/* ============================================================
   GRIDIO — folha de estilo compartilhada
   Direção: branco dominante, tipografia em grafite, verde como
   acento cirúrgico. Motivo: esquemas elétricos de linha fina
   com "nós" (o círculo da marca) como pontos de conexão.
   ============================================================ */

:root{
  /* tinta */
  --ink:#141414;
  --ink-2:#3a3a3a;
  --muted:#6c6c6a;

  /* papel */
  --paper:#ffffff;
  --mist:#f3f3f1;
  --line:#e4e4e0;

  /* verde (acento) */
  --volt:#7cb342;        /* preenchimentos, ícones ativos, nós */
  --volt-2:#8bc34a;
  --volt-ink:#46711f;    /* verde escuro p/ texto/links sobre branco (AA) */

  /* escuro (rodapé / CTA final) */
  --coal:#0c0c0c;
  --coal-2:#161616;
  --coal-line:#2a2a2a;

  --maxw:1200px;
  --radius:14px;
  --radius-sm:9px;

  /* escala de espaçamento (bordas/margens maiores) */
  --space-md:1.5rem;
  --space-lg:3rem;
  --space-xl:5rem;
  --space-2xl:7rem;

  --ff-display:"Sora","Manrope",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --ff-body:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --ff-mono:"IBM Plex Mono",ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

body{
  margin:0;
  font-family:var(--ff-body);
  color:var(--ink);
  background:var(--paper);
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

img{max-width:100%;display:block}
a{color:inherit}

h1,h2,h3,h4{font-family:var(--ff-display);font-weight:700;line-height:1.08;letter-spacing:-0.02em;margin:0;color:var(--ink)}
h1{font-size:clamp(2.3rem,5.2vw,4rem);font-weight:800}
h2{font-size:clamp(1.8rem,3.6vw,2.8rem)}
h3{font-size:clamp(1.25rem,2vw,1.55rem);letter-spacing:-0.01em}
p{margin:0 0 1rem}
p:last-child{margin-bottom:0}

.wrap{max-width:var(--maxw);margin:0 auto;padding-left:2.5rem;padding-right:2.5rem}
.section{padding:96px 0}
.section--tight{padding:64px 0}
.mist{background:var(--mist)}

/* ---------- eyebrow + nó da marca ---------- */
.eyebrow{
  font-family:var(--ff-mono);
  font-size:.74rem;
  font-weight:500;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--muted);
  display:inline-flex;
  align-items:center;
  gap:.6em;
  margin:0 0 1.1rem;
}
.eyebrow::before{
  content:"";
  width:7px;height:7px;border-radius:50%;
  background:var(--volt);
  flex:none;
}

.lead{font-size:clamp(1.05rem,1.5vw,1.22rem);color:var(--ink-2);max-width:60ch}
.muted{color:var(--muted)}
.measure{max-width:64ch}

/* ---------- botões ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.5em;
  font-family:var(--ff-body);font-weight:600;font-size:.98rem;
  padding:.85em 1.5em;border-radius:999px;
  text-decoration:none;cursor:pointer;border:1.5px solid transparent;
  transition:transform .15s ease,background .15s ease,border-color .15s ease,color .15s ease;
}
.btn:focus-visible{outline:2.5px solid var(--volt-ink);outline-offset:3px}
.btn-primary{background:var(--volt);color:var(--ink)}
.btn-primary:hover{background:var(--volt-2);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink);transform:translateY(-1px)}
.btn-arrow svg{transition:transform .15s ease}
.btn-arrow:hover svg{transform:translateX(3px)}
.btn-on-dark{background:var(--volt);color:var(--ink)}
.btn-on-dark:hover{background:var(--volt-2)}
.btn-ghost-dark{background:transparent;color:#fff;border-color:var(--coal-line)}
.btn-ghost-dark:hover{border-color:#fff}

/* link de texto */
.tlink{color:var(--volt-ink);font-weight:600;text-decoration:none;border-bottom:1.5px solid transparent;transition:border-color .15s}
.tlink:hover{border-color:var(--volt-ink)}

/* ============================================================
   NAV
   ============================================================ */
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.86);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.nav-links{display:flex;align-items:center;gap:30px;list-style:none;margin:0;padding:0}
.nav-links a{
  text-decoration:none;color:var(--ink);font-weight:500;font-size:.97rem;
  padding:6px 0;position:relative;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:100%;bottom:-2px;height:2px;background:var(--volt);
  transition:right .2s ease;
}
.nav-links a:hover::after,.nav-links a[aria-current="page"]::after{right:0}
.nav-links a[aria-current="page"]{font-weight:600}
.nav-cta{margin-left:8px}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px;color:var(--ink)}

