:root {
  --lima: #8DC63F;
  --lima-claro: #B6DC7E;
  --petroleo: #05474B;
  --petroleo-escuro: #03363A;
  --branco: #FFFFFF;
  --gelo: #F4F7F1;
  --texto: #1B2B2C;
  --texto-suave: #4A5D5E;
  --raio: 14px;
  --sombra: 0 10px 30px rgba(3, 54, 58, .12);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: "Red Hat Display", system-ui, sans-serif;
  color: var(--texto);
  background: var(--branco);
  line-height: 1.6;
  font-size: 17px;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
.container { width: min(1140px, 100% - 32px); margin-inline: auto; }

h1, h2, h3 { line-height: 1.15; font-weight: 900; }
h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); margin-bottom: 1rem; color: var(--petroleo); }

.rotulo {
  text-transform: uppercase; letter-spacing: .14em; font-weight: 700;
  font-size: .8rem; color: var(--lima); margin-bottom: .6rem;
}
.rotulo--claro { color: var(--branco); opacity: .9; }

/* Botões */
.btn {
  display: inline-block; padding: .9rem 1.6rem; border-radius: 999px;
  font-weight: 700; transition: transform .15s, box-shadow .15s, background .15s;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--sombra); }
.btn--lima { background: var(--lima); color: var(--petroleo-escuro); }
.btn--petroleo { background: var(--petroleo); color: var(--branco); }
.btn--contorno { border: 2px solid var(--branco); color: var(--branco); }
.btn--contorno:hover { background: var(--branco); color: var(--petroleo); }
.btn--sm { padding: .55rem 1.1rem; }

/* Cabeçalho */
.topo {
  position: sticky; top: 0; z-index: 50;
  background: var(--petroleo-escuro);
  border-bottom: 3px solid var(--lima);
  transition: box-shadow .25s;
}
.topo.rolado { box-shadow: 0 8px 24px rgba(0,0,0,.25); }
.topo__inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 84px; transition: height .25s;
}
.topo.rolado .topo__inner { height: 68px; }

.marca { display: flex; align-items: center; gap: .8rem; color: var(--branco); }
.marca img { transition: width .25s, height .25s; }
.topo.rolado .marca img { width: 38px; height: 38px; }
.marca__texto { display: flex; flex-direction: column; line-height: 1; }
.marca__texto strong { font-size: 1.55rem; font-weight: 900; letter-spacing: .18em; }
.marca__texto small {
  font-size: .62rem; font-weight: 500; text-transform: uppercase;
  letter-spacing: .2em; color: var(--lima); margin-top: .3rem;
}

.menu { display: flex; align-items: center; gap: 2rem; font-weight: 500; font-size: .95rem; }
.menu a:not(.menu__cta) { color: rgba(255,255,255,.85); position: relative; padding: .3rem 0; transition: color .15s; }
.menu a:not(.menu__cta)::after {
  content: ""; position: absolute; left: 0; bottom: -2px; height: 2px; width: 100%;
  background: var(--lima); transform: scaleX(0); transform-origin: left; transition: transform .2s;
}
.menu a:not(.menu__cta):hover { color: var(--branco); }
.menu a:not(.menu__cta):hover::after { transform: scaleX(1); }
.menu__cta {
  display: inline-flex; align-items: center; gap: .5rem;
  background: var(--lima); color: var(--petroleo-escuro); font-weight: 700;
  padding: .7rem 1.3rem; border-radius: 999px; transition: background .15s, transform .15s;
}
.menu__cta svg { width: 18px; height: 18px; }
.menu__cta:hover { background: var(--lima-claro); transform: translateY(-1px); }

.menu-btn { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.menu-btn span { display: block; width: 26px; height: 2px; background: var(--branco); margin: 6px 0; transition: transform .2s, opacity .2s; }
.menu-btn[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.menu-btn[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-btn[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* Hero */
.hero { background: var(--lima); overflow: hidden; }
.hero__inner {
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 2rem; align-items: end;
  padding-top: clamp(3rem, 8vw, 6rem);
}
.hero__texto { padding-bottom: clamp(3rem, 8vw, 6rem); }
.selo {
  display: inline-block; background: var(--petroleo); color: var(--branco);
  padding: .35rem .9rem; border-radius: 999px; font-size: .85rem; font-weight: 500; margin-bottom: 1.2rem;
}
.hero h1 { font-size: clamp(2.3rem, 5.5vw, 3.8rem); color: var(--petroleo-escuro); margin-bottom: 1.2rem; }
.hero h1 em { font-style: italic; color: var(--branco); text-shadow: 3px 3px 0 var(--petroleo); }
.hero__sub { font-size: 1.15rem; color: var(--petroleo-escuro); max-width: 34rem; margin-bottom: 2rem; }
.hero__acoes { display: flex; flex-wrap: wrap; gap: .8rem; }
.hero__skyline { width: 100%; height: auto; }

