/* COSTA – Soluções em SST | Estilo do site público (tema sempre claro) */
:root{--bg:#F4F7F6;--card:#fff;--txt:#17302F;--soft:#587270;--pet:#0D4E51;--pet2:#145E60;--sal:#6D9A8A;--tint:#E6EFEC;--borda:#DCE5E3;--btn:#0D4E51;--btxt:#fff;--claro:#9FD3C9;
  color-scheme:light;box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
*,*::before,*::after{box-sizing:inherit}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--bg);color:var(--txt);font:16px/1.6 Inter,system-ui,sans-serif}
h1,h2,h3{font-family:Montserrat,system-ui,sans-serif;line-height:1.2;margin:0}
a{color:inherit}
:focus-visible{outline:3px solid var(--sal);outline-offset:2px}
.pular{position:absolute;left:-9999px;top:8px;z-index:50;background:#fff;color:var(--pet);padding:10px 16px;border-radius:4px;font-weight:600}
.pular:focus{left:12px}

.wrap{max-width:1140px;margin:0 auto;padding:0 20px}
.wrap--estreito{max-width:820px}
section{padding:72px 0}
.secao--branca{background:var(--card)}
.secao--resumo{padding:56px 0 8px}
.secao--sem-topo{padding-top:0}

.eyebrow{font:700 12px Montserrat,sans-serif;letter-spacing:.12em;text-transform:uppercase;color:var(--sal);margin-bottom:10px}
.eyebrow--claro{color:var(--claro)}
h2{font-size:clamp(26px,4vw,36px);color:var(--pet);margin-bottom:12px}
.lead{color:var(--soft);max-width:680px;margin:0 0 32px}

/* Botões */
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 22px;border-radius:4px;letter-spacing:.01em;background:var(--btn);color:var(--btxt);font:600 15px Inter,sans-serif;text-decoration:none;border:2px solid var(--btn);cursor:pointer;transition:opacity .15s}
.btn:hover{opacity:.9}
.btn--out{background:transparent;color:inherit;border-color:currentColor}
.btn--sm{padding:9px 16px;font-size:14px}
.cta{display:flex;gap:12px;flex-wrap:wrap}

/* Topo */
header{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:var(--pet);color:#fff;transition:box-shadow .25s}
header.rolou{box-shadow:0 6px 20px rgba(6,40,42,.28)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.nav img{height:40px;width:auto;display:block}
.nav ul{display:flex;gap:22px;list-style:none;margin:0;padding:0;align-items:center}
.nav a{text-decoration:none;font-weight:500;font-size:15px}
.nav .btn{background:#fff;color:var(--pet);border-color:#fff}
.menu{display:none;background:none;color:#fff;cursor:pointer;font:600 14px Inter,sans-serif;border:1px solid rgba(255,255,255,.5);padding:8px 14px;border-radius:4px}
@media(max-width:860px){
  .menu{display:block}
  .nav ul{display:none;position:absolute;left:0;right:0;top:68px;background:var(--pet);flex-direction:column;padding:16px 20px 22px;gap:16px;align-items:flex-start}
  .nav ul.aberto{display:flex}
}

/* Abertura */
.hero{background:linear-gradient(135deg,#1E7B7E,#0F5A5D);color:#fff;position:relative;padding:100px 0 88px}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px) 0 0/72px 72px;pointer-events:none}
.hero .wrap{position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(32px,6vw,56px);font-weight:700;letter-spacing:-.015em;max-width:780px}
.hero p{font-size:19px;max-width:620px;opacity:.9;margin:18px 0 28px}
.hero .btn{background:#fff;color:var(--pet);border-color:#fff}
.hero .btn--out{background:transparent;color:#fff}
@media(max-width:860px){.hero .wrap{grid-template-columns:1fr;gap:40px}.hero{padding:72px 0 64px}}


/* Sobre */
.sobre{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:start}
.sobre p{color:var(--soft);margin:0 0 14px}
@media(max-width:860px){.sobre{grid-template-columns:1fr}}
.dif{background:var(--tint);border-left:4px solid var(--pet2);border-radius:6px;padding:16px 18px;margin-top:16px}
.dif b{color:var(--pet2)}.dif span{color:var(--soft)}

