:root {
  --verde: #1f4d3a;
  --verde-escuro: #123026;
  --marrom: #8a5a36;
  --marrom-claro: #c49a6c;
  --bege: #f4efe7;
  --branco: #ffffff;
  --grafite: #2b2b2b;
}

html{
    scroll-behavior:smooth;
}

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

body {
  font-family: 'Inter', sans-serif;
  color: var(--grafite);
  background-color: var(--bege);
}

h1, h2, h3, h4, h5, h6,
.navbar-brand {
  font-family: 'Montserrat', sans-serif;
}

/* NAVBAR */
.navbar{
    background: rgba(10, 25, 20, 0.55);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);

    border-bottom: 1px solid rgba(255,255,255,0.08);

    padding: 14px 0;

    transition: 0.4s;
}

.navbar-brand img{
    width:320px;
    height:100px;
    object-fit:contain;

    filter:
        brightness(1.18)
        contrast(1.12)
        drop-shadow(0 3px 10px rgba(0,0,0,.50));
}


.navbar-brand span {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--marrom-claro);
}

.navbar-brand:hover {
  color: var(--branco);
}

.nav-link {
  color: var(--branco);
  font-weight: 500;
  margin-left: 20px;
}

.nav-link:hover {
  color: var(--marrom-claro);
}


.nav-cta{
    background: var(--marrom);

    color:#fff !important;

    padding:12px 26px;

    border-radius:50px;

    font-weight:600;

    transition:.3s ease;
}

.nav-cta:hover{
    transform:translateY(-2px);

    background:#b07a4d;

    color:#fff !important;

    box-shadow:0 8px 20px rgba(0,0,0,.18);
}


/* HERO */
.hero {
  min-height: 100vh;
  background:
    linear-gradient(
rgba(7, 22, 17, 0.72),
rgba(7, 22, 17, 0.82)),
    url("assets/hero-geologia.jpg");
  background-size: cover;
  background-position: center;
  background-attachment: fixed;

  padding-top:40px;

  color: var(--branco);
}

.hero-label {
  color: var(--marrom-claro);
  font-weight: 600;
  margin-bottom: 18px;
  margin-top:30px;
  margin-bottom:20px;
  
}

.hero h1 {
  font-size: clamp(2.8rem, 7vw, 5.8rem);
  font-weight: 700;
  margin-bottom: 10px;
}

.hero h2 {
  font-size: clamp(1.4rem, 3vw, 2.3rem);
  font-weight: 500;
  color: var(--bege);
  margin-bottom: 25px;
}

.hero-text {
  max-width: 650px;
  font-size: 1.15rem;
  line-height: 1.8;
  margin-bottom: 35px;
  color: #f1f1f1;
}

.btn-primary-custom {
  background-color: var(--marrom);
  color: var(--branco);
  padding: 13px 28px;
  border-radius: 50px;
  font-weight: 600;
  border: 2px solid var(--marrom);
}

.btn-primary-custom:hover {
  background-color: var(--marrom-claro);
  border-color: var(--marrom-claro);
  color: var(--verde-escuro);
}

.btn-outline-custom {
  color: var(--branco);
  border: 2px solid var(--branco);
  padding: 13px 28px;
  border-radius: 50px;
  font-weight: 600;
  margin-left: 10px;
}

.btn-outline-custom:hover {
  background-color: var(--branco);
  color: var(--verde-escuro);
}

/* MOBILE */
@media (max-width:768px){

    .hero{
        padding-top:140px;
    }

    .hero-label{
        display:block;
        margin-bottom:24px;
        font-size:14px;
        line-height:1.5;
    }

}

    .navbar-brand img{
        width:150px;
        height:70px;
        object-fit:contain;
    }


@media (max-width:768px){

    .hero-buttons{
        display:flex;
        flex-direction:column;
        gap:18px;
    }

    .cta-final{
        padding-bottom:20px !important;
    }

    .contato-section{
        padding-top:20px !important;
    }

}



/* SOBRE */

.sobre-section{
    padding:120px 0;
    background: #f8f5ef;
}

.sobre-image img{
    width:100%;
    border-radius:24px;

    box-shadow:
    0 20px 50px rgba(0,0,0,0.15);
}

.section-mini-title{
    color:var(--marrom);
    font-weight:700;
    letter-spacing:3px;
    margin-bottom:20px;
}

