/* SaraVolt Energia Solar — estilo do site
   Cores da marca: azul-marinho do logotipo + amarelo do "Volt". */
:root{
  --navy:#0f2542; --navy-2:#173660; --tinta:#0a1a30;
  --amarelo:#f0bf17; --amarelo-2:#d9a70b; --amarelo-claro:#fff6d6;
  --zap:#25d366; --creme:#faf7ef; --cinza:#f3f5f8; --branco:#fff;
  --borda:#e4e9f0; --texto:#1d2a3b; --texto-2:#4f5d70;
  --raio:22px; --sombra:0 18px 40px rgba(15,37,66,.12);
  --largura:1180px;
  --fonte-titulo:'Outfit',system-ui,-apple-system,'Segoe UI',sans-serif;
  --fonte:'DM Sans',system-ui,-apple-system,'Segoe UI',sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
section[id]{scroll-margin-top:76px}
body{margin:0;font-family:var(--fonte);color:var(--texto);background:var(--branco);line-height:1.6;font-size:17px;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--navy)}
h1,h2,h3{font-family:var(--fonte-titulo);color:var(--navy);line-height:1.1;margin:0 0 .5em;letter-spacing:-.02em;font-weight:700}
h1{font-size:clamp(2.2rem,5.4vw,3.9rem)}
h2{font-size:clamp(1.8rem,3.8vw,2.8rem)}
h3{font-size:1.3rem;font-weight:600}
p{margin:0 0 1em}
.container{width:min(var(--largura),100% - 32px);margin-inline:auto}
.secao{padding:clamp(70px,9vw,120px) 0}
.secao.cinza{background:var(--cinza)}
.sobre{display:inline-flex;align-items:center;gap:10px;font-family:var(--fonte-titulo);font-weight:600;font-size:.82rem;letter-spacing:.16em;text-transform:uppercase;color:var(--amarelo-2);margin-bottom:14px}
.sobre:before{content:"";width:26px;height:3px;border-radius:3px;background:var(--amarelo)}
.cabeca{max-width:700px;margin-bottom:48px}
.cabeca p{color:var(--texto-2);font-size:1.08rem}
.cabeca.centro{margin-inline:auto;text-align:center}
.cabeca.centro .sobre{justify-content:center}
.cabeca-linha{max-width:none;display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap}
.cabeca-linha h2{margin:0}.cabeca-linha p{margin:0;max-width:360px}
.pular{position:absolute;left:-999px;top:0;background:#fff;padding:10px 14px;z-index:100}
.pular:focus{left:12px;top:12px}

/* Botões */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:54px;padding:14px 28px;border-radius:14px;font-family:var(--fonte-titulo);font-weight:600;font-size:1.02rem;text-decoration:none;border:2px solid transparent;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,background .15s ease,color .15s ease}
.btn:hover{transform:translateY(-2px)}
.btn:focus-visible,.foto:focus-visible,summary:focus-visible,a:focus-visible{outline:3px solid var(--amarelo);outline-offset:3px}
.btn-amarelo{background:var(--amarelo);color:var(--navy);box-shadow:0 10px 24px rgba(240,191,23,.35)}
.btn-amarelo:hover{background:#ffcd2a}
.btn-escuro{background:var(--navy);color:#fff}
.btn-escuro:hover{background:var(--navy-2)}
.btn-vazado{border-color:rgba(255,255,255,.45);color:#fff}
.btn-vazado:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-vazado-escuro{border-color:var(--navy);color:var(--navy)}
.btn-vazado-escuro:hover{background:var(--navy);color:#fff}
.btn-pq{min-height:44px;padding:9px 18px;font-size:.95rem;border-radius:12px;box-shadow:none}
.btn-largo{width:100%}
.ic-zap{width:21px;height:21px;flex:none}

/* Cabeçalho */
.topo{position:sticky;top:0;z-index:50;background:rgba(15,37,66,.96);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.08)}
.topo .container{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px}
.logo img{height:40px;width:auto}
.menu{display:flex;align-items:center;gap:30px}
.menu a:not(.btn){color:#d6e0ec;text-decoration:none;font-weight:500;font-size:.98rem;position:relative}
.menu a:not(.btn):after{content:"";position:absolute;left:0;right:100%;bottom:-6px;height:2px;background:var(--amarelo);transition:right .2s}
.menu a:not(.btn):hover{color:#fff}.menu a:not(.btn):hover:after{right:0}
.botao-menu{display:none;background:none;border:0;color:#fff;width:46px;height:46px;padding:10px;cursor:pointer;border-radius:10px}
.botao-menu svg{width:26px;height:26px}

