/* ==========================================================================
   Base — reset, canvas (vazio espacial + micro-grid + aurora), tipografia base
   ========================================================================== */

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

html {
  background: var(--color-bg);
  color-scheme: dark;
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* Geometria oculta: grid matemático quase imperceptível */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: linear-gradient(var(--color-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-grid-line) 1px, transparent 1px);
  background-size: 48px 48px;
}

/* Aurora: luz ambiente única, fixa, no canto superior direito.
   --aurora-opacity / --aurora-shift são modulados por scroll-aurora.js */
#aurora {
  position: fixed;
  top: -20%;
  right: -15%;
  width: 60vw;
  height: 60vw;
  max-width: 900px;
  max-height: 900px;
  z-index: 0;
  pointer-events: none;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, var(--color-aurora-a), var(--color-aurora-b) 55%, transparent 75%);
  opacity: var(--aurora-opacity);
  filter: blur(150px);
  transform: translateY(var(--aurora-shift));
  transition: opacity 0.4s linear;
}

/* Ponteiro de luz (laser pointer) — ver pointer-light.js */
#pointer-light {
  position: fixed;
  top: 0;
  left: 0;
  width: 200px;
  height: 200px;
  z-index: 1;
  pointer-events: none;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.35), transparent 70%);
  filter: blur(50px);
  transform: translate(-999px, -999px);
  transition: transform var(--dur-fast) linear;
  will-change: transform;
}

main,
header,
footer,
.site-wrap {
  position: relative;
  z-index: 2;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

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

::selection {
  background: var(--color-blue);
  color: #fff;
}

/* Foco visível sempre — acessibilidade não é opcional */
:focus-visible {
  outline: 2px solid var(--color-blue);
  outline-offset: 3px;
}

/* Stagger fade — estado inicial e revelado (scroll-reveal.js alterna .is-visible) */
[data-reveal] {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity var(--dur-slow) var(--ease-snap), transform var(--dur-slow) var(--ease-snap);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: scale(1);
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    animation: none !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

/* Sem cursor real em touch: desliga o laser pointer e o tilt 3D */
@media (pointer: coarse) {
  #pointer-light {
    display: none;
  }
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}