/* Vision — página do produto.
   Paleta tirada do próprio emblema: grafite, cromo, ciano do núcleo e âmbar dos circuitos.
   Sem fontes externas: a pilha do sistema é a fonte, e nenhum pedido sai daqui. */

:root {
  --bg: #08080a;
  --bg-2: #0e0e11;
  --panel: rgba(255, 255, 255, .028);
  --panel-2: rgba(255, 255, 255, .05);
  --line: rgba(255, 255, 255, .085);
  --line-2: rgba(255, 255, 255, .16);
  --ink: #e7ebf2;
  --muted: #8b93a4;
  --chrome: #c0c6d0;
  --cyan: #00e5ff;
  --amber: #ff9d00;
  --ok: #37e39b;
  --bad: #ff5f6d;
  --radius: 14px;
  --mono: ui-monospace, "JetBrains Mono", "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;
  --sans: ui-sans-serif, -apple-system, "Segoe UI", Roboto, Inter, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* grelha técnica de fundo, muito discreta */
.grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, .035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, .035) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 40%, transparent 100%);
  z-index: 0;
}

/* A grelha de fundo é uma camada fixa (z-index 0); o conteúdo sobe acima dela. O cabeçalho fica de fora
   desta regra, porque ele precisa de `position: sticky` — declará-lo `relative` aqui matava o sticky. */
main, .site-footer { position: relative; z-index: 1; }

a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
code { font-family: var(--mono); font-size: .92em; }
em { font-style: normal; color: var(--cyan); }

/* ---------- cabeçalho ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;                    /* acima do conteúdo (1) e da grelha de fundo (0) */
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 14px clamp(16px, 4vw, 40px);
  background: rgba(8, 8, 10, .82);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--line);
}

.brand { display: flex; align-items: center; gap: 10px; }
.brand img { border-radius: 7px; filter: drop-shadow(0 0 10px rgba(0, 229, 255, .22)); }
.wordmark {
  font-weight: 700;
  letter-spacing: .22em;
  font-size: 15px;
  background: linear-gradient(180deg, #fff, var(--chrome) 55%, #7d8493);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav { display: flex; gap: 20px; margin-left: 8px; }
.nav a { color: var(--muted); font-size: 14px; }
.nav a:hover { color: var(--ink); text-decoration: none; }
.header-right { display: flex; align-items: center; gap: 12px; margin-left: auto; }

/* Alternância de idioma: EN é o padrão, PT a alternativa. */
.lang {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--line-2);
  border-radius: 8px;
  background: rgba(0, 0, 0, .25);
}
.lang a {
  padding: 5px 8px;
  border-radius: 6px;
  font: 600 11px/1 var(--mono);
  letter-spacing: .06em;
  color: var(--muted);
}
.lang a:hover { color: var(--ink); text-decoration: none; }
.lang a.is-on { color: #04121a; background: var(--cyan); }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 11px;
  font: 600 12px/1 var(--mono);
  letter-spacing: .04em;
  color: var(--chrome);
  border: 1px solid var(--line-2);
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.015));
}
.dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--cyan);
  animation: pulse 2.4s ease-out infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(0, 229, 255, .5); }
  70%  { box-shadow: 0 0 0 8px rgba(0, 229, 255, 0); }
  100% { box-shadow: 0 0 0 0 rgba(0, 229, 255, 0); }
}

/* ---------- botões ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 10px;
  font: 600 14px/1 var(--sans);
  border: 1px solid var(--line-2);
  color: var(--ink);
  background: linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.02));
  transition: border-color .18s, box-shadow .18s, transform .18s;
  cursor: pointer;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary {
  border-color: rgba(0, 229, 255, .45);
  box-shadow: inset 0 0 0 1px rgba(0, 229, 255, .08), 0 0 24px -8px rgba(0, 229, 255, .5);
}
.btn-primary:hover { border-color: var(--cyan); box-shadow: inset 0 0 22px -10px var(--cyan), 0 0 30px -8px rgba(0,229,255,.6); }
.btn-ghost { background: transparent; color: var(--chrome); }
.btn-ghost:hover { border-color: var(--chrome); color: #fff; }
.btn-small { padding: 6px 11px; font-size: 12px; }