/* Quem somos */
.sobre { padding: clamp(4rem, 9vw, 7rem) 0; }
.sobre__inner { display: grid; grid-template-columns: 1fr 1.2fr; gap: 3.5rem; align-items: center; }
.sobre__planta {
  background: var(--petroleo); color: var(--branco); border-radius: var(--raio);
  padding: 2.5rem; aspect-ratio: 4/3; display: grid; place-items: center;
  box-shadow: var(--sombra); position: relative; overflow: hidden;
}
.sobre__planta { padding: 1.8rem; }
.planta { width: 100%; height: auto; }
.planta .pe { stroke-width: 4; }
.planta .pi { stroke-width: 3; }
.planta .pd { stroke-width: 1.4; opacity: .6; stroke-linecap: butt; }
.planta .pm { stroke-width: 1.4; opacity: .85; stroke-linecap: butt; }
.planta text {
  fill: var(--lima); stroke: none; font-size: 11px; font-weight: 700; letter-spacing: .25em;
  font-family: "Red Hat Display", sans-serif;
}
.sobre p { color: var(--texto-suave); margin-bottom: 1rem; }
.sobre strong { color: var(--texto); }
mark {
  background: linear-gradient(transparent 55%, var(--lima-claro) 55%);
  color: var(--texto); font-weight: 700; padding: 0 2px;
}
.credenciais { list-style: none; margin-top: 1.6rem; display: grid; gap: .7rem; }
.credenciais li {
  padding: .8rem 1rem .8rem 2.6rem; background: var(--gelo); border-radius: 10px; position: relative;
}
.credenciais li::before {
  content: ""; position: absolute; left: 1rem; top: 50%; translate: 0 -50%;
  width: 12px; height: 12px; border-radius: 3px; background: var(--lima); rotate: 45deg;
}

/* Serviços */
.servicos { background: var(--lima); padding: clamp(4rem, 9vw, 7rem) 0; }
.titulo-destaque {
  font-style: italic; color: var(--branco); text-shadow: 3px 3px 0 var(--petroleo);
  font-size: clamp(2.2rem, 5vw, 3.2rem); margin-bottom: 2.5rem;
}
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; }
.card {
  background: var(--branco); border-radius: var(--raio); padding: 1.8rem 1.5rem;
  box-shadow: var(--sombra); transition: transform .2s;
}
.card:hover { transform: translateY(-4px); }
.card svg {
  width: 48px; height: 48px; margin-bottom: 1rem;
  fill: none; stroke: var(--petroleo); stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round;
}
.card h3 { font-size: 1.2rem; color: var(--petroleo); margin-bottom: .5rem; }
.card p { color: var(--texto-suave); font-size: .97rem; }

/* Por que investir */
.porque {
  background: radial-gradient(circle at 20% 10%, #0B5A5F 0, var(--petroleo-escuro) 60%);
  color: var(--branco); padding: clamp(4rem, 9vw, 7rem) 0; text-align: center;
}
.porque__titulo { color: var(--branco); font-size: clamp(2rem, 5vw, 3.2rem); font-style: italic; margin-bottom: 2.8rem; }
.porque__titulo span { color: var(--lima); }
.beneficios {
  list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-bottom: 2.8rem;
}
.beneficios li {
  border: 1px solid rgba(141,198,63,.35); border-radius: var(--raio); padding: 1.6rem 1rem;
  text-transform: uppercase; font-weight: 900; font-style: italic; letter-spacing: .02em; font-size: 1.05rem;
  display: flex; flex-direction: column; gap: .1rem;
}
.beneficios li span { color: var(--lima); }

/* Obras */
.obras { padding: clamp(4rem, 9vw, 7rem) 0; background: var(--gelo); }
.galeria { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; margin-top: 1.5rem; }
.obra { background: var(--branco); border-radius: var(--raio); overflow: hidden; box-shadow: var(--sombra); }
.obra__foto, .obra img {
  aspect-ratio: 4/3; width: 100%; object-fit: cover;
  display: grid; place-items: center; color: var(--texto-suave);
  background: repeating-linear-gradient(45deg, #E6ECE1 0 12px, #EEF2EA 12px 24px);
}
.obra figcaption { padding: 1rem 1.2rem; display: grid; }
.obra figcaption strong { color: var(--petroleo); }
.obra figcaption span { color: var(--texto-suave); font-size: .92rem; }

