/* ==========================================================================
   VICTAB | Venda de Inertes - Nacala-Porto
   Folha de estilos principal
   Paleta: cinza escuro #3F3D42 | cinza medio #68676B | branco #FFFFFF
   ========================================================================== */

:root{
  --cinza-escuro:#3F3D42;
  --cinza-medio:#68676B;
  --cinza-claro:#C9C8CC;
  --cinza-fundo:#EFEFF1;
  --branco:#FFFFFF;
  --ambar:#9E3525;
  --linha:rgba(255,255,255,.14);
  --linha-clara:rgba(63,61,66,.16);
  --largura:1180px;
  --transicao:.25s ease;
}

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

html{scroll-behavior:smooth;scroll-padding-top:110px}

body{
  font-family:"Barlow","Helvetica Neue",Arial,sans-serif;
  font-size:17px;
  line-height:1.65;
  color:var(--branco);
  background:var(--cinza-escuro);
  -webkit-font-smoothing:antialiased;
}

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

h1,h2,h3,h4{
  font-family:"Barlow Condensed","Arial Narrow",Arial,sans-serif;
  font-weight:700;
  line-height:1.1;
  letter-spacing:.5px;
}
h1{font-size:clamp(2.4rem,6vw,4.2rem)}
h2{font-size:clamp(1.9rem,4vw,2.9rem)}
h3{font-size:1.45rem}

p{max-width:72ch}

.container{width:100%;max-width:var(--largura);margin:0 auto;padding:0 22px}

.seccao{padding:78px 0}
.seccao--clara{background:var(--cinza-fundo);color:var(--cinza-escuro)}
.seccao--media{background:var(--cinza-medio)}

.titulo-seccao{margin-bottom:10px}
.subtitulo-seccao{color:var(--cinza-claro);margin-bottom:38px;max-width:64ch}
.seccao--clara .subtitulo-seccao{color:var(--cinza-medio)}

.risco{width:64px;height:5px;background:var(--ambar);margin-bottom:20px}

/* ---------- Barra superior ---------- */
.barra-topo{
  background:#333136;
  font-size:.85rem;
  color:var(--cinza-claro);
  border-bottom:1px solid var(--linha);
}
.barra-topo .container{
  display:flex;flex-wrap:wrap;gap:8px 26px;
  align-items:center;justify-content:space-between;
  min-height:42px;
}
.barra-topo a:hover{color:var(--branco)}

/* ---------- Cabecalho / navegacao ---------- */
.cabecalho{
  position:sticky;top:0;z-index:60;
  background:var(--cinza-escuro);
  border-bottom:1px solid var(--linha);
}
.cabecalho .container{
  display:flex;align-items:center;justify-content:space-between;
  min-height:76px;gap:20px;
}
.logo img{height:52px;width:auto}

.menu{display:flex;align-items:center;gap:4px}
.menu > li{position:relative}
.menu > li > a{
  display:block;
  padding:14px 14px;
  font-family:"Barlow Condensed",Arial,sans-serif;
  font-size:1.12rem;
  font-weight:600;
  letter-spacing:.6px;
  color:var(--branco);
  border-bottom:3px solid transparent;
  transition:var(--transicao);
}
.menu > li > a:hover,
.menu > li > a:focus-visible,
.menu > li.activo > a{border-bottom-color:var(--ambar)}

.tem-submenu > a::after{content:"";display:inline-block;margin-left:8px;border:5px solid transparent;border-top-color:currentColor;transform:translateY(3px)}

.submenu{
  position:absolute;left:0;top:100%;
  min-width:264px;
  background:#333136;
  border:1px solid var(--linha);
  border-top:3px solid var(--ambar);
  padding:8px 0;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:var(--transicao);
}
.tem-submenu:hover .submenu,
.tem-submenu:focus-within .submenu,
.submenu.aberto{opacity:1;visibility:visible;transform:translateY(0)}
.submenu a{display:block;padding:10px 18px;font-size:.95rem;color:var(--cinza-claro)}
.submenu a:hover{background:var(--cinza-medio);color:var(--branco)}

.btn-menu{
  display:none;background:transparent;border:1px solid var(--linha);
  color:var(--branco);padding:10px 14px;cursor:pointer;font-size:1.3rem;line-height:1;
}

