/* =========================================================
   WNunes — site institucional
   Linguagem visual: HIG + liquid glass (referência: site do Grafos).
   Tokens no :root puro; o bloco escuro só REDEFINE.
   ========================================================= */

:root {
  color-scheme: light dark;

  /* Marca (extraída do logo) */
  --roxo: #9b30ff;
  --roxo-fundo: #6318bf;
  --magenta: #ff2dff;

  /* Superfícies */
  --fundo: #f5f3fa;
  --elev: #ffffff;
  --separador: rgba(60, 60, 67, .14);

  /* Vidro */
  --vidro: rgba(255, 255, 255, .58);
  --vidro-forte: rgba(255, 255, 255, .78);
  --vidro-borda: rgba(255, 255, 255, .8);
  --brilho: rgba(255, 255, 255, .95);
  --reflexo: rgba(255, 255, 255, .55);
  --campo: rgba(255, 255, 255, .7);

  /* Texto */
  --texto: #1d1d1f;
  --suave: #5f5d6b;
  --fraco: #8e8e93;

  /* Acento: roxo escuro o bastante para AA sobre branco */
  --tint: #7a1fd6;
  --tint-tinta: #7a1fd6;
  --grad: linear-gradient(135deg, #8a28f0 0%, #b12ad6 60%, #d22cd8 100%);
  --grad-texto: linear-gradient(110deg, #8a28f0 0%, #c42ae0 60%, #e62de6 100%);

  /* Sintaxe da janela de código */
  --cod-k: #8a28f0;
  --cod-f: #0a6fd1;
  --cod-s: #b4199f;
  --cod-c: #1f8a50;

  /* Raios concêntricos */
  --r-jan: 26px;
  --r-cartao: 18px;
  --r-item: 11px;
  --r-chip: 100px;

  --sombra: 0 1px 2px rgba(40, 20, 80, .05), 0 8px 24px rgba(40, 20, 80, .08);
  --sombra-alta: 0 2px 6px rgba(40, 20, 80, .07), 0 24px 56px rgba(40, 20, 80, .14);

  --sf: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Inter", "Segoe UI Variable", "Segoe UI", system-ui, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", Consolas, monospace;
  --topo-h: 64px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fundo: #07060c;
    --elev: #16141f;
    --separador: rgba(120, 110, 150, .26);

    --vidro: rgba(32, 28, 44, .5);
    --vidro-forte: rgba(28, 24, 38, .72);
    --vidro-borda: rgba(255, 255, 255, .12);
    --brilho: rgba(255, 255, 255, .22);
    --reflexo: rgba(255, 255, 255, .1);
    --campo: rgba(255, 255, 255, .06);

    --texto: #f5f5f7;
    --suave: #a7a3b5;
    --fraco: #6e6b7b;

    --tint: #9b30ff;
    --tint-tinta: #cf9bff;
    --grad-texto: linear-gradient(110deg, #b67bff 0%, #e266ff 55%, #ff5cff 100%);

    --cod-k: #d38cff;
    --cod-f: #7cc7ff;
    --cod-s: #ffa8f0;
    --cod-c: #6fe0a2;

    --sombra: 0 1px 2px rgba(0, 0, 0, .5), 0 10px 30px rgba(0, 0, 0, .45);
    --sombra-alta: 0 2px 8px rgba(0, 0, 0, .6), 0 24px 60px rgba(0, 0, 0, .55);
  }
}

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

body {
  margin: 0;
  background: var(--fundo);
  color: var(--texto);
  font-family: var(--sf);
  font-size: 17px;
  line-height: 1.53;
  letter-spacing: -.01em;
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
}

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

h1, h2, h3 { line-height: 1.1; letter-spacing: -.03em; margin: 0; }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.5rem); font-weight: 700; margin-bottom: .9rem; text-wrap: balance; }
h3 { font-size: 1.08rem; font-weight: 600; letter-spacing: -.02em; margin-bottom: .45rem; }
p { margin: 0 0 1em; color: var(--suave); }

a { color: var(--tint-tinta); text-underline-offset: .18em; }

:focus-visible { outline: 2px solid var(--tint-tinta); outline-offset: 3px; border-radius: 6px; }

