/* ============================================================
   H2Forge — site institucional
   Paleta: escala de temperatura de forja de hidrogênio.
   Aço frio (#07090E) -> azul da marca (#2655BF) -> azul-chama
   (#3B7BFF) -> branco incandescente (#EAF1FF).
   As duas primeiras cores foram extraídas da logo real.
   ============================================================ */

:root{
  --carbon:#07090E;      /* fundo, aço frio */
  --steel:#0E1219;       /* superfície (cor da logo) */
  --steel-2:#131926;     /* superfície elevada */
  --edge:#1B2231;        /* hairline */
  --edge-hot:#2B3C5E;    /* hairline aquecida */
  --deep:#2655BF;        /* azul da marca */
  --flame:#3B7BFF;       /* azul-chama, interação */
  --flame-soft:#7FA6FF;
  --white-hot:#EAF1FF;   /* texto principal */
  --ash:#8A93A6;         /* texto secundário */
  --ash-dim:#5D6678;     /* texto terciário */

  --display:'Archivo',system-ui,sans-serif;
  --body:'Inter',system-ui,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,monospace;

  --max:1120px;
  --pad:clamp(1.15rem,4vw,2.5rem);
  --r:10px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
body{
  margin:0;
  background:var(--carbon);
  color:var(--white-hot);
  font-family:var(--body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
h1,h2,h3{margin:0;font-family:var(--display);font-weight:800;line-height:1.02;letter-spacing:-.02em;word-spacing:.06em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}

:focus-visible{outline:2px solid var(--flame);outline-offset:3px;border-radius:2px}

.skip{position:absolute;left:-9999px;top:0;z-index:99;background:var(--flame);color:#fff;padding:.7rem 1rem}
.skip:focus{left:0}

/* ── estrutura: a página como um desenho técnico ───────────── */
.rails{
  max-width:var(--max);
  margin:0 auto;
  padding:0 var(--pad);
  position:relative;
}
@media (min-width:1180px){
  .rails::before,.rails::after{
    content:"";position:absolute;top:0;bottom:0;width:1px;
    background:linear-gradient(180deg,transparent,var(--edge) 12%,var(--edge) 88%,transparent);
  }
  .rails::before{left:0}
  .rails::after{right:0}
}

/* ── navegação ─────────────────────────────────────────────── */
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(7,9,14,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .3s ease,background .3s ease;
}
.nav.stuck{border-bottom-color:var(--edge)}
.nav-in{
  max-width:var(--max);margin:0 auto;padding:.85rem var(--pad);
  display:flex;align-items:center;gap:1.25rem;flex-wrap:wrap;
}
/* Marca gráfica como imagem, nome como texto real — a logo completa em PNG
   fica ilegível abaixo de ~40px por causa da tagline embutida. */
.brand{display:inline-flex;align-items:center;gap:.55rem}
.brand img{height:26px;width:26px}
.brand-name{
  font-family:var(--display);font-weight:800;font-size:1.12rem;
  letter-spacing:-.025em;color:var(--white-hot);
}
.nav-links{display:flex;gap:1.5rem;margin-left:auto;flex-wrap:wrap}
.nav-links a{
  font-family:var(--mono);font-size:.78rem;color:var(--ash);
  letter-spacing:.02em;transition:color .2s ease;
}
.nav-links a:hover{color:var(--white-hot)}
@media (max-width:820px){
  .nav-links{display:none}
  .nav-in{justify-content:space-between}
}

/* ── botões ────────────────────────────────────────────────── */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  font-family:var(--body);font-weight:600;font-size:.94rem;
  padding:.78rem 1.35rem;border-radius:var(--r);
  background:linear-gradient(180deg,var(--flame),var(--deep));
  color:#fff;border:1px solid #4d86ff;
  box-shadow:0 0 0 0 rgba(59,123,255,.45),0 8px 24px -12px rgba(38,85,191,.9);
  transition:box-shadow .25s ease,transform .25s ease,filter .25s ease;
  white-space:nowrap;
}
.btn:hover{
  filter:brightness(1.08);
  box-shadow:0 0 26px -4px rgba(59,123,255,.55),0 8px 24px -12px rgba(38,85,191,.9);
  transform:translateY(-1px);
}
.btn-sm{padding:.55rem 1rem;font-size:.86rem}
.btn-lg{padding:.95rem 1.9rem;font-size:1.02rem}
.btn-ghost{
  background:transparent;border:1px solid var(--edge);color:var(--white-hot);
  box-shadow:none;
}
.btn-ghost:hover{border-color:var(--edge-hot);background:rgba(59,123,255,.06);box-shadow:none}

/* ── rótulos ───────────────────────────────────────────────── */
.eyebrow{
  font-family:var(--mono);font-size:.74rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--flame-soft);margin-bottom:1.1rem;
}

