:root{
    --azul:#3498db;
    --azul-escuro:#0874b9;
    --preto:#050b0f;
    --fundo:#f3f7fa;
    --texto:#111820;
    --cinza:#667582;
    --linha:#dce6ed;
    --verde:#25d366;
}

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

html{
    scroll-behavior:smooth;
}

body{
    font-family:Montserrat,Arial,sans-serif;
    color:var(--texto);
    background:var(--fundo);
}

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

button,
input{
    font:inherit;
}

.cabecalho{
    height:92px;
    padding:0 max(5vw,24px);
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:35px;
    background:rgba(5,11,15,.97);
    color:#fff;
    position:sticky;
    top:0;
    z-index:100;
    box-shadow:0 10px 30px rgba(0,0,0,.12);
}

.logo img{
    width:176px;
    max-height:63px;
    object-fit:contain;
}

.cabecalho nav{
    display:flex;
    align-items:center;
    gap:30px;
    margin-left:auto;
}

.cabecalho nav a{
    font-size:13px;
    font-weight:700;
    transition:.25s;
}

.cabecalho nav a:hover{
    color:#58baf0;
}

.botao{
    min-height:50px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:10px;
    padding:0 24px;
    border-radius:10px;
    background:linear-gradient(135deg,#2085c6,#3fa6e5);
    color:#fff;
    font-size:13px;
    font-weight:800;
    transition:transform .25s,box-shadow .25s;
}

.botao:hover{
    transform:translateY(-2px);
    box-shadow:0 15px 30px rgba(32,133,198,.25);
}

.botao.secundario{
    background:transparent;
    border:1px solid rgba(255,255,255,.3);
}

.hero{
    min-height:620px;
    padding:100px max(8vw,30px);
    display:grid;
    grid-template-columns:minmax(0,1.05fr) minmax(420px,.95fr);
    align-items:center;
    gap:70px;
    color:#fff;
    background:
        radial-gradient(circle at 82% 35%,rgba(38,151,216,.27),transparent 24%),
        linear-gradient(120deg,#04090d 0%,#07141d 62%,#08273a 100%);
    overflow:hidden;
}

.sobretitulo{
    display:block;
    margin-bottom:17px;
    color:#66c6fb;
    font-size:11px;
    line-height:1.4;
    letter-spacing:.18em;
    font-weight:800;
}

.sobretitulo.azul{
    color:#168ed2;
}

.hero h1{
    max-width:760px;
    font-size:clamp(45px,6vw,86px);
    line-height:.98;
    letter-spacing:-.055em;
    font-weight:900;
}

.hero p{
    max-width:650px;
    margin-top:27px;
    color:#b8c5ce;
    font-size:17px;
    line-height:1.75;
}

.hero-acoes{
    display:flex;
    flex-wrap:wrap;
    gap:12px;
    margin-top:34px;
}

.hero-visual{
    min-height:430px;
    position:relative;
}

.visual-circulo{
    width:390px;
    height:390px;
    border-radius:50%;
    position:absolute;
    top:10px;
    right:10px;
    background:
        repeating-radial-gradient(circle,transparent 0 28px,rgba(79,188,247,.1) 29px 30px),
        radial-gradient(circle,#1d6a93 0%,#0b2b3e 54%,transparent 70%);
    animation:pulso 5s ease-in-out infinite;
}

.visual-card{
    width:min(330px,80%);
    padding:24px;
    position:absolute;
    border:1px solid rgba(103,200,255,.24);
    border-radius:18px;
    background:rgba(8,26,37,.82);
    box-shadow:0 25px 60px rgba(0,0,0,.26);
    backdrop-filter:blur(14px);
}

.visual-card strong{
    display:block;
    margin-bottom:7px;
    font-size:20px;
}

.visual-card span{
    color:#9fb3c0;
    font-size:12px;
}

.card1{
    top:30px;
    left:0;
}

.card2{
    top:165px;
    right:0;
}

.card3{
    bottom:15px;
    left:35px;
}

@keyframes pulso{
    50%{transform:scale(1.04);opacity:.82}
}

.catalogo{
    padding:100px max(7vw,28px);
}

.titulo-area{
    display:flex;
    justify-content:space-between;
    align-items:end;
    gap:30px;
    margin-bottom:35px;
}

