/* Enerel — site institucional.
   Layout: faixas de largura total alternando branco, verde-névoa e verde-escuro; conteúdo numa coluna de 1180px.
   Fotos de campo reais carregam o peso visual; tipografia Barlow (manual da marca). */
:root{
  --verde:#005522; --verde-2:#217844; --verde-3:#2CA05A; --verde-4:#87DEAA; --nevoa:#AFE9C6;
  --bg:#FFFFFF; --bg-alt:#F2F7F3; --tinta:#1F2A24; --sec:#5C6B62; --linha:#D5E2D9;
  --card:#FFFFFF; --titulo:#005522; --eyebrow:#217844; --chip:#E3F3E9; --campo:#FFFFFF;
  --dark:#0F2418; --on-dark:#FFFFFF; --on-dark-2:#C9E8D5; --on-dark-line:rgba(255,255,255,.16);
  --f-display:"Barlow Semi Condensed","Barlow","Segoe UI",Arial,sans-serif;
  --f-body:"Barlow","Segoe UI",Arial,sans-serif;
  --w:1180px; --r:6px;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0E1A13; --bg-alt:#13241A; --tinta:#E3EEE7; --sec:#A3B8AB; --linha:#26402F;
  --card:#162A1E; --titulo:#87DEAA; --eyebrow:#5FD38D; --chip:#1D3727; --campo:#10201A; --dark:#08130C; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0E1A13; --bg-alt:#13241A; --tinta:#E3EEE7; --sec:#A3B8AB; --linha:#26402F;
  --card:#162A1E; --titulo:#87DEAA; --eyebrow:#5FD38D; --chip:#1D3727; --campo:#10201A; --dark:#08130C; color-scheme:dark}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--tinta);font-family:var(--f-body);font-size:17px;line-height:1.55}
img{max-width:100%;display:block}
a{color:inherit}
:focus-visible{outline:3px solid var(--verde-3);outline-offset:2px}
.skip{position:absolute;left:-999px;top:8px;background:var(--verde);color:#fff;padding:8px 14px;z-index:20;border-radius:var(--r)}
.skip:focus{left:16px}
.wrap{max-width:var(--w);margin-inline:auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
.band{padding-block:88px}
.band.tight{padding-block:64px}
.band.alt{background:var(--bg-alt)}
.band.dark{background:var(--dark);color:var(--on-dark)}
@media (max-width:700px){.band{padding-block:64px}}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--eyebrow);margin:0 0 10px}
.dark .eyebrow,.hero .eyebrow,.phead .eyebrow{color:var(--verde-4)}
h1,h2,h3{font-family:var(--f-display);text-wrap:balance;margin:0}
h2{font-size:clamp(30px,4vw,44px);line-height:1.08;color:var(--titulo);font-weight:700;max-width:24ch}
.dark h2{color:var(--on-dark)}
h3{font-size:22px;line-height:1.2;color:var(--titulo);font-weight:700}
.dark h3{color:var(--on-dark)}
p{margin:0}
.lead{font-size:19px;color:var(--sec);max-width:62ch;margin-top:14px}
.dark .lead{color:var(--on-dark-2)}
.head{display:flex;flex-direction:column;margin-bottom:40px}
.head.row{flex-direction:row;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap}
.muted{color:var(--sec)}
.small{font-size:14px;color:var(--sec)}
.more{font-weight:700;color:var(--verde-2);text-decoration:none;white-space:nowrap}
.more::after{content:" →"}
.more:hover{text-decoration:underline}
.dark .more{color:var(--verde-4)}