/* Topo (hero) */
.hero{position:relative;background:var(--navy);color:#cfdbe8;overflow:hidden;padding:clamp(48px,7vw,96px) 0 clamp(70px,8vw,110px)}
.hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:56px 56px;mask-image:linear-gradient(180deg,#000,transparent 85%);-webkit-mask-image:linear-gradient(180deg,#000,transparent 85%)}
.hero-sol{position:absolute;right:-180px;top:-200px;width:620px;height:620px;border-radius:50%;background:radial-gradient(circle,rgba(240,191,23,.55) 0,rgba(240,191,23,.18) 38%,rgba(240,191,23,0) 68%)}
.hero-grade{position:relative;display:grid;grid-template-columns:1.08fr .92fr;gap:clamp(32px,5vw,70px);align-items:center}
.etiqueta{display:inline-flex;align-items:center;gap:10px;padding:8px 16px;border:1px solid rgba(255,255,255,.18);border-radius:999px;font-size:.88rem;font-weight:500;color:#e8eef6;margin-bottom:24px;background:rgba(255,255,255,.04)}
.etiqueta i{width:8px;height:8px;border-radius:50%;background:var(--amarelo);box-shadow:0 0 0 4px rgba(240,191,23,.25)}
.hero h1{color:#fff}
.hero h1 em{font-style:normal;color:var(--amarelo);white-space:nowrap}
.lead{font-size:clamp(1.05rem,1.6vw,1.2rem);max-width:560px;margin-bottom:30px}
.acoes{display:flex;flex-wrap:wrap;gap:14px}
.hero-lista{list-style:none;padding:0;margin:34px 0 0;display:flex;flex-wrap:wrap;gap:12px 26px;font-size:.95rem}
.hero-lista li{display:flex;align-items:center;gap:9px}
.hero-lista li:before{content:"";width:18px;height:18px;border-radius:50%;flex:none;background:var(--amarelo) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230f2542' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 12.5l4 4L18 8'/%3E%3C/svg%3E") center/12px no-repeat}
.hero-foto{position:relative;margin:0 10px 0 0}
.hero-foto:before{content:"";position:absolute;inset:22px -22px -22px 22px;border:2px solid var(--amarelo);border-radius:var(--raio)}
.hero-foto img{position:relative;width:100%;aspect-ratio:6/7;object-fit:cover;border-radius:var(--raio);box-shadow:0 30px 60px rgba(0,0,0,.35)}
.selo{position:absolute;background:#fff;color:var(--navy);border-radius:16px;box-shadow:var(--sombra);padding:14px 18px;display:flex;align-items:center;gap:12px;font-size:.9rem;line-height:1.3}
.selo strong{font-family:var(--fonte-titulo);font-size:1.5rem;display:block;line-height:1}
.selo-a{left:-34px;bottom:46px;flex-direction:column;align-items:flex-start;gap:4px;max-width:170px}
.selo-a span{color:var(--texto-2)}
.selo-b{right:-12px;top:34px;font-weight:600}
.selo-b svg{width:34px;height:34px;padding:7px;border-radius:50%;background:var(--amarelo);flex:none}

/* Faixa que corre */
.faixa{background:var(--amarelo);overflow:hidden;padding:16px 0;border-block:1px solid var(--amarelo-2)}
.faixa-trilho{display:flex;width:max-content;animation:correr 32s linear infinite}
.faixa span{font-family:var(--fonte-titulo);font-weight:600;color:var(--navy);font-size:1.05rem;padding:0 26px;white-space:nowrap;display:flex;align-items:center;gap:52px}
.faixa span:after{content:"✦";font-size:.85rem;opacity:.7}
@keyframes correr{to{transform:translateX(-50%)}}