/* ---------- hero ---------- */
.hero {
  position: relative;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, rgba(0, 229, 255, .09), transparent 62%),
    radial-gradient(ellipse 90% 60% at 50% 110%, rgba(255, 157, 0, .05), transparent 60%);
}
/* O banner é mostrado na proporção natural (1024 x 572). Nunca é esticado nem cortado:
   cresce até 520px de largura e, em ecrãs estreitos, encolhe mantendo a proporção. */
.hero-mark {
  display: block;
  width: min(620px, 86%);
  height: auto;
  margin: 0 auto clamp(20px, 3vw, 30px);
  border-radius: 12px;
  border: 1px solid var(--line-2);
  box-shadow: 0 30px 70px -34px rgba(0, 0, 0, .95), 0 0 0 1px rgba(255, 255, 255, .03) inset;
}
.hero-inner {
  position: relative;
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(40px, 6vw, 72px) clamp(16px, 4vw, 40px) 0;
  text-align: center;
}
.hero-inner .lede { margin-left: auto; margin-right: auto; }
.hero-inner .cta-row { justify-content: center; }
.eyebrow {
  font: 600 12px/1 var(--mono);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 18px;
}
h1 {
  margin: 0 0 18px;
  font-size: clamp(30px, 5.1vw, 56px);
  line-height: 1.08;
  letter-spacing: -.02em;
  font-weight: 700;
  text-wrap: balance;     /* as duas linhas do título ficam com comprimento parecido */
  background: linear-gradient(180deg, #ffffff 20%, var(--chrome) 75%, #98a0ae);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lede {
  max-width: 62ch;
  color: #b9c1cf;
  font-size: clamp(15px, 1.5vw, 18px);
  margin: 0 0 28px;
  text-wrap: pretty;      /* evita uma palavra órfã na última linha */
}
.lede strong { color: #fff; font-weight: 600; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 48px; }

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  border-top: 1px solid var(--line);
  background: var(--line);
}
.metrics > div { background: var(--bg); padding: 22px clamp(12px, 2vw, 26px) 26px; }
.metrics dt {
  font: 700 clamp(19px, 2.4vw, 27px)/1.1 var(--mono);
  color: #fff;
  margin-bottom: 8px;
  text-shadow: 0 0 22px rgba(0, 229, 255, .25);
}
.metrics dd { margin: 0; font-size: 13px; line-height: 1.45; color: var(--muted); }

/* Ancorar com a barra fixa: sem isto, ao clicar no menu o título da secção fica escondido atrás do cabeçalho. */
section[id], main[id] { scroll-margin-top: 76px; }

.section { max-width: 1180px; margin: 0 auto; padding: clamp(56px, 8vw, 96px) clamp(16px, 4vw, 40px) 0; }
.section-head { max-width: 76ch; margin-bottom: 30px; }
.section-head h2 {
  margin: 0 0 10px;
  font-size: clamp(22px, 3vw, 32px);
  letter-spacing: -.015em;
  font-weight: 700;
  color: #fff;
}
.section-head p { margin: 0; color: var(--muted); }

/* ---------- cartões ---------- */
.card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(320px circle at var(--mx, 20%) var(--my, 0%), rgba(0, 229, 255, .09), transparent 65%),
    linear-gradient(180deg, var(--panel-2), var(--panel));
  overflow: hidden;
}
.card-head {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 11px 16px;
  border-bottom: 1px solid var(--line);
  font: 600 12px/1 var(--mono);
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--muted);
}
.lamp { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 9px var(--cyan); }
.lamp.amber { background: var(--amber); box-shadow: 0 0 9px var(--amber); }
.tag {
  margin-left: auto;
  font: 600 10px/1 var(--sans);
  letter-spacing: .08em;
  padding: 4px 7px;
  border: 1px solid var(--line-2);
  border-radius: 5px;
  color: var(--chrome);
}


/* ---------- showcase: editor + saída (as três caixas com a mesma altura) ---------- */
.showcase {
  display: grid;
  grid-template-columns: 1.12fr .88fr;
  gap: 16px;
  align-items: stretch;
}
.column { display: grid; grid-template-rows: 1fr auto; gap: 16px; }
.editor { display: flex; flex-direction: column; }
.editor .tabs { flex: 0 0 auto; }
.editor pre.code { flex: 1 1 auto; min-height: 0; max-height: none; }
.terminal { display: flex; flex-direction: column; }
.terminal .out { flex: 1 1 auto; min-height: 0; }

.tabs { display: flex; gap: 2px; padding: 8px 8px 0; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.tab {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 13px;
  border: 1px solid transparent;
  border-bottom: none;
  border-radius: 9px 9px 0 0;
  background: transparent;
  color: var(--muted);
  font: 600 13px/1 var(--mono);
  cursor: pointer;
}
.tab span {
  font: 600 10px/1 var(--sans);
  letter-spacing: .07em;
  text-transform: uppercase;
  color: #5f6877;
}
.tab:hover { color: var(--ink); }
.tab.is-active {
  color: #fff;
  background: linear-gradient(180deg, rgba(0, 229, 255, .10), rgba(0, 229, 255, .02));
  border-color: var(--line);
  box-shadow: inset 0 1px 0 rgba(0, 229, 255, .35);
}
.tab.is-active span { color: var(--cyan); }

pre.code, pre.out {
  margin: 0;
  padding: 16px 16px 18px;
  overflow: auto;
  font: 13px/1.62 var(--mono);
  tab-size: 4;
}
pre.code { max-height: 460px; }
pre.code code { font-size: 13px; }

