/* ============================================================
   A.B.S. Calhas — Site público
   Identidade: aço grafite, zinco e laranja-solda
   ============================================================ */
:root {
    --grafite: #14161B;
    --aco:     #1D222B;
    --aco-2:   #262C37;
    --zinco:   #C9CFD8;
    --branco:  #F4F6F9;
    --laranja: #FF6B1A;
    --laranja-claro: #FFB37A;
    --linha:   rgba(201, 207, 216, .14);
    --fonte-display: "Oswald", "Arial Narrow", sans-serif;
    --fonte-texto: "Inter", system-ui, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    background: var(--grafite);
    color: var(--zinco);
    font-family: var(--fonte-texto);
    font-size: 16px;
    line-height: 1.65;
    overflow-x: hidden;
}
img, video { display: block; max-width: 100%; }
a { color: inherit; }

.container { width: min(1180px, 92%); margin: 0 auto; }
.container-estreito { width: min(760px, 92%); margin: 0 auto; }
.centro { text-align: center; margin-top: 2.5rem; }

/* ---------- Topo ---------- */
.topo {
    position: fixed; inset: 0 0 auto 0; z-index: 50;
    background: linear-gradient(180deg, rgba(20,22,27,.92), rgba(20,22,27,0));
    transition: background .3s ease, box-shadow .3s ease;
}
.topo.compacto {
    background: rgba(20,22,27,.96);
    box-shadow: 0 1px 0 var(--linha);
    backdrop-filter: blur(8px);
}
.topo-inner {
    width: min(1280px, 94%); margin: 0 auto;
    display: flex; align-items: center; justify-content: space-between;
    padding: .9rem 0;
}
.marca { text-decoration: none; line-height: 1; }
.marca-selo {
    font-family: var(--fonte-display); font-weight: 700; font-size: 1.7rem;
    color: var(--branco); letter-spacing: .04em; display: block;
}
.marca-sub {
    font-family: var(--fonte-display); font-weight: 400; font-size: .95rem;
    color: var(--laranja); text-transform: uppercase; letter-spacing: .5em; display: block;
}
.menu { display: flex; align-items: center; gap: 1.7rem; }
.menu a {
    text-decoration: none; font-size: .92rem; font-weight: 500; color: var(--zinco);
    transition: color .2s ease;
}
.menu a:hover { color: var(--branco); }
.menu-cta {
    background: var(--laranja); color: var(--grafite) !important;
    padding: .55rem 1.2rem; font-weight: 700 !important;
    clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
}
.menu-area { opacity: .75; }
.hamburguer { display: none; background: none; border: 0; cursor: pointer; }
.hamburguer span { display: block; width: 26px; height: 2px; background: var(--branco); margin: 6px 0; transition: .3s; }

/* ---------- Hero ---------- */
.hero {
    position: relative; min-height: 100svh;
    display: flex; align-items: center; justify-content: center;
    overflow: hidden;
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 4.5vw), 0 100%);
}
.hero-video { position: absolute; inset: -12% 0; z-index: 0; }
.hero-video video { width: 100%; height: 100%; object-fit: cover; }
.hero-veu {
    position: absolute; inset: 0; z-index: 1;
    background:
        radial-gradient(ellipse at 30% 60%, rgba(20,22,27,.25), rgba(20,22,27,.85) 80%),
        linear-gradient(180deg, rgba(20,22,27,.55), rgba(20,22,27,.35) 45%, rgba(20,22,27,.9));
}
.hero-conteudo { position: relative; z-index: 2; text-align: center; padding: 7rem 6% 5rem; }
.hero-etiqueta {
    display: inline-block; font-size: .8rem; font-weight: 600; letter-spacing: .28em;
    text-transform: uppercase; color: var(--laranja-claro);
    border: 1px solid rgba(255,107,26,.4); padding: .45rem 1.1rem; margin-bottom: 1.6rem;
    clip-path: polygon(10px 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
}
.hero h1 {
    font-family: var(--fonte-display); font-weight: 600; text-transform: uppercase;
    font-size: clamp(2.6rem, 7.5vw, 5.4rem); line-height: 1.02; color: var(--branco);
    letter-spacing: .015em;
}
.hero h1 em { font-style: normal; color: var(--laranja); }
.hero-texto { max-width: 560px; margin: 1.4rem auto 2.2rem; font-size: 1.08rem; color: var(--zinco); }
.hero-acoes { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.hero-seta {
    position: absolute; bottom: 6vw; left: 50%; transform: translateX(-50%); z-index: 2;
}
.hero-seta span {
    display: block; width: 22px; height: 36px; border: 2px solid rgba(244,246,249,.5); border-radius: 12px;
    position: relative;
}
.hero-seta span::after {
    content: ""; position: absolute; top: 7px; left: 50%; width: 3px; height: 8px;
    background: var(--laranja); transform: translateX(-50%); border-radius: 2px;
    animation: rolar 1.6s infinite;
}
@keyframes rolar { 0% {opacity: 1; top: 7px;} 100% {opacity: 0; top: 20px;} }

