/* IWR – Gestão de Energia | Folha de estilo institucional
   Paleta e tipografia conforme docs/04-identidade-marca.md */

:root{
  --azul:#1B3A8C; --azul-escuro:#0E2154;
  --verde:#1F9D55; --verde-escuro:#15723D;
  --laranja:#F2820D; --vermelho:#D7322B;
  --texto:#2B2F36; --cinza:#5b626d; --fundo:#F4F6F9; --branco:#fff; --borda:#e4e8ef;
  --sombra:0 6px 24px rgba(14,33,84,.08);
  --raio:14px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter','Open Sans',system-ui,Arial,sans-serif;
  color:var(--texto); line-height:1.6; background:var(--branco);
}
h1,h2,h3,h4{font-family:'Poppins','Montserrat',Arial,sans-serif;color:var(--azul-escuro);line-height:1.2;font-weight:700}
a{color:var(--azul);text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1140px,92%);margin:0 auto}
.section{padding:72px 0}
.section--alt{background:var(--fundo)}
.center{text-align:center}
.lead{font-size:1.12rem;color:var(--cinza);max-width:720px}
.center .lead{margin-inline:auto}

/* Botões */
.btn{display:inline-block;padding:14px 26px;border-radius:999px;font-weight:600;
  font-family:'Poppins',Arial,sans-serif;transition:.2s;cursor:pointer;border:none;font-size:1rem}
.btn--primary{background:var(--verde);color:#fff}
.btn--primary:hover{background:var(--verde-escuro)}
.btn--ghost{background:transparent;color:var(--azul);border:2px solid var(--azul)}
.btn--ghost:hover{background:var(--azul);color:#fff}
.btn--lg{padding:16px 34px;font-size:1.05rem}

/* Cabeçalho */
.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);
  backdrop-filter:blur(6px);border-bottom:1px solid var(--borda)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:12px 0;gap:16px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{height:46px;width:auto}
.brand b{font-family:'Poppins',Arial,sans-serif;color:var(--azul);font-size:1.1rem;line-height:1}
.brand span{display:block;font-size:.72rem;color:var(--cinza);font-weight:400;letter-spacing:.04em}
.menu{display:flex;gap:22px;align-items:center;list-style:none}
.menu a{color:var(--texto);font-weight:500}
.menu a:hover{color:var(--verde)}
.nav-toggle{display:none;background:none;border:0;font-size:1.6rem;color:var(--azul);cursor:pointer}

/* Hero */
.hero{background:linear-gradient(135deg,var(--azul) 0%,var(--azul-escuro) 60%,#0a1a45 100%);
  color:#fff;padding:84px 0}
.hero h1{color:#fff;font-size:clamp(2rem,4.5vw,3rem)}
.hero p{color:#dbe3f5;font-size:1.18rem;margin:18px 0 28px;max-width:640px}
.hero .btn--ghost{color:#fff;border-color:#fff}
.hero .btn--ghost:hover{background:#fff;color:var(--azul)}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-badges{display:flex;gap:22px;flex-wrap:wrap;margin-top:34px;color:#cdd7ef;font-size:.92rem}
.hero-badges span::before{content:"✔ ";color:var(--verde)}

/* Grid de cards */
.grid{display:grid;gap:24px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--borda);border-radius:var(--raio);
  padding:28px;box-shadow:var(--sombra)}
.card .ic{width:48px;height:48px;border-radius:12px;display:grid;place-items:center;
  font-size:1.4rem;margin-bottom:14px;color:#fff;background:var(--verde)}
.card .ic.azul{background:var(--azul)} .card .ic.laranja{background:var(--laranja)}
.card h3{font-size:1.18rem;margin-bottom:8px}
.card p{color:var(--cinza)}
.tag{display:inline-block;background:#e8f5ee;color:var(--verde-escuro);
  font-size:.78rem;font-weight:600;padding:4px 12px;border-radius:999px;margin-bottom:14px}

/* Seção de números / bandeiras */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;text-align:center}
.stat b{font-family:'Poppins',Arial;font-size:2.2rem;color:var(--verde);display:block}
.stat span{color:var(--cinza);font-size:.95rem}
.flags{display:grid;gap:10px;margin-top:8px}
.flag{display:flex;justify-content:space-between;align-items:center;background:#fff;
  border:1px solid var(--borda);border-radius:10px;padding:12px 18px}
.flag i{width:14px;height:14px;border-radius:3px;display:inline-block;margin-right:10px}
.flag b{font-family:'Poppins',Arial}

/* Faixa CTA */
.cta{background:var(--verde);color:#fff;text-align:center;padding:60px 0}
.cta h2{color:#fff}
.cta p{color:#eafaf1;margin:10px auto 26px;max-width:620px}
.cta .btn--primary{background:#fff;color:var(--verde-escuro)}
.cta .btn--primary:hover{background:var(--azul-escuro);color:#fff}

/* Passos */
.steps{counter-reset:s;display:grid;gap:18px}
.step{display:flex;gap:18px;align-items:flex-start}
.step::before{counter-increment:s;content:counter(s);background:var(--azul);color:#fff;
  font-family:'Poppins';font-weight:700;width:40px;height:40px;border-radius:50%;
  display:grid;place-items:center;flex:0 0 40px}

/* Aviso / compliance */
.note{background:#fff8ec;border:1px solid #f3d9a8;border-left:4px solid var(--laranja);
  border-radius:10px;padding:16px 20px;color:#7a5a1e;font-size:.95rem}

/* Formulário */
.form{display:grid;gap:14px;max-width:560px}
.form label{font-weight:600;font-size:.92rem}
.form input,.form textarea,.form select{width:100%;padding:13px 15px;border:1px solid var(--borda);
  border-radius:10px;font:inherit;background:#fff}
.form textarea{min-height:120px;resize:vertical}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.contact-list{list-style:none;display:grid;gap:14px}
.contact-list li{display:flex;gap:12px;align-items:flex-start}
.contact-list .e{font-size:1.2rem}

/* Rodapé */
.footer{background:var(--azul-escuro);color:#c7d0e8;padding:48px 0 24px;font-size:.92rem}
.footer h4{color:#fff;margin-bottom:12px;font-size:1rem}
.footer a{color:#c7d0e8}.footer a:hover{color:#fff}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1.4fr;gap:32px}
.footer-brand img{height:54px;margin-bottom:12px;background:#fff;border-radius:10px;padding:6px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.15);margin-top:28px;padding-top:18px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;color:#9aa6c6}

/* Responsivo */
@media(max-width:860px){
  .grid-3,.grid-2,.stats,.contact-grid,.footer-grid{grid-template-columns:1fr}
  .menu{position:absolute;top:70px;right:4%;flex-direction:column;background:#fff;
    border:1px solid var(--borda);border-radius:12px;padding:16px 22px;box-shadow:var(--sombra);
    display:none;min-width:210px}
  .menu.open{display:flex}
  .nav-toggle{display:block}
}