@import url('https://fonts.googleapis.com/css2?family=Archivo:wdth,wght@75..125,400..900&family=IBM+Plex+Mono:wght@400;500&family=IBM+Plex+Sans:wght@400;500;600&display=swap');

/* =========================================================
   SISTEMA DE DESIGN — "Telemetria"
   Paleta derivada da iluminação pública: vapor de sódio
   (âmbar) sobre asfalto noturno, com leitura fria de dados.
   ========================================================= */
:root {
  --noite:      #0b0e13;
  --asfalto:    #12171f;
  --asfalto-2:  #171d27;
  --traco:      #242c3a;
  --traco-forte:#33405480;
  --sodio:      #ffb13b;
  --sodio-fraco:#ffb13b1f;
  --mercurio:   #7fd1d6;
  --nevoa:      #ccd4e0;
  --nevoa-2:    #7f8b9e;

  --display: 'Archivo', system-ui, sans-serif;
  --corpo:   'IBM Plex Sans', system-ui, sans-serif;
  --dado:    'IBM Plex Mono', ui-monospace, monospace;

  --max: 1140px;
  --gut: clamp(20px, 5vw, 48px);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  background: var(--noite);
  color: var(--nevoa);
  font-family: var(--corpo);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

::selection { background: var(--sodio); color: var(--noite); }

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

/* ---------- Tipografia utilitária ---------- */
.display {
  font-family: var(--display);
  font-variation-settings: 'wdth' 118;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.015em;
  line-height: 0.96;
  color: #fff;
}

.rotulo {
  font-family: var(--dado);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--sodio);
}

.rotulo-frio { color: var(--mercurio); }

.mono { font-family: var(--dado); }

.suave { color: var(--nevoa-2); }

/* ---------- Layout ---------- */
.wrap {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding-left: var(--gut);
  padding-right: var(--gut);
}

.sec { padding-block: clamp(64px, 9vw, 118px); }
.sec--curta { padding-block: clamp(44px, 6vw, 76px); }

.sec-cabeca {
  display: flex;
  align-items: baseline;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 40px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--traco);
}
.sec-cabeca h2 {
  font-family: var(--display);
  font-variation-settings: 'wdth' 112;
  font-weight: 700;
  text-transform: uppercase;
  font-size: clamp(1.5rem, 3.4vw, 2.15rem);
  letter-spacing: -0.01em;
  line-height: 1;
  color: #fff;
}
.sec-cabeca .contagem {
  margin-left: auto;
  font-family: var(--dado);
  font-size: 0.72rem;
  color: var(--nevoa-2);
  letter-spacing: 0.08em;
}

/* ---------- Barra superior ---------- */
.topo {
  position: sticky;
  top: 0;
  z-index: 60;
  background: color-mix(in srgb, var(--noite) 88%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--traco);
}
.topo-in {
  display: flex;
  align-items: center;
  gap: 20px;
  height: 62px;
}
.marca {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--display);
  font-variation-settings: 'wdth' 115;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  color: #fff;
}
.pisca {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--sodio);
  box-shadow: 0 0 0 0 var(--sodio-fraco), 0 0 12px 2px #ffb13b80;
  animation: pulso 2.6s ease-in-out infinite;
  flex: none;
}
@keyframes pulso {
  0%, 100% { opacity: 1;   box-shadow: 0 0 12px 2px #ffb13b66; }
  50%      { opacity: .45; box-shadow: 0 0 4px 0 #ffb13b33; }
}

.menu { margin-left: auto; display: flex; gap: 26px; align-items: center; }
.menu a {
  font-family: var(--dado);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--nevoa-2);
  padding-block: 4px;
  border-bottom: 1px solid transparent;
  transition: color .2s, border-color .2s;
}
.menu a:hover, .menu a.ativo { color: var(--sodio); border-bottom-color: var(--sodio); }

.abrir-menu {
  display: none;
  margin-left: auto;
  background: none;
  border: 1px solid var(--traco);
  color: var(--nevoa);
  border-radius: 4px;
  padding: 7px 11px;
  font-family: var(--dado);
  font-size: .72rem;
  letter-spacing: .1em;
  cursor: pointer;
}

/* ---------- HERO: malha de luminárias ---------- */
.hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--traco); }

.malha {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: .95;
  pointer-events: none;
  background-image:
    linear-gradient(to right,  #ffffff05 1px, transparent 1px),
    linear-gradient(to bottom, #ffffff05 1px, transparent 1px);
  background-size: 68px 68px;
}
.luz {
  position: absolute;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #2b3444;
  transition: background .5s ease, box-shadow .7s ease;
}
.luz.acesa {
  background: #ffd08a;
  box-shadow: 0 0 7px 2px #ffb13bcc, 0 0 26px 8px #ffb13b45, 0 0 62px 20px #ffb13b1c;
}
.luz.falha { background: var(--mercurio); box-shadow: 0 0 8px 2px #7fd1d666; }