.titulo-area h2,
.ajuda h2{
    font-size:clamp(34px,4vw,58px);
    line-height:1;
    letter-spacing:-.045em;
    font-weight:900;
}

.titulo-area > p{
    color:#6a7882;
    font-size:13px;
    font-weight:700;
}

.ferramentas{
    margin-bottom:34px;
}

.busca{
    min-height:60px;
    padding:0 21px;
    display:flex;
    align-items:center;
    gap:13px;
    background:#fff;
    border:1px solid var(--linha);
    border-radius:14px;
    box-shadow:0 12px 35px rgba(15,42,58,.05);
}

.busca svg{
    width:22px;
    fill:none;
    stroke:#426274;
    stroke-width:2;
}

.busca input{
    width:100%;
    border:0;
    outline:0;
    background:transparent;
    color:#17232b;
    font-size:15px;
}

.filtros{
    display:flex;
    flex-wrap:wrap;
    gap:9px;
    margin-top:16px;
}

.filtros button{
    padding:12px 17px;
    border:1px solid var(--linha);
    border-radius:999px;
    background:#fff;
    color:#40515e;
    font-size:12px;
    font-weight:800;
    cursor:pointer;
    transition:.2s;
}

.filtros button:hover,
.filtros button.ativo{
    color:#fff;
    border-color:#178ed0;
    background:#178ed0;
}

.grade{
    display:grid;
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:22px;
}

.produto{
    min-width:0;
    overflow:hidden;
    border:1px solid var(--linha);
    border-radius:19px;
    background:#fff;
    box-shadow:0 16px 45px rgba(11,35,49,.06);
    transition:transform .28s,box-shadow .28s;
}

.produto:hover{
    transform:translateY(-5px);
    box-shadow:0 25px 55px rgba(11,35,49,.13);
}

.produto.oculto{
    display:none;
}

.produto-imagem{
    height:265px;
    display:block;
    position:relative;
    overflow:hidden;
    background:
        radial-gradient(circle at 70% 30%,rgba(52,152,219,.45),transparent 22%),
        linear-gradient(135deg,#0b1d27,#12394f);
}

.produto-imagem::after{
    content:"TECNOVACUUM";
    position:absolute;
    right:-6px;
    bottom:-10px;
    color:rgba(255,255,255,.07);
    font-size:32px;
    font-weight:900;
}

.produto-imagem img{
    width:100%;
    height:100%;
    display:block;
    object-fit:cover;
    transition:transform .5s;
}

.produto:hover .produto-imagem img{
    transform:scale(1.045);
}

.produto-categoria{
    padding:9px 12px;
    position:absolute;
    left:15px;
    top:15px;
    z-index:2;
    border-radius:999px;
    background:rgba(4,17,24,.82);
    color:#fff;
    font-size:10px;
    font-weight:800;
    backdrop-filter:blur(10px);
}

.produto-conteudo{
    padding:24px;
}

.produto-meta{
    min-height:20px;
    display:flex;
    justify-content:space-between;
    gap:12px;
    color:#1789c9;
    font-size:10px;
    line-height:1.4;
    text-transform:uppercase;
    letter-spacing:.08em;
    font-weight:800;
}

.produto h3{
    min-height:54px;
    margin-top:10px;
    font-size:20px;
    line-height:1.3;
    letter-spacing:-.025em;
    font-weight:900;
}

.produto p{
    min-height:66px;
    margin-top:11px;
    color:#687985;
    font-size:12px;
    line-height:1.65;
}

.produto-acoes{
    display:flex;
    align-items:center;
    gap:9px;
    margin-top:20px;
}

.ver-produto{
    min-height:46px;
    flex:1;
    padding:0 16px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    border-radius:9px;
    background:#0a151c;
    color:#fff;
    font-size:12px;
    font-weight:800;
}

.whatsapp-produto{
    width:46px;
    height:46px;
    flex:0 0 46px;
    display:grid;
    place-items:center;
    border-radius:50%;
    background:var(--verde);
}

.whatsapp-produto svg,
.whatsapp svg{
    width:22px;
    fill:#fff;
}

.sem-resultados{
    padding:80px 20px;
    text-align:center;
}

.sem-resultados h3{
    font-size:28px;
}

.sem-resultados p{
    margin-top:10px;
    color:#687985;
}

.ajuda{
    padding:80px max(8vw,30px);
    display:flex;
    justify-content:space-between;
    align-items:center;
    gap:50px;
    color:#fff;
    background:#071017;
}