/* Cartões de destaque (Resumo e Por que a COSTA) */
.porque{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.porque--3{grid-template-columns:repeat(3,1fr)}
@media(max-width:980px){.porque--3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.porque--3{grid-template-columns:1fr}}
.pq{background:var(--card);border:1px solid var(--borda);border-radius:6px;padding:24px}
.pq svg{width:32px;height:32px;stroke:var(--sal);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;margin-bottom:12px}
.pq h3{font-size:17px;margin-bottom:6px}
.pq p{margin:0;color:var(--soft);font-size:15px}

/* Mobilização */
.dest{background:var(--pet);color:#fff;border-radius:6px;padding:40px;display:grid;grid-template-columns:1.3fr 1fr;gap:30px;align-items:center}
.dest h2{color:#fff}
.dest p{opacity:.88;margin:0 0 18px}
.dest .btn{background:#fff;color:var(--pet);border-color:#fff}
.dest .btn--out{background:transparent;color:#fff}
.dest ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.dest li{background:rgba(255,255,255,.08);border-left:3px solid var(--sal);border-radius:6px;padding:12px 14px}
@media(max-width:860px){.dest{grid-template-columns:1fr;padding:28px}}

/* Como funciona */
.passos{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}
.passo{background:var(--card);border:1px solid var(--borda);border-radius:6px;padding:22px}
.passo b{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--btn);color:var(--btxt);font:700 17px Montserrat,sans-serif;margin-bottom:12px}
.passo p{color:var(--soft);margin:6px 0 0;font-size:15px}

/* Diagnóstico */
.diag{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.diag p{color:var(--soft)}
@media(max-width:860px){.diag{grid-template-columns:1fr}}

/* Contratar serviço */
.contratar{background:var(--tint)}
.form{background:var(--card);border:1px solid var(--borda);border-radius:6px;padding:28px;display:grid;grid-template-columns:1fr 1fr;gap:16px;max-width:820px}
.form label{display:grid;gap:6px;font-weight:600;font-size:14px}
.form .full{grid-column:1/-1}
.form input,.form textarea{font:inherit;padding:12px;border:1.5px solid var(--borda);border-radius:6px;background:var(--bg);color:var(--txt);width:100%}
.form input:focus,.form textarea:focus{outline:2px solid var(--sal);border-color:var(--sal)}
.form small{color:var(--soft);font-weight:400}
@media(max-width:640px){.form{grid-template-columns:1fr;padding:20px}}
.opcoes{border:0;padding:0;margin:0;min-width:0}
.opcoes legend{font-weight:600;font-size:14px;margin-bottom:8px;padding:0}
.opcoes>div{display:grid;grid-template-columns:1fr 1fr;gap:8px}
@media(max-width:640px){.opcoes>div{grid-template-columns:1fr}}
.form .opt{display:flex;align-items:center;gap:10px;font-weight:500;border:1.5px solid var(--borda);border-radius:6px;padding:11px 12px;cursor:pointer;background:var(--bg)}
.form .opt input{width:18px;height:18px;padding:0;flex:none;accent-color:var(--btn)}
.form .opt:has(input:checked){border-color:var(--sal);background:var(--tint)}
.erro{color:#C0392B;font-size:13.5px;margin:8px 0 0;display:none}
.aviso{color:var(--soft);font-size:13.5px;margin:10px 0 0}

/* Dúvidas frequentes */
.faq h2{margin-bottom:28px}
details{background:var(--card);border:1px solid var(--borda);border-radius:6px;padding:16px 18px;margin-bottom:10px}
summary{font-weight:600;cursor:pointer}
details p{color:var(--soft);margin:10px 0 0}

/* Rodapé */
footer{background:#0A3F42;color:#fff;padding:40px 0;font-size:14.5px}
footer .wrap{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
footer p{margin:4px 0;opacity:.85}
footer a{text-decoration:none;font-weight:600}
footer a:hover{text-decoration:underline}