/* cores da gramática */
.kw { color: #7fd4ff; }
.ty { color: #b48cff; }
.fn { color: #ffd479; }
.num { color: #9ef7c8; }
.str { color: #ffb27f; }
.cm { color: #5d6675; font-style: italic; }
.p { color: var(--cyan); }
.ok { color: var(--ok); }
.bad { color: var(--bad); }

/* terminal */
.terminal .out { color: #c7cedb; min-height: 208px; }
.is-hidden { display: none !important; }

/* recibo */
.receipt .kv { display: grid; grid-template-columns: 1fr; gap: 0; margin: 0; padding: 6px 0; }
.kv dt {
  padding: 8px 16px 0;
  font: 600 11px/1.5 var(--mono);
  letter-spacing: .04em;
  text-transform: uppercase;
  color: #6d7686;
}
.kv dd { margin: 0; padding: 2px 16px 9px; font-size: 13.5px; border-bottom: 1px solid rgba(255,255,255,.05); }
.kv dd:last-child { border-bottom: none; }
.kv code.copy { cursor: pointer; color: var(--amber); border-bottom: 1px dotted rgba(255,157,0,.5); }
.kv code.copy:hover { color: #ffd08a; }
.fine { margin: 0; padding: 10px 16px 14px; font-size: 12.5px; color: var(--muted); }

/* ---------- cartões de caso de uso ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; }
.feature { padding: 18px 18px 16px; }
.feature h3 { margin: 0 0 8px; font-size: 16px; color: #fff; letter-spacing: -.01em; }
.feature p { margin: 0 0 10px; font-size: 13.5px; color: #a9b2c1; }
.feature .metric-inline {
  margin: 0;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  font: 600 12px/1.4 var(--mono);
  color: var(--cyan);
}
.feature .metric-inline span {
  display: inline-block;
  margin-right: 8px;
  color: #6d7686;
  font: 600 10px/1 var(--sans);
  letter-spacing: .08em;
  text-transform: uppercase;
}

/* ---------- tabela comparativa ---------- */
.table-wrap { border: 1px solid var(--line); border-radius: var(--radius); overflow: auto; background: var(--panel); }
.compare { width: 100%; border-collapse: collapse; font-size: 13.5px; min-width: 720px; }
.compare th, .compare td { text-align: left; padding: 13px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
.compare thead th {
  font: 600 11px/1.4 var(--mono);
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--muted);
  background: rgba(255,255,255,.03);
}
.compare thead th small { display: block; margin-top: 4px; font-size: 10px; letter-spacing: 0; text-transform: none; color: #5f6877; }
.compare thead th.us { color: var(--cyan); }
.compare tbody th { font-weight: 500; color: #cfd6e2; width: 34%; }
.compare tbody tr:last-child th, .compare tbody tr:last-child td { border-bottom: none; }
.compare td { color: #9aa4b4; }
.compare td.us { background: rgba(0, 229, 255, .045); color: #cfe9f2; font-weight: 600; }
.compare td.yes { color: var(--ok); }
.compare td.no { color: #7d8595; }
.compare td.mid { color: var(--amber); }
.compare td.good { color: var(--ok); }


/* ---------- verificador ---------- */
.verifier { display: grid; grid-template-columns: .9fr 1.1fr; gap: 16px; align-items: start; }
.drop {
  display: grid;
  place-items: center;
  gap: 6px;
  min-height: 220px;
  padding: 26px;
  text-align: center;
  border: 1px dashed var(--line-2);
  border-radius: var(--radius);
  background: radial-gradient(240px circle at 50% 40%, rgba(0,229,255,.07), transparent 70%), var(--panel);
  cursor: pointer;
  transition: border-color .18s, background .18s;
}
.drop:hover, .drop:focus-visible, .drop.is-over {
  border-color: var(--cyan);
  background: radial-gradient(260px circle at 50% 45%, rgba(0,229,255,.14), transparent 70%), var(--panel-2);
  outline: none;
}
.drop-icon { font-size: 30px; line-height: 1; color: var(--cyan); text-shadow: 0 0 18px rgba(0,229,255,.5); }
.drop strong { font-size: 15px; color: #fff; font-weight: 600; }
.report .kv dd { font-family: var(--mono); font-size: 12.5px; word-break: break-all; }
.command { display: flex; align-items: center; gap: 10px; padding: 12px 16px; border-top: 1px solid var(--line); flex-wrap: wrap; }
.command code {
  flex: 1 1 260px;
  padding: 9px 11px;
  border: 1px solid var(--line-2);
  border-radius: 8px;
  background: rgba(0, 0, 0, .35);
  color: var(--cyan);
  font-size: 12.5px;
  overflow-x: auto;
}
#verdict { padding-top: 4px; }
#verdict.ok-text { color: var(--ok); }
#verdict.bad-text { color: var(--bad); }

