/* Site institucional. Paleta escura com violeta, fonte Space Grotesk (licenca OFL) hospedada aqui,
   entrada com subida suave e uma orbita no hero. Nenhum pedido a terceiros.
   Movimento: so opacity e transform; a orbita e ambiente, lenta e desligada com prefers-reduced-motion. */
@font-face {
  font-family: "Space Grotesk";
  src: url("space-grotesk.woff2") format("woff2");
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --vp-narrow: 375px;
  --vp-medium: 768px;
  --vp-wide: 1280px;

  --ink: #0a0a0a;
  --ink-2: #111111;
  --ink-line: #262626;
  --on-ink: #f2f2f2;
  --on-ink-muted: #a3a3a3;
  --violet: #8e39ef;
  --violet-glow: #a964f7;

  --paper: #ffffff;
  --canvas: #f7f6fb;
  --text: #0a0a0a;
  --muted: #55526a;
  --line: #e7e5ee;
  --accent: #6d28d9;
  --focus: #3b82f6;

  --s1: 8px;
  --s2: 16px;
  --s3: 24px;
  --s4: 32px;
  --s5: 48px;
  --s6: 64px;
  --s7: 96px;
  --s8: 128px;

  --motion-150: 150ms;
  --motion-300: 300ms;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font: 400 1.0625rem/1.65 "Space Grotesk", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3 { margin: 0; line-height: 1.08; letter-spacing: -0.035em; font-weight: 600; text-wrap: balance; }
h1 { font-size: clamp(2.5rem, 6.2vw, 4.5rem); letter-spacing: -0.045em; }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: 1.3125rem; letter-spacing: -0.02em; line-height: 1.25; }
p { margin: 0; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: 4px; }

.wrap { width: 100%; max-width: var(--vp-wide); margin-inline: auto; padding-inline: var(--s3); }
@media (min-width: 1280px) { .wrap { padding-inline: var(--s5); } }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: var(--s2); top: -64px; background: #fff; color: var(--ink); padding: var(--s1) var(--s2); border-radius: 8px; z-index: 20; min-height: 44px; display: inline-flex; align-items: center; }
.skip:focus { top: var(--s1); }

/* Cabecalho */
.site-header { background: var(--ink); color: var(--on-ink); position: sticky; top: 0; z-index: 10; border-bottom: 1px solid var(--ink-line); }
.bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; min-height: 72px; gap: var(--s1) var(--s3); }
.brand { display: inline-flex; align-items: center; gap: 12px; min-height: 44px; font-weight: 600; font-size: 1.1875rem; letter-spacing: -0.02em; color: #fff; text-decoration: none; }
.brand img { width: 32px; height: 32px; }
.nav-toggle { display: none; min-width: 44px; min-height: 44px; align-items: center; justify-content: center; background: transparent; color: #fff; border: 1px solid var(--ink-line); border-radius: 10px; cursor: pointer; }
.nav-toggle .icon-close { display: none; }
.nav-toggle[aria-expanded="true"] .icon-open { display: none; }
.nav-toggle[aria-expanded="true"] .icon-close { display: block; }
#site-nav { width: 100%; order: 3; display: none; }
#site-nav ul { list-style: none; margin: 0; padding: 0 0 var(--s2); display: flex; flex-direction: column; gap: 4px; }
#site-nav[data-open="true"] { display: block; }
html:not(.js) #site-nav { display: block; }
html:not(.js) .nav-toggle { display: none; }
.nav-link { color: var(--on-ink-muted); text-decoration: none; padding: 0 var(--s2); min-height: 44px; display: flex; align-items: center; border-radius: 8px; font-size: 0.9375rem; font-weight: 500; transition: color var(--motion-150) var(--ease-out); }
.nav-link:hover { color: #fff; }
.nav-link.cta { color: #fff; background: var(--violet); font-weight: 600; justify-content: center; }
.nav-link.cta:hover { color: #fff; opacity: 0.92; }
@media (max-width: 767.98px) { .nav-toggle { display: inline-flex; } }
@media (min-width: 768px) {
  #site-nav, #site-nav[data-open] { display: block; width: auto; order: 0; }
  #site-nav ul { flex-direction: row; align-items: center; padding: 0; gap: 4px; }
  .nav-link.cta { margin-left: var(--s2); padding: 0 var(--s3); }
}