.envelope {
  max-width: 72rem;
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.6rem);
}

.skip-link {
  position: absolute; left: 16px; top: -60px; z-index: 100;
  background: var(--elev); color: var(--texto); padding: 10px 16px; border-radius: var(--r-item);
}
.skip-link:focus { top: 12px; }

.grad-text {
  background: var(--grad-texto);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}

/* =================== VIDRO LÍQUIDO ===================
   Três camadas: o desfoque do que está atrás (backdrop-filter), a borda clara
   que pega luz e um reflexo especular diagonal por cima (::after). */
.vidro {
  position: relative;
  background: var(--vidro);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid var(--vidro-borda);
  box-shadow:
    var(--sombra),
    inset 0 1px 0 var(--brilho),
    inset 0 -1px 0 rgba(255, 255, 255, .06);
}
.vidro > * { position: relative; z-index: 1; }
.vidro::after {
  content: "";
  position: absolute; inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background: linear-gradient(140deg, var(--reflexo) 0%, transparent 32%, transparent 68%, rgba(255, 255, 255, .06) 100%);
}

/* =================== AURORA e ORBES =================== */
.aurora {
  position: absolute; top: 0; left: 0; right: 0;
  height: min(90vh, 980px);
  overflow: hidden;
  pointer-events: none;
  filter: blur(80px);
  opacity: .5;
  z-index: 0;
}
.aurora span, .orbes span { position: absolute; display: block; border-radius: 50%; }
.aurora .a1 { width: 46vw; height: 46vw; left: -8vw; top: -16vw; background: var(--roxo); opacity: .6; }
.aurora .a2 { width: 40vw; height: 40vw; right: -6vw; top: -4vw; background: var(--magenta); opacity: .42; }
.aurora .a3 { width: 30vw; height: 30vw; left: 38vw; top: 14vw; background: #4d6bff; opacity: .26; }

.faixa { position: relative; padding-block: clamp(4rem, 9vw, 7rem); }
.orbes {
  position: absolute; inset: 0;
  overflow: hidden;
  pointer-events: none;
  filter: blur(90px);
  opacity: .32;
  z-index: 0;
}
.orbes .o1 { width: 34vw; height: 34vw; left: -10vw; top: 20%; background: var(--roxo); }
.orbes .o2 { width: 28vw; height: 28vw; right: -6vw; bottom: 0; background: var(--magenta); opacity: .8; }
.orbes .o3 { width: 36vw; height: 26vw; left: 30vw; top: 30%; background: var(--roxo-fundo); }
.orbes .o4 { width: 22vw; height: 22vw; right: 4vw; top: 5%; background: #4d6bff; opacity: .7; }
.orbes .o5 { width: 34vw; height: 34vw; right: -4vw; top: 10%; background: var(--magenta); opacity: .7; }
.orbes .o6 { width: 40vw; height: 40vw; left: -10vw; bottom: -10%; background: var(--roxo); }
.orbes .o7 { width: 30vw; height: 30vw; right: 0; top: 0; background: var(--magenta); opacity: .75; }

main, .rodape { position: relative; z-index: 1; }
.faixa > .envelope { position: relative; z-index: 1; }

/* =================== TOPO DE VIDRO =================== */
.topo {
  position: sticky; top: 0; z-index: 20;
  background: var(--vidro);
  backdrop-filter: saturate(180%) blur(24px);
  -webkit-backdrop-filter: saturate(180%) blur(24px);
  border-bottom: 1px solid var(--separador);
  box-shadow: inset 0 -1px 0 rgba(255, 255, 255, .04);
}
.topo-inner {
  height: var(--topo-h);
  display: flex; align-items: center; justify-content: space-between; gap: 1.4rem;
}

