:root {
    --verde: #18b957;
    --verde-escuro: #087a3c;
    --verde-hover: #12a34d;
    --grafite: #111827;
    --cinza: #f3f5f7;
    --texto: #263238;
}

html { scroll-behavior: smooth; }

body {
    font-family: Arial, Helvetica, sans-serif;
    color: var(--texto);
    background: #f7f8fa;
    line-height: 1.7;
}

.navbar-brand {
    font-weight: 800;
    letter-spacing: .5px;
}

.brand-mark {
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: var(--verde);
    color: #fff;
    font-weight: 900;
}

.hero {
    min-height: 430px;
    display: flex;
    align-items: center;
    background:
        linear-gradient(90deg, rgba(8, 30, 20, .88), rgba(8, 30, 20, .55)),
        url("imagens/ponte rolante 01.JPG") center/cover no-repeat;
}

.hero h1 { font-weight: 800; }

.section-title {
    font-weight: 800;
    color: var(--grafite);
}

.section-title::after {
    content: "";
    display: block;
    width: 65px;
    height: 4px;
    background: var(--verde);
    margin-top: 10px;
    border-radius: 3px;
}

.service-card {
    height: 100%;
    border: 0;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0,0,0,.08);
    transition: transform .2s ease, box-shadow .2s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 14px 32px rgba(0,0,0,.13);
}

.service-card img {
    height: 210px;
    width: 100%;
    object-fit: cover;
}

.feature-box {
    background: #fff;
    border-left: 4px solid var(--verde);
    border-radius: 12px;
    padding: 22px;
    box-shadow: 0 5px 18px rgba(0,0,0,.06);
    height: 100%;
}

.page-hero {
    background:
        linear-gradient(90deg, rgba(8, 30, 20, .88), rgba(8, 30, 20, .58)),
        url("imagens/Slide1.JPG") center/cover no-repeat;
    color: white;
    padding: 90px 0;
}

.content-card {
    background: #fff;
    border-radius: 18px;
    padding: clamp(22px, 4vw, 45px);
    box-shadow: 0 8px 28px rgba(0,0,0,.07);
}

.check-list {
    list-style: none;
    padding-left: 0;
}

.check-list li {
    position: relative;
    padding-left: 32px;
    margin-bottom: 14px;
}

.check-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--verde-escuro);
    font-weight: 900;
}

.gallery-img {
    width: 100%;
    height: 230px;
    object-fit: cover;
    border-radius: 14px;
}

.contact-box {
    background: var(--grafite);
    color: white;
    border-radius: 18px;
}

footer {
    background: #0b1220;
    color: #cbd5e1;
}

footer a { color: #fff; text-decoration: none; }

.btn-success {
    background-color: var(--verde-escuro);
    border-color: var(--verde-escuro);
}

.btn-success:hover {
    background-color: var(--verde-hover);
    border-color: var(--verde-hover);
}

.whatsapp-float {
    position: fixed;
    right: 18px;
    bottom: 18px;
    z-index: 1030;
    width: 58px;
    height: 58px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #25d366;
    color: white;
    text-decoration: none;
    font-size: 24px;
    box-shadow: 0 6px 18px rgba(0,0,0,.25);
}

@media (max-width: 576px) {
    .hero { min-height: 520px; }
    .hero h1 { font-size: 2.2rem; }
    .page-hero { padding: 65px 0; }
    .service-card img { height: 190px; }
}