.section-title{
    font-size: clamp(2rem,4vw,3.2rem);
    margin-bottom:25px;
    color:var(--verde-escuro);
    line-height:1.2;
}

.contato-header .sobre-text{
    margin:20px auto 0;
    color: rgba(255,255,255,.72);
    line-height:1.8;
    max-width:500px;
}

.sobre-info{
    display:flex;
    gap:20px;
    margin-top:35px;
    flex-wrap:wrap;
}

.info-card{
    background:white;

    padding:25px;

    border-radius:18px;

    flex:1;

    min-width:220px;

    box-shadow:
    0 10px 30px rgba(0,0,0,0.06);
}

.info-card h3{
    color:var(--verde);
    font-size:2rem;
    margin-bottom:10px;
}

.info-card p{
    margin:0;
    color:#666;
}

/* SERVIÇOS */

.servicos-section{
    padding:120px 0;
    background:var(--verde-escuro);
}

.servicos-section .section-title{
    color:var(--branco);
}

.section-subtitle{
    max-width:720px;
    margin:0 auto;
    color:rgba(255,255,255,0.72);
    font-size:1.05rem;
    line-height:1.8;
}

.service-card{
    height:100%;
    padding:35px;
    border-radius:24px;
    background:rgba(255,255,255,0.06);
    border:1px solid rgba(255,255,255,0.12);
    color:var(--branco);
    transition:0.35s;
}

.service-card:hover{
    transform:translateY(-10px);
    background:rgba(255,255,255,0.10);
    border-color:var(--marrom-claro);
}

.service-card span{
    display:inline-block;
    color:var(--marrom-claro);
    font-weight:700;
    margin-bottom:20px;
    letter-spacing:2px;
}

.service-card h3{
    font-size:1.35rem;
    margin-bottom:15px;
}

.service-card p{
    color:rgba(255,255,255,0.72);
    line-height:1.8;
    margin:0;
}


/* NÚMEROS */

.numeros-section{
    padding:100px 0;
    background:var(--bege);
}

.numero-card{
    background:white;

    padding:40px 25px;

    border-radius:22px;

    text-align:center;

    box-shadow:
    0 15px 40px rgba(0,0,0,0.06);

    transition:0.35s;

    min-height: 220px;

}

.numero-card:hover{
    transform:translateY(-10px);
}

.numero-card h2{
    color:var(--verde);
    font-size:2.5rem;
    margin-bottom:15px;
}

.numero-card p{
    color:#666;
    margin:0;
    line-height:1.6;
}


/* PROJETOS */

.projetos-section{
    padding:120px 0;
    background:white;
}

.projeto-card{
    position:relative;
    overflow:hidden;

    border-radius:24px;

    height:420px;
}

.projeto-card img{
    width:100%;
    height:100%;
    object-fit:cover;

    transition:0.5s;
}

.projeto-overlay{
    position:absolute;

    inset:0;

    background:
    linear-gradient(
    to top,
    rgba(0,0,0,0.85),
    rgba(0,0,0,0.15)
    );

    display:flex;

    flex-direction:column;

    justify-content:flex-end;

    padding:30px;

    color:white;
}

.projeto-overlay h3{
    font-size:1.6rem;
    margin-bottom:10px;
}

.projeto-overlay p{
    margin:0;
    color:rgba(255,255,255,0.8);
}

.projeto-card:hover img{
    transform:scale(1.08);
}


/* CONTATO */

.contato-section{
    padding:5px 0 120px;;
    background:var(--verde-escuro);
}