.marca {
  display: inline-flex; align-items: center; gap: .55rem;
  color: var(--texto); text-decoration: none;
}
.marca span { font-weight: 600; font-size: 1.32rem; letter-spacing: -.04em; line-height: 1; }
.marca b { font-weight: 700; }

.menu { display: flex; align-items: center; gap: .2rem; font-size: .93rem; }
.menu a:not(.botao) {
  padding: .42rem .8rem;
  border-radius: var(--r-chip);
  color: var(--suave);
  text-decoration: none;
  font-weight: 500;
  transition: background-color .15s ease, color .15s ease;
}
.menu a:not(.botao):hover { color: var(--texto); background: color-mix(in srgb, var(--texto) 8%, transparent); }
.menu a.ativo { color: var(--texto); background: color-mix(in srgb, var(--tint) 14%, transparent); }
.menu .botao { margin-left: .6rem; }

.nav-toggle {
  display: none; width: 42px; height: 42px; padding: 12px 10px;
  background: transparent; border: 0; cursor: pointer; border-radius: var(--r-item);
  flex-direction: column; justify-content: space-between;
}
.nav-toggle span { display: block; height: 2px; background: var(--texto); border-radius: 2px; transition: transform .3s, opacity .3s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =================== BOTÕES =================== */
.botao {
  position: relative;
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  background: var(--grad);
  color: #fff;
  padding: .8rem 1.5rem;
  border-radius: var(--r-chip);
  border: 0;
  font: inherit; font-weight: 600; letter-spacing: -.01em;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(138, 40, 240, .32), inset 0 1px 0 rgba(255, 255, 255, .35);
  transition: transform .18s ease, box-shadow .18s ease;
}
.botao:hover { transform: translateY(-1px); box-shadow: 0 10px 28px rgba(178, 42, 214, .38), inset 0 1px 0 rgba(255, 255, 255, .35); }
.botao.secundario {
  background: var(--vidro);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  color: var(--texto);
  border: 1px solid var(--vidro-borda);
  box-shadow: var(--sombra), inset 0 1px 0 var(--brilho);
}
.botao-sm { padding: .5rem 1.05rem; font-size: .9rem; }
.botao-bloco { width: 100%; }

/* =================== CAPA =================== */
.capa { position: relative; padding-block: clamp(3.5rem, 9vw, 6.5rem) clamp(3rem, 7vw, 5rem); }
.capa-inner { display: grid; grid-template-columns: 1.08fr .92fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }

.pill {
  display: inline-flex; align-items: center; gap: .5rem;
  border-radius: var(--r-chip);
  padding: .36rem .9rem .38rem;
  background: var(--vidro);
  border: 1px solid var(--vidro-borda);
  backdrop-filter: saturate(180%) blur(24px);
  -webkit-backdrop-filter: saturate(180%) blur(24px);
  box-shadow: inset 0 1px 0 var(--brilho);
  font-size: .8rem; font-weight: 500; letter-spacing: 0;
  color: var(--suave);
  margin: 0;
}
.pill i { width: 7px; height: 7px; border-radius: 50%; background: var(--grad); flex: none; box-shadow: 0 0 0 3px color-mix(in srgb, var(--tint) 20%, transparent); }

.capa h1 {
  font-size: clamp(2.6rem, 6.4vw, 4.6rem);
  font-weight: 700;
  letter-spacing: -.045em;
  line-height: 1.03;
  margin: 1.2rem 0 0;
  text-wrap: balance;
}
.sub {
  font-size: clamp(1.1rem, 2.1vw, 1.4rem);
  line-height: 1.35;
  letter-spacing: -.021em;
  max-width: 34ch;
  margin: 1.1rem 0 0;
  text-wrap: pretty;
}
.chip .ok {
  content: ""; width: 16px; height: 16px; flex: none; border-radius: 50%;
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m7 12.5 3 3 7-7'/%3E%3C/svg%3E") center/100% no-repeat,
    var(--grad);
}

