/* ==========================================================================
   ORBELO — Base, reset e atmosfera
   ========================================================================== */

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

* { margin: 0; padding: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scrollbar-color: var(--line-strong) transparent;
  background: var(--bg);
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: 300;
  line-height: var(--lh-text);
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
}

/* Trava de scroll (menu aberto) */
body.is-locked { overflow: hidden; }

img, svg, video { display: block; max-width: 100%; }
img { height: auto; }

a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul, ol { list-style: none; }

::selection { background: var(--accent); color: var(--on-accent); }

/* --- Foco visível (acessibilidade) --------------------------------------- */
:focus { outline: none; }
:focus-visible {
  outline: 1px solid var(--accent-text);
  outline-offset: 4px;
  border-radius: var(--radius);
}

.skip-link {
  position: fixed; top: 12px; left: 12px; z-index: 999;
  padding: 12px 18px;
  background: var(--accent); color: var(--on-accent);
  font-size: var(--fs-small); letter-spacing: .02em;
  border-radius: var(--radius);
  transform: translateY(-160%);
  transition: transform var(--d-sm) var(--e-out);
}
.skip-link:focus-visible { transform: translateY(0); }

/* --- Tipografia base ------------------------------------------------------ */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 200;
  line-height: var(--lh-snug);
  letter-spacing: var(--tr-snug);
  text-wrap: balance;
}

p { text-wrap: pretty; }

em { font-style: normal; }

/* Rótulo técnico — herdado do letterspacing do lockup da logo */
.eyebrow {
  display: inline-flex; align-items: center; gap: .7em;
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  font-weight: 400;
  letter-spacing: var(--tr-label);
  text-transform: uppercase;
  color: var(--text-3);
}

/* Glyph de dois quadrados — extraído do separador roxo da logo */
.glyph {
  display: inline-block;
  width: 5px; height: 12px;
  background:
    linear-gradient(var(--accent), var(--accent)) top / 5px 5px no-repeat,
    linear-gradient(var(--accent), var(--accent)) bottom / 5px 5px no-repeat;
  flex: none;
}
.glyph--inline { height: 10px; width: 4px; background-size: 4px 4px; vertical-align: -1px; }

/* --- Shell / grid --------------------------------------------------------- */
.shell {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

section { position: relative; }

/* --- Atmosfera: grão ------------------------------------------------------ */
.grain {
  display: var(--grain-display, block);
  position: fixed; inset: -50%;
  z-index: 1;
  pointer-events: none;
  opacity: var(--grain-op);
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='.42'/%3E%3C/svg%3E");
  mix-blend-mode: var(--grain-blend);
  will-change: transform;
  animation: grainShift 8s steps(6) infinite;
}
@keyframes grainShift {
  0%   { transform: translate(0,0); }
  16%  { transform: translate(-2%, 1%); }
  33%  { transform: translate(1%, -2%); }
  50%  { transform: translate(-1%, 2%); }
  66%  { transform: translate(2%, 1%); }
  83%  { transform: translate(-2%, -1%); }
  100% { transform: translate(0,0); }
}

/* --- Atmosfera: glow do cursor -------------------------------------------- */
.pointer-glow {
  position: fixed; top: 0; left: 0;
  width: 46vmax; height: 46vmax;
  margin: -23vmax 0 0 -23vmax;
  z-index: 0;
  pointer-events: none;
  opacity: 0;
  background: radial-gradient(circle, var(--accent-14) 0%, rgb(var(--accent-rgb) / .035) 38%, transparent 68%);
  transition: opacity 1.2s var(--e-out);
  will-change: transform;
}
body.has-pointer .pointer-glow { opacity: 1; }

/* --- Cursor customizado (apenas ponteiro fino) ---------------------------- */
.cursor { display: none; }

@media (hover: hover) and (pointer: fine) {
  .cursor {
    display: block;
    position: fixed; top: 0; left: 0;
    z-index: 900;
    pointer-events: none;
    mix-blend-mode: var(--cursor-blend);
  }
  .cursor__dot,
  .cursor__ring {
    position: absolute; top: 0; left: 0;
    border-radius: 50%;
    transform: translate(-50%, -50%);
  }
  .cursor__dot { width: 5px; height: 5px; background: var(--cursor-dot); }
  .cursor__ring {
    width: 34px; height: 34px;
    border: 1px solid var(--cursor-ring);
    transition: width var(--d-sm) var(--e-out), height var(--d-sm) var(--e-out),
                border-color var(--d-sm) var(--e-out), opacity var(--d-sm) var(--e-out);
  }
  body.cursor-hover .cursor__ring { width: 58px; height: 58px; border-color: var(--cursor-ring-strong); }
  body.cursor-hover .cursor__dot  { opacity: 0; }
  body.cursor-hidden .cursor { opacity: 0; }
}

/* --- Reveal (base) -------------------------------------------------------- */
[data-reveal] {
  opacity: 0;
  transform: translate3d(0, 22px, 0);
  filter: blur(6px);
  transition:
    opacity var(--d-lg) var(--e-out),
    transform var(--d-lg) var(--e-out),
    filter var(--d-lg) var(--e-out);
  transition-delay: var(--rd, 0ms);
}
[data-reveal].is-in {
  opacity: 1;
  transform: none;
  filter: blur(0);
}

/* Reveal por palavra (data-split) */
.word { display: inline-block; overflow: hidden; vertical-align: top; }
.word > i {
  display: inline-block;
  font-style: inherit;
  transform: translate3d(0, 105%, 0);
  transition: transform 1.05s var(--e-out);
  transition-delay: var(--wd, 0ms);
}
.is-in .word > i { transform: none; }

/* Linhas com máscara (títulos) */
.line { display: block; overflow: hidden; }
.line > span {
  display: block;
  transform: translate3d(0, 110%, 0);
  opacity: 0;
  transition: transform 1.15s var(--e-out), opacity .8s var(--e-out);
  transition-delay: var(--rd, 0ms);
  filter: none;
}
.line > span.is-in { transform: none; opacity: 1; }

/* --- Preloader ------------------------------------------------------------ */
.preloader {
  position: fixed; inset: 0; z-index: 1000;
  display: grid; place-items: center; gap: 20px;
  grid-auto-flow: row;
  background: var(--bg);
  color: var(--accent-text);
  transition: opacity .8s var(--e-out), visibility .8s;
}
.preloader__arc {
  transform-origin: 32px 32px;
  animation: spin 1.15s linear infinite;
}
.preloader__count {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: var(--tr-label);
  color: var(--text-3);
}
@keyframes spin { to { transform: rotate(360deg); } }

body:not(.is-loading) .preloader { opacity: 0; visibility: hidden; }

/* Conteúdo entra quando o preloader sai */
body.is-loading main,
body.is-loading .nav,
body.is-loading .footer { opacity: 0; }
main, .nav, .footer { transition: opacity .6s var(--e-out) .1s; }

/* --- Reduced motion ------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  [data-reveal] { opacity: 1; transform: none; filter: none; }
  .line > span { transform: none; opacity: 1; }
  .word > i { transform: none; }
  .grain { animation: none; }
  .cursor { display: none !important; }
  .pointer-glow { display: none; }
}