/* Botoes */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: var(--s1); min-height: 52px; padding: 0 var(--s4); border-radius: 12px; font-weight: 600; font-size: 1rem; text-decoration: none; border: 1px solid transparent; transition: opacity var(--motion-150) var(--ease-out), border-color var(--motion-150) var(--ease-out); }
.btn:hover { opacity: 0.92; }
.btn-primary { background: var(--violet); color: #fff; }
.btn-ghost { color: #fff; border-color: var(--ink-line); }
.btn-ghost:hover { opacity: 1; border-color: #525252; }
.btn svg { width: 20px; height: 20px; stroke: currentColor; fill: none; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }

/* Hero */
.hero { background: var(--ink); color: var(--on-ink); padding-block: var(--s7) var(--s8); overflow: hidden; }
@media (max-width: 767.98px) { .hero { padding-block: var(--s6) var(--s7); } }
.hero-grid { display: grid; gap: var(--s6); grid-template-columns: 1fr; }
@media (min-width: 1024px) { .hero-grid { grid-template-columns: 1.1fr 0.9fr; align-items: center; gap: var(--s7); } }
.eyebrow { color: var(--violet-glow); font-weight: 600; font-size: 0.8125rem; letter-spacing: 0.14em; text-transform: uppercase; }
.hero h1 { margin-top: var(--s3); max-width: 16ch; }
.hero .lead { margin-top: var(--s4); color: var(--on-ink-muted); font-size: 1.25rem; line-height: 1.55; max-width: 52ch; }
.actions { margin-top: var(--s5); display: flex; flex-wrap: wrap; gap: var(--s2); }

/* Orbita (decorativa, aria-hidden) */
.orbit { position: relative; width: min(100%, 440px); aspect-ratio: 1; margin-inline: auto; }
.orbit::before { content: ""; position: absolute; inset: 20%; border-radius: 50%; background: radial-gradient(circle, rgba(142, 57, 239, 0.28), transparent 70%); }
.ring { position: absolute; border: 1px solid var(--ink-line); border-radius: 50%; }
.ring.r1 { inset: 30%; }
.ring.r2 { inset: 15%; }
.ring.r3 { inset: 0; }
.core { position: absolute; inset: 41%; display: grid; place-items: center; background: var(--ink-2); border: 1px solid var(--ink-line); border-radius: 22px; }
.core img { width: 56%; height: 56%; }
/* Cada braco gira e o no gira ao contrario, para o icone ficar de pe. --a e a posicao inicial
   (tambem e a posicao fixa quando o movimento esta reduzido). */
.arm { position: absolute; border-radius: 50%; transform: rotate(var(--a, 0deg)); animation: orbit var(--t, 40s) linear infinite; }
.arm.a1 { inset: 30%; --t: 30s; --a: 0deg; }
.arm.a2 { inset: 15%; --t: 44s; --a: 120deg; }
.arm.a3 { inset: 0; --t: 60s; --a: 240deg; }
.arm.a2, .arm.a2 .node { animation-direction: reverse; }
.node { position: absolute; top: 0; left: 50%; width: 44px; height: 44px; margin: -22px 0 0 -22px; display: grid; place-items: center; background: var(--ink-2); border: 1px solid #3a3a3a; border-radius: 12px; color: var(--violet-glow); transform: rotate(calc(var(--a, 0deg) * -1)); animation: orbit-back var(--t, 40s) linear infinite; }
.node svg { width: 22px; height: 22px; stroke: currentColor; fill: none; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }
@keyframes orbit { from { transform: rotate(var(--a, 0deg)); } to { transform: rotate(calc(var(--a, 0deg) + 360deg)); } }
@keyframes orbit-back { from { transform: rotate(calc(var(--a, 0deg) * -1)); } to { transform: rotate(calc(var(--a, 0deg) * -1 - 360deg)); } }
.orbit-cap { margin-top: var(--s3); text-align: center; color: var(--on-ink-muted); font-size: 0.9375rem; max-width: 36ch; margin-inline: auto; }

/* Secoes */
.section { padding-block: var(--s8); }
.section.alt { background: var(--canvas); }
@media (max-width: 767.98px) { .section { padding-block: var(--s7); } }
.kicker { color: var(--accent); font-weight: 600; font-size: 0.8125rem; letter-spacing: 0.14em; text-transform: uppercase; font-variant-numeric: tabular-nums; margin-bottom: var(--s2); }
.section-head { max-width: 40rem; margin-bottom: var(--s6); }
.section-head p:not(.kicker) { margin-top: var(--s3); color: var(--muted); font-size: 1.1875rem; max-width: 56ch; }
.grid { display: grid; gap: var(--s3); grid-template-columns: 1fr; }
@media (min-width: 768px) { .grid.three { grid-template-columns: repeat(3, 1fr); } .grid.four { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1280px) { .grid.four { grid-template-columns: repeat(4, 1fr); } }