/* header */
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:10;background:var(--bg)}
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:9;background:var(--bg);border-bottom:1px solid var(--linha)}
.top .wrap{display:flex;align-items:center;gap:24px;height:70px;position:relative}
.logo img{height:30px;width:auto}
.logo .l-dark{display:none}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .logo .l-light{display:none}:root:not([data-theme="light"]) .logo .l-dark{display:block}}
:root[data-theme="dark"] .logo .l-light{display:none}:root[data-theme="dark"] .logo .l-dark{display:block}
.nav{display:flex;gap:4px;margin-left:auto;font-size:15px;font-weight:600}
.nav a{text-decoration:none;color:var(--tinta);padding:8px 10px;border-radius:var(--r)}
.nav a:hover{color:var(--verde-2);background:var(--bg-alt)}
.nav a[aria-current="page"]{color:var(--titulo);box-shadow:inset 0 -2px 0 var(--verde-3);border-radius:0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border-radius:var(--r);font:700 15px var(--f-body);text-decoration:none;border:2px solid transparent;white-space:nowrap;cursor:pointer}
.btn-p{background:var(--verde);color:#fff}
.btn-p:hover{background:var(--verde-2)}
.btn-o{border-color:rgba(255,255,255,.55);color:#fff;background:transparent}
.btn-o:hover{background:rgba(255,255,255,.1)}
.btn-g{border-color:var(--linha);color:var(--tinta);background:var(--card)}
.btn-g:hover{border-color:var(--verde-3)}
.menu-btn{display:none;margin-left:auto;background:none;border:1px solid var(--linha);border-radius:var(--r);padding:8px 14px;font:600 15px var(--f-body);color:var(--tinta);cursor:pointer}
@media (max-width:1020px){
  .nav{display:none;position:absolute;top:70px;left:0;right:0;flex-direction:column;gap:0;background:var(--bg);border-bottom:1px solid var(--linha);padding:8px max(20px,env(safe-area-inset-right,0px)) 16px max(20px,env(safe-area-inset-left,0px));box-shadow:0 12px 24px rgba(0,0,0,.08)}
  .nav.open{display:flex}
  .nav a{padding:13px 0;border-bottom:1px solid var(--linha);border-radius:0}
  .nav a[aria-current="page"]{box-shadow:none;color:var(--verde-3)}
  .menu-btn{display:block}
  .top .cta-top{display:none}
}

/* hero (início) */
.hero{position:relative;color:#fff;background:#00331A;overflow:hidden}
.hero>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,38,16,.94) 0%,rgba(0,52,22,.8) 50%,rgba(0,52,22,.2) 100%)}
.hero .wrap{position:relative;z-index:1;padding-block:104px 52px}
.hero h1{font-size:clamp(40px,6.4vw,76px);line-height:1;font-weight:700;max-width:13ch}
.hero p.sub{font-size:20px;max-width:46ch;color:#DDF1E5;margin:22px 0 32px}
.ctas{display:flex;gap:12px;flex-wrap:wrap}
.credit{font-size:13px;color:#BFE3CD;margin-top:40px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid rgba(255,255,255,.22);margin-top:48px}
.stat{padding:22px 20px 0 0}
.stat b{display:block;font-family:var(--f-display);font-size:clamp(28px,3.4vw,40px);line-height:1;font-variant-numeric:tabular-nums}
.stat span{font-size:14px;color:#C9E8D5}
@media (max-width:720px){.stats{grid-template-columns:repeat(2,1fr);row-gap:8px}}

/* cabeçalho de página interna */
.phead{position:relative;background:var(--verde);color:#fff;overflow:hidden}
.phead>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.28;mix-blend-mode:luminosity}
.phead::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,45,18,.92),rgba(0,60,25,.55))}
.phead .wrap{position:relative;z-index:1;padding-block:72px 64px}
.phead h1{font-size:clamp(36px,5vw,58px);line-height:1.02;font-weight:700;max-width:18ch}
.phead p.sub{font-size:19px;color:#DDF1E5;max-width:56ch;margin-top:16px}
.crumbs{font-size:14px;color:#BFE3CD;margin-bottom:18px}
.crumbs a{color:#fff}