/* ---------- logotipo (wordmark) ---------- */
.logo{display:inline-flex;align-items:center;text-decoration:none;font-family:var(--ff-display);font-weight:800;letter-spacing:-0.04em;font-size:1.55rem;line-height:1}
.logo .g-grid{color:var(--ink)}
.logo .g-io{color:var(--volt-ink)}
.logo .g-node{width:.34em;height:.34em;border-radius:50%;background:var(--volt);display:inline-block;margin-left:.1em;transform:translateY(-.05em)}
.logo--light .g-grid{color:#fff}
.logo--light .g-io{color:var(--volt)}

/* ============================================================
   HERO
   ============================================================ */
.hero{position:relative;overflow:hidden}
.hero-grid-bg{
  position:absolute;inset:0;z-index:0;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),
                   linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:46px 46px;
  -webkit-mask-image:radial-gradient(120% 90% at 75% 30%,#000 30%,transparent 78%);
          mask-image:radial-gradient(120% 90% at 75% 30%,#000 30%,transparent 78%);
  opacity:.7;
}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center;padding:88px 0 96px}
.hero h1{margin-bottom:1.3rem}
.hero h1 em{font-style:normal;color:var(--volt-ink)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:2rem}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:2.4rem;font-family:var(--ff-mono);font-size:.8rem;color:var(--muted);letter-spacing:.04em}
.hero-meta span{display:inline-flex;align-items:center;gap:.55em}
.hero-meta span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--volt)}
.hero-figure{width:100%}

/* ============================================================
   GRIDS / CARDS
   ============================================================ */
.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}

.card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 28px;transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.card--link{text-decoration:none;color:inherit;display:flex;flex-direction:column;height:100%}
.card--link:hover{border-color:var(--ink);transform:translateY(-3px);box-shadow:0 14px 34px -22px rgba(0,0,0,.4)}
.card .card-ico{margin-bottom:18px;color:var(--ink)}
.card h3{margin-bottom:.55rem}
.card p{color:var(--ink-2);font-size:1rem}
.card-more{margin-top:auto;padding-top:18px;font-family:var(--ff-mono);font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--volt-ink);display:inline-flex;align-items:center;gap:.5em}

/* lista com nós verdes */
.node-list{list-style:none;margin:1.2rem 0 0;padding:0;display:grid;gap:.85rem}
.node-list li{position:relative;padding-left:1.7rem;color:var(--ink-2)}
.node-list li::before{content:"";position:absolute;left:.15rem;top:.62em;width:8px;height:8px;border-radius:50%;background:var(--volt)}
.node-list strong{color:var(--ink);font-weight:600}

/* ---------- intro de seção ---------- */
.shead{max-width:62ch;margin-bottom:48px}
.shead.center{margin-left:auto;margin-right:auto;text-align:center}
.shead.center .eyebrow{justify-content:center}
.shead p{margin-top:1rem;color:var(--ink-2)}

/* ============================================================
   ESTATÍSTICAS / PROVA
   ============================================================ */
.stat{display:flex;flex-direction:column;gap:.3rem}
.stat-num{font-family:var(--ff-mono);font-weight:500;font-size:clamp(2rem,3.4vw,2.9rem);letter-spacing:-0.02em;color:var(--ink);line-height:1}
.stat-num .u{color:var(--volt-ink);font-size:.5em;font-weight:500;margin-left:.15em}
.stat-lab{font-size:.92rem;color:var(--muted);max-width:30ch}

/* tabela comparativa de caso */
.case{
  display:grid;grid-template-columns:1.1fr 1fr;gap:0;border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;background:var(--paper);
}
.case-body{padding:34px 32px}
.case-tag{font-family:var(--ff-mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--volt-ink);margin-bottom:.9rem;display:block}
.case-body h3{margin-bottom:.7rem}
.case-rows{margin-top:22px;border-top:1px solid var(--line)}
.case-row{display:flex;justify-content:space-between;align-items:baseline;gap:14px;padding:14px 0;border-bottom:1px solid var(--line)}
.case-row:last-child{border-bottom:none}
.case-row .k{color:var(--muted);font-size:.92rem}
.case-row .v{font-family:var(--ff-mono);font-weight:500;font-size:1.05rem}
.case-row .v.was{color:var(--muted);text-decoration:line-through;text-decoration-color:#c0392b80}
.case-row .v.now{color:var(--volt-ink)}
.case-aside{background:var(--coal);color:#fff;padding:34px 32px;display:flex;flex-direction:column;justify-content:center}
.case-aside .big{font-family:var(--ff-mono);font-weight:500;font-size:clamp(1.7rem,3vw,2.3rem);line-height:1.05;letter-spacing:-0.01em}
.case-aside .big .hl{color:var(--volt-2)}
.case-aside p{color:#b9b9b7;font-size:.95rem;margin-top:.8rem}

