhancements */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: var(--font-weight-extrabold);
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--text-color);
  margin-bottom: var(--spacing-lg);
}

h1 {
  font-weight: var(--font-weight-black);
  letter-spacing: -0.04em;
}

p {
  font-weight: var(--font-weight-normal);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
}

/* Enhanced Focus Indicators */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--accent-color);
  outline-offset: 4px;
  border-radius: var(--radius-sm);
}

/* Links */
a {
  color: inherit;
  text-decoration: none;
  cursor: none;
  transition: opacity var(--transition-fast);
}

a:hover {
  opacity: 0.8;
}

/* Lists */
ul, ol {
  list-style: none;
}

/* Buttons */
button {
  font-family: inherit;
  cursor: none;
  border: none;
  background: none;
  color: inherit;
}

/* Images */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Selection */
::selection {
  background: var(--accent-color);
  color: var(--bg-color);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--surface-color);
}

::-webkit-scrollbar-thumb {
  background: var(--surface-hover);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

/* Skip to Content Link (Accessibility) */
.skip-to-content {
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-color);
  color: var(--bg-color);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-bold);
  z-index: var(--z-modal);
  transition: top var(--transition-fast);
}

.skip-to-content:focus {
  top: var(--spacing-md);
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  body::before {
    animation: none;
  }
}