/* grades e cartões */
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
@media (max-width:960px){.grid3,.grid4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.grid2,.grid3,.grid4{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--linha);border-radius:var(--r);padding:26px;display:flex;flex-direction:column;gap:10px;min-width:0}
.card p{color:var(--sec);font-size:16px}
a.card{text-decoration:none;transition:border-color .15s}
a.card:hover{border-color:var(--verde-3)}
a.card .more{margin-top:auto;padding-top:6px}
.ic{width:42px;height:42px;border-radius:50%;background:var(--chip);display:grid;place-items:center;color:var(--verde-2);flex:none}
.dark .ic{background:rgba(135,222,170,.12);color:var(--verde-4)}

/* dois caminhos */
.paths{display:grid;grid-template-columns:1.25fr 1fr;gap:20px}
@media (max-width:820px){.paths{grid-template-columns:1fr}}
.path{position:relative;border-radius:var(--r);overflow:hidden;min-height:300px;display:flex;color:#fff;text-decoration:none;background:#003A18}
.path img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .4s}
.path::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(0,30,12,.92) 10%,rgba(0,30,12,.25) 75%)}
.path div{position:relative;z-index:1;margin-top:auto;padding:28px;display:flex;flex-direction:column;gap:8px}
.path h3{color:#fff;font-size:28px}
.path p{color:#DDF1E5;max-width:44ch}
.path .more{color:var(--verde-4)}
.path:hover img{transform:scale(1.03)}
@media (prefers-reduced-motion:reduce){.path img{transition:none}.path:hover img{transform:none}}

/* obras */
.case{display:grid;grid-template-columns:1.1fr 1fr;gap:44px;align-items:center;padding-block:40px;border-top:1px solid var(--linha)}
.case:first-of-type{border-top:none;padding-top:0}
.case.flip .ph{order:2}
.case .ph img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r)}
.meta{font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--eyebrow)}
.case h3{font-size:32px;margin:6px 0 14px}
.big{display:flex;align-items:baseline;gap:10px;margin-bottom:14px}
.big b{font-family:var(--f-display);font-size:46px;line-height:1;color:var(--titulo);font-variant-numeric:tabular-nums}
.big span{color:var(--sec)}
.case ul{margin:0;padding-left:20px;columns:2;column-gap:28px}
.case li{break-inside:avoid;margin-bottom:5px;font-size:16px}
.note{margin-top:18px;display:inline-block;background:var(--chip);color:var(--titulo);font-weight:600;font-size:15px;padding:8px 14px;border-radius:var(--r)}
.strip{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:18px}
.strip img{aspect-ratio:4/3;object-fit:cover;border-radius:var(--r);width:100%}
@media (max-width:860px){.case{grid-template-columns:1fr;gap:20px}.case.flip .ph{order:0}.case ul{columns:1}}
.ocard{background:var(--card);border:1px solid var(--linha);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;text-decoration:none}
.ocard img{aspect-ratio:16/10;object-fit:cover;width:100%}
.ocard div{padding:20px 22px 24px;display:flex;flex-direction:column;gap:6px;flex:1}
.ocard p{color:var(--sec);font-size:16px}
a.ocard:hover{border-color:var(--verde-3)}
.tbl{overflow-x:auto;border:1px solid var(--linha);border-radius:var(--r)}
table{border-collapse:collapse;width:100%;min-width:660px;font-size:15px}
th{background:var(--verde);color:#fff;text-align:left;padding:12px 14px;font-weight:700}
td{padding:12px 14px;border-top:1px solid var(--linha);vertical-align:top}
tbody tr:nth-child(even) td{background:var(--bg-alt)}
td.n{white-space:nowrap;font-variant-numeric:tabular-nums}

