/* ============================================================
   FR3 ENERGIA · sistema visual do site institucional
   Paleta da marca: preto/navy + gradiente laranja > verde > azul
   ============================================================ */
:root{
  --black:#000;           --navy:#04121F;      --navy2:#0A1B2A;
  --ink:#141619;          --gray:#5B636B;      --cool:#AEB7C0;
  --light:#EEF1F4;        --line:#D8DEE4;
  --orange:#F7941E;       --green:#3CBE3C;     --green-l:#7CD07C;
  --blue:#1E7FD6;         --bluedk:#125B9E;    --cyan:#22B8E8;
  --grad:linear-gradient(90deg,var(--orange) 0%,var(--green) 50%,var(--blue) 100%);
  --wrap:1120px;          --radius:14px;
  --shadow:0 18px 50px rgba(4,18,31,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:#fff;color:var(--ink);
  font-family:"Segoe UI",Inter,system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:17px;line-height:1.62;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--bluedk);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{width:min(var(--wrap),92vw);margin-inline:auto}
.topbar{height:4px;background:var(--grad)}

/* ---------- cabecalho ---------- */
header.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:12px 0}
.nav-logo img{height:42px;width:auto}
.nav-links{display:flex;align-items:center;gap:26px;font-size:15px}
.nav-links a{color:var(--ink);font-weight:600}
.nav-links a:hover{color:var(--bluedk);text-decoration:none}
.btn{display:inline-block;border-radius:999px;padding:12px 24px;font-weight:700;
  font-size:15px;line-height:1;text-align:center;border:0;cursor:pointer;transition:.16s}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-wa{background:var(--green);color:#fff}
.btn-wa:hover{background:#33a833;color:#fff}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#000;color:#fff}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.45)}
.btn-ghost:hover{border-color:#fff;color:#fff}
.nav-toggle{display:none;background:none;border:0;font-size:26px;color:var(--ink);cursor:pointer}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--navy);color:#fff;overflow:hidden}
.hero::after{content:"";position:absolute;inset:auto 0 0 0;height:5px;background:var(--grad)}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.30}
.hero-in{position:relative;padding:96px 0 104px;max-width:760px}
.kicker{color:var(--orange);font-weight:700;font-size:13px;letter-spacing:.14em;
  text-transform:uppercase;margin:0 0 14px}
h1{font-size:clamp(34px,5.4vw,54px);line-height:1.1;margin:0 0 20px;font-weight:800;letter-spacing:-.02em}
h1 .g{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{font-size:19px;color:#D6DDE4;margin:0 0 30px;max-width:620px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px}
.pills{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:56px;
  padding-top:26px;border-top:1px solid rgba(255,255,255,.14)}
.pill b{display:block;font-size:13px;letter-spacing:.08em;text-transform:uppercase}
.pill span{font-size:13px;color:var(--cool)}
.pill.o b{color:var(--orange)} .pill.g b{color:var(--green)}
.pill.c b{color:var(--cyan)}   .pill.b b{color:var(--blue)}

/* ---------- secoes ---------- */
section{padding:78px 0}
section.tint{background:var(--light)}
section.dark{background:var(--navy);color:#fff}
section.dark p{color:var(--cool)}
h2{font-size:clamp(26px,3.4vw,36px);line-height:1.18;margin:0 0 8px;font-weight:800;letter-spacing:-.01em}
h2 .g{color:var(--green)}
.rule{width:56px;height:3px;border-radius:2px;background:var(--grad);margin:14px 0 24px}
.lead{font-size:18px;color:var(--gray);max-width:760px;margin:0 0 34px}
section.dark .lead{color:var(--cool)}
h3{font-size:19px;margin:0 0 6px;font-weight:700}

/* ---------- grades e cartoes ---------- */
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow)}
section.dark .card{background:#08202F;border-color:rgba(255,255,255,.12)}
.card p{margin:0;color:var(--gray);font-size:15.5px}
section.dark .card p{color:var(--cool)}
.card .ic{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;
  font-size:22px;margin-bottom:14px}
.ic.o{background:rgba(247,148,30,.14);color:var(--orange)}
.ic.g{background:rgba(60,190,60,.14);color:var(--green)}
.ic.c{background:rgba(34,184,232,.14);color:var(--cyan)}
.ic.b{background:rgba(30,127,214,.14);color:var(--blue)}
.card.pick{border-width:2px}
.card.pick.g{border-color:var(--green)} .card.pick.b{border-color:var(--blue)}
.card a.more{display:inline-block;margin-top:16px;font-weight:700}