/* ---------- Botões ---------- */
.botao {
    display: inline-block; text-decoration: none; cursor: pointer; border: 0;
    font-family: var(--fonte-texto); font-weight: 700; font-size: .95rem;
    padding: .95rem 2rem; transition: transform .2s ease, background .2s ease, color .2s ease;
    clip-path: polygon(12px 0, 100% 0, calc(100% - 12px) 100%, 0 100%);
}
.botao:hover { transform: translateY(-2px); }
.botao-laranja { background: var(--laranja); color: var(--grafite); }
.botao-laranja:hover { background: var(--laranja-claro); }
.botao-vidro { background: rgba(244,246,249,.1); color: var(--branco); border: 1px solid rgba(244,246,249,.25); backdrop-filter: blur(6px); }
.botao-contorno { background: transparent; color: var(--laranja); border: 1px solid var(--laranja); }
.botao-contorno:hover { background: var(--laranja); color: var(--grafite); }
.botao-largo { width: 100%; }

/* ---------- Faixa marquee ---------- */
.faixa {
    background: var(--laranja); color: var(--grafite);
    overflow: hidden; padding: .75rem 0;
    transform: rotate(-1.2deg) scale(1.02); margin: -1.2rem 0 0;
    box-shadow: 0 8px 30px rgba(0,0,0,.45);
    position: relative; z-index: 3;
}
.faixa-trilho {
    display: flex; gap: 2rem; width: max-content;
    animation: correr 26s linear infinite;
    font-family: var(--fonte-display); font-weight: 600; text-transform: uppercase;
    font-size: 1rem; letter-spacing: .12em; align-items: center;
}
.faixa-trilho i { font-style: normal; font-size: .6rem; opacity: .6; }
@keyframes correr { to { transform: translateX(-50%); } }

/* ---------- Seções ---------- */
.secao { padding: 7rem 0; position: relative; }
.secao-escura {
    background: var(--aco);
    clip-path: polygon(0 3.5vw, 100% 0, 100% calc(100% - 3.5vw), 0 100%);
    padding: calc(7rem + 3.5vw) 0;
}
.etiqueta {
    font-size: .78rem; font-weight: 700; letter-spacing: .3em; text-transform: uppercase;
    color: var(--laranja); margin-bottom: .9rem;
}
.titulo {
    font-family: var(--fonte-display); font-weight: 600; text-transform: uppercase;
    font-size: clamp(1.9rem, 4.4vw, 3rem); line-height: 1.08; color: var(--branco);
    margin-bottom: 2.8rem;
}
.paragrafo { max-width: 520px; margin-bottom: 1.4rem; }

/* Serviços */
.grade-servicos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.cartao-servico {
    background: var(--aco); border: 1px solid var(--linha); padding: 2rem 1.7rem 1.9rem;
    position: relative; overflow: hidden; transition: transform .25s ease, border-color .25s ease;
}
.cartao-servico::before {
    content: ""; position: absolute; top: 0; left: 0; width: 42px; height: 4px; background: var(--laranja);
    transition: width .3s ease;
}
.cartao-servico:hover { transform: translateY(-6px); border-color: rgba(255,107,26,.45); }
.cartao-servico:hover::before { width: 100%; }
.cartao-num {
    font-family: var(--fonte-display); text-transform: uppercase; letter-spacing: .22em;
    font-size: .72rem; color: var(--laranja-claro); margin-bottom: 1rem;
}
.cartao-servico h3 { font-family: var(--fonte-display); text-transform: uppercase; font-weight: 500; font-size: 1.25rem; color: var(--branco); margin-bottom: .6rem; }
.cartao-servico p { font-size: .93rem; color: var(--zinco); }