/* ============================================================
   PROCESSO (cadeia de nós horizontal)
   ============================================================ */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;margin-top:10px}
.flow-line{position:absolute;top:19px;left:8%;right:8%;height:2px;background:var(--line);z-index:0}
.flow-line .energ{position:absolute;inset:0;background:linear-gradient(90deg,var(--volt),var(--volt-2));transform-origin:left;width:100%}
.step{position:relative;z-index:1;padding:0 14px;text-align:center}
.step-dot{width:38px;height:38px;border-radius:50%;background:var(--paper);border:2px solid var(--ink);color:var(--ink);
  display:flex;align-items:center;justify-content:center;margin:0 auto 18px;font-family:var(--ff-mono);font-weight:500;font-size:.95rem}
.step-dot.on{background:var(--volt);border-color:var(--volt);color:var(--ink)}
.step h4{font-family:var(--ff-display);font-size:1.05rem;font-weight:700;letter-spacing:-0.01em;margin-bottom:.4rem}
.step p{font-size:.92rem;color:var(--muted)}

/* faixa logos / parceria */
.partner{display:flex;align-items:center;gap:40px;flex-wrap:wrap}
.partner-mark{font-family:var(--ff-display);font-weight:700;font-size:1.6rem;letter-spacing:.02em;color:var(--ink);display:inline-flex;align-items:center;gap:.5rem}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.chip{font-family:var(--ff-mono);font-size:.78rem;letter-spacing:.03em;color:var(--ink-2);background:var(--paper);border:1px solid var(--line);border-radius:999px;padding:.45em .95em}

/* ============================================================
   FAIXA ESCURA / CTA FINAL
   ============================================================ */
.band-dark{background:var(--coal);color:#fff;position:relative;overflow:hidden}
.band-dark .hero-grid-bg{
  background-image:linear-gradient(var(--coal-line) 1px,transparent 1px),
                   linear-gradient(90deg,var(--coal-line) 1px,transparent 1px);
  opacity:.5;
}
.band-dark h2{color:#fff}
.band-dark .eyebrow{color:#9a9a98}
.band-dark .lead{color:#c2c2c0}
.cta-final{position:relative;z-index:1;text-align:center;max-width:680px;margin:0 auto}
.cta-final .hero-actions{justify-content:center}

/* ============================================================
   FOOTER
   ============================================================ */
.footer{background:var(--coal);color:#bdbdbb;padding:64px 0 36px;border-top:1px solid var(--coal-line)}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-bottom:42px;border-bottom:1px solid var(--coal-line)}
.footer .logo{margin-bottom:14px}
.footer-tag{font-family:var(--ff-mono);letter-spacing:.34em;text-transform:uppercase;font-size:.72rem;color:#7f7f7d;margin-top:4px}
.footer p{font-size:.93rem;color:#9a9a98;max-width:34ch}
.footer h5{font-family:var(--ff-display);font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;color:#fff;margin:0 0 16px;font-weight:600}
.footer ul{list-style:none;margin:0;padding:0;display:grid;gap:11px}
.footer ul a{text-decoration:none;color:#9a9a98;font-size:.94rem;transition:color .15s}
.footer ul a:hover{color:var(--volt-2)}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;padding-top:26px;font-size:.82rem;color:#76766f}
.footer-bottom .disc{max-width:62ch}

/* ============================================================
   FORMULÁRIO (contato)
   ============================================================ */
.form{display:grid;gap:18px}
.field{display:grid;gap:7px}
.field label{font-size:.86rem;font-weight:600;color:var(--ink)}
.field .req{color:var(--volt-ink)}
.field input,.field select,.field textarea{
  font-family:var(--ff-body);font-size:1rem;color:var(--ink);
  padding:.8em .95em;border:1.5px solid var(--line);border-radius:var(--radius-sm);background:var(--paper);
  transition:border-color .15s ease,box-shadow .15s ease;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--volt);box-shadow:0 0 0 3px rgba(124,179,66,.18)}
.field textarea{resize:vertical;min-height:120px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-note{font-size:.84rem;color:var(--muted)}
.form-ok{display:none;background:#f1f7ea;border:1px solid #cfe3b8;color:#37591a;border-radius:var(--radius-sm);padding:16px 18px;font-size:.95rem}
.form-ok.show{display:block}