/* ---------- Botoes ---------- */
.btn{
  display:inline-block;
  padding:14px 30px;
  font-family:"Barlow Condensed",Arial,sans-serif;
  font-size:1.1rem;font-weight:700;letter-spacing:1px;
  background:var(--ambar);color:#2B2A2E;
  border:2px solid var(--ambar);
  transition:var(--transicao);
}
.btn:hover{background:transparent;color:var(--ambar)}
.btn--contorno{background:transparent;color:var(--branco);border-color:var(--branco)}
.btn--contorno:hover{background:var(--branco);color:var(--cinza-escuro)}

/* ---------- Slider ---------- */
.slider{position:relative;height:clamp(420px,72vh,660px);overflow:hidden;background:var(--cinza-medio)}
.slide{
  position:absolute;inset:0;
  opacity:0;transition:opacity .9s ease;
  display:flex;align-items:center;
}
.slide.activo{opacity:1}
.slide img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.slide::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(63,61,66,.92) 0%,rgba(63,61,66,.72) 45%,rgba(104,103,107,.35) 100%);
}
.slide-conteudo{position:relative;z-index:2;color:var(--branco)}
.slide-conteudo .etiqueta{
  display:inline-block;margin-bottom:14px;
  font-family:"Barlow Condensed",Arial,sans-serif;font-size:1.05rem;letter-spacing:3px;color:var(--ambar);
}
.slide-conteudo p{margin:16px 0 28px;font-size:1.12rem;color:#EDEDEF;max-width:56ch}
.slide-marca{height:46px;margin-bottom:22px;opacity:.95}

.slider-ctrl{
  position:absolute;top:50%;transform:translateY(-50%);z-index:3;
  background:rgba(63,61,66,.6);border:1px solid var(--linha);color:var(--branco);
  width:48px;height:48px;font-size:1.5rem;cursor:pointer;transition:var(--transicao);
}
.slider-ctrl:hover{background:var(--ambar);color:var(--cinza-escuro)}
.slider-ctrl.anterior{left:18px}
.slider-ctrl.seguinte{right:18px}

.slider-pontos{position:absolute;bottom:24px;left:50%;transform:translateX(-50%);z-index:3;display:flex;gap:10px}
.ponto{width:34px;height:5px;background:rgba(255,255,255,.4);border:0;cursor:pointer;padding:0}
.ponto.activo{background:var(--ambar)}

/* ---------- Faixa de destaques ---------- */
.faixa{background:var(--cinza-medio);padding:30px 0}
.faixa .container{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.faixa strong{display:block;font-family:"Barlow Condensed",Arial,sans-serif;font-size:2rem}
.faixa span{color:#E7E7E9;font-size:.95rem}

/* ---------- Grelhas / cartoes ---------- */
.grelha{display:grid;gap:24px}
.grelha--2{grid-template-columns:repeat(2,1fr)}
.grelha--3{grid-template-columns:repeat(3,1fr)}

.cartao{
  background:var(--cinza-medio);
  border:1px solid var(--linha);
  border-left:4px solid var(--ambar);
  padding:28px 26px;
}
.cartao h3{margin-bottom:10px}
.cartao p{color:#E7E7E9;font-size:.98rem}
.seccao--clara .cartao{background:var(--branco);border-color:var(--linha-clara);border-left-color:var(--ambar);color:var(--cinza-escuro)}
.seccao--clara .cartao p{color:var(--cinza-medio)}

.lista-verificada li{padding:8px 0 8px 26px;position:relative;color:#E7E7E9}
.lista-verificada li::before{content:"";position:absolute;left:0;top:18px;width:12px;height:2px;background:var(--ambar)}
.seccao--clara .lista-verificada li{color:var(--cinza-medio)}

/* ---------- Duas colunas ---------- */
.duas-colunas{display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:center}
.duas-colunas img{width:100%;height:100%;object-fit:cover;max-height:420px}

/* ---------- Cabecalho de pagina ---------- */
.capa-pagina{
  background:var(--cinza-medio);
  padding:64px 0;
  border-bottom:4px solid var(--ambar);
}
.migalhas{font-size:.9rem;color:#E1E1E3;margin-top:8px}
.migalhas a:hover{color:var(--branco);text-decoration:underline}

/* ---------- Produtos / servicos ---------- */
.bloco-item{
  display:grid;grid-template-columns:.9fr 1.1fr;gap:34px;align-items:start;
  padding:34px 0;border-bottom:1px solid var(--linha-clara);
}
.bloco-item:last-child{border-bottom:0}
.bloco-item .medalha{
  background:var(--cinza-escuro);color:var(--branco);
  padding:26px;min-height:190px;display:flex;align-items:flex-end;
  font-family:"Barlow Condensed",Arial,sans-serif;font-size:1.9rem;
  border-bottom:4px solid var(--ambar);
}

