/* ========================================
   BASE — Global Styles
   ======================================== */

html {
  background: var(--bg);
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 300;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
  cursor: none;
}

/* Noise Grain Overlay */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 10000;
  pointer-events: none;
  opacity: var(--noise-opacity);
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 200px 200px;
}

/* Selection */
::selection {
  background: var(--blue);
  color: var(--white);
}

::-moz-selection {
  background: var(--blue);
  color: var(--white);
}

/* Focus */
:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--black);
}
::-webkit-scrollbar-thumb {
  background: var(--gray-700);
  border-radius: 0;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--gray-600);
}

/* Typography Base */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
}

p {
  line-height: var(--leading-normal);
  color: var(--text-dim);
}

/* Links */
a {
  transition: color var(--duration-fast) ease;
}
a:hover {
  color: var(--accent);
}

/* Monospace Labels */
.label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--text-muted);
}

.label--accent {
  color: var(--accent);
}

/* Custom Cursor */
.cursor {
  position: fixed;
  top: 0;
  left: 0;
  width: 16px;
  height: 16px;
  border: 1.5px solid var(--white);
  border-radius: 50%;
  pointer-events: none;
  z-index: 99999;
  transform: translate(-50%, -50%);
  transition: width var(--duration-normal) var(--ease-out-expo),
              height var(--duration-normal) var(--ease-out-expo),
              background var(--duration-normal) var(--ease-out-expo),
              border-color var(--duration-normal) var(--ease-out-expo);
  mix-blend-mode: difference;
  will-change: transform;
}

.cursor.is-active {
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--blue-bright);
}

.cursor.is-hidden {
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.5);
}

/* Hide custom cursor on touch */
@media (hover: none), (pointer: coarse) {
  .cursor { display: none !important; }
  body { cursor: auto; }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* GSAP visibility helper */
.gs-reveal {
  visibility: hidden;
}