*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:'Poppins',sans-serif;
}

:root{
    --azul:#0b3d91;
    --verde:#25d366;
    --cinza:#f5f5f5;
    --sombra:0 6px 18px rgba(0,0,0,0.10);
}

body{
    background:#ffffff;
    color:#333;
    line-height:1.6;
}

header{
    background:var(--azul);
    color:white;
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:18px 40px;
    flex-wrap:wrap;
    gap:20px;
    position:sticky;
    top:0;
    z-index:1000;
}

.logo{
    font-size:24px;
    font-weight:600;
}

.logo span{
    display:block;
    font-size:13px;
    opacity:0.9;
}

nav{
    display:flex;
    flex-wrap:wrap;
    gap:14px;
}

nav a{
    color:white;
    text-decoration:none;
    font-weight:500;
    transition:0.3s;
}

nav a:hover{
    opacity:0.8;
}

.hero{
    background:
    linear-gradient(rgba(0,0,0,0.55),
    rgba(0,0,0,0.55)),
    url("Imagens/banner.jpg");

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

    color:white;
    text-align:center;
    padding:120px 20px;
}

.hero h1{
    font-size:42px;
    margin-bottom:20px;
}

.hero p{
    max-width:800px;
    margin:0 auto 25px auto;
    font-size:18px;
}

.btn{
    padding:14px 26px;
    border-radius:30px;
    text-decoration:none;
    display:inline-block;
    margin:5px;
    transition:0.3s;
    font-weight:600;
}

.btn:hover{
    transform:translateY(-2px);
}

.btn-whatsapp{
    background:var(--verde);
    color:white;
}

.section{
    padding:70px 20px;
    text-align:center;
}

.section h2{
    margin-bottom:40px;
    color:var(--azul);
    font-size:32px;
}

.grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
    gap:30px;
    max-width:1200px;
    margin:auto;
}

.card{
    background:white;
    padding:22px;
    border-radius:16px;
    box-shadow:var(--sombra);
    display:flex;
    flex-direction:column;
    justify-content:space-between;
    min-height:100%;
}

.card img{
    width:100%;
    height:220px;
    object-fit:contain;
    border-radius:12px;
    margin-bottom:15px;
}

.card h3{
    margin-bottom:10px;
}

.card p{
    margin-bottom:16px;
}

.bg-cinza{
    background:var(--cinza);
}

<section class="section bg-cinza">
footer{
    background:#111;
    color:white;
    text-align:center;
    padding:25px;
    margin-top:40px;
}

.whatsapp-float{
    position:fixed;
    bottom:20px;
    right:20px;
    background:var(--verde);
    color:white;
    padding:14px 18px;
    border-radius:50px;
    text-decoration:none;
    box-shadow:var(--sombra);
}

@media(max-width:768px){

    header{
        padding:20px;
        justify-content:center;
        text-align:center;
    }

    nav{
        justify-content:center;
    }

    .hero{
        padding:90px 20px;
    }

    .hero h1{
        font-size:32px;
    }

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

    .card img{
        height:200px;
    }
}


/* ===== AREA DE PROMOCOES ===== */

.promocao-badge{
    background:#d90000;
    color:white;
    padding:10px;
    border-radius:10px;
    text-align:center;
    font-weight:bold;
    margin-bottom:15px;
    animation:pulse 2s infinite;
}

.preco-antigo{
    text-decoration:line-through;
    color:#777;
    margin-top:10px;
}

.preco-novo{
    color:#0b3d91;
    font-size:30px;
    font-weight:bold;
    margin:10px 0;
}

.validade{
    background:#fff3cd;
    color:#856404;
    padding:10px;
    border-radius:8px;
    margin-top:12px;
    font-weight:600;
}

.contador{
    margin-top:10px;
    color:#d90000;
    font-weight:bold;
}

@keyframes pulse{
    0%{transform:scale(1);}
    50%{transform:scale(1.03);}
    100%{transform:scale(1);}
}

/* IMAGENS DAS PROMOÇÕES */

.promo-img{

width:100%;
height:250px;

object-fit:contain;

background:#f8f8f8;

padding:15px;

border-radius:12px;

transition:0.3s;

}

.promo-img:hover{

transform:scale(1.03);

}
/* CARD PROMOÇÕES */

.bg-cinza .card{

position:relative;

overflow:hidden;

transition:0.3s;

border-radius:16px;

}

.bg-cinza .card:hover{

transform:translateY(-8px);

box-shadow:0 15px 35px rgba(0,0,0,0.15);

}

/* BADGE PROMOÇÃO */

.promocao-badge{

position:absolute;

top:15px;
left:15px;

background:#d90000;

color:white;

padding:8px 14px;

font-size:13px;
font-weight:bold;

border-radius:30px;

z-index:20;

animation:pulse 1.5s infinite;

}

/* PREÇO ANTIGO */

.preco-antigo{

text-decoration:line-through;

color:#888;

font-size:18px;

margin-top:10px;

}

/* PREÇO NOVO */

.preco-novo{

font-size:34px;

font-weight:bold;

color:#0b3d91;

margin:15px 0;

}

/* VALIDADE */

.validade{

font-size:14px;

color:#d90000;

font-weight:600;

margin-bottom:10px;

}

/* CONTADOR */

.contador{

background:#fff3cd;

padding:10px;

border-radius:8px;

font-size:14px;

font-weight:600;

margin-bottom:15px;

}

/* ANIMAÇÃO */

@keyframes pulse{

0%{
transform:scale(1);
}

50%{
transform:scale(1.08);
}

100%{
transform:scale(1);
}

}