.card { background: var(--paper); border: 1px solid var(--line); border-radius: 16px; padding: var(--s5) var(--s4) var(--s4); transition: border-color var(--motion-150) var(--ease-out); }
.card h3 { margin-top: var(--s4); }
.card p { margin-top: var(--s2); color: var(--muted); font-size: 1rem; }
@media (hover: hover) { .card:hover { border-color: var(--violet); } }
.card-icon { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 12px; background: var(--ink); color: var(--violet-glow); }
.card-icon svg { width: 24px; height: 24px; stroke: currentColor; fill: none; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }

.step { border-top: 1px solid var(--ink); padding-top: var(--s3); }
.step .num { display: block; font-variant-numeric: tabular-nums; color: var(--accent); font-weight: 600; font-size: 2.25rem; letter-spacing: -0.04em; line-height: 1; }
.step h3 { margin-top: var(--s3); }
.step p { margin-top: var(--s2); color: var(--muted); font-size: 1rem; }

.commit { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; grid-template-columns: 1fr; border-top: 1px solid var(--line); }
@media (min-width: 768px) { .commit { grid-template-columns: 1fr 1fr; column-gap: var(--s6); } .commit li:nth-child(5) { grid-column: 1 / -1; } }
.commit li { padding: var(--s3) 0; border-bottom: 1px solid var(--line); }
.commit strong { display: block; font-size: 1.1875rem; letter-spacing: -0.02em; }
.commit span { display: block; margin-top: 4px; color: var(--muted); }
.text-link { display: inline-flex; align-items: center; min-height: 44px; margin-top: var(--s3); font-weight: 600; color: var(--accent); }
.note { margin-top: var(--s5); color: var(--muted); max-width: 62ch; padding-left: var(--s2); border-left: 2px solid var(--violet); }
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.875em; background: var(--canvas); padding: 2px 6px; border-radius: 6px; overflow-wrap: anywhere; }

/* Rodape */
.site-footer { background: var(--ink); color: var(--on-ink-muted); padding-block: var(--s6) var(--s5); font-size: 0.9375rem; border-top: 1px solid var(--ink-line); }
.foot { display: grid; gap: var(--s4); grid-template-columns: 1fr; }
@media (min-width: 768px) { .foot { grid-template-columns: 1.4fr 1fr 1.2fr; align-items: start; } }
.foot-brand { display: inline-flex; align-items: center; gap: 12px; color: #fff; font-weight: 600; font-size: 1.1875rem; letter-spacing: -0.02em; text-decoration: none; min-height: 44px; }
.foot-brand img { width: 32px; height: 32px; }
.foot-tag { margin-top: var(--s1); max-width: 40ch; }
.foot-col { display: flex; flex-direction: column; align-items: flex-start; }
.foot-h { margin: 0 0 var(--s1); color: var(--on-ink-muted); font-size: 0.8125rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; }
.foot-loc { margin-top: var(--s1); }
.foot a { color: #fff; display: inline-flex; align-items: center; min-height: 44px; overflow-wrap: anywhere; text-decoration: none; }
.foot a:hover { text-decoration: underline; }
.legal-wrap { margin-top: var(--s5); padding-top: var(--s3); border-top: 1px solid var(--ink-line); text-align: center; }
.legal { font-size: 0.875rem; max-width: 80ch; margin-inline: auto; }
.legal + .legal { margin-top: var(--s1); }

/* Politica e termos */
.doc { max-width: 72ch; margin-inline: auto; padding: var(--s7) var(--s3) var(--s8); }
.doc h1 { font-size: clamp(2.25rem, 5vw, 3.25rem); }
.doc h2 { font-size: 1.4375rem; letter-spacing: -0.025em; margin-top: var(--s5); }
.doc p, .doc li { color: var(--muted); margin-top: var(--s2); }
.doc ul { padding-left: var(--s3); }
.doc .meta { color: var(--muted); margin-top: var(--s2); }
.doc a { padding-block: 11px; color: var(--accent); }

/* Movimento: entrada com opacity e transform (300ms, ease-out). */
.js .reveal { opacity: 0; transform: translateY(8px); transition: opacity var(--motion-300) var(--ease-out), transform var(--motion-300) var(--ease-out); transition-delay: var(--d, 0ms); }
.js .reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { transform: none; transition: opacity 100ms ease; transition-delay: 0ms; }
  .arm, .node { animation: none; }
  .nav-link, .btn, .card { transition: none; }
}