/* ---------- Banda parallax / números ---------- */
.banda, .secao-orcamento { position: relative; overflow: hidden; }
.parallax-fundo {
    background-size: cover; background-position: center;
    background-attachment: fixed;
}
@media (max-width: 900px), (prefers-reduced-motion: reduce) {
    .parallax-fundo { background-attachment: scroll; }
}
.banda { padding: 6.5rem 0; clip-path: polygon(0 0, 100% 3vw, 100% 100%, 0 calc(100% - 3vw)); }
.banda-veu { position: absolute; inset: 0; background: rgba(20,22,27,.82); }
.banda-conteudo { position: relative; display: flex; justify-content: space-around; gap: 2rem; flex-wrap: wrap; text-align: center; }
.numero strong {
    font-family: var(--fonte-display); font-weight: 700; font-size: clamp(2.6rem, 6vw, 4.4rem);
    color: var(--laranja); display: block; line-height: 1;
}
.numero strong::after { content: "+"; font-size: .55em; vertical-align: super; opacity: .8; }
.numero span { text-transform: uppercase; letter-spacing: .2em; font-size: .8rem; }

/* ---------- Duas colunas / vídeo 2 ---------- */
.duas-colunas { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.lista-check { list-style: none; margin: 0 0 2rem; }
.lista-check li { padding-left: 1.7rem; position: relative; margin-bottom: .55rem; }
.lista-check li::before { content: "✔"; position: absolute; left: 0; color: var(--laranja); font-size: .85rem; }
.moldura-video {
    border: 1px solid var(--linha);
    box-shadow: 24px 24px 0 rgba(255,107,26,.14);
    clip-path: polygon(0 0, 100% 3%, 100% 100%, 0 97%);
}
.moldura-video video { width: 100%; height: 100%; object-fit: cover; }

/* ---------- Galeria ---------- */
.galeria { columns: 3 300px; column-gap: 1rem; }
.galeria-item {
    break-inside: avoid; margin: 0 0 1rem; overflow: hidden; cursor: zoom-in;
    border: 1px solid var(--linha); position: relative;
}
.galeria-item img { width: 100%; transition: transform .5s ease, filter .5s ease; filter: saturate(.92); }
.galeria-item:hover img { transform: scale(1.05); filter: saturate(1.1); }
.escondido { display: none; }

/* Lightbox */
.lightbox {
    position: fixed; inset: 0; z-index: 100; background: rgba(10,11,14,.94);
    display: flex; align-items: center; justify-content: center; padding: 3vw;
}
.lightbox[hidden] { display: none; }
.lightbox img { max-width: 94vw; max-height: 90vh; box-shadow: 0 20px 80px rgba(0,0,0,.7); }
.lightbox-fechar {
    position: absolute; top: 1.2rem; right: 1.6rem; background: none; border: 0;
    color: var(--branco); font-size: 2.6rem; cursor: pointer; line-height: 1;
}

/* ---------- Passos ---------- */
.passos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; }
.passo { border: 1px solid var(--linha); padding: 2.2rem 1.8rem; background: rgba(20,22,27,.4); }
.passo-n {
    font-family: var(--fonte-display); font-weight: 700; font-size: 2.6rem; color: var(--laranja);
    display: block; line-height: 1; margin-bottom: 1rem;
}
.passo h3 { font-family: var(--fonte-display); text-transform: uppercase; font-weight: 500; color: var(--branco); margin-bottom: .5rem; }
.passo p { font-size: .93rem; }

