:root{
--brand:#d31f2b;
--text:#1e1e1e;
--muted:#6b7280;
--bg:#ffffff;
--card:#f5f5f7;
--shadow:0 6px 20px rgba(0,0,0,.08);
}
*{box-sizing:border-box}
html,body{height:100%}
body{
margin:0;
background:var(--bg);
color:var(--text);
font:16px/1.5 "Montserrat", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

/* Helpers */
.container{
max-width:1200px;
margin:0 auto;
padding:0 24px;
}

/* Hero */
.hero{
padding:28px 0 10px;
}
.hero__grid{
display:grid;
grid-template-columns:auto 1fr;
gap:28px;
align-items:start;
}
.logo{
width:220px;
height:auto;
display:block;
}
.intro p{
margin:0 0 10px;
}

/* Gallery */
.gallery{
margin:14px 0 36px;
display:grid;
gap:14px;
grid-template-columns:repeat(3, 1fr);
}
.card{
margin:0;
background:var(--card);
border-radius:8px;
overflow:hidden;
box-shadow:var(--shadow);
}
.card img{
width:100%;
height:220px;
object-fit:cover;
display:block;
}

/* Contact bar */
.contact-bar{
background:#f3f4f6;
border-top:1px solid #e6e6e6;
border-bottom:1px solid #e6e6e6;
padding:14px 0;
text-align:center;
}
.contact-bar strong{
color:var(--brand);
}

/* Footer */
.footer{
padding:14px 0 0;
}
.footer__grid{
display:flex;
align-items:center;
justify-content:space-between;
gap:16px;
}
.social a{
color:#111;
background:#f1f1f1;
border-radius:50%;
width:36px;
height:36px;
display:inline-flex;
align-items:center;
justify-content:center;
margin-right:8px;
text-decoration:none;
transition:background .2s, color .2s;
}
.social a:hover{
background:var(--brand);
color:#fff;
}
.certs img{
height:50px;
width:auto;
display:block;
}
.bottom-line{
height:6px;
background:#d31f2b;
background-size:12px 6px;
margin-top:14px;
}

/* Responsivo */
@media (max-width:900px){
.hero__grid{grid-template-columns:1fr}
.logo{width:200px}
.gallery{grid-template-columns:repeat(2, 1fr)}
.card img{height:200px}
}
@media (max-width:560px){
.gallery{grid-template-columns:1fr}
.card img{height:190px}
.social a{width:34px;height:34px}
}