.hero-in {
  position: relative;
  z-index: 1;
  padding-block: clamp(72px, 13vw, 150px);
}
.hero h1 {
  font-family: var(--display);
  font-variation-settings: 'wdth' 118;
  font-weight: 800;
  text-transform: uppercase;
  font-size: clamp(2.5rem, 8.6vw, 5.6rem);
  line-height: 0.9;
  letter-spacing: -0.03em;
  color: #fff;
  margin: 18px 0 24px;
}
.hero h1 em {
  font-style: normal;
  color: var(--sodio);
}
.hero .chamada {
  font-size: clamp(1.12rem, 2.2vw, 1.45rem);
  line-height: 1.45;
  max-width: 46ch;
  color: var(--sodio);
  margin-bottom: 20px;
}

.hero .tese {
  font-size: clamp(1.02rem, 1.9vw, 1.22rem);
  max-width: 60ch;
  color: var(--nevoa);
}
.hero .tese strong { color: #fff; font-weight: 600; }

.hero-acoes { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--dado);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 13px 22px;
  border: 1px solid var(--traco);
  border-radius: 3px;
  color: var(--nevoa);
  transition: all .2s ease;
}
.btn:hover { border-color: var(--sodio); color: var(--sodio); }
.btn--forte {
  background: var(--sodio);
  border-color: var(--sodio);
  color: var(--noite);
  font-weight: 500;
}
.btn--forte:hover { background: #ffc366; border-color: #ffc366; color: var(--noite); }

/* ---------- Régua de indicadores ---------- */
.regua {
  border-top: 1px solid var(--traco);
  border-bottom: 1px solid var(--traco);
  background: var(--asfalto);
}
.regua-grade {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.regua-item {
  padding: 26px 22px;
  border-left: 1px solid var(--traco);
}
.regua-item:first-child { border-left: 0; }
.regua-item .n {
  font-family: var(--display);
  font-variation-settings: 'wdth' 108;
  font-weight: 700;
  font-size: clamp(1.6rem, 3.6vw, 2.4rem);
  line-height: 1;
  color: #fff;
}
.regua-item .n span { color: var(--sodio); }
.regua-item .l {
  font-family: var(--dado);
  font-size: 0.68rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--nevoa-2);
  margin-top: 9px;
  display: block;
}

/* ---------- Texto de duas colunas ---------- */
.duas-colunas {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: clamp(28px, 5vw, 72px);
  align-items: start;
}
.duas-colunas p + p { margin-top: 1.1em; }
.duas-colunas .lado-nota {
  font-family: var(--dado);
  font-size: 0.8rem;
  line-height: 1.8;
  color: var(--nevoa-2);
  border-left: 2px solid var(--sodio);
  padding-left: 18px;
}

/* ---------- Casos ---------- */
.casos { display: grid; gap: 22px; }
.caso {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: clamp(20px, 4vw, 48px);
  padding: clamp(24px, 3.4vw, 38px);
  background: var(--asfalto);
  border: 1px solid var(--traco);
  border-radius: 5px;
  transition: border-color .25s ease, transform .25s ease, background .25s ease;
}
.caso:hover {
  border-color: #3d4a60;
  background: var(--asfalto-2);
  transform: translateY(-2px);
}
.caso-meta { font-family: var(--dado); font-size: 0.74rem; line-height: 1.9; color: var(--nevoa-2); }
.caso-meta b { display: block; color: var(--sodio); font-weight: 500; letter-spacing: .1em; text-transform: uppercase; font-size: .68rem; }
.caso-meta .bloco + .bloco { margin-top: 14px; }
.caso h3 {
  font-family: var(--display);
  font-variation-settings: 'wdth' 112;
  font-weight: 700;
  text-transform: uppercase;
  font-size: clamp(1.25rem, 2.6vw, 1.65rem);
  line-height: 1.05;
  color: #fff;
  margin-bottom: 12px;
}
.caso p { color: var(--nevoa); margin-bottom: 16px; }
.caso .ir {
  font-family: var(--dado);
  font-size: .74rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--sodio);
  display: inline-flex;
  gap: 8px;
  align-items: center;
}
.caso:hover .ir { gap: 14px; }
.caso .ir span { transition: all .2s; }