/* ---------- Mapa ---------- */
.mapa-caixa{display:grid;grid-template-columns:1fr 1.25fr;gap:0;border:1px solid var(--linha)}
.mapa-info{background:var(--cinza-medio);padding:40px 34px}
.mapa-info dl{margin-top:18px}
.mapa-info dt{font-family:"Barlow Condensed",Arial,sans-serif;font-size:1.1rem;color:var(--ambar);margin-top:16px}
.mapa-info dd{color:#EDEDEF}
.mapa-caixa iframe{width:100%;height:100%;min-height:420px;border:0;display:block;filter:grayscale(.35) contrast(1.05)}

/* ---------- Formulario ---------- */
.formulario{display:grid;gap:16px;max-width:640px}
.formulario label{font-family:"Barlow Condensed",Arial,sans-serif;font-size:1.05rem;letter-spacing:.5px}
.formulario input,.formulario select,.formulario textarea{
  width:100%;padding:13px 14px;font-family:inherit;font-size:1rem;
  background:var(--branco);color:var(--cinza-escuro);
  border:1px solid var(--linha-clara);
}
.formulario input:focus,.formulario select:focus,.formulario textarea:focus{outline:3px solid var(--ambar);outline-offset:1px}
.formulario textarea{min-height:150px;resize:vertical}
.mensagem-form{padding:14px;background:var(--cinza-escuro);color:var(--branco);border-left:4px solid var(--ambar)}
.mensagem-form[hidden]{display:none}

/* ---------- Chamada final ---------- */
.chamada{background:var(--cinza-escuro);padding:64px 0;text-align:center;border-top:1px solid var(--linha)}
.chamada p{margin:12px auto 26px;color:var(--cinza-claro)}

/* ---------- Rodape ---------- */
.rodape{background:#333136;padding:56px 0 0;border-top:4px solid var(--ambar)}
.rodape .colunas{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.1fr;gap:32px}
.rodape h4{font-size:1.2rem;margin-bottom:14px;color:var(--branco)}
.rodape li a,.rodape p,.rodape address{color:var(--cinza-claro);font-size:.95rem;font-style:normal}
.rodape li{padding:5px 0}
.rodape li a:hover{color:var(--ambar)}
.rodape img{height:48px;margin-bottom:16px}
.rodape .fundo{
  margin-top:40px;padding:18px 0;border-top:1px solid var(--linha);
  font-size:.85rem;color:var(--cinza-medio);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
}

/* ---------- Topo ---------- */
.subir{
  position:fixed;right:20px;bottom:20px;z-index:70;
  width:46px;height:46px;border:0;cursor:pointer;
  background:var(--ambar);color:#2B2A2E;font-size:1.3rem;
  opacity:0;visibility:hidden;transition:var(--transicao);
}
.subir.visivel{opacity:1;visibility:visible}

/* ---------- Responsivo ---------- */
@media (max-width:980px){
  .grelha--3{grid-template-columns:repeat(2,1fr)}
  .faixa .container{grid-template-columns:repeat(2,1fr)}
  .duas-colunas,.mapa-caixa,.bloco-item{grid-template-columns:1fr}
  .rodape .colunas{grid-template-columns:repeat(2,1fr)}
}

@media (max-width:820px){
  .btn-menu{display:block}
  .menu{
    display:none;position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:#333136;border-top:1px solid var(--linha);
    padding:8px 0;max-height:78vh;overflow-y:auto;
  }
  .menu.aberto{display:flex}
  .cabecalho .container{position:relative;flex-wrap:wrap}
  .menu > li > a{border-bottom:1px solid var(--linha);padding:14px 22px}
  .menu > li > a:hover,.menu > li.activo > a{border-bottom-color:var(--linha);color:var(--ambar)}
  .submenu{
    position:static;opacity:1;visibility:visible;transform:none;
    display:none;border:0;border-top:0;background:var(--cinza-escuro);
  }
  .submenu.aberto{display:block}
  .slider-ctrl{width:40px;height:40px}
}

@media (max-width:560px){
  body{font-size:16px}
  .grelha--2,.grelha--3,.faixa .container,.rodape .colunas{grid-template-columns:1fr}
  .seccao{padding:56px 0}
  .slider-ctrl{display:none}
}

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