/* Soluções */
.solucoes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px}
.solucao{background:#fff;border:1px solid var(--borda);border-radius:var(--raio);overflow:hidden;display:flex;flex-direction:column;transition:box-shadow .2s,transform .2s}
.solucao:hover{box-shadow:var(--sombra);transform:translateY(-4px)}
.solucao-foto{overflow:hidden;aspect-ratio:4/3}
.solucao-foto img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.solucao:hover .solucao-foto img{transform:scale(1.05)}
.solucao-corpo{padding:24px 26px 26px;display:flex;flex-direction:column;flex:1}
.solucao-corpo p{color:var(--texto-2)}
.link{margin-top:auto;font-family:var(--fonte-titulo);font-weight:600;text-decoration:none;color:var(--navy);display:inline-flex;gap:8px;align-items:center}
.link span{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--amarelo-claro);transition:background .2s,transform .2s}
.link:hover span{background:var(--amarelo);transform:translateX(3px)}

/* Simulador */
.sim-secao{background:var(--creme)}
.sim-grade{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(32px,6vw,80px);align-items:center}
.sim-intro p{color:var(--texto-2);font-size:1.08rem}
.lista-check{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:12px}
.lista-check li{padding-left:32px;position:relative;color:var(--texto-2)}
.lista-check li b{color:var(--navy)}
.lista-check li:before{content:"";position:absolute;left:0;top:3px;width:20px;height:20px;border-radius:50%;background:var(--navy) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23f0bf17' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 12.5l4 4L18 8'/%3E%3C/svg%3E") center/12px no-repeat}
.simulador{background:var(--navy);color:#cfdbe8;border-radius:28px;padding:clamp(24px,4vw,40px);box-shadow:0 30px 60px rgba(15,37,66,.25);position:relative;overflow:hidden}
.simulador:before{content:"";position:absolute;right:-90px;top:-90px;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle,rgba(240,191,23,.35),rgba(240,191,23,0) 70%)}
.simulador h3{color:#fff;font-size:1.05rem;font-weight:500;position:relative}
.campo-valor{display:flex;align-items:baseline;gap:10px;border-bottom:2px solid rgba(255,255,255,.18);padding-bottom:6px;margin-bottom:20px;position:relative}
.campo-valor span{font-family:var(--fonte-titulo);font-size:1.6rem;color:var(--amarelo);font-weight:600}
.campo-valor input{flex:1;min-width:0;background:none;border:0;color:#fff;font-family:var(--fonte-titulo);font-size:clamp(2.4rem,6vw,3.4rem);font-weight:700;padding:0;outline:none}
.campo-valor:focus-within{border-color:var(--amarelo)}
.regua{width:100%;accent-color:var(--amarelo);height:28px;cursor:pointer;position:relative}
.regua-rotulos{display:flex;justify-content:space-between;font-size:.8rem;color:#8ea2ba;margin:-2px 0 22px}
.resultados{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-bottom:22px}
.res{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);border-radius:16px;padding:14px 16px;min-width:0}
.res small{display:block;font-size:.8rem;color:#a7b7ca;margin-bottom:4px}
.res strong{display:block;font-family:var(--fonte-titulo);color:#fff;font-size:1.22rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.res em{display:block;font-style:normal;font-size:.76rem;color:#a7b7ca;margin-top:2px;white-space:nowrap}
.res.destaque{grid-column:1/-1;background:var(--amarelo);border-color:var(--amarelo)}
.res.destaque small{color:#5b4a00}
.res.destaque strong{color:var(--navy);font-size:clamp(1.9rem,4vw,2.4rem)}
.aviso{font-size:.8rem;color:#8ea2ba;margin:14px 0 0;line-height:1.45}

/* Como funciona */
.linha-tempo{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px;position:relative}
.linha-tempo:before{content:"";position:absolute;left:30px;right:30px;top:30px;height:2px;background:repeating-linear-gradient(90deg,var(--amarelo) 0 10px,transparent 10px 18px)}
.linha-tempo li{position:relative}
.num{display:grid;place-items:center;width:60px;height:60px;border-radius:18px;background:var(--navy);color:var(--amarelo);font-family:var(--fonte-titulo);font-weight:700;font-size:1.25rem;margin-bottom:22px;position:relative;box-shadow:0 0 0 8px #fff}
.linha-tempo p{color:var(--texto-2);margin:0}