/* Visual: o logo atrás, a janela de vidro na frente — o vidro refrata o logo */
.capa-visual { position: relative; min-height: 430px; }
.capa-logo {
  position: absolute; right: 2%; top: -2%;
  width: 66%; max-width: 330px;
  filter: drop-shadow(0 30px 50px rgba(155, 48, 255, .35));
  animation: flutuar 8s ease-in-out infinite;
}

.janela {
  position: absolute; left: 0; bottom: 12px;
  width: min(410px, 94%);
  border-radius: var(--r-jan);
  box-shadow: var(--sombra-alta), inset 0 1px 0 var(--brilho);
  overflow: hidden;
}
.barra {
  display: flex; align-items: center; gap: .5rem;
  padding: .8rem 1.1rem;
  border-bottom: 1px solid var(--separador);
}
.semaforo { display: inline-flex; gap: .45rem; }
.semaforo i { width: 12px; height: 12px; border-radius: 50%; display: block; }
.s1 { background: #ff5f57; } .s2 { background: #febc2e; } .s3 { background: #28c840; }
.barra .tit { font-size: .8rem; color: var(--suave); margin-left: .5rem; font-weight: 500; font-family: var(--mono); }
.janela pre { margin: 0; padding: 1.1rem 1.3rem 1.4rem; overflow-x: auto; position: relative; z-index: 1; }
.janela code { font-family: var(--mono); font-size: .84rem; line-height: 1.8; color: var(--texto); letter-spacing: 0; }
.janela .k { color: var(--cod-k); }
.janela .f { color: var(--cod-f); }
.janela .s { color: var(--cod-s); }
.janela .c { color: var(--cod-c); }

.chip {
  position: absolute;
  display: inline-flex; align-items: center; gap: .45rem;
  font-size: .8rem; font-weight: 600; color: var(--texto);
  padding: .5rem .9rem .5rem .6rem;
  border-radius: var(--r-chip);
  white-space: nowrap;
}
.chip .ok { width: 18px; height: 18px; }
.chip-a { top: 12%; left: 0; animation: flutuar 6s ease-in-out infinite -2s; }
.chip-b { right: 0; bottom: 34%; animation: flutuar 7.5s ease-in-out infinite -4s; }

@keyframes flutuar {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* =================== SEÇÕES =================== */
.cabeca { max-width: 44rem; margin: 0 auto clamp(2.4rem, 5vw, 3.6rem); text-align: center; }
.cabeca p:last-child { font-size: 1.08rem; margin: 0 auto; max-width: 38rem; }
.rotulo {
  display: inline-block;
  font-size: .78rem; font-weight: 600;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--tint-tinta);
  margin-bottom: .9rem;
}

/* Cartões */
.cartoes, .etapas, .valores { list-style: none; padding: 0; margin: 0; }
.cartoes { display: grid; gap: 1rem; grid-template-columns: repeat(3, 1fr); }
.cartao {
  border-radius: var(--r-cartao);
  padding: 1.6rem 1.5rem;
  transition: transform .2s ease, box-shadow .2s ease;
}
.cartao:hover { transform: translateY(-3px); box-shadow: var(--sombra-alta), inset 0 1px 0 var(--brilho); }
.cartao p { margin: 0; font-size: .95rem; }

.icone {
  width: 48px; height: 48px;
  border-radius: 13px;
  display: grid; place-items: center;
  margin-bottom: 1.15rem;
  background: var(--grad);
  box-shadow: 0 6px 16px rgba(138, 40, 240, .3), inset 0 1px 0 rgba(255, 255, 255, .4);
}
.icone svg { width: 24px; height: 24px; fill: none; stroke: #fff; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.icone-sm { width: 38px; height: 38px; border-radius: var(--r-item); margin: 0; flex: none; }
.icone-sm svg { width: 19px; height: 19px; }