.ajuda > div{
    max-width:760px;
}

.ajuda p{
    max-width:680px;
    margin-top:20px;
    color:#aab9c3;
    line-height:1.7;
}

.botao.whatsapp{
    min-width:250px;
    background:#25b85e;
}

footer{
    padding:65px max(7vw,28px) 30px;
    background:#03080b;
    color:#fff;
}

footer > img{
    width:170px;
    max-height:70px;
    object-fit:contain;
}

footer > p{
    margin-top:17px;
    color:#84949e;
    font-size:12px;
}

.contatos{
    display:grid;
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:15px;
    margin-top:38px;
}

.contatos > a{
    min-height:88px;
    padding:17px;
    display:flex;
    align-items:center;
    gap:14px;
    border:1px solid #18303e;
    border-radius:14px;
    background:#07131a;
}

.icone{
    width:44px;
    height:44px;
    flex:0 0 44px;
    display:grid;
    place-items:center;
    border-radius:50%;
    background:#168bcf;
}

.icone svg{
    width:22px;
    height:22px;
    fill:none;
    stroke:#fff;
    stroke-width:2;
    stroke-linecap:round;
    stroke-linejoin:round;
}

.icone svg path:first-child,
.contatos > a:first-child .icone svg{
    fill:#fff;
    stroke:none;
}

.icone .preenchido{
    fill:#fff;
    stroke:none;
}

.contatos small,
.contatos strong{
    display:block;
}

.contatos small{
    margin-bottom:4px;
    color:#8298a5;
    font-size:9px;
}

.contatos strong{
    font-size:12px;
}

.copyright{
    padding-top:28px;
    margin-top:45px;
    border-top:1px solid #13232c;
}

@media(max-width:1050px){
    .hero{
        grid-template-columns:1fr;
    }

    .hero-visual{
        min-height:400px;
    }

    .grade{
        grid-template-columns:repeat(2,minmax(0,1fr));
    }

    .cabecalho nav{
        display:none;
    }
}

@media(max-width:720px){
    .cabecalho{
        height:76px;
        padding:0 18px;
    }

    .logo img{
        width:132px;
    }

    .cabecalho .loja{
        min-height:42px;
        padding:0 14px;
        font-size:10px;
    }

    .hero{
        min-height:auto;
        padding:75px 22px 60px;
        grid-template-columns:minmax(0,1fr);
        gap:35px;
    }

    .hero h1{
        font-size:46px;
    }

    .hero-visual{
        min-height:355px;
    }

    .visual-circulo{
        width:300px;
        height:300px;
    }

    .catalogo{
        padding:70px 18px;
    }

    .titulo-area{
        display:block;
    }

    .titulo-area > p{
        margin-top:15px;
    }

    .filtros{
        flex-wrap:nowrap;
        overflow-x:auto;
        padding-bottom:7px;
    }

    .filtros button{
        flex:0 0 auto;
    }

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

    .produto-imagem{
        height:260px;
    }

    .ajuda{
        padding:65px 22px;
        display:block;
    }

    .ajuda .botao{
        width:100%;
        margin-top:30px;
    }

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

.produto-meta strong{
    color:#111820;
    font-size:12px;
    letter-spacing:0;
    white-space:nowrap;
}

.grade[aria-busy="true"]{
    min-height:500px;
    opacity:.45;
    pointer-events:none;
}

.produto-imagem.sem-imagem{
    background:
        radial-gradient(circle at 70% 25%,rgba(52,152,219,.52),transparent 25%),
        linear-gradient(135deg,#081923,#17445d);
}

.tv-download-catalogo{
    border-color:rgba(255,255,255,.45)!important;
    color:#fff!important;
    background:rgba(255,255,255,.07)!important;
    backdrop-filter:blur(10px);
}

.tv-download-catalogo:hover{
    border-color:#57bdf3!important;
    background:rgba(52,152,219,.16)!important;
}

.produto-categoria{
    max-width:calc(100% - 30px);
    overflow:hidden;
    text-overflow:ellipsis;
    white-space:nowrap;
}