/* =====================================================================
   Vitrine - sistema visual
   Um arquivo, sem build. Tokens primeiro, componentes depois.
   ===================================================================== */

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

:root {
  /* --- cor ------------------------------------------------------- */
  --fundo:        #0a0b0d;
  --fundo-2:      #0f1114;
  --fundo-3:      #14171c;
  --linha:        rgba(255,255,255,.08);
  --linha-2:      rgba(255,255,255,.16);
  --texto:        #edeff2;
  --texto-2:      #9ba2ab;
  --texto-3:      #6a717b;
  --acento:       #3ecf8e;
  --acento-fraco: rgba(62,207,142,.10);
  --acento-linha: rgba(62,207,142,.30);
  --alerta:       #f0b429;

  /* --- tipografia ------------------------------------------------ */
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto,
          "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
          "Liberation Mono", monospace;

  /* --- medida ---------------------------------------------------- */
  --max:   1120px;
  --gut:   24px;
  --raio:  14px;
}

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--fundo);
  color: var(--texto);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  letter-spacing: -.011em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* fundo com um clarao muito discreto no topo, para a pagina nao ser
   um retangulo preto morto */
body::before {
  content: "";
  position: fixed;
  inset: 0 0 auto 0;
  height: 60vh;
  pointer-events: none;
  background:
    radial-gradient(60% 100% at 50% 0%, rgba(62,207,142,.07), transparent 70%);
  z-index: 0;
}

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

a { color: inherit; text-decoration: none; }

:focus-visible {
  outline: 2px solid var(--acento);
  outline-offset: 3px;
  border-radius: 4px;
}

/* --- tipografia base --------------------------------------------- */

h1, h2, h3, h4 {
  margin: 0;
  font-weight: 560;
  letter-spacing: -.03em;
  line-height: 1.1;
  text-wrap: balance;
}

h1 { font-size: clamp(2.4rem, 5.6vw, 4rem); }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.35rem); }
h3 { font-size: 1.14rem; letter-spacing: -.02em; line-height: 1.35; }

p { margin: 0; }

strong { font-weight: 560; color: var(--texto); }

.lede {
  font-size: clamp(1.05rem, 1.9vw, 1.3rem);
  line-height: 1.55;
  color: var(--texto-2);
  max-width: 62ch;
}

.rotulo {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--texto-3);
}

.num {
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
  letter-spacing: -.04em;
}

/* --- estrutura ---------------------------------------------------- */

.env {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gut);
  position: relative;
  z-index: 1;
}

.secao { padding-block: clamp(64px, 9vw, 120px); }

.secao + .secao { border-top: 1px solid var(--linha); }

.cabeca-secao {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 48px;
  max-width: 68ch;
}

.pular {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--acento);
  color: #06251a;
  padding: 10px 16px;
  font-weight: 600;
  z-index: 99;
}
.pular:focus { left: 12px; top: 12px; }

/* --- topo --------------------------------------------------------- */

.topo {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--linha);
  background: rgba(10,11,13,.72);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
}

.topo-linha {
  display: flex;
  align-items: center;
  gap: 20px;
  height: 62px;
}

.marca {
  display: inline-flex;
  align-items: baseline;
  gap: 9px;
  font-weight: 600;
  letter-spacing: -.03em;
  font-size: 1.02rem;
}
.marca-pt { color: var(--acento); }
.marca-sufixo {
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--texto-3);
  padding: 3px 7px;
  border: 1px solid var(--linha);
  border-radius: 5px;
  transform: translateY(-1px);
}

.nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav a {
  padding: 8px 12px;
  border-radius: 8px;
  font-size: .93rem;
  color: var(--texto-2);
  transition: color .15s ease, background-color .15s ease;
}
.nav a:hover { color: var(--texto); background: var(--fundo-3); }

@media (max-width: 620px) {
  .nav a.opcional { display: none; }
}

/* --- botoes ------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 18px;
  border-radius: 10px;
  border: 1px solid transparent;
  font-size: .95rem;
  font-weight: 520;
  letter-spacing: -.01em;
  cursor: pointer;
  transition: transform .15s ease, background-color .15s ease,
              border-color .15s ease, color .15s ease;
}
.btn:active { transform: translateY(1px); }