/* O&M */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
@media (max-width:860px){.split{grid-template-columns:1fr;gap:32px}}
.plants{display:flex;flex-direction:column;border:1px solid var(--linha);border-radius:var(--r);background:var(--card)}
.dark .plants{border-color:var(--on-dark-line);background:transparent}
.plant{display:flex;justify-content:space-between;gap:16px;padding:16px 20px;border-top:1px solid var(--linha)}
.dark .plant{border-color:var(--on-dark-line)}
.plant:first-child{border-top:none}
.plant b{font-variant-numeric:tabular-nums;white-space:nowrap}
.plant.total{background:var(--chip);font-weight:700;color:var(--titulo)}
.dark .plant.total{background:rgba(135,222,170,.12);color:#fff}
.checks{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.checks li{display:flex;gap:12px;align-items:flex-start}
.checks li::before{content:"";flex:none;width:10px;height:10px;margin-top:8px;border-radius:50%;background:var(--verde-3)}
.dark .checks li{color:var(--on-dark-2)}
.dark .checks li::before{background:var(--verde-4)}
.photo{width:100%;border-radius:var(--r);object-fit:cover}

/* ensaios */
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px}
.tab{font:700 15px var(--f-body);padding:10px 16px;border-radius:999px;border:1px solid var(--linha);background:var(--card);color:var(--tinta);cursor:pointer}
.tab[aria-selected="true"]{background:var(--verde);border-color:var(--verde);color:#fff}
.gal{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
@media (max-width:900px){.gal{grid-template-columns:repeat(2,1fr)}}
.gal figure{margin:0;display:flex;flex-direction:column;gap:8px;min-width:0}
.gal img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:var(--r);background:var(--bg-alt)}
.gal figcaption{font-size:14px;color:var(--sec);line-height:1.4}
.panel-intro{margin:0 0 18px;max-width:70ch}

/* serviços */
.sgroup{display:grid;grid-template-columns:300px 1fr;gap:48px;padding-block:48px;border-top:1px solid var(--linha)}
.sgroup:first-of-type{border-top:none;padding-top:0}
.sgroup aside h2{font-size:clamp(26px,3vw,34px)}
.sgroup aside p{color:var(--sec);margin-top:10px}
@media (max-width:900px){.sgroup{grid-template-columns:1fr;gap:24px}}
.svc{display:grid;grid-template-columns:auto 1fr;gap:16px;padding:22px 0;border-top:1px solid var(--linha);scroll-margin-top:96px}
.svc:first-child{border-top:none;padding-top:0}
.svc h3{font-size:21px;margin-bottom:6px}
.svc p{color:var(--sec)}
.svc ul{margin:10px 0 0;padding-left:20px;color:var(--sec);font-size:16px}
.svc .ref{margin-top:10px;font-size:15px}
.jump{display:flex;gap:8px;flex-wrap:wrap;margin-top:28px}
.jump a{font-size:14px;font-weight:600;text-decoration:none;padding:7px 12px;border-radius:999px;border:1px solid rgba(255,255,255,.4);color:#fff}
.jump a:hover{background:rgba(255,255,255,.12)}

/* supervisório */
.sup{display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media (max-width:800px){.sup{grid-template-columns:1fr}}
.sup figure{margin:0}
.sup img{width:100%;border-radius:var(--r);border:1px solid var(--linha);background:#fff}
.sup figcaption{font-size:15px;color:var(--sec);margin-top:10px}

/* oferta residencial */
.offer{border:1px solid var(--linha);border-radius:var(--r);padding:30px;background:var(--card);display:flex;flex-direction:column;gap:12px}
.offer .pct{font-family:var(--f-display);font-size:44px;font-weight:700;color:var(--titulo);line-height:1}
.offer .pct small{font-size:18px;color:var(--sec);font-family:var(--f-body);font-weight:500}
.offer ul{margin:0;padding-left:20px;color:var(--sec)}
.offer .btn{align-self:flex-start;margin-top:auto}
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:s}
@media (max-width:900px){.steps{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.steps{grid-template-columns:1fr}}
.steps li{counter-increment:s;background:var(--card);border:1px solid var(--linha);border-radius:var(--r);padding:22px;color:var(--sec)}
.steps li::before{content:counter(s);display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--verde);color:#fff;font-weight:700;margin-bottom:12px}
.compare{min-width:560px}
.compare td:first-child{font-weight:600;color:var(--tinta)}

