/* =========================================================
   BASE — reset, tipografia, botões e utilitários
   ========================================================= */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; background: var(--bg); overflow-x: clip; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-weight: var(--w-regular);
  font-size: var(--fs-body);
  line-height: 1.65;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
p { margin: 0; }
h1, h2, h3 {
  margin: 0;
  font-weight: var(--w-bold);
  line-height: 1.02;
  letter-spacing: var(--track-heading);
  text-wrap: balance;
}
::selection { background: var(--accent); color: var(--on-accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 3px; }

/* ---- Layout utilitário ---- */
.wrap {
  max-width: var(--wrap);
  margin-inline: auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter-r);
}
.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--col-gap);
}
.sr-only {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}
section[id] { scroll-margin-top: calc(var(--header-h) + 8px); }

/* Alternância de fundo entre seções */
.tone-surface { background: var(--surface); }

/* ---- Tipos de texto ---- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  color: var(--text-muted);
  font-size: var(--fs-label);
  font-weight: var(--w-semibold);
  letter-spacing: var(--track-label);
  text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.label {
  font-size: var(--fs-label);
  font-weight: var(--w-semibold);
  letter-spacing: var(--track-label);
  text-transform: uppercase;
}
.meta {
  font-size: .8rem;
  font-weight: var(--w-medium);
  letter-spacing: .02em;
  font-variant-numeric: tabular-nums;
  color: var(--text-muted);
}
.h2 { font-size: var(--fs-h2); font-weight: var(--w-extrabold); letter-spacing: var(--track-display); }
.h3 { font-size: var(--fs-h3); }
.lead { font-size: var(--fs-lead); line-height: 1.5; font-weight: var(--w-medium); }
.muted { color: var(--text-muted); }
.accent { color: var(--accent); }

/* ---- Botões ----
   Hover: o fundo "enche" de baixo pra cima e o texto rola.
   O texto duplicado é criado pelo ui.js (data-text).
   Variantes:  .btn (claro) · .btn--accent (verde-lima, CTAs principais) · .btn--ghost (contorno) */
.btn {
  --btn-bg: var(--text);
  --btn-fg: var(--bg);
  --btn-border: var(--text);
  --btn-fill: var(--accent);
  --btn-fill-fg: var(--on-accent);
  position: relative; isolation: isolate; overflow: hidden;
  display: inline-flex; align-items: center; gap: .7em;
  min-height: 54px; padding: .9em 1.45em;
  border: 1.5px solid var(--btn-border); border-radius: 999px;
  background: var(--btn-bg); color: var(--btn-fg);
  font: var(--w-bold) .95rem/1 var(--font);
  text-decoration: none; cursor: pointer;
  transition: color var(--dur-base) var(--ease-out), border-color var(--dur-base), transform var(--dur-fast) var(--ease-out);
  -webkit-tap-highlight-color: transparent;
}
.btn::before {
  content: ""; position: absolute; inset: -1px; z-index: -1;
  background: var(--btn-fill);
  border-radius: inherit;
  transform: translateY(102%);
  transition: transform var(--dur-base) var(--ease-out);
}
.btn:hover::before, .btn:focus-visible::before { transform: translateY(0); }
.btn:hover, .btn:focus-visible { color: var(--btn-fill-fg); border-color: var(--btn-fill); }
.btn:active { transform: scale(.97); }
.btn svg { width: 1.15em; height: 1.15em; flex: none; }
.btn .arrow { transition: transform var(--dur-base) var(--ease-out); }
.btn:hover .arrow { transform: translateX(4px); }

.btn-label { position: relative; display: inline-block; overflow: hidden; line-height: 1.2; }
.btn-label > span { display: block; transition: transform var(--dur-base) var(--ease-out); }
.btn-label[data-text]::after {
  content: attr(data-text);
  position: absolute; left: 0; top: 100%;
  transition: transform var(--dur-base) var(--ease-out);
}
.btn:hover .btn-label > span,
.btn:hover .btn-label::after { transform: translateY(-100%); }

.btn--accent { --btn-bg: var(--accent); --btn-fg: var(--on-accent); --btn-border: var(--accent); --btn-fill: var(--text); --btn-fill-fg: var(--bg); }
.btn--ghost { --btn-bg: transparent; --btn-fg: var(--text); --btn-border: var(--border); --btn-fill: var(--text); --btn-fill-fg: var(--bg); }
.btn--sm { min-height: 46px; padding: .7em 1.15em; font-size: .88rem; }
.btn--lg { min-height: 62px; padding: 1em 1.7em; font-size: 1.02rem; }

/* Link com sublinhado animado */
.link {
  text-decoration: none;
  background: linear-gradient(var(--accent), var(--accent)) 0 100% / 0 1.5px no-repeat;
  transition: background-size var(--dur-base) var(--ease-out), color var(--dur-fast);
}
.link:hover, .link:focus-visible { background-size: 100% 1.5px; color: var(--text); }

/* ---- Revelações (ativadas só quando o <html> tem .motion) ---- */
.motion [data-reveal] {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity var(--dur-reveal) var(--ease-out), transform var(--dur-reveal) var(--ease-out);
  transition-delay: calc(var(--d, 0) * 90ms);
}
.motion [data-reveal].is-in { opacity: 1; transform: none; }

/* Revelação de imagem por máscara */
.motion [data-reveal="mask"] {
  opacity: 1; transform: none;
  clip-path: inset(18% 0 0 0 round var(--radius-lg));
  transition: clip-path 1.3s var(--ease-out);
}
.motion [data-reveal="mask"].is-in { clip-path: inset(0 0 0 0 round var(--radius-lg)); }
.motion [data-reveal="mask"] img { transform: scale(1.12); transition: transform 1.8s var(--ease-out); }
.motion [data-reveal="mask"].is-in img { transform: scale(1); }

/* Títulos divididos em palavras (motion.js) — cada palavra sobe de dentro de uma máscara */
.split-word { display: inline-block; overflow: hidden; vertical-align: top; padding-bottom: .1em; margin-bottom: -.1em; }
.split-word > span { display: inline-block; }
.motion [data-split] .split-word > span {
  transform: translateY(110%);
  transition: transform var(--dur-reveal) var(--ease-out);
  transition-delay: calc(var(--i) * var(--stagger) + var(--split-delay, 0ms));
}
.motion [data-split].is-in .split-word > span { transform: none; }

/* ---- Rolagem suave (Lenis) ---- */
html.lenis, html.lenis body { height: auto; }
html.lenis { scroll-behavior: auto !important; } /* a Lenis assume a suavização */
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-smooth [data-lenis-prevent] { overscroll-behavior: contain; }
.lenis.lenis-stopped { overflow: hidden; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; transition-delay: 0s !important; }
}