.tags { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 18px; }
.tag {
  font-family: var(--dado);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  color: var(--nevoa-2);
  border: 1px solid var(--traco);
  border-radius: 2px;
  padding: 3px 9px;
}
.tag--q { color: var(--mercurio); border-color: #7fd1d63d; }

/* ---------- Timeline (linha de postes) ---------- */
.linha { position: relative; padding-left: 30px; }
.linha::before {
  content: '';
  position: absolute;
  left: 4px; top: 8px; bottom: 8px;
  width: 1px;
  background: linear-gradient(to bottom, var(--sodio) 0%, var(--traco) 18%, var(--traco) 100%);
}
.parada { position: relative; padding-bottom: 42px; }
.parada:last-child { padding-bottom: 0; }
.parada::before {
  content: '';
  position: absolute;
  left: -30px; top: 9px;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--noite);
  border: 1px solid var(--traco);
}
.parada--atual::before {
  background: var(--sodio);
  border-color: var(--sodio);
  box-shadow: 0 0 14px 3px #ffb13b55;
}
.parada .quando {
  font-family: var(--dado);
  font-size: 0.72rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--nevoa-2);
}
.parada h3 {
  font-family: var(--display);
  font-variation-settings: 'wdth' 110;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 1.1rem;
  color: #fff;
  margin: 5px 0 2px;
}
.parada .onde { font-size: 0.92rem; color: var(--sodio); margin-bottom: 10px; }
.parada ul { list-style: none; }
.parada li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 6px;
  font-size: 0.95rem;
}
.parada li::before {
  content: '';
  position: absolute;
  left: 0; top: 0.72em;
  width: 7px; height: 1px;
  background: var(--nevoa-2);
}

/* ---------- Stack ---------- */
.stack { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1px; background: var(--traco); border: 1px solid var(--traco); border-radius: 5px; overflow: hidden; }
.stack-bloco { background: var(--asfalto); padding: 24px 22px; }
.stack-bloco h4 {
  font-family: var(--dado);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sodio);
  margin-bottom: 14px;
  font-weight: 500;
}
.stack-bloco ul { list-style: none; }
.stack-bloco li {
  font-size: 0.9rem;
  color: var(--nevoa);
  padding: 3px 0;
  border-bottom: 1px dotted #ffffff0d;
}
.stack-bloco li:last-child { border-bottom: 0; }

/* ---------- Formação ---------- */
.formacao { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.ficha {
  border: 1px solid var(--traco);
  border-radius: 5px;
  padding: 26px 24px;
  background: var(--asfalto);
}
.ficha h3 {
  font-family: var(--display);
  font-variation-settings: 'wdth' 110;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 1.05rem;
  color: #fff;
  margin-bottom: 4px;
}
.ficha .sub { font-family: var(--dado); font-size: .74rem; color: var(--nevoa-2); letter-spacing: .06em; margin-bottom: 16px; }
.ficha ul { list-style: none; }
.ficha li { font-size: .92rem; padding: 6px 0; border-top: 1px solid #ffffff0a; }
.ficha li:first-child { border-top: 0; }
.ficha li b { color: var(--sodio); font-weight: 500; font-family: var(--dado); font-size: .74rem; letter-spacing: .06em; }

/* ---------- Contato ---------- */
.contato {
  border-top: 1px solid var(--traco);
  background: var(--asfalto);
}
.contato h2 {
  font-family: var(--display);
  font-variation-settings: 'wdth' 120;
  font-weight: 800;
  text-transform: uppercase;
  font-size: clamp(2rem, 6.5vw, 4rem);
  line-height: .92;
  color: #fff;
  margin-bottom: 22px;
}
.contato h2 em { font-style: normal; color: var(--sodio); }
.canais { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }

footer {
  border-top: 1px solid var(--traco);
  padding-block: 26px;
  font-family: var(--dado);
  font-size: .72rem;
  color: var(--nevoa-2);
  letter-spacing: .05em;
}
.rodape-in { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* =========================================================
   PÁGINAS DE CASO
   ========================================================= */
.caso-topo { border-bottom: 1px solid var(--traco); }
.caso-topo .voltar {
  font-family: var(--dado);
  font-size: .74rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--nevoa-2);
}
.caso-topo .voltar:hover { color: var(--sodio); }
.caso-topo h1 {
  font-family: var(--display);
  font-variation-settings: 'wdth' 120;
  font-weight: 800;
  text-transform: uppercase;
  font-size: clamp(2rem, 6.4vw, 3.9rem);
  line-height: .92;
  letter-spacing: -0.025em;
  color: #fff;
  margin: 18px 0 20px;
}
.caso-topo .resumo { font-size: clamp(1rem, 1.8vw, 1.15rem); max-width: 62ch; }

