/* ═══════════════════════════════════════════════════
   base.css — Studio72H
   Variables globales, reset, tipografía base, elementos
   transversales (cursor, preloader, skip-link, noise)
═══════════════════════════════════════════════════ */

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

/* ── TOKENS (variables CSS globales) ── */
:root {
  /* Backgrounds */
  --bg: #080808;
  --bg2: #0c0c0c;
  --bg3: #111;

  /* Textos */
  --cream: #e8e4db;
  --cream2: rgba(232, 228, 219, 0.75);
  --cream3: rgba(232, 228, 219, 0.45);
  --cream4: rgba(232, 228, 219, 0.18);
  --cream5: rgba(232, 228, 219, 0.06);

  /* Acento (lime) */
  --lime: #c8f542;
  --lime2: rgba(200, 245, 66, 0.15);
  --lime3: rgba(200, 245, 66, 0.06);
  --lime-glow: rgba(200, 245, 66, 0.25);

  /* Tipografías */
  --serif: 'Instrument Serif', Georgia, serif;
  --sans: 'Space Grotesk', system-ui, sans-serif;
  --bebas: 'Bebas Neue', Impact, sans-serif;
}

/* ── HTML & BODY BASE ── */
html {
  font-size: 16px;
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  background: var(--bg);
  color: var(--cream);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  cursor: none;
}

::selection {
  background: var(--lime);
  color: var(--bg);
}

/* ── SKIP TO CONTENT (accesibilidad) ── */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--lime);
  color: var(--bg);
  font-weight: 600;
  font-size: .8rem;
  letter-spacing: .08em;
  padding: .6rem 1.2rem;
  border-radius: 4px;
  text-decoration: none;
  z-index: 99999;
  transition: top .2s;
}

.skip-link:focus {
  top: 1rem;
}

/* ── CURSOR CUSTOM ── */
.cursor {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 9999;
  pointer-events: none;
  mix-blend-mode: difference;
}

.cursor-dot {
  width: 6px;
  height: 6px;
  background: var(--lime);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 10px rgba(200, 245, 66, 0.4);
}

.cursor-ring {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 9998;
  pointer-events: none;
  width: 48px;
  height: 48px;
  border: 1.5px solid rgba(200, 245, 66, 0.4);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width .35s cubic-bezier(.25, .46, .45, .94),
              height .35s cubic-bezier(.25, .46, .45, .94),
              border-color .3s;
}

.cursor-ring.hover {
  width: 80px;
  height: 80px;
  border-color: var(--lime);
}

/* ── PRELOADER (max 1s) ── */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 1.5rem;
}

.preloader-text {
  font-family: var(--bebas);
  font-size: clamp(3rem, 8vw, 6rem);
  color: var(--lime);
  letter-spacing: 0.08em;
  opacity: 0;
}

.preloader-bar {
  width: 200px;
  height: 2px;
  background: var(--cream5);
  border-radius: 2px;
  overflow: hidden;
}

.preloader-fill {
  width: 0%;
  height: 100%;
  background: var(--lime);
  border-radius: 2px;
}

/* ── NOISE TEXTURE (overlay global) ── */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
  opacity: 0.025;
  pointer-events: none;
  z-index: 8000;
}