/* Contato */
.contato { background: var(--petroleo); color: var(--branco); padding: clamp(4rem, 9vw, 6rem) 0; }
.contato__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.contato h2 { color: var(--branco); }
.contato p { opacity: .85; }
.contato__canais { display: grid; gap: .8rem; }
.canal {
  display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap;
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.15);
  border-radius: var(--raio); padding: 1.1rem 1.4rem; transition: background .15s, border-color .15s;
}
.canal:hover { background: rgba(141,198,63,.15); border-color: var(--lima); }
.canal__tipo { font-weight: 700; color: var(--lima); }

/* Rodapé */
.rodape { background: var(--petroleo-escuro); color: rgba(255,255,255,.7); padding: 2rem 0; font-size: .9rem; }
.rodape__inner { display: flex; flex-wrap: wrap; gap: 1rem 2rem; align-items: center; justify-content: space-between; }
.marca--rodape { color: var(--branco); font-size: .85rem; }
.credito {
  background: #022A2D; border-top: 1px solid rgba(141,198,63,.3);
  color: rgba(255,255,255,.6); font-size: .9rem; padding: 1.1rem 0;
}
.credito__inner { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: .5rem 1.4rem; }
.credito strong { color: #FFFFFF; font-weight: 700; }
.credito a {
  display: inline-flex; align-items: center; gap: .4rem;
  color: var(--lima); font-weight: 700; transition: color .15s;
}
.credito a:hover { color: var(--lima-claro); }
.credito a svg { width: 16px; height: 16px; }

/* WhatsApp flutuante */
.whats-flutuante {
  position: fixed; right: 20px; bottom: 20px; z-index: 60;
  width: 58px; height: 58px; border-radius: 50%; background: #25D366; color: #fff;
  display: grid; place-items: center; box-shadow: 0 8px 24px rgba(0,0,0,.25); transition: transform .15s;
}
.whats-flutuante:hover { transform: scale(1.08); }
.whats-flutuante svg { width: 32px; height: 32px; }

/* =========================================================
   ANIMAÇÕES
   ========================================================= */

/* barra de progresso de rolagem (no cabeçalho) */
.topo { border-bottom-color: rgba(141,198,63,.25); }
.progresso {
  position: absolute; left: 0; right: 0; bottom: -3px; height: 3px;
  background: var(--lima); transform: scaleX(0); transform-origin: left;
  box-shadow: 0 0 10px rgba(141,198,63,.7);
}

/* malha de prancheta no fundo do hero */
.hero {
  position: relative;
  background-color: var(--lima);
  background-image:
    linear-gradient(rgba(255,255,255,.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.16) 1px, transparent 1px);
  background-size: 40px 40px;
  animation: malha 18s linear infinite;
}
@keyframes malha { to { background-position: 40px 40px; } }

/* entrada do texto do hero */
.hero__texto > * { animation: subir .8s cubic-bezier(.2,.7,.2,1) both; }
.hero__texto > :nth-child(2) { animation-delay: .12s; }
.hero__texto > :nth-child(3) { animation-delay: .24s; }
.hero__texto > :nth-child(4) { animation-delay: .36s; }
@keyframes subir { from { opacity: 0; transform: translateY(30px); } }

/* prédios sobem do chão */
.predio {
  transform-box: fill-box; transform-origin: bottom;
  animation: erguer 1.1s cubic-bezier(.3,1.3,.5,1) both;
  animation-delay: calc(.3s + var(--d, 0s));
}
@keyframes erguer { from { transform: scaleY(0); } }

/* janelas acendendo */
.luz { animation: luz 4s ease-in-out infinite 1.8s; }
@keyframes luz { 0%, 40%, 100% { fill: #05474B; } 50%, 85% { fill: #F4D35E; } }