/* Por que */
.porque{background:var(--navy);color:#cfdbe8;position:relative;overflow:hidden}
.porque h2{color:#fff}
.porque .sobre{color:var(--amarelo)}
.lead-escuro{font-size:1.08rem;margin-bottom:28px}
.porque-grade{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(36px,6vw,80px);align-items:center}
.porque-foto{position:relative}
.porque-foto img{width:100%;aspect-ratio:5/6;object-fit:cover;border-radius:var(--raio)}
.porque-selo{position:absolute;right:-18px;bottom:30px;background:var(--amarelo);color:var(--navy);border-radius:16px;padding:16px 20px;box-shadow:0 18px 40px rgba(0,0,0,.3);line-height:1.25}
.porque-selo b{display:block;font-family:var(--fonte-titulo);font-size:1.35rem}
.porque-selo span{font-size:.9rem}
.vantagens{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-bottom:32px}
.vantagem{display:flex;gap:14px;padding:18px;border-radius:18px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08)}
.vantagem svg{width:42px;height:42px;padding:9px;border-radius:12px;background:rgba(240,191,23,.14);color:var(--amarelo);flex:none}
.vantagem b{display:block;color:#fff;font-family:var(--fonte-titulo);font-weight:600;margin-bottom:2px}
.vantagem span{font-size:.93rem;line-height:1.45}

/* Galeria */
.galeria{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-auto-rows:220px;grid-auto-flow:dense;gap:14px}
.foto{padding:0;border:0;border-radius:18px;overflow:hidden;cursor:zoom-in;background:var(--cinza);position:relative}
.foto img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.foto:hover img{transform:scale(1.06)}
.foto.alta{grid-row:span 2}
.foto.larga{grid-column:span 2}
.caixa-luz{position:fixed;inset:0;z-index:200;background:rgba(6,14,26,.92);display:flex;align-items:center;justify-content:center;padding:20px}
.caixa-luz[hidden]{display:none}
.caixa-luz img{max-width:min(1100px,100%);max-height:86vh;border-radius:12px;object-fit:contain}
.caixa-luz button{position:absolute;background:rgba(255,255,255,.12);color:#fff;border:0;width:52px;height:52px;border-radius:50%;font-size:2rem;line-height:1;cursor:pointer}
.caixa-luz button:hover{background:var(--amarelo);color:var(--navy)}
.cl-fechar{top:18px;right:18px}.cl-ant{left:18px}.cl-prox{right:18px}

/* Dúvidas */
.duvidas-grade{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(30px,5vw,70px);align-items:start}
.duvidas-grade .cabeca{position:sticky;top:110px;margin:0}
.faq{display:grid;gap:12px}
.faq details{background:#fff;border:1px solid var(--borda);border-radius:16px;padding:0 22px;transition:box-shadow .2s}
.faq details[open]{box-shadow:var(--sombra)}
.faq summary{cursor:pointer;list-style:none;font-family:var(--fonte-titulo);font-weight:600;color:var(--navy);font-size:1.08rem;padding:20px 40px 20px 0;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);width:30px;height:30px;border-radius:50%;background:var(--amarelo-claro);display:grid;place-items:center;font-size:1.3rem;font-weight:500;transition:transform .2s,background .2s}
.faq details[open] summary:after{transform:translateY(-50%) rotate(45deg);background:var(--amarelo)}
.faq p{color:var(--texto-2);padding-bottom:20px;margin:0}

/* Chamada final */
.cta{padding:0 0 clamp(70px,9vw,110px);background:var(--cinza)}
.cta-caixa{background:var(--amarelo);border-radius:28px;padding:clamp(30px,5vw,56px);display:grid;grid-template-columns:1.3fr auto;gap:30px;align-items:center;position:relative;overflow:hidden}
.cta-caixa:before{content:"";position:absolute;right:-60px;bottom:-120px;width:300px;height:300px;border-radius:50%;border:40px solid rgba(255,255,255,.25)}
.cta-caixa h2{font-size:clamp(1.6rem,3.2vw,2.3rem)}
.cta-caixa p{color:#4a3c00;margin:0;font-size:1.06rem}
.cta-caixa .acoes{position:relative;flex-direction:column}

/* Rodapé */
.rodape{background:var(--tinta);color:#9fb0c4;padding:64px 0 28px;font-size:.95rem}
.rodape-grade{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
.rodape img{height:40px;width:auto;margin-bottom:16px}
.rodape h3{color:#fff;font-size:1rem;margin-bottom:14px}
.rodape ul{list-style:none;padding:0;margin:0;display:grid;gap:9px}
.rodape a{color:#c8d4e2;text-decoration:none}
.rodape a:hover{color:var(--amarelo)}
.base{grid-column:1/-1;border-top:1px solid rgba(255,255,255,.08);padding-top:22px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:.85rem}