/* Etapas */
.etapas { display: grid; gap: 1rem; grid-template-columns: repeat(4, 1fr); }
.num {
  display: block;
  font-size: 2.4rem; font-weight: 700; letter-spacing: -.04em; line-height: 1;
  margin-bottom: 1rem;
  background: var(--grad-texto); -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* Tecnologias */
.tecnologias { display: grid; gap: 1rem; grid-template-columns: repeat(4, 1fr); }
.tecnologias h3 { margin-bottom: 1rem; }
.tags { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: .4rem; }
.tags li {
  font-size: .82rem; font-weight: 500;
  color: var(--texto);
  background: var(--campo);
  border: 1px solid var(--vidro-borda);
  box-shadow: inset 0 1px 0 var(--brilho);
  padding: .28rem .7rem;
  border-radius: var(--r-chip);
}

/* Sobre */
.sobre { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.sobre-texto p:not(.rotulo) { font-size: 1.06rem; }
.valores { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.valores h3 { font-size: 1rem; }

/* Contato */
.contato { text-align: center; }
.contato-texto { max-width: 36rem; margin-inline: auto; }
.contato-texto > p:not(.rotulo) { font-size: 1.08rem; }
.canais { list-style: none; padding: 0; margin: 2rem 0 0; display: flex; justify-content: center; }
.canais li { display: flex; align-items: center; gap: .8rem; color: var(--suave); }
.canais a { font-weight: 600; text-decoration: none; }
.canais a:hover { text-decoration: underline; }

/* =================== RODAPÉ =================== */
.rodape { border-top: 1px solid var(--separador); color: var(--fraco); font-size: .88rem; }
.rodape-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem 1.6rem; padding-block: 1.8rem 2.6rem; }
.rodape .marca span { font-size: 1.1rem; }
.rodape-nav { display: flex; flex-wrap: wrap; gap: .3rem 1.2rem; }
.rodape-nav a { color: var(--suave); text-decoration: none; }
.rodape-nav a:hover { color: var(--texto); }
.copy { margin: 0; color: var(--fraco); }

/* =================== ENTRADA =================== */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visivel { opacity: 1; transform: none; }
.sem-io .reveal { opacity: 1; transform: none; }

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}
html { scroll-padding-top: calc(var(--topo-h) + 8px); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
  .cartao:hover, .botao:hover { transform: none; }
}

/* =================== RESPONSIVO =================== */
@media (max-width: 1024px) {
  .cartoes, .tecnologias { grid-template-columns: repeat(2, 1fr); }
  .etapas { grid-template-columns: repeat(2, 1fr); }
  .sobre { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .menu {
    position: absolute; top: calc(100% + 8px); left: 12px; right: 12px;
    flex-direction: column; align-items: stretch; gap: .15rem;
    padding: .6rem;
    border-radius: var(--r-cartao);
    background: var(--vidro-forte);
    backdrop-filter: blur(30px) saturate(180%);
    -webkit-backdrop-filter: blur(30px) saturate(180%);
    border: 1px solid var(--vidro-borda);
    box-shadow: var(--sombra-alta), inset 0 1px 0 var(--brilho);
    font-size: 1rem;
    transform: translateY(-8px) scale(.98); opacity: 0; visibility: hidden;
    transition: transform .2s ease, opacity .2s ease, visibility .2s;
  }
  .menu.aberto { transform: none; opacity: 1; visibility: visible; }
  .menu a:not(.botao) { padding: .75rem .9rem; border-radius: var(--r-item); }
  .menu .botao { margin: .4rem 0 0; padding: .8rem; }

  .capa-inner { grid-template-columns: 1fr; }
  .capa-visual { min-height: 400px; max-width: 480px; width: 100%; margin-inline: auto; }
}

@media (max-width: 600px) {
  .cartoes, .etapas, .tecnologias, .valores { grid-template-columns: 1fr; }
  .capa-visual { min-height: 360px; }
  .capa-logo { width: 58%; right: 0; }
  .chip-b { bottom: -6px; right: 8px; }
  .rodape-inner { flex-direction: column; align-items: flex-start; }
}