/* Páginas simples (Área do Cliente e página não encontrada) */
.pagina-simples{min-height:100vh;display:flex;flex-direction:column}
.pagina-simples main{flex:1;display:grid;place-items:center;padding:48px 20px}
.caixa{background:var(--card);border:1px solid var(--borda);border-top:3px solid var(--pet2);border-radius:6px;padding:36px;max-width:560px;width:100%}
.caixa h1{font-size:clamp(24px,4vw,30px);color:var(--pet);margin-bottom:12px}
.caixa p{color:var(--soft);margin:0 0 16px}
.caixa .cta{margin-top:24px}
.caixa .btn--out{color:var(--pet)}
@media(max-width:480px){.caixa{padding:24px}}

/* Cabeçalho das seções */
.cabeca .lead{margin-bottom:36px}

/* Abertura centralizada */
.hero--centro{padding:120px 0 110px;text-align:center}
.hero--centro .wrap{display:block}
.hero--centro .hero__texto{max-width:820px;margin:0 auto}
.hero--centro h1{max-width:none;display:flex;flex-direction:column;align-items:center;gap:6px;margin-top:6px}
.hero__marca{font-size:clamp(56px,11vw,112px);font-weight:800;letter-spacing:.06em;line-height:1}
.hero__sub{font-size:clamp(20px,3.2vw,30px);font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--claro)}
.hero__sub::before,.hero__sub::after{content:"";display:inline-block;width:42px;height:1px;background:currentColor;vertical-align:middle;margin:0 16px;opacity:.6}
.hero--centro .hero__slogan{font:600 clamp(19px,2.4vw,24px)/1.4 Montserrat,sans-serif;opacity:1;margin:30px auto 10px;max-width:none}
.hero--centro p{margin-left:auto;margin-right:auto}
.hero--centro .cta{justify-content:center}
@media(max-width:860px){.hero--centro{padding:84px 0 76px}.hero--centro p{font-size:17px}}
@media(max-width:480px){.hero__sub::before,.hero__sub::after{width:18px;margin:0 8px}.hero__sub{letter-spacing:.12em}}

/* Missão, visão e valores */
.mvv{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.mvv__item{background:var(--bg);border:1px solid var(--borda);border-top:3px solid var(--pet2);border-radius:6px;padding:28px}
.mvv__item>span{display:block;font:700 13px Montserrat,sans-serif;letter-spacing:.14em;text-transform:uppercase;color:var(--pet2);margin-bottom:12px}
.mvv__item p{margin:0;color:var(--soft)}
.mvv__item ul{margin:0;padding:0;list-style:none;display:grid;gap:8px;color:var(--soft)}
.mvv__item li{padding-left:18px;position:relative}
.mvv__item li::before{content:"";position:absolute;left:0;top:.65em;width:6px;height:6px;background:var(--sal);border-radius:1px}
@media(max-width:860px){.mvv{grid-template-columns:1fr}}

/* De onde somos */
.onde{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;align-items:center}
.onde p{color:var(--soft)}
.onde .btn{margin-top:8px}
.onde__marca{background:var(--pet);color:#fff;border-radius:6px;padding:48px 32px;text-align:center;display:grid;justify-items:center;gap:4px;position:relative;overflow:hidden}
.onde__marca::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px) 0 0/48px 48px,linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px) 0 0/48px 48px;pointer-events:none}
.onde__marca svg{width:44px;height:44px;stroke:var(--claro);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;margin-bottom:10px}
.onde__marca b{font:700 26px Montserrat,sans-serif}
.onde__marca span{color:var(--claro);letter-spacing:.14em;text-transform:uppercase;font-size:13px;font-weight:600}
@media(max-width:860px){.onde{grid-template-columns:1fr;gap:28px}}

/* Pilares (Sobre) */
.pilares{display:grid;gap:14px}
.pilar{display:flex;gap:18px;align-items:flex-start;background:var(--card);border:1px solid var(--borda);border-radius:6px;padding:22px}
.pilar>span{font:700 15px Montserrat,sans-serif;color:var(--sal);letter-spacing:.08em;padding-top:2px}
.pilar b{display:block;font-family:Montserrat,sans-serif;color:var(--pet2);margin-bottom:4px}
.pilar p{margin:0;font-size:15px}

