:root{
  /* IDENTIDADE ENERGIA MELHOR — conforme manual da marca */
  --roxo:#832472;          /* primária: marca, títulos, header/footer */
  --roxo-esc:#55174A;      /* fundos profundos (hero/footer) */
  --roxo-cl:#9C3A8A;       /* hover */
  --teal:#16968D;          /* suporte: fundos, ícones, destaques */
  --teal-txt:#0F6962;      /* teal acessível p/ texto e links (4.9:1) */
  --limao:#A9D600;         /* EXCLUSIVO CTA/conversão */
  --limao-esc:#93BC00;     /* hover do CTA */
  --tinta:#1D1D1B;         /* texto corrido */
  --cinza:#5F5F5D;         /* texto secundário */
  --cinza-cl:#F2F2F2;      /* fundos alternados */
  --branco:#FFFFFF; --borda:#E3E3E1;
  /* aliases de compatibilidade */
  --verde:#832472; --verde-esc:#55174A; --azul:#832472; --azul-cl:#127E76;
  --amarelo:#A9D600;
  --radius:14px; --sombra:0 4px 24px rgba(131,36,114,.10);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;color:var(--tinta);background:var(--branco);line-height:1.75;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3,.display{font-family:'Poppins',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;font-weight:600;line-height:1.2;letter-spacing:-.01em;color:var(--roxo)}
a{color:var(--teal-txt);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;display:block}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:'Poppins',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;font-weight:600;font-size:16px;padding:15px 28px;border-radius:var(--radius);border:0;cursor:pointer;transition:transform .15s,box-shadow .15s;text-align:center;color:#fff}
.btn-p{background:var(--limao);color:var(--tinta);box-shadow:0 6px 18px rgba(169,214,0,.35)}
.btn-p:hover{transform:translateY(-2px);text-decoration:none}
.btn-w{background:var(--limao);color:var(--tinta)}
.eyebrow{font-family:'Poppins',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;font-weight:600;font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--teal-txt)}

header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--borda)}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px}
.logo{display:flex;align-items:center;gap:10px;font-family:'Poppins',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;font-weight:700;font-size:20px}
.logo .l1{color:var(--teal-txt)} .logo .l2{color:var(--roxo)}
.nav-links{display:flex;gap:28px;align-items:center}
.nav-links a{font-size:15px;font-weight:500;color:var(--tinta)}
.nav-links a:hover{color:var(--roxo);text-decoration:none}
.nav-links a.nav-cta{padding:10px 20px;font-size:14px;color:var(--tinta)}
.nav-links a.nav-cta:hover{color:var(--tinta)}
.burger{display:none;background:none;border:0;cursor:pointer;flex-direction:column;gap:5px}
.burger span{width:24px;height:2px;background:var(--roxo);border-radius:2px}

.art-hero{background:linear-gradient(160deg,#832472,#55174A);color:#fff;padding:52px 0 56px}
.art-hero .eyebrow{color:var(--amarelo)}
.breadcrumb{font-size:13px;color:#DCC5D6;margin-bottom:18px}
.breadcrumb a{color:#DCC5D6}
.art-hero h1{font-size:40px;color:#fff;margin:10px 0 16px;max-width:840px}
.art-meta{font-size:14px;color:#EBD7E6}
.art-body{padding:52px 0 30px}
.art-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;align-items:start}
.prose{max-width:760px;min-width:0;overflow-wrap:break-word}
.prose p{font-size:17px;color:#28323a;margin-bottom:20px}
.prose h2{font-size:27px;margin:38px 0 16px;color:var(--roxo)}
.prose h3{font-size:21px;margin:28px 0 12px;color:var(--teal-txt)}
.prose ul,.prose ol{margin:0 0 22px 22px}
.prose li{font-size:17px;color:#28323a;margin-bottom:10px}
.prose strong{color:var(--roxo)}
.prose .lead{font-size:19px;color:var(--roxo);font-weight:500;border-left:4px solid var(--limao);padding-left:18px;margin-bottom:28px}
.callout{background:var(--cinza-cl);border-radius:var(--radius);padding:22px 24px;margin:28px 0}
.callout h3{margin:0 0 8px}
.callout p{margin:0;font-size:16px}
.tbl{width:100%;border-collapse:collapse;margin:24px 0;font-size:15.5px;border-radius:12px;overflow:hidden;box-shadow:var(--sombra)}
.tbl th{background:var(--roxo);color:#fff;padding:14px 16px;text-align:left;font-family:'Poppins',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;font-weight:600}
.tbl td{padding:13px 16px;border-bottom:1px solid var(--borda)}
.tbl tr:last-child td{border-bottom:0}
.tbl .pct{font-family:'Poppins',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;font-weight:700;color:var(--teal-txt)}