.contact-cards{display:grid;gap:16px}
.contact-card{display:flex;gap:16px;align-items:flex-start;padding:22px 22px;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper)}
.contact-card .ico{flex:none;color:var(--volt-ink);margin-top:2px}
.contact-card h4{font-family:var(--ff-display);font-size:1.05rem;margin-bottom:.25rem}
.contact-card p,.contact-card a{font-size:.95rem;color:var(--ink-2);text-decoration:none}
.contact-card a:hover{color:var(--volt-ink)}

/* ============================================================
   PÁGINA: cabeçalho interno
   ============================================================ */
.pagehead{padding:72px 0 56px;border-bottom:1px solid var(--line)}
.pagehead h1{font-size:clamp(2rem,4.4vw,3.2rem);margin-bottom:1rem}
.pagehead .lead{font-size:1.15rem}

/* bloco alternado texto + esquema */
.split{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}
.split.rev .split-fig{order:-1}
.split-fig{background:var(--mist);border:1px solid var(--line);border-radius:var(--radius);padding:34px;display:flex;align-items:center;justify-content:center}
.split + .split{margin-top:80px}

/* divisor de seção */
.rule{height:1px;background:var(--line);border:0;margin:0}

/* ============================================================
   RESPONSIVO
   ============================================================ */
@media (max-width:920px){
  .hero-inner{grid-template-columns:1fr;gap:36px;padding:60px 0 72px}
  .hero-figure{max-width:520px}
  .grid-3{grid-template-columns:1fr 1fr}
  .split{grid-template-columns:1fr;gap:32px}
  .split.rev .split-fig{order:0}
  .case{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr 1fr}
  .flow{grid-template-columns:1fr 1fr;gap:36px 0}
  .flow-line{display:none}
}
@media (max-width:680px){
  .section{padding:68px 0}
  .nav-links{
    position:fixed;inset:72px 0 auto 0;background:var(--paper);flex-direction:column;
    align-items:stretch;gap:0;padding:8px 0 18px;border-bottom:1px solid var(--line);
    transform:translateY(-120%);transition:transform .26s ease;box-shadow:0 18px 30px -24px rgba(0,0,0,.5)
  }
  .nav-links.open{transform:translateY(0)}
  .nav-links li{padding:0 24px}
  .nav-links a{display:block;padding:13px 0;border-bottom:1px solid var(--line)}
  .nav-links a::after{display:none}
  .nav-links .nav-cta{margin:14px 0 0}
  .nav-links .nav-cta .btn{width:100%;justify-content:center}
  .nav-toggle{display:inline-flex}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
}

/* reveal sutil ao rolar */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .flow-line .energ{animation:none !important}
  .dash-flow{animation:none !important}
}

/* animações dos esquemas */
.dash-flow{stroke-dasharray:6 9;animation:flow 1.5s linear infinite}
@keyframes flow{to{stroke-dashoffset:-30}}
.flow-line .energ{transform:scaleX(0);animation:grow 1.7s ease .35s forwards}
@keyframes grow{to{transform:scaleX(1)}}
@media (prefers-reduced-motion:reduce){
  .flow-line .energ{transform:scaleX(1);animation:none}
}

/* ============================================================
   ALTERAÇÕES — faixa "Mais energia para quem produz",
   placeholders de imagem e padding mobile do .wrap
   ============================================================ */

/* faixa-declaração logo abaixo do hero */
.band-statement{
  padding:var(--space-2xl) 0;
  background:var(--mist);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.band-statement__title{max-width:22ch;margin:.75rem 0 1rem}

/* placeholders de imagem (o conteúdo final entra depois) */
.img-slot{
  margin:0;border:1px dashed var(--line);border-radius:12px;
  background:var(--mist);aspect-ratio:4 / 3;
  display:flex;align-items:center;justify-content:center;
}
.img-slot__label{
  font-family:var(--ff-mono);font-size:.8rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--muted);
}

/* bordas/margens menores no mobile */
@media (max-width:640px){
  .wrap{padding-left:1.5rem;padding-right:1.5rem}
}