/* ---------- rodapé ---------- */
.site-footer {
  max-width: 1180px;
  margin: clamp(56px, 8vw, 96px) auto 0;
  padding: 26px clamp(16px, 4vw, 40px) 40px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.foot-brand { display: flex; align-items: center; gap: 9px; color: var(--muted); font-size: 13px; }
.foot-brand img { opacity: .85; }
.foot-brand strong { color: var(--chrome); font-weight: 600; }
.foot-links { display: flex; gap: 18px; margin-left: auto; flex-wrap: wrap; }
.foot-links a { color: var(--muted); font-size: 13px; }
.foot-links a:hover { color: var(--ink); text-decoration: none; }
.colophon { width: 100%; margin: 6px 0 0; font-size: 12px; color: #5f6877; }


/* ---------- bloco de posicionamento (tese do produto, no início) ---------- */
.band {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(680px circle at 12% 0%, rgba(0, 229, 255, .07), transparent 62%),
    linear-gradient(180deg, rgba(255, 255, 255, .022), transparent 70%);
}
.band-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(40px, 6vw, 68px) clamp(16px, 4vw, 40px);
}
.band h2 {
  margin: 0 0 14px;
  font-size: clamp(22px, 3.2vw, 34px);
  line-height: 1.12;
  letter-spacing: -.018em;
  color: #fff;
  font-weight: 700;
}
.band-lede {
  max-width: 78ch;
  margin: 0 0 26px;
  color: #b5becd;
  font-size: clamp(14.5px, 1.5vw, 17px);
  text-wrap: pretty;
}
.band-lede strong { color: #fff; font-weight: 600; }

.pillars {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  counter-reset: pillar;
}
.pillars li {
  position: relative;
  padding: 16px 16px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  counter-increment: pillar;
}
.pillars li::before {
  content: "0" counter(pillar);
  display: block;
  margin-bottom: 8px;
  font: 700 11px/1 var(--mono);
  letter-spacing: .1em;
  color: var(--cyan);
}
.pillars strong {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
  color: #fff;
  letter-spacing: -.005em;
}
.pillars span { display: block; font-size: 12.8px; line-height: 1.5; color: #9aa4b4; }

.machines {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}
.chip {
  padding: 7px 12px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  background: rgba(0, 0, 0, .35);
  font: 600 12px/1 var(--mono);
  letter-spacing: .03em;
  color: var(--chrome);
}
.chip.result {
  border-color: rgba(0, 229, 255, .5);
  color: var(--cyan);
  box-shadow: 0 0 22px -8px rgba(0, 229, 255, .7);
}
.arrow { color: var(--cyan); font: 700 15px/1 var(--mono); }

@media (max-width: 980px) {
  .pillars { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 560px) {
  .pillars { grid-template-columns: 1fr; }
}


/* ---------- o percurso, passo a passo ---------- */
.steps {
  list-style: none;
  margin: 0;
  padding: 0 0 0 26px;
  position: relative;
}
.steps::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: linear-gradient(180deg, rgba(0,229,255,.55), rgba(0,229,255,.06));
}
.steps li { position: relative; padding: 0 0 22px 0; }
.steps li:last-child { padding-bottom: 0; }
.steps li::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 7px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--bg);
  border: 1px solid var(--cyan);
  box-shadow: 0 0 10px rgba(0, 229, 255, .5);
}
.step-head { display: flex; align-items: baseline; gap: 10px; margin-bottom: 6px; }
.step-n { font: 700 11px/1 var(--mono); letter-spacing: .1em; color: var(--cyan); }
.steps h3 { margin: 0; font-size: 15.5px; color: #fff; letter-spacing: -.005em; }
.steps p { margin: 0 0 8px; max-width: 74ch; font-size: 13.6px; color: #a9b2c1; }
.step-cmd {
  margin: 0;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-left: 2px solid rgba(0, 229, 255, .35);
  border-radius: 8px;
  background: rgba(0, 0, 0, .35);
  font: 12.2px/1.55 var(--mono);
  color: #c7cedb;
  overflow-x: auto;
  max-width: 640px;
}

/* ---------- resposta a tamanhos ---------- */
@media (max-width: 980px) {
  .showcase, .verifier { grid-template-columns: 1fr; }
  .metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .nav { display: none; }
}
@media (max-width: 560px) {
  .header-right .badge { display: none; }
  .metrics { grid-template-columns: 1fr; }
  .cta-row .btn { flex: 1 1 100%; justify-content: center; }
  pre.code, pre.out { font-size: 12px; }
}

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