/* passos numerados */
.steps{counter-reset:s;display:grid;gap:20px}
.step{display:flex;gap:18px;align-items:flex-start}
.step .n{flex:0 0 44px;height:44px;border-radius:50%;display:grid;place-items:center;
  font-weight:800;color:#fff;background:var(--bluedk)}
.step:nth-child(2) .n{background:var(--green)}
.step:nth-child(3) .n{background:var(--orange)}
.step:nth-child(4) .n{background:var(--blue)}
.step p{margin:2px 0 0;color:var(--gray);font-size:15.5px}
section.dark .step p{color:var(--cool)}

/* socios */
.people{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.person{text-align:center}
.person .ph{width:132px;height:132px;border-radius:50%;margin:0 auto 14px;overflow:hidden;
  background:#1B1E22;padding:3px;background-image:var(--grad)}
.person .ph i{display:block;width:100%;height:100%;border-radius:50%;overflow:hidden;background:#12202C}
.person .ph img{width:100%;height:100%;object-fit:cover}
.person .ph.vazia{background-image:none;background:var(--grad);}
.person .ph.vazia i{background:#16232F}
.person b{display:block;font-size:17px}
.person em{display:block;font-style:normal;font-size:12.5px;font-weight:700;letter-spacing:.06em;
  text-transform:uppercase;color:var(--orange);margin:4px 0 8px}
.person span{font-size:14px;color:var(--cool)}
section:not(.dark) .person span{color:var(--gray)}

/* faixa de destaque */
.band{background:var(--navy);color:#fff;border-radius:18px;padding:34px 36px;
  display:flex;gap:26px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.band h3{font-size:23px;margin:0 0 6px}
.band p{margin:0;color:var(--cool);max-width:620px}
.band .bar{position:absolute}

/* ---------- formulario ---------- */
.form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px;box-shadow:var(--shadow)}
.field{margin-bottom:18px}
.field label{display:block;font-weight:700;font-size:14.5px;margin-bottom:6px}
.field .hint{font-weight:400;color:var(--gray);font-size:13px}
.field input,.field select,.field textarea{
  width:100%;padding:13px 14px;border:1.5px solid var(--line);border-radius:10px;
  font:inherit;font-size:16px;color:var(--ink);background:#fff;transition:.14s}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:0;border-color:var(--blue);box-shadow:0 0 0 4px rgba(30,127,214,.12)}
.field textarea{min-height:110px;resize:vertical}
.field.err input,.field.err select,.field.err textarea{border-color:#D64545}
.msg-err{display:none;color:#D64545;font-size:13.5px;margin-top:6px}
.field.err .msg-err{display:block}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--gray)}
.consent input{width:auto;margin-top:4px}

/* ---------- rodape ---------- */
footer{background:var(--navy);color:var(--cool);padding:56px 0 30px;font-size:14.5px}
footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:34px;margin-bottom:34px}
footer h4{color:#fff;font-size:14px;letter-spacing:.08em;text-transform:uppercase;margin:0 0 12px}
footer a{color:var(--cool);display:block;margin-bottom:8px}
footer a:hover{color:#fff}
footer .logo img{height:46px;margin-bottom:14px}
footer .fim{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px}

/* ---------- responsivo ---------- */
@media (max-width:900px){
  .g3,.g4,.people,footer .cols{grid-template-columns:repeat(2,1fr)}
  .pills{grid-template-columns:repeat(2,1fr);gap:22px}
}
@media (max-width:640px){
  body{font-size:16px}
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;
    flex-direction:column;align-items:flex-start;gap:0;padding:8px 6vw 18px;
    border-bottom:1px solid var(--line)}
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 0;width:100%}
  .nav-toggle{display:block}
  .g2,.g3,.g4,.people,footer .cols{grid-template-columns:1fr}
  .hero-in{padding:64px 0 72px}
  section{padding:56px 0}
  .band{padding:26px}
}