.sidebar{position:sticky;top:90px}
.side-card{background:linear-gradient(160deg,#832472,#55174A);color:#fff;border-radius:18px;padding:26px;margin-bottom:20px;box-shadow:0 12px 30px rgba(131,36,114,.28)}
.side-card h3{color:#fff;font-size:20px;margin-bottom:8px}
.side-card p{font-size:14.5px;color:#EFD9EA;margin-bottom:18px}
.side-card .btn{width:100%;background:var(--limao);color:var(--tinta)}
.side-links{background:#fff;border:1px solid var(--borda);border-radius:18px;padding:22px 24px}
.side-links h4{font-family:'Poppins',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;font-size:15px;color:var(--roxo);margin-bottom:14px}
.side-links a{display:block;font-size:14.5px;color:var(--tinta);padding:8px 0;border-bottom:1px solid var(--borda)}
.side-links a:last-child{border-bottom:0}
.side-links a:hover{color:var(--roxo)}

.art-faq{background:var(--cinza-cl);padding:60px 0}
.art-faq h2{text-align:center;font-size:30px;margin-bottom:34px}
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{border:1px solid var(--borda);border-radius:var(--radius);margin-bottom:12px;overflow:hidden;background:#fff}
.faq-q{width:100%;text-align:left;background:none;border:0;padding:20px 24px;font-family:'Poppins',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;font-weight:600;font-size:16.5px;color:var(--roxo);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq-q .arw{color:var(--limao-esc);font-size:22px;transition:transform .25s;flex-shrink:0}
.faq-item.open .arw{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 24px}
.faq-item.open .faq-a{max-height:400px;padding-bottom:22px}
.faq-a p{font-size:15.5px;color:var(--cinza);margin:0}

.cta-final{background:var(--teal);color:#fff;text-align:center;padding:64px 0}
.cta-final h2{color:#fff;font-size:32px;margin-bottom:14px}
.cta-final p{font-size:18px;color:#EAF7C9;max-width:560px;margin:0 auto 26px}

footer{background:var(--roxo-esc);color:#D9C2D3;padding:56px 0 28px;font-size:14px}
.foot-social{margin-top:14px}
.foot-social a{display:inline-flex;align-items:center;gap:7px;color:#D9C2D3;font-size:13.5px}
.foot-social a:hover{color:#fff}
.foot-social svg{flex-shrink:0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr 1fr;gap:30px;margin-bottom:40px}
.foot-col h4{font-family:'Poppins',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;font-size:15px;color:#fff;margin-bottom:16px;font-weight:600}
.foot-col a{display:block;color:#D9C2D3;margin-bottom:9px}
.foot-col a:hover{color:var(--limao);text-decoration:none}
.foot-logo{font-family:'Poppins',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;font-weight:700;font-size:22px;margin-bottom:12px}
.foot-logo .l1{color:#fff}.foot-logo .l2{color:var(--limao)}
.foot-col p{margin-bottom:9px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.15);padding-top:22px;text-align:center;font-size:13px;color:#B695AD}