.btn-1 { background: var(--acento); color: #05261a; font-weight: 600; }
.btn-1:hover { background: #55dda1; }

.btn-2 {
  border-color: var(--linha-2);
  color: var(--texto);
  background: transparent;
}
.btn-2:hover { border-color: var(--texto-3); background: var(--fundo-3); }

.seta { transition: transform .18s ease; }
.btn:hover .seta, .link-seta:hover .seta { transform: translateX(3px); }

.link-seta {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: .95rem;
  color: var(--acento);
  font-weight: 520;
}
.link-seta:hover { text-decoration: underline; text-underline-offset: 3px; }

/* --- hero --------------------------------------------------------- */

.hero { padding-block: clamp(72px, 12vw, 148px) clamp(56px, 8vw, 104px); }

.hero-grade { display: grid; gap: 30px; }

.hero h1 { max-width: 22ch; }

.hero .destaque { color: var(--acento); }

.hero-acoes {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}

/* --- selos de principio ------------------------------------------ */

.principios {
  display: grid;
  gap: 1px;
  background: var(--linha);
  border: 1px solid var(--linha);
  border-radius: var(--raio);
  overflow: hidden;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.principio {
  background: var(--fundo);
  padding: 26px 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.principio .rotulo { color: var(--acento); }
.principio p { color: var(--texto-2); font-size: .96rem; }

/* --- grade de casos ---------------------------------------------- */

.casos {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
}

.caso {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--linha);
  border-radius: var(--raio);
  background: linear-gradient(180deg, var(--fundo-2), var(--fundo));
  overflow: hidden;
  transition: border-color .2s ease, transform .2s ease;
}
.caso:hover { border-color: var(--linha-2); transform: translateY(-3px); }

.caso.destaque { grid-column: 1 / -1; }

@media (min-width: 860px) {
  .caso.destaque {
    flex-direction: row;
    align-items: stretch;
  }
  .caso.destaque .caso-placa { width: 42%; flex: none; }
}

/* placa: o "objeto" do caso, desenhado em CSS, sem imagem */
.caso-placa {
  position: relative;
  min-height: 168px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 6px;
  border-bottom: 1px solid var(--linha);
  background:
    linear-gradient(140deg, rgba(62,207,142,.16), rgba(62,207,142,.02) 58%),
    var(--fundo-3);
  overflow: hidden;
}
.caso-placa::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--linha) 1px, transparent 1px),
    linear-gradient(90deg, var(--linha) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(120% 90% at 15% 10%, #000, transparent 72%);
  -webkit-mask-image: radial-gradient(120% 90% at 15% 10%, #000, transparent 72%);
  opacity: .55;
}
@media (min-width: 860px) {
  .caso.destaque .caso-placa {
    border-bottom: 0;
    border-right: 1px solid var(--linha);
    justify-content: center;
  }
}

.placa-metrica {
  position: relative;
  z-index: 1;
  font-size: clamp(2.1rem, 4.4vw, 3.1rem);
  font-weight: 560;
  line-height: 1;
}
.placa-nota { position: relative; z-index: 1; }

.caso-corpo {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex: 1;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.pino {
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: 4px 9px;
  border-radius: 999px;
  border: 1px solid var(--linha-2);
  color: var(--texto-2);
}
.pino-vivo {
  border-color: var(--acento-linha);
  background: var(--acento-fraco);
  color: var(--acento);
}
.pino-vivo::before {
  content: "";
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--acento);
  margin-right: 7px;
  transform: translateY(-1px);
}
.pino-espera { border-style: dashed; color: var(--texto-3); }

.caso-corpo p { color: var(--texto-2); font-size: .98rem; }

.caso-acoes {
  margin-top: auto;
  padding-top: 6px;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
}
.caso-acoes .discreto { color: var(--texto-3); font-size: .92rem; }
.caso-acoes .discreto:hover { color: var(--texto-2); }

.caso.vazio {
  border-style: dashed;
  background: none;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 40px 26px;
  gap: 10px;
  min-height: 220px;
}
.caso.vazio:hover { transform: none; }