/* sobre */
.values .card h3{font-size:24px}
.facts{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
@media (max-width:860px){.facts{grid-template-columns:repeat(2,1fr)}}
.fact{border-top:3px solid var(--verde-3);padding-top:16px}
.fact b{display:block;font-family:var(--f-display);font-size:38px;line-height:1;color:var(--titulo);font-variant-numeric:tabular-nums}
.fact span{color:var(--sec);font-size:15px}
.timeline{list-style:none;margin:0;padding:0;border-left:2px solid var(--linha)}
.timeline li{position:relative;padding:0 0 26px 28px}
.timeline li::before{content:"";position:absolute;left:-7px;top:6px;width:12px;height:12px;border-radius:50%;background:var(--verde-3);border:2px solid var(--bg)}
.timeline b{font-family:var(--f-display);font-size:22px;color:var(--titulo);display:block}
.timeline span{color:var(--sec)}

/* contato e formulário */
.cgrid{display:grid;grid-template-columns:1.4fr 1fr;gap:48px;align-items:start}
@media (max-width:900px){.cgrid{grid-template-columns:1fr}}
form{display:grid;gap:18px}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media (max-width:600px){.frow{grid-template-columns:1fr}}
label{display:flex;flex-direction:column;gap:6px;font-weight:600;font-size:15px}
label .opt{font-weight:400;color:var(--sec)}
input,select,textarea{font:400 16px var(--f-body);color:var(--tinta);background:var(--campo);border:1px solid var(--linha);border-radius:var(--r);padding:12px 14px;width:100%}
input:focus,select:focus,textarea:focus{outline:2px solid var(--verde-3);outline-offset:0;border-color:var(--verde-3)}
textarea{min-height:120px;resize:vertical}
fieldset{border:none;padding:0;margin:0}
legend{font-weight:600;font-size:15px;margin-bottom:8px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips label{flex-direction:row;align-items:center;gap:8px;font-weight:500;border:1px solid var(--linha);border-radius:999px;padding:8px 14px;cursor:pointer;background:var(--campo)}
.chips input{width:auto;margin:0;accent-color:var(--verde)}
.chips label:has(input:checked){border-color:var(--verde-3);background:var(--chip)}
.err{color:#B3261E;font-size:14px;font-weight:600}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .err{color:#FFB4AB}}
:root[data-theme="dark"] .err{color:#FFB4AB}
.result{border:1px solid var(--verde-3);background:var(--chip);border-radius:var(--r);padding:20px;display:grid;gap:12px}
.result pre{white-space:pre-wrap;font:14px/1.5 var(--f-body);margin:0;color:var(--tinta)}
.cinfo{display:grid;gap:18px}
.cinfo div{display:flex;flex-direction:column;gap:2px}
.cinfo small{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--eyebrow);font-weight:700}
.cinfo span,.cinfo a{font-size:18px;font-weight:600;color:var(--tinta)}
.cinfo .sel{user-select:all}

/* faixa de chamada */
.cta-band{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.cta-band h2{max-width:26ch}

/* rodapé */
footer{background:var(--dark);color:var(--on-dark-2);font-size:15px}
footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1.2fr 1fr;gap:32px;padding-block:56px 40px}
@media (max-width:860px){footer .cols{grid-template-columns:1fr 1fr}}
@media (max-width:520px){footer .cols{grid-template-columns:1fr}}
footer h4{font:700 12px var(--f-body);letter-spacing:.14em;text-transform:uppercase;color:var(--verde-4);margin:0 0 12px}
footer ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
footer a{color:#fff;text-decoration:none}
footer a:hover{text-decoration:underline}
footer .flogo{height:28px;width:auto;margin-bottom:14px}
footer .legal{border-top:1px solid var(--on-dark-line)}
footer .legal .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-block:20px;font-size:14px}
@media (max-width:720px){.stat b{font-size:25px}}