.wa-float{position:fixed;bottom:24px;right:24px;z-index:60;width:60px;height:60px;border-radius:50%;background:#25D366;box-shadow:0 6px 22px rgba(37,211,102,.45);display:flex;align-items:center;justify-content:center;transition:transform .18s;animation:pulse 2.4s infinite}
.wa-float:hover{transform:scale(1.08)}
.wa-float svg{width:32px;height:32px;fill:#fff}
@keyframes pulse{0%{box-shadow:0 6px 22px rgba(37,211,102,.45),0 0 0 0 rgba(37,211,102,.4)}70%{box-shadow:0 6px 22px rgba(37,211,102,.45),0 0 0 16px rgba(37,211,102,0)}100%{box-shadow:0 6px 22px rgba(37,211,102,.45),0 0 0 0 rgba(37,211,102,0)}}

@media(max-width:980px){
  .art-grid{grid-template-columns:1fr;gap:30px}
  .sidebar{position:static}
  .art-hero h1{font-size:32px}
  .nav-links{display:none}
  .nav-links.mob{display:flex;position:absolute;top:70px;left:0;right:0;flex-direction:column;background:#fff;padding:18px 20px;gap:14px;border-bottom:1px solid var(--borda);box-shadow:var(--sombra);z-index:50}
  .burger{display:flex}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
  .wrap{padding:0 16px}
  .art-hero{padding:40px 0 42px}
  .art-hero h1{font-size:26px}
  .prose p,.prose li{font-size:16px}
  .prose h2{font-size:23px}
  .prose .lead{font-size:17px}
  .btn{width:100%}
  .foot-grid{grid-template-columns:1fr}
  .cta-final h2{font-size:25px}
  .tbl{font-size:14px}
  .tbl th,.tbl td{padding:10px 12px}
}

/* LOGO da marca */
.logo{display:flex;align-items:center;gap:10px}
.logo-img{height:44px;width:auto;display:block}
.foot-logo-img{filter:brightness(0) invert(1);height:52px;width:auto;display:block;margin-bottom:14px}
@media(max-width:560px){.logo-img{height:36px}}

/* table-wrap-fix: tabelas roláveis em telas estreitas */
.prose{overflow-x:hidden}
.tbl{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch;white-space:nowrap;max-width:100%}
@media(min-width:620px){.tbl{display:table;white-space:normal}}

/* figuras e diagramas */
figure{margin:30px 0}
figure img{width:100%;height:auto;border-radius:var(--radius);background:#fff}
figcaption{font-size:13.5px;color:var(--cinza);text-align:center;margin-top:10px;font-style:italic}

/* bloco de autoria / E-E-A-T */
.author-box{display:flex;gap:16px;align-items:flex-start;background:var(--cinza-cl);border-radius:var(--radius);padding:20px 22px;margin:34px 0 8px}
.author-box .av{width:52px;height:52px;border-radius:50%;background:var(--roxo);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.author-box .av svg{width:30px;height:30px}
.author-box h4{font-family:'Poppins',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;font-size:15.5px;color:var(--roxo);margin-bottom:5px}
.author-box p{font-size:14px;color:var(--cinza);margin:0;line-height:1.6}
.author-box .rev{display:block;margin-top:7px;font-size:13px;color:var(--teal-txt);font-weight:500}
@media(max-width:560px){.author-box{flex-direction:column;gap:12px}}

/* figuras de conteúdo */
.figw{margin:30px 0;background:#fff;border:1px solid var(--borda);border-radius:var(--radius);padding:20px 20px 14px;overflow:hidden}
.figw img{width:100%;height:auto;display:block}
.figw figcaption{margin-top:12px;font-size:13.5px;color:var(--cinza);line-height:1.5;text-align:center}
@media(max-width:560px){.figw{padding:14px 12px 10px;margin:22px 0}.figw figcaption{font-size:12.5px}}