/* WhatsApp flutuante */
.zap-flutuante{position:fixed;right:20px;bottom:20px;z-index:60;width:60px;height:60px;border-radius:50%;background:var(--zap);color:#fff;display:grid;place-items:center;box-shadow:0 12px 28px rgba(37,211,102,.45);transition:transform .2s}
.zap-flutuante svg{width:32px;height:32px}
.zap-flutuante:hover{transform:scale(1.08)}

/* Animação ao rolar */
.surgir{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.surgir.visivel{opacity:1;transform:none}
.linha-tempo li.surgir:nth-child(2),.solucao.surgir:nth-child(2){transition-delay:.1s}
.linha-tempo li.surgir:nth-child(3),.solucao.surgir:nth-child(3){transition-delay:.2s}
.linha-tempo li.surgir:nth-child(4){transition-delay:.3s}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}.surgir{opacity:1;transform:none}}

/* Páginas de texto */
.pagina-texto{max-width:760px;padding:60px 0 80px}
.pagina-texto h1{font-size:clamp(2rem,4vw,2.6rem)}
.pagina-texto h2{font-size:1.3rem;margin-top:1.6em}
.pagina-texto p{color:var(--texto-2)}

/* Tablet */
@media (max-width:980px){
  .hero-grade,.sim-grade,.porque-grade,.duvidas-grade{grid-template-columns:1fr}
  .hero-foto{max-width:520px;margin:10px auto 0;width:calc(100% - 30px)}
  .solucoes{grid-template-columns:1fr 1fr}
  .linha-tempo{grid-template-columns:1fr 1fr;gap:36px 28px}
  .linha-tempo:before{display:none}
  .porque-foto{max-width:520px;width:calc(100% - 20px)}
  .duvidas-grade .cabeca{position:static}
  .cta-caixa{grid-template-columns:1fr}
  .cta-caixa .acoes{flex-direction:row}
  .rodape-grade{grid-template-columns:1fr 1fr}
  .rodape-grade>div:first-child{grid-column:1/-1}
}
/* Celular */
@media (max-width:760px){
  body{font-size:16px}
  .botao-menu{display:block}
  .menu{position:absolute;left:0;right:0;top:72px;background:var(--navy);flex-direction:column;align-items:stretch;gap:0;padding:8px 16px 18px;border-bottom:1px solid rgba(255,255,255,.1);box-shadow:0 20px 40px rgba(0,0,0,.3);display:none}
  .menu.aberto{display:flex}
  .menu a:not(.btn){padding:15px 4px;border-bottom:1px solid rgba(255,255,255,.08);font-size:1.05rem}
  .menu a:not(.btn):after{display:none}
  .menu .btn{margin-top:14px;min-height:52px}
  .logo img{height:34px}
  .hero h1 em{white-space:normal}
  .hero-sol{width:340px;height:340px;right:-170px;top:-150px;opacity:.75}
  .acoes .btn{width:100%}
  .selo-a{left:-12px;bottom:22px;padding:12px 14px}
  .selo-b{right:-8px;top:18px;padding:10px 14px;font-size:.82rem}
  .selo strong{font-size:1.25rem}
  .solucoes{grid-template-columns:1fr}
  .resultados{grid-template-columns:1fr 1fr}
  .res:last-child{grid-column:1/-1}
  .linha-tempo{grid-template-columns:1fr;gap:26px}
  .linha-tempo li{display:grid;grid-template-columns:60px 1fr;column-gap:18px}
  .linha-tempo li .num{grid-row:span 2;margin:0}
  .linha-tempo h3{margin:4px 0 4px}
  .vantagens{grid-template-columns:1fr}
  .porque-selo{right:-10px;bottom:18px}
  .galeria{grid-template-columns:1fr 1fr;grid-auto-rows:150px;gap:10px}
  .foto.larga{grid-column:span 2}
  .cta-caixa .acoes{flex-direction:column}
  .rodape-grade{grid-template-columns:1fr}
  .base{flex-direction:column}
  .caixa-luz .cl-ant,.caixa-luz .cl-prox{top:auto;bottom:22px}
  .cl-ant{left:calc(50% - 64px)}.cl-prox{right:calc(50% - 64px)}
  .link{padding:8px 0}
  .regua{height:40px}
  .base{padding-bottom:78px}
}
/* Celulares pequenos */
@media (max-width:380px){
  .resultados{grid-template-columns:1fr}
  .res strong{font-size:1.15rem}
}