/* ---------- Formulário ---------- */
.secao-orcamento { padding: 8rem 0; }
.cartao-form {
    position: relative; background: rgba(20,22,27,.92); border: 1px solid var(--linha);
    padding: 3rem clamp(1.4rem, 4vw, 3rem); backdrop-filter: blur(4px);
}
.formulario label { display: block; font-size: .84rem; font-weight: 600; margin-bottom: 1.1rem; color: var(--zinco); }
.formulario input, .formulario select, .formulario textarea {
    display: block; width: 100%; margin-top: .4rem;
    background: var(--aco); border: 1px solid var(--linha); color: var(--branco);
    padding: .8rem .9rem; font-family: var(--fonte-texto); font-size: .95rem;
}
.formulario input:focus, .formulario select:focus, .formulario textarea:focus {
    outline: 2px solid var(--laranja); outline-offset: -1px;
}
.linha-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.aviso { padding: 1rem 1.2rem; margin-bottom: 1.4rem; font-size: .95rem; }
.aviso-ok { background: rgba(34,197,94,.12); border: 1px solid rgba(34,197,94,.5); color: #B8EFC9; }
.aviso-ok a { color: #7CE59C; }
.aviso-erro { background: rgba(239,68,68,.12); border: 1px solid rgba(239,68,68,.5); color: #F5B5B5; }

/* ---------- Rodapé ---------- */
.rodape { background: #0E1014; border-top: 1px solid var(--linha); padding: 4.5rem 0 0; }
.rodape-grade { display: grid; grid-template-columns: 1.4fr 1fr 1.2fr .8fr; gap: 2.5rem; padding-bottom: 3rem; }
.rodape h4 { font-family: var(--fonte-display); text-transform: uppercase; letter-spacing: .16em; font-size: .82rem; color: var(--laranja); margin-bottom: .8rem; }
.rodape p, .rodape a { font-size: .9rem; color: var(--zinco); }
.rodape-texto { margin-top: .8rem; }
.rodape-base { border-top: 1px solid var(--linha); text-align: center; padding: 1.3rem 0; font-size: .8rem; opacity: .6; }

/* ---------- WhatsApp flutuante ---------- */
.zap-flutuante {
    position: fixed; right: 1.4rem; bottom: 1.4rem; z-index: 60;
    width: 58px; height: 58px; border-radius: 50%;
    background: #25D366; color: #fff; display: flex; align-items: center; justify-content: center;
    box-shadow: 0 8px 28px rgba(0,0,0,.5);
    animation: pulsar 2.4s infinite;
}
@keyframes pulsar {
    0%, 100% { box-shadow: 0 8px 28px rgba(0,0,0,.5), 0 0 0 0 rgba(37,211,102,.5); }
    60% { box-shadow: 0 8px 28px rgba(0,0,0,.5), 0 0 0 16px rgba(37,211,102,0); }
}

/* ---------- Animações de revelação ---------- */
.revelar { opacity: 0; transform: translateY(34px); transition: opacity .8s ease, transform .8s ease; }
.revelar.visivel { opacity: 1; transform: none; }
.atraso-1 { transition-delay: .12s; }
.atraso-2 { transition-delay: .24s; }
.atraso-3 { transition-delay: .36s; }
@media (prefers-reduced-motion: reduce) {
    .revelar { opacity: 1; transform: none; transition: none; }
    .faixa-trilho { animation: none; }
    html { scroll-behavior: auto; }
}

/* ---------- Responsivo ---------- */
@media (max-width: 980px) {
    .grade-servicos, .passos { grid-template-columns: 1fr 1fr; }
    .duas-colunas { grid-template-columns: 1fr; gap: 2.5rem; }
    .rodape-grade { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
    .grade-servicos, .passos, .linha-2, .rodape-grade { grid-template-columns: 1fr; }
    .menu {
        position: fixed; inset: 0 0 auto 0; top: 62px; flex-direction: column; align-items: stretch;
        background: rgba(20,22,27,.98); padding: 1.4rem 6%; gap: 1.1rem;
        transform: translateY(-130%); transition: transform .3s ease;
        border-bottom: 1px solid var(--linha);
    }
    .menu.aberto { transform: none; }
    .hamburguer { display: block; }
    .secao { padding: 4.5rem 0; }
}