/* --- metodo (passos) --------------------------------------------- */

.passos {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  counter-reset: passo;
}
.passo {
  border-top: 1px solid var(--linha-2);
  padding-top: 18px;
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.passo::before {
  counter-increment: passo;
  content: "0" counter(passo);
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--acento);
}
.passo p { color: var(--texto-2); font-size: .96rem; }

/* --- nota --------------------------------------------------------- */

.nota {
  border: 1px solid var(--linha);
  border-left: 2px solid var(--alerta);
  border-radius: 0 var(--raio) var(--raio) 0;
  background: var(--fundo-2);
  padding: 24px 26px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.nota .rotulo { color: var(--alerta); }
.nota p { color: var(--texto-2); max-width: 74ch; }

/* --- pagina de caso ---------------------------------------------- */

.migalhas {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .9rem;
  color: var(--texto-3);
  margin-bottom: 26px;
}
.migalhas a:hover { color: var(--texto); }

.painel-metricas {
  display: grid;
  gap: 1px;
  background: var(--linha);
  border: 1px solid var(--linha);
  border-radius: var(--raio);
  overflow: hidden;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
}
.metrica {
  background: var(--fundo-2);
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.metrica.heroi { background: linear-gradient(160deg, rgba(62,207,142,.16), var(--fundo-2)); }
.metrica-valor { font-size: clamp(1.8rem, 3.6vw, 2.5rem); font-weight: 560; line-height: 1; }
.metrica.heroi .metrica-valor { color: var(--acento); }
.metrica-nota { font-size: .88rem; color: var(--texto-3); }

.prosa { max-width: 70ch; display: flex; flex-direction: column; gap: 20px; }
.prosa p { color: var(--texto-2); }
.prosa h3 { color: var(--texto); margin-top: 14px; }

.tabela-envolve { overflow-x: auto; border: 1px solid var(--linha); border-radius: var(--raio); }
table { width: 100%; border-collapse: collapse; font-size: .95rem; }
thead th {
  text-align: left;
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--texto-3);
  font-weight: 400;
  padding: 14px 18px;
  background: var(--fundo-2);
  border-bottom: 1px solid var(--linha);
  white-space: nowrap;
}
tbody td { padding: 16px 18px; border-bottom: 1px solid var(--linha); color: var(--texto-2); vertical-align: top; }
tbody tr:last-child td { border-bottom: 0; }
tbody td:first-child { color: var(--texto); font-weight: 520; white-space: nowrap; }

.lista { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 14px; }
.lista li { position: relative; padding-left: 26px; color: var(--texto-2); }
.lista li::before {
  content: "";
  position: absolute;
  left: 4px; top: .62em;
  width: 7px; height: 7px;
  border-radius: 2px;
  background: var(--acento);
  opacity: .8;
}
.lista.limites li::before { background: var(--alerta); }

code {
  font-family: var(--mono);
  font-size: .87em;
  background: var(--fundo-3);
  border: 1px solid var(--linha);
  border-radius: 5px;
  padding: 1px 5px;
  color: var(--texto);
}

.cta-faixa {
  border: 1px solid var(--acento-linha);
  background: linear-gradient(140deg, var(--acento-fraco), transparent 70%), var(--fundo-2);
  border-radius: var(--raio);
  padding: clamp(28px, 4vw, 44px);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px 32px;
}
.cta-faixa div { flex: 1 1 320px; display: flex; flex-direction: column; gap: 8px; }

/* --- rodape ------------------------------------------------------- */

.rodape {
  border-top: 1px solid var(--linha);
  padding-block: 44px;
  color: var(--texto-3);
  font-size: .92rem;
}
.rodape-linha {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 32px;
  align-items: center;
}
.rodape a:hover { color: var(--texto-2); }
.rodape .direita { margin-left: auto; display: flex; gap: 20px; flex-wrap: wrap; }

/* --- entrada ------------------------------------------------------ */

.entra {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .6s cubic-bezier(.2,.7,.2,1), transform .6s cubic-bezier(.2,.7,.2,1);
}
.entra.dentro { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .entra { opacity: 1; transform: none; transition: none; }
  .caso:hover { transform: none; }
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}