/* Serviços: um embaixo do outro */
.servicos{border-top:1px solid var(--borda)}
.servico{display:grid;grid-template-columns:120px minmax(0,1fr) minmax(0,1.15fr);gap:32px;padding:40px 0;border-bottom:1px solid var(--borda);align-items:start}
.servico__num{display:flex;flex-direction:column;gap:14px;color:var(--sal)}
.servico__num span{font:700 40px/1 Montserrat,sans-serif;color:#C3D6D0;transition:color .3s}
.servico:hover .servico__num span{color:var(--pet2)}
.servico__num svg{width:34px;height:34px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.servico h3{font-size:clamp(20px,2.4vw,24px);color:var(--pet2);margin-bottom:10px}
.servico__resumo p{color:var(--soft);margin:0 0 20px}
.servico ul{margin:0;padding:0;list-style:none;columns:2;column-gap:28px}
.servico li{padding-left:18px;position:relative;font-size:15px;line-height:1.45;margin-bottom:10px;break-inside:avoid}
.servico li::before{content:"";position:absolute;left:0;top:.55em;width:6px;height:6px;background:var(--sal);border-radius:1px}
@media(max-width:860px){
  .servico{grid-template-columns:1fr;gap:16px;padding:32px 0}
  .servico__num{flex-direction:row;align-items:center;justify-content:space-between}
  .servico__num span{font-size:30px}
  .servico__resumo p{margin-bottom:16px}
}
@media(max-width:520px){.servico ul{columns:1}}

/* Checklist ilustrativo (Diagnóstico) */
.checklist{margin:0;background:var(--card);border:1px solid var(--borda);border-top:3px solid var(--pet2);border-radius:6px;padding:26px;box-shadow:0 16px 40px rgba(13,78,81,.10);max-width:460px;width:100%}
.checklist__topo{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.checklist__topo b{font-family:Montserrat,sans-serif;color:var(--pet)}
.checklist__topo span{font-size:12px;color:var(--soft);border:1px solid var(--borda);border-radius:999px;padding:3px 10px}
.checklist ul{list-style:none;margin:0 0 18px;padding:0;display:grid;gap:10px}
.checklist li{display:flex;align-items:center;gap:12px;font-size:15px;padding:10px 12px;border-radius:6px;background:var(--bg)}
.checklist i{flex:none;width:20px;height:20px;border-radius:50%;display:grid;place-items:center}
.checklist .ok i{background:#2E8B6E}
.checklist .ok i::after{content:"";width:8px;height:4px;border:2px solid #fff;border-top:0;border-right:0;transform:translateY(-1px) rotate(-45deg)}
.checklist .alerta i{background:#D99A1E}
.checklist .alerta i::after{content:"";width:2px;height:9px;background:#fff;border-radius:1px}
.checklist__barra{height:8px;border-radius:999px;background:var(--tint);overflow:hidden}
.checklist__barra span{display:block;height:100%;width:60%;background:var(--pet2);border-radius:999px}
.checklist small{display:block;margin-top:8px;color:var(--soft)}

/* Rodapé */
footer b{display:block;margin-bottom:6px;font-family:Montserrat,sans-serif}
.rodape__logo{display:block;height:40px;width:auto;margin-bottom:8px}

/* Animação ao rolar a página */
.js .revelar{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease;transition-delay:var(--atraso,0s)}
.js .revelar.visivel{opacity:1;transform:none}
.js .hero__texto>*{opacity:0;transform:translateY(20px);animation:entrar .8s ease forwards}
.js .hero__texto>*:nth-child(2){animation-delay:.1s}.js .hero__texto>*:nth-child(3){animation-delay:.2s}.js .hero__texto>*:nth-child(4){animation-delay:.3s}.js .hero__texto>*:nth-child(5){animation-delay:.4s}
@keyframes entrar{to{opacity:1;transform:none}}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .revelar,.js .hero__texto>*{opacity:1;transform:none;transition:none;animation:none}
}