/* guindaste: farol piscando + carrinho levando a viga */
.guindaste { animation: subir 1s ease both .1s; }
.farol { animation: piscar 1.4s steps(1) infinite; }
@keyframes piscar { 50% { opacity: .15; } }
/* ciclo: viga suspensa à direita → carrinho vem pra ponta → desce e pousa
   no telhado do prédio do meio → sobe → volta. Trajetos calculados pra
   não encostar na antena nem no prédio alto. */
.trole { animation: trole 10s ease-in-out 1.6s infinite both; }
.cabo  { transform-box: fill-box; transform-origin: top; animation: cabo 10s ease-in-out 1.6s infinite both; }
.carga { animation: carga 10s ease-in-out 1.6s infinite both; }
@keyframes trole {
  0%, 15%   { transform: translateX(53px); }
  35%, 74%  { transform: translateX(0); }
  92%, 100% { transform: translateX(53px); }
}
@keyframes cabo {
  0%, 38%   { transform: scaleY(1); }
  50%, 62%  { transform: scaleY(5.375); }
  74%, 100% { transform: scaleY(1); }
}
@keyframes carga {
  0%, 38%   { transform: translateY(0); }
  50%, 62%  { transform: translateY(70px); }
  74%, 100% { transform: translateY(0); }
}

/* faixa zebrada de obra, correndo */
.faixa {
  height: 14px;
  background: repeating-linear-gradient(-45deg, var(--petroleo-escuro) 0 18px, var(--lima) 18px 36px) 0 0 / 50.91px 50.91px;
  animation: faixa 1.6s linear infinite;
}
.faixa--reversa { animation-direction: reverse; }
@keyframes faixa { to { background-position: 50.91px 0; } }

/* elementos que aparecem ao rolar */
.revelar { opacity: 0; transform: translateY(36px); }
.revelar.visivel {
  opacity: 1; transform: none;
  transition: opacity .7s ease, transform .8s cubic-bezier(.2,.7,.2,1);
  transition-delay: calc(var(--i, 0) * .1s);
}

/* planta e ícones se desenhando */
.desenhar *, .card svg * { stroke-dasharray: 1; stroke-dashoffset: 1; }
.ativo .desenhar *, .card.ativo svg * {
  stroke-dashoffset: 0;
  transition: stroke-dashoffset 2.2s cubic-bezier(.6,.1,.3,1) .3s;
}
.card.ativo svg * { transition-duration: 1.2s; transition-delay: calc(var(--i, 0) * .1s + .4s); }

/* scanner passando pela planta */
.sobre__planta::before {
  content: ""; position: absolute; left: 0; right: 0; height: 40%; top: -40%;
  background: linear-gradient(transparent, rgba(141,198,63,.25), transparent);
  animation: scanner 4.5s ease-in-out infinite 2.5s;
}
@keyframes scanner { to { top: 100%; } }

/* cota (linha de medida) */
.cota { width: min(320px, 70%); height: 16px; margin: -1.6rem auto 2.6rem; position: relative; }
.cota::before, .cota::after {
  content: ""; position: absolute; top: 0; width: 2px; height: 16px; background: var(--lima);
}
.cota::before { left: 0; } .cota::after { right: 0; }
.cota span {
  position: absolute; left: 0; right: 0; top: 7px; height: 2px; background: var(--lima);
  transform: scaleX(0); transition: transform 1.2s cubic-bezier(.6,.1,.3,1) .3s;
}
.cota.ativo span { transform: scaleX(1); }

/* engrenagens girando no fundo */
.porque { position: relative; overflow: hidden; }
.porque .container { position: relative; z-index: 1; }
.engrenagem {
  position: absolute; fill: none; stroke: var(--lima); opacity: .09; width: 300px;
}
.engrenagem--a { top: -70px; right: -60px; animation: girar 24s linear infinite; }
.engrenagem--b { bottom: -110px; left: -90px; width: 380px; animation: girar 30s linear infinite reverse; }
@keyframes girar { to { transform: rotate(360deg); } }

/* malha também no "por que" */
.porque {
  background:
    linear-gradient(rgba(141,198,63,.06) 1px, transparent 1px) 0 0 / 40px 40px,
    linear-gradient(90deg, rgba(141,198,63,.06) 1px, transparent 1px) 0 0 / 40px 40px,
    radial-gradient(circle at 20% 10%, #0B5A5F 0, var(--petroleo-escuro) 60%);
}

/* benefícios: hover */
.beneficios li { transition: background .2s, border-color .2s, transform .2s; }
.beneficios li:hover { background: rgba(141,198,63,.12); border-color: var(--lima); transform: translateY(-4px); }

/* cards: barra lima que cresce no hover */
.card { position: relative; overflow: hidden; }
.card::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 4px; width: 100%;
  background: var(--lima); transform: scaleX(0); transform-origin: left; transition: transform .3s;
}
.card:hover::after { transform: scaleX(1); }