.ficha-tecnica {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1px;
  background: var(--traco);
  border: 1px solid var(--traco);
  border-radius: 5px;
  overflow: hidden;
  margin-top: 38px;
}
.ficha-tecnica div { background: var(--asfalto); padding: 18px 20px; }
.ficha-tecnica dt {
  font-family: var(--dado);
  font-size: .66rem;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--nevoa-2);
  margin-bottom: 6px;
}
.ficha-tecnica dd { font-size: .93rem; color: #fff; }

.prosa { max-width: 74ch; }
.prosa p { margin-bottom: 1.15em; }
.prosa h3 {
  font-family: var(--display);
  font-variation-settings: 'wdth' 110;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 1.15rem;
  color: #fff;
  margin: 2.2em 0 .7em;
}
.prosa ul { list-style: none; margin: 0 0 1.3em; }
.prosa li { position: relative; padding-left: 20px; margin-bottom: .5em; }
.prosa li::before {
  content: '';
  position: absolute; left: 0; top: .72em;
  width: 8px; height: 1px; background: var(--sodio);
}
.prosa code {
  font-family: var(--dado);
  font-size: .86em;
  background: #ffffff0a;
  border: 1px solid var(--traco);
  border-radius: 3px;
  padding: 1px 6px;
  color: var(--mercurio);
}
.prosa strong { color: #fff; font-weight: 600; }

.diagrama {
  border: 1px solid var(--traco);
  border-radius: 5px;
  background: var(--asfalto);
  padding: clamp(16px, 3vw, 30px);
  margin: 34px 0;
}
.diagrama svg { width: 100%; height: auto; }
.diagrama figcaption {
  font-family: var(--dado);
  font-size: .72rem;
  color: var(--nevoa-2);
  letter-spacing: .05em;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--traco);
}

.decisoes { display: grid; gap: 16px; }
.adr {
  border: 1px solid var(--traco);
  border-left: 2px solid var(--sodio);
  border-radius: 4px;
  background: var(--asfalto);
  padding: 22px 24px;
}
.adr .id {
  font-family: var(--dado);
  font-size: .68rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--sodio);
}
.adr h4 {
  font-family: var(--display);
  font-variation-settings: 'wdth' 108;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 1rem;
  color: #fff;
  margin: 6px 0 12px;
}
.adr dl { display: grid; gap: 10px; }
.adr dt {
  font-family: var(--dado);
  font-size: .66rem;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--nevoa-2);
}
.adr dd { font-size: .93rem; }

.resultados { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 18px; }
.resultado {
  border: 1px solid var(--traco);
  border-radius: 5px;
  padding: 22px;
  background: var(--asfalto);
}
.resultado .n {
  font-family: var(--display);
  font-variation-settings: 'wdth' 108;
  font-weight: 700;
  font-size: 1.8rem;
  color: var(--sodio);
  line-height: 1;
}
.resultado .l { font-size: .88rem; color: var(--nevoa-2); margin-top: 8px; }

.aviso {
  font-family: var(--dado);
  font-size: .74rem;
  line-height: 1.7;
  color: var(--nevoa-2);
  border: 1px dashed #4a5568;
  border-radius: 4px;
  padding: 14px 16px;
  margin: 26px 0;
}
.aviso b { color: var(--sodio); }

.proximo {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  border-top: 1px solid var(--traco);
  padding-top: 30px;
  margin-top: 20px;
}

/* ---------- Revelação no scroll ---------- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visivel { opacity: 1; transform: none; }

/* ---------- Responsivo ---------- */
@media (max-width: 860px) {
  .duas-colunas { grid-template-columns: 1fr; }
  .caso { grid-template-columns: 1fr; }
  .caso-meta { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 14px; }
  .caso-meta .bloco + .bloco { margin-top: 0; }
  .regua-grade { grid-template-columns: repeat(2, 1fr); }
  .regua-item:nth-child(3) { border-left: 0; }
  .regua-item:nth-child(n+3) { border-top: 1px solid var(--traco); }
}

@media (max-width: 680px) {
  .abrir-menu { display: block; }
  .menu {
    position: fixed;
    inset: 62px 0 auto 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--asfalto);
    border-bottom: 1px solid var(--traco);
    padding: 8px var(--gut) 20px;
    display: none;
  }
  .menu.aberto { display: flex; }
  .menu a { padding: 12px 0; width: 100%; border-bottom: 1px solid var(--traco); }
  .menu a:hover, .menu a.ativo { border-bottom-color: var(--traco); }
  .hero h1 { letter-spacing: -0.02em; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}