/* ==========================================================================
   base.css
   Tokens de design, reset, tipografia, estrutura de seções e utilitários.
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
  /* Paleta da marca */
  --black: #000000;
  --white: #ffffff;
  --purple: #5000EE;
  --gray: #828282;

  /* Derivados (legibilidade em textos pequenos) */
  --purple-soft: #a58bff;
  --ink-soft: #4a4a4a;
  --line: #242424;

  /* Tipografia */
  --font-display: 'Oxanium', 'Arial Narrow', sans-serif;
  --font-body: 'Barlow', system-ui, -apple-system, 'Segoe UI', sans-serif;

  /* Espaçamento e cortes diagonais */
  --cut: clamp(28px, 5.5vw, 84px);
  --pad-y: clamp(64px, 9vw, 120px);

  --wrap: 1240px;

  color-scheme: dark;
}
@media (min-width: 1024px) { :root { --wrap: 1320px; } }

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

html { scroll-behavior: smooth; font-size: 100%; }

/* Desktop: escala geral um pouco maior para leitura confortável no monitor.
   Tudo em rem acompanha. No mobile (< 1024px) nada muda. */
@media (min-width: 1024px) { html { font-size: 112.5%; } }
@media (min-width: 1700px) { html { font-size: 118.75%; } }

body {
  margin: 0;
  background: var(--black);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4, p, ul { margin: 0; }
ul { padding: 0; list-style: none; }
a { color: inherit; }
img { max-width: 100%; }

:focus-visible { outline: 3px solid var(--purple-soft); outline-offset: 3px; }
.on-white :focus-visible { outline-color: var(--purple); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

/* ---------- Estrutura ---------- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.wrap {
  position: relative;
  width: 100%;
  max-width: var(--wrap, 1240px);
  margin-inline: auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}

.sec { position: relative; overflow: hidden; }

/* Seções com recorte diagonal no topo */
.cut-l,
.cut-r {
  margin-top: calc(var(--cut) * -1);
  padding-top: calc(var(--cut) + var(--pad-y));
  padding-bottom: var(--pad-y);
}
.cut-l { clip-path: polygon(0 var(--cut), 100% 0, 100% 100%, 0 100%); }
.cut-r { clip-path: polygon(0 0, 100% var(--cut), 100% 100%, 0 100%); }

/* Fundos de seção */
.on-white  { background: var(--white);  color: var(--black); }
.on-purple { background: var(--purple); color: var(--white); }
.on-black  { background: var(--black);  color: var(--white); }

/* ---------- Tipografia de seção ---------- */
.ghost {
  position: absolute;
  top: calc(var(--cut) + 12px);
  left: -.04em;
  font: 800 clamp(4.2rem, 15vw, 14rem) / 1 var(--font-display);
  letter-spacing: -.02em;
  text-transform: uppercase;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, .1);
  pointer-events: none;
  user-select: none;
  white-space: nowrap;
}
.on-white .ghost  { -webkit-text-stroke-color: rgba(0, 0, 0, .09); }
.on-purple .ghost { -webkit-text-stroke-color: rgba(255, 255, 255, .22); }

.eyebrow {
  display: flex;
  align-items: center;
  gap: .8rem;
  font: 600 .8rem / 1 var(--font-display);
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--purple-soft);
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 3px;
  background: currentColor;
  transform: skewX(-30deg);
}
.on-white .eyebrow  { color: var(--purple); }
.on-purple .eyebrow { color: var(--white); }

.h2 {
  max-width: 18ch;
  margin-top: 1rem;
  font: 800 clamp(1.7rem, 5vw, 3.6rem) / 1.02 var(--font-display);
  letter-spacing: -.005em;
  text-transform: uppercase;
  text-wrap: balance;
  overflow-wrap: break-word;
}

.sec-head { position: relative; margin-bottom: clamp(36px, 5vw, 64px); }

.lead {
  max-width: 56ch;
  margin-top: 1.1rem;
  color: var(--gray);
  font-size: 1.1rem;
}
.on-white .lead  { color: var(--ink-soft); }
.on-purple .lead { color: rgba(255, 255, 255, .85); }

/* ---------- Efeito Matrix (canvas criado por js/matrix-rain.js) ---------- */
[data-matrix] > .matrix {
  position: absolute;
  left: 0;
  top: 0;
  z-index: 0;
  pointer-events: none;
}
[data-matrix] > .wrap,
[data-matrix] > .carousel,
[data-matrix] > .scroll-cue,
[data-matrix] > .hero__art { z-index: 1; }