.contato-section .section-title{
    color:white;
}

.contato-section .section-title{
    color:white;
}

.contato-header{

    text-align:center;

    max-width:700px;

    margin:0 auto 50px;
}

.contato-header .sobre-text{

    margin:20px auto 0;

    color:rgba(255,255,255,.72);

    line-height:1.8;

    max-width:500px;
}

.contato-card{

    max-width:850px;

    margin:0 auto;

    background: rgba(255,255,255,.96);

    backdrop-filter: blur(10px);

    padding:45px;

    border-radius:28px;

    border: 1px solid rgba(255,255,255,.2);

    box-shadow:
    0 20px 60px rgba(0,0,0,.18);
}

.contato-card{

    background: rgba(255,255,255,.96);

    backdrop-filter: blur(10px);

    padding:45px;

    border-radius:28px;

    border: 1px solid rgba(255,255,255,.2);

    box-shadow:
    0 20px 60px rgba(0,0,0,.18);
}

.contato-item{
    margin-bottom:30px;
}

.contato-item:last-child{
    margin-bottom:0;
}

.contato-item h3{
    color:var(--verde);
    font-size:1.2rem;
    margin-bottom:8px;
}

.contato-item p{
    margin:0;
    color:#555;
    font-size:1.05rem;
}


/* WHATSAPP */

.whatsapp-float{
    position:fixed;

    width:65px;
    height:65px;

    bottom:30px;
    right:30px;

    background:#25D366;

    border-radius:50%;

    display:flex;
    align-items:center;
    justify-content:center;

    color:white;

    font-size:2rem;

    z-index:999;

    text-decoration:none;

    box-shadow:
    0 10px 30px rgba(0,0,0,0.25);

    transition:0.35s cubic-bezier(.165,.84,.44,1);
}

.whatsapp-float:hover{
    transform:scale(1.1);
    color:white;
}


/* FOOTER */

.footer{
    background:#02281f;
    padding:30px 0;
    border-top:1px solid rgba(255,255,255,.08);
}

.footer-content{
    display:flex;
    justify-content:space-between;
    align-items:center;
    gap:20px;
}

.footer-logo h3{
    color:#fff;
    font-size:20px;
    margin:0;
}

.footer-logo p{
    color:#c9c9c9;
    margin:4px 0 0;
    font-size:15px;
}

.footer-copy{
    color:#c9c9c9;
    font-size:15px;
}


.footer-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:40px;
    align-items:center;

max-width:1400px;
margin:0 auto;
padding:0 40px;

}

.footer-contact,
.footer-social{
    display:flex;
    flex-direction:column;
    gap:10px;
}

.footer-social{
    align-items:flex-end;
}

.footer-contact a,
.footer-social a{
    color:white;
    text-decoration:none;
    opacity:0.8;
}

.footer-copy{
    margin-top:10px;
    font-size:0.9rem;
    opacity:0.7;
}


@media (max-width: 576px){

    .navbar-brand{
        font-size:1rem;
    }

    .navbar-brand span{
        font-size:0.65rem;
    }

    .hero h1{
        font-size:3rem;
    }

    .hero h2{
        font-size:1.45rem;
    }

    .hero-text{
        font-size:1rem;
    }

    .sobre-section,
    .servicos-section,
    .projetos-section,
    .contato-section{
        padding:80px 0;
    }

    .numero-card h2{
        font-size:1.8rem;
    }

    .projeto-card{
        height:330px;
    }

    .contato-card{
        padding:30px;
    }

    .whatsapp-float{
        width:55px;
        height:55px;
        font-size:1.7rem;
        right:20px;
        bottom:20px;
    }
}


.navbar-scroll{
    background:#0b1f18 !important;

    box-shadow:
    0 10px 30px rgba(0,0,0,0.15);
}


.reveal{
    opacity:0;

    transform:translateY(60px);

    transition:1s;
}

.reveal.active{
    opacity:1;

    transform:translateY(0);
}



img{
    image-rendering:auto;
}

section{
    overflow:hidden;
}


.projeto-card a{
    display:block;
    width:100%;
    height:100%;
}

.projeto-card a img{
    width:100%;
    height:100%;
    object-fit:cover;
}

.projeto-overlay{
    pointer-events: none;
}


/* FORMULÁRIO */

.contato-card label{
    font-weight:600;
    color:var(--verde-escuro);
    margin-bottom:8px;
}

.form-control{
    padding:14px 16px;
    border-radius:14px;
    border:1px solid #ddd;
    font-family:'Inter', sans-serif;
}

.form-control:focus{
    border-color:var(--marrom);
    box-shadow:0 0 0 0.2rem rgba(138,90,54,0.15);
}