/* ── hero ──────────────────────────────────────────────────── */
/* overflow:hidden contém o brilho decorativo, que é mais largo que a coluna
   de propósito — sem isso ele estica a página inteira no celular. */
.hero{position:relative;overflow:hidden;padding:clamp(3.5rem,11vw,7rem) 0 clamp(2.5rem,6vw,4rem)}
.forge-glow{
  position:absolute;left:50%;top:-14%;transform:translateX(-50%);
  width:min(940px,120%);height:560px;pointer-events:none;z-index:-1;
  background:radial-gradient(50% 50% at 50% 50%,rgba(59,123,255,.20),rgba(38,85,191,.07) 45%,transparent 72%);
  filter:blur(8px);
}
.hero h1{
  font-size:clamp(2.9rem,10.5vw,6.4rem);
  font-stretch:118%;
  font-weight:800;
  letter-spacing:-.035em;
  text-transform:uppercase;
  margin-bottom:1.6rem;
  color:#C9D6EE;
}
/* aço saindo da forja: um brilho especular passa uma vez */
.hero h1 .hot{
  background:linear-gradient(100deg,
    var(--white-hot) 0%,var(--white-hot) 34%,#fff 44%,
    var(--flame-soft) 52%,var(--white-hot) 64%,var(--white-hot) 100%);
  background-size:320% 100%;background-position:-60% 0;
  -webkit-background-clip:text;background-clip:text;color:transparent;
  animation:sweep 1.5s cubic-bezier(.22,.7,.2,1) .45s 1 both;
}
@keyframes sweep{from{background-position:160% 0}to{background-position:-60% 0}}

.lede{
  max-width:34rem;font-size:clamp(1.02rem,2.4vw,1.17rem);
  color:var(--ash);margin-bottom:2rem;
}
.ctas{display:flex;gap:.8rem;flex-wrap:wrap;margin-bottom:clamp(3rem,8vw,5rem)}

/* ── assinatura: log de produção ───────────────────────────── */
.prod{
  border:1px solid var(--edge);border-radius:var(--r);
  background:linear-gradient(180deg,rgba(19,25,38,.85),rgba(14,18,25,.6));
  overflow:hidden;
}
.prod-head{
  display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  padding:.75rem 1.1rem;border-bottom:1px solid var(--edge);
  background:rgba(7,9,14,.45);
}
.prod-title{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.18em;
  text-transform:uppercase;color:var(--ash);
}
.prod-count{
  font-family:var(--mono);font-size:.72rem;color:var(--flame-soft);
  display:inline-flex;align-items:center;gap:.5rem;
}
.dot,.prod-dot{
  width:6px;height:6px;border-radius:50%;flex:none;
  background:var(--flame);box-shadow:0 0 0 0 rgba(59,123,255,.55);
  animation:pulse 2.6s ease-out infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(59,123,255,.5)}
  70%{box-shadow:0 0 0 7px rgba(59,123,255,0)}
  100%{box-shadow:0 0 0 0 rgba(59,123,255,0)}
}

.prod-list li{
  display:grid;
  grid-template-columns:auto minmax(0,10rem) minmax(0,15rem) minmax(0,1fr) auto;
  align-items:center;gap:.9rem;
  padding:.78rem 1.1rem;border-top:1px solid rgba(27,34,49,.65);
  transition:background .2s ease;
}
.prod-list li:first-child{border-top:0}
.prod-list li:hover{background:rgba(59,123,255,.05)}
.prod-name{font-weight:600;font-size:.92rem}
.prod-host{
  font-family:var(--mono);font-size:.78rem;color:var(--ash-dim);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.prod-desc{font-size:.88rem;color:var(--ash)}
.tag{
  font-family:var(--mono);font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;
  padding:.24rem .55rem;border-radius:999px;
  border:1px solid var(--edge);color:var(--ash-dim);white-space:nowrap;
}
.tag-live{border-color:rgba(59,123,255,.35);color:var(--flame-soft);background:rgba(59,123,255,.07)}

@media (max-width:880px){
  .prod-list li{
    grid-template-columns:auto minmax(0,1fr) auto;
    grid-template-areas:
      "dot name tag"
      ".   host host"
      ".   desc desc";
    row-gap:.2rem;
  }
  .prod-dot{grid-area:dot}
  .prod-name{grid-area:name}
  .tag{grid-area:tag}
  .prod-host{grid-area:host}
  .prod-desc{grid-area:desc}
}

/* ── números ───────────────────────────────────────────────── */
.stats{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  border-top:1px solid var(--edge);border-bottom:1px solid var(--edge);
  margin-top:clamp(3rem,7vw,4.5rem);
}
.stat{padding:clamp(1.6rem,4vw,2.4rem) 1.2rem;border-left:1px solid var(--edge)}
.stat:first-child{border-left:0;padding-left:0}
.stat-n{
  display:block;font-family:var(--display);font-weight:800;font-stretch:110%;
  font-size:clamp(2.4rem,6vw,3.4rem);line-height:1;letter-spacing:-.04em;
  color:var(--flame-soft);
}
.stat-l{display:block;margin-top:.6rem;font-size:.88rem;color:var(--ash);max-width:15rem}
@media (max-width:720px){
  .stats{grid-template-columns:minmax(0,1fr)}
  .stat{border-left:0;border-top:1px solid var(--edge);padding-left:0}
  .stat:first-child{border-top:0}
}

/* ── seções ────────────────────────────────────────────────── */
.sec{padding:clamp(4rem,10vw,7rem) 0}
.sec-quiet{padding-top:0}
.sec-head{max-width:38rem;margin-bottom:clamp(2rem,5vw,3.2rem)}
.sec-head h2{font-size:clamp(1.9rem,5vw,2.9rem);font-stretch:108%;letter-spacing:-.03em}
.sec-sub{margin-top:1rem;color:var(--ash);font-size:1.02rem}

/* ── cards de serviço ──────────────────────────────────────── */
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--edge);
  border:1px solid var(--edge);border-radius:var(--r);overflow:hidden}
.card{
  position:relative;background:var(--steel);padding:clamp(1.5rem,3vw,2rem);
  transition:background .3s ease;
}
.card::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:0;
  background:radial-gradient(120% 70% at 50% 0%,rgba(59,123,255,.14),transparent 60%);
  transition:opacity .35s ease;
}
.card:hover{background:var(--steