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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Montserrat', sans-serif;
    color: #222;
    background: #fff;
}

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

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

.container {
    width: min(1150px, 92%);
    margin: auto;
}


/* HEADER */

.header {
    height: 78px;
    background: #fff;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 15px rgba(0,0,0,.08);
}

.header-content {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    flex-direction: column;
    line-height: .9;
    font-weight: 800;
}

.logo-concreto {
    color: #222;
    font-size: 15px;
}

.logo-mix {
    color: #e67e22;
    font-size: 25px;
}

.menu {
    display: flex;
    align-items: center;
    gap: 28px;
    font-size: 14px;
    font-weight: 600;
}

.menu a:hover {
    color: #e67e22;
}

.menu-whatsapp {
    background: #159447;
    color: white !important;
    padding: 12px 20px;
    border-radius: 5px;
}


/* HERO */

.hero {
    min-height: 650px;
    background-image: url("imagens/banner.jpg");
    background-size: cover;
    background-position: center;
    position: relative;
    display: flex;
    align-items: center;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        90deg,
        rgba(0,0,0,.82),
        rgba(0,0,0,.42),
        rgba(0,0,0,.15)
    );
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-text {
    max-width: 650px;
    color: white;
}

.tag {
    display: inline-block;
    color: #f39c12;
    font-weight: 800;
    letter-spacing: 2px;
    margin-bottom: 18px;
}

.hero h1 {
    font-size: clamp(42px, 6vw, 72px);
    line-height: 1.05;
    margin-bottom: 25px;
}

.hero h1 strong {
    display: block;
    color: #f39c12;
}

.hero p {
    font-size: 19px;
    line-height: 1.7;
    max-width: 560px;
    margin-bottom: 30px;
}

.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: #159447;
    color: white;
    padding: 17px 28px;
    border-radius: 5px;
    font-weight: 800;
    transition: .3s;
}

.btn-whatsapp:hover {
    background: #10773a;
    transform: translateY(-2px);
}

.hero small {
    display: block;
    margin-top: 12px;
    opacity: .8;
}


/* BENEFÍCIOS */

.beneficios {
    background: #f5f5f5;
    padding: 35px 0;
}

.beneficios-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.beneficio {
    display: flex;
    align-items: center;
    gap: 14px;
}

.icone {
    font-size: 31px;
}

.beneficio h3 {
    font-size: 14px;
    margin-bottom: 4px;
}

.beneficio p {
    font-size: 12px;
    color: #777;
}


/* EMPRESA */

.empresa {
    padding: 100px 0;
}

.empresa-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 70px;
    align-items: center;
}

.empresa-imagem img {
    height: 480px;
    object-fit: cover;
    border-radius: 5px;
}

.subtitulo,
.section-title span,
.cta span,
.contato span {
    color: #e67e22;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 2px;
}

.empresa h2 {
    font-size: 40px;
    line-height: 1.15;
    margin: 15px 0 25px;
}

.empresa h2 strong {
    color: #e67e22;
}

.empresa p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 15px;
}

.check-list {
    line-height: 2.2;
    font-weight: 600;
    margin: 25px 0;
}

.btn-dark {
    display: inline-block;
    background: #222;
    color: white;
    padding: 16px 25px;
    border-radius: 5px;
    font-size: 13px;
    font-weight: 800;
}


/* SERVIÇOS */

.servicos {
    background: #f6f6f6;
    padding: 100px 0;
}

.section-title {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 50px;
}

.section-title h2 {
    font-size: 42px;
    margin: 12px 0;
}

.section-title p {
    color: #777;
    line-height: 1.7;
}

.servicos-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.servico-card {
    background: white;
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 5px 25px rgba(0,0,0,.07);
    transition: .3s;
}

.servico-card:hover {
    transform: translateY(-6px);
}

.servico-img {
    height: 210px;
}

.servico-img img {
    height: 100%;
    object-fit: cover;
}

.servico-content {
    padding: 25px;
}

.servico-content h3 {
    font-size: 19px;
    margin-bottom: 12px;
}

.servico-content p {
    color: #777;
    line-height: 1.6;
    font-size: 13px;
    min-height: 65px;
}

.servico-content a {
    display: inline-block;
    margin-top: 15px;
    color: #159447;
    font-size: 13px;
    font-weight: 800;
}


/* CTA */

.cta {
    background: #e67e22;
    color: white;
    padding: 65px 0;
}

.cta-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.cta span {
    color: white;
}

.cta h2 {
    font-size: 34px;
    max-width: 700px;
    margin: 10px 0;
}

.cta p {
    opacity: .9;
}

.cta .btn-whatsapp {
    background: white;
    color: #159447;
    white-space: nowrap;
}


/* OBRAS */

.obras {
    padding: 100px 0;
}

.galeria {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
}

.galeria img {
    height: 300px;
    object-fit: cover;
    border-radius: 5px;
}


/* CONTATO */

.contato {
    background: #222;
    color: white;
    padding: 80px 0;
}

.contato-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.contato h2 {
    font-size: 42px;
    max-width: 600px;
    margin: 12px 0;
}

.contato p {
    color: #bbb;
}

.grande {
    padding: 20px 35px;
}


/* FOOTER */

footer {
    background: #111;
    color: white;
}

.footer-content {
    padding: 45px 0;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 30px;
}

.footer-content h3 {
    color: #e67e22;
    margin-bottom: 10px;
}

.footer-content p {
    color: #aaa;
    margin-top: 8px;
    font-size: 14px;
}

.copyright {
    text-align: center;
    border-top: 1px solid #292929;
    padding: 20px;
    color: #777;
    font-size: 12px;
}


/* WHATSAPP FIXO */

.whatsapp-fixo {
    position: fixed;
    right: 22px;
    bottom: 22px;
    width: 65px;
    height: 65px;
    background: #159447;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 31px;
    z-index: 9999;
    box-shadow: 0 5px 25px rgba(0,0,0,.3);
    animation: pulse 1.8s infinite;
}

@keyframes pulse {

    0% {
        box-shadow: 0 0 0 0 rgba(21,148,71,.7);
    }

    70% {
        box-shadow: 0 0 0 15px rgba(21,148,71,0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(21,148,71,0);
    }

}


/* CELULAR */

@media (max-width: 900px) {

    .menu {
        display: none;
    }

    .hero {
        min-height: 600px;
    }

    .hero h1 {
        font-size: 43px;
    }

    .beneficios-grid {
        grid-template-columns: 1fr 1fr;
    }

    .empresa-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .servicos-grid {
        grid-template-columns: 1fr 1fr;
    }

    .galeria {
        grid-template-columns: 1fr 1fr;
    }

    .cta-content,
    .contato-content {
        flex-direction: column;
        align-items: flex-start;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

}


@media (max-width: 600px) {

    .header {
        height: 68px;
    }

    .logo-mix {
        font-size: 21px;
    }

    .hero {
        min-height: 600px;
    }

    .hero h1 {
        font-size: 39px;
    }

    .hero p {
        font-size: 16px;
    }

    .btn-whatsapp {
        padding: 16px 20px;
        font-size: 13px;
    }

    .beneficios-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .empresa {
        padding: 65px 0;
    }

    .empresa-imagem img {
        height: 330px;
    }

    .empresa h2,
    .section-title h2,
    .contato h2 {
        font-size: 32px;
    }

    .servicos {
        padding: 65px 0;
    }

    .servicos-grid {
        grid-template-columns: 1fr;
    }

    .servico-img {
        height: 230px;
    }

    .galeria {
        grid-template-columns: 1fr;
    }

    .galeria img {
        height: 280px;
    }

    .cta {
        padding: 50px 0;
    }

    .cta h2 {
        font-size: 28px;
    }

    .contato {
        padding: 60px 0;
    }

    .whatsapp-fixo {
        width: 60px;
        height: 60px;
        right: 18px;
        bottom: 18px;
    }

}