/* CTA FINAL */

.cta-final{
    padding:150px 0;
    background:
    linear-gradient(rgba(18,48,38,0.88), rgba(18,48,38,0.88)),
    url("assets/hero-geologia.jpg");
    background-size:cover;
    background-position:center;
    color:white;
}

.cta-final h2{
    max-width:850px;
    margin:0 auto 20px;
    font-size:clamp(2rem,4vw,3.5rem);
}

.cta-final p{
    max-width:720px;
    margin:0 auto 35px;
    color:rgba(255,255,255,0.78);
    line-height:1.8;
}


/* MENU MOBILE */

.navbar-toggler{
    border:none;
    box-shadow:none !important;
}

.navbar-toggler:focus{
    box-shadow:none;
}

.navbar-toggler-icon{
    filter:invert(1);
}

@media (max-width:991px){

    .navbar-collapse{

        background:rgba(11,31,24,0.98);

        padding:25px;

        border-radius:18px;

        margin-top:20px;

        box-shadow:
        0 20px 40px rgba(0,0,0,0.25);
    }

    .nav-link{

        margin-left:0;

        padding:14px 0;

        border-bottom:
        1px solid rgba(255,255,255,0.08);
    }

    .nav-link:last-child{
        border-bottom:none;
    }

}

/* LINK ATIVO */

.active-link{
    color:var(--marrom-claro) !important;
}


.clientes-grid{
    display:grid;

    grid-template-columns:
    repeat(auto-fit, minmax(180px,1fr));

    gap:25px;
}

.cliente-item{

    background:white;

    height:130px;

    border-radius:22px;

    display:flex;

    align-items:center;
    justify-content:center;

    text-align:center;

    padding:20px;

    font-family:'Montserrat', sans-serif;

    font-weight:600;

    color:var(--verde);

    box-shadow:
    0 10px 30px rgba(0,0,0,0.06);

    transition:0.35s;
}

.cliente-item:hover{
    transform:translateY(-8px);

    color:var(--marrom);

    box-shadow:
    0 20px 40px rgba(0,0,0,0.10);
}


/* EMPRESAS */

.empresas-section{
    padding:110px 0;
    background:#f8f5ef;
}

.section-subtitle-dark{
    max-width:720px;
    margin:0 auto;
    color:#666;
    font-size:1.05rem;
    line-height:1.8;
}

.empresas-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit, minmax(180px, 1fr));
    gap:25px;


    padding: 0 40px;

}

.empresa-logo{
    height:135px;
    background:white;
    border-radius:22px;
    padding:28px;

    display:flex;
    align-items:center;
    justify-content:center;

    box-shadow:0 10px 30px rgba(0,0,0,0.06);
    transition:0.35s;
}

.empresa-logo:hover{
    transform:translateY(-8px);
    box-shadow:0 20px 40px rgba(0,0,0,0.10);
}

.empresa-logo img{
    max-width:100%;
    max-height:75px;
    object-fit:contain;
    filter:grayscale(100%);
    opacity:0.8;
    transition:0.35s;
}

.empresa-logo:hover img{
    filter:grayscale(0%);
    opacity:1;
}


/* BLOG */

.blog-hero{

    padding:220px 0 120px;

    background:
    linear-gradient(
    rgba(7,22,17,0.82),
    rgba(7,22,17,0.82)
    ),
    url("assets/hero-geologia.jpg");

    background-size:cover;
    background-position:center;

    color:white;
}

.blog-hero h1{

    font-size:clamp(2.5rem,5vw,5rem);

    margin-bottom:25px;
}

.blog-hero p{

    max-width:760px;

    margin:0 auto;

    line-height:1.9;

    color:rgba(255,255,255,0.78);
}

.artigos-section{

    padding:120px 0;

    background:#f8f5ef;
}

.artigo-card{

    background:white;

    border-radius:24px;

    overflow:hidden;

    height:100%;

    box-shadow:
    0 15px 40px rgba(0,0,0,0.06);

    transition:0.35s;
}

.artigo-card:hover{

    transform:translateY(-10px);
}

.artigo-card img{

    width:100%;

    height:240px;