/* WhatsApp: pulso */
.whats-flutuante::before {
  content: ""; position: absolute; inset: 0; border-radius: 50%; background: #25D366;
  z-index: -1; animation: pulso 2.2s ease-out infinite;
}
@keyframes pulso { to { transform: scale(1.7); opacity: 0; } }

/* acessibilidade: quem prefere menos movimento */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .revelar { opacity: 1; transform: none; }
  .desenhar *, .card svg * { stroke-dashoffset: 0; }
  .cota span { transform: none; }
}

/* Responsivo */
@media (max-width: 960px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .galeria { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  .menu-btn { display: block; }
  .topo__inner, .topo.rolado .topo__inner { height: 68px; }
  .marca img, .topo.rolado .marca img { width: 38px; height: 38px; }
  .marca__texto strong { font-size: 1.3rem; }
  .menu {
    position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; gap: 0;
    background: var(--petroleo-escuro); border-bottom: 3px solid var(--lima);
    max-height: 0; overflow: hidden; transition: max-height .3s;
  }
  .menu.aberto { max-height: 420px; }
  .menu a:not(.menu__cta) { padding: 1rem; width: 100%; text-align: center; border-top: 1px solid rgba(255,255,255,.06); }
  .menu a:not(.menu__cta)::after { display: none; }
  .menu__cta { margin: 1rem 0 1.3rem; }
  .hero__inner, .sobre__inner, .contato__inner { grid-template-columns: 1fr; }
  .hero__texto { padding-bottom: 0; }
  .hero__skyline { max-width: 420px; margin-inline: auto; }
  .beneficios { grid-template-columns: repeat(2, 1fr); }
  .cards, .galeria { grid-template-columns: 1fr; }
}

/* =========================================================
   MARCA (fonte da logo) + BASE MOBILE
   ========================================================= */
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; touch-action: pan-x pan-y; }
html, body { max-width: 100%; overflow-x: hidden; }
@supports (overflow-x: clip) { html, body { overflow-x: clip; } }
body { -webkit-tap-highlight-color: transparent; }

.marca__texto strong {
  font-family: "Saira", "Red Hat Display", sans-serif; font-weight: 800;
  font-size: 1.7rem; letter-spacing: .06em; line-height: .95;
}
.marca__texto small {
  font-family: "Saira", "Red Hat Display", sans-serif; font-weight: 700;
  font-size: .72rem; letter-spacing: .32em; margin-top: .25rem; color: var(--lima);
}
.marca--rodape span { font-family: "Saira", sans-serif; font-weight: 700; letter-spacing: .12em; }

/* =========================================================
   CELULAR: tudo centralizado e simétrico
   ========================================================= */
@media (max-width: 760px) {
  body { font-size: 16px; }
  .marca__texto strong { font-size: 1.4rem; }
  .marca__texto small { font-size: .62rem; }

  .hero__inner { padding-top: 2.5rem; gap: 2rem; }
  .hero__texto { text-align: center; }
  .hero h1 { font-size: clamp(2rem, 9.5vw, 2.6rem); }
  .hero__sub { margin-inline: auto; font-size: 1.05rem; }
  .hero__acoes { flex-direction: column; align-items: stretch; max-width: 340px; margin-inline: auto; }
  .hero__acoes .btn { text-align: center; }
  .hero__skyline { max-width: 100%; }

  .sobre__inner { gap: 2.5rem; text-align: center; }
  .sobre__planta { padding: 1.2rem; }
  .credenciais li { text-align: left; }

  .servicos .container, .obras .container { text-align: center; }
  .titulo-destaque { margin-bottom: 2rem; }
  .card { text-align: center; }
  .card svg { margin-inline: auto; }

  .beneficios { gap: .7rem; }
  .beneficios li { font-size: .88rem; padding: 1.2rem .6rem; }

  .obra { text-align: left; }

  .contato__inner { text-align: center; gap: 2rem; }
  .canal { justify-content: center; flex-direction: column; gap: .2rem; text-align: center; }

  .rodape__inner { flex-direction: column; text-align: center; justify-content: center; }
  .marca--rodape { justify-content: center; }
  .credito { padding-bottom: 5.5rem; } /* espaço pro botão flutuante não cobrir o crédito */

  .whats-flutuante { right: 16px; bottom: 16px; width: 54px; height: 54px; }
}
@media (max-width: 380px) {
  .beneficios { grid-template-columns: 1fr; }
  .marca__texto small { letter-spacing: .22em; }
}