    object-fit:cover;
}

.artigo-content{

    padding:30px;
}

.artigo-content span{

    color:var(--marrom);

    font-weight:700;

    font-size:0.85rem;

    letter-spacing:2px;

    text-transform:uppercase;
}

.artigo-content h3{

    margin:18px 0;

    font-size:1.5rem;

    line-height:1.4;

    color:var(--verde-escuro);
}

.artigo-content p{

    color:#666;

    line-height:1.8;

    margin-bottom:25px;
}

.artigo-content a{

    color:var(--verde);

    font-weight:700;

    text-decoration:none;
}

/* PÁGINA DE ARTIGO */

.post-hero{
    padding:220px 0 120px;
    background:
    linear-gradient(rgba(7,22,17,0.86), rgba(7,22,17,0.86)),
    url("assets/hero-geologia.jpg");
    background-size:cover;
    background-position:center;
    color:white;
}

.post-hero span{
    color:var(--marrom-claro);
    font-weight:700;
    letter-spacing:2px;
    text-transform:uppercase;
}

.post-hero h1{
    max-width:900px;
    font-size:clamp(2.4rem,5vw,4.8rem);
    margin:20px 0;
}

.post-hero p{
    max-width:720px;
    color:rgba(255,255,255,0.78);
    line-height:1.8;
}

.post-content{
    padding:100px 0;
    background:#f8f5ef;
}

.post-image{
    width:100%;
    max-height:520px;
    object-fit:cover;
    border-radius:28px;
    margin-bottom:60px;
    box-shadow:0 20px 50px rgba(0,0,0,0.12);
}

.post-article{
    max-width:850px;
    margin:0 auto;
    background:white;
    padding:55px;
    border-radius:28px;
    box-shadow:0 15px 40px rgba(0,0,0,0.06);
}

.post-article h2{
    color:var(--verde-escuro);
    margin:35px 0 15px;
}

.post-article p{
    color:#555;
    line-height:1.9;
    font-size:1.08rem;
}

.post-buttons{
    display:flex;
    gap:15px;
    flex-wrap:wrap;
    margin-top:45px;
}

@media(max-width:576px){
    .post-article{
        padding:30px;
    }

    .post-buttons .btn{
        width:100%;
    }
}

/* PÁGINA INDIVIDUAL DE PROJETO */

.project-hero{
    padding:220px 0 120px;
    background:
    linear-gradient(rgba(7,22,17,0.86), rgba(7,22,17,0.86)),
    url("assets/hero-geologia.jpg");
    background-size:cover;
    background-position:center;
    color:white;
}

.project-hero span{
    color:var(--marrom-claro);
    font-weight:700;
    letter-spacing:2px;
    text-transform:uppercase;
}

.project-hero h1{
    max-width:900px;
    font-size:clamp(2.8rem,6vw,5.5rem);
    margin:20px 0;
}

.project-hero p{
    max-width:760px;
    color:rgba(255,255,255,0.78);
    line-height:1.8;
}

.project-content{
    padding:100px 0;
    background:#f8f5ef;
}

.project-main-image{
    width:100%;
    max-height:560px;
    object-fit:cover;
    border-radius:28px;
    margin-bottom:60px;
    box-shadow:0 20px 50px rgba(0,0,0,0.12);
}

.project-article{
    background:white;
    padding:55px;
    border-radius:28px;
    box-shadow:0 15px 40px rgba(0,0,0,0.06);
}

.project-article h2{
    color:var(--verde-escuro);
    margin:35px 0 15px;
}

.project-article h2:first-child{
    margin-top:0;
}

.project-article p{
    color:#555;
    line-height:1.9;
    font-size:1.08rem;
}

.project-sidebar{
    position:sticky;
    top:120px;
}

@media(max-width:576px){
    .project-article{
        padding:30px;
    }
}


.localizacao-section{
    padding:90px 0;
    background:#f5f1eb;
}

.local-info p{
    margin-bottom:14px;
}

.map-box{
    height:380px;
    border-radius:24px;
    overflow:hidden;
    box-shadow:0 15px 35px rgba(0,0,0,.15);
}

.map-box iframe{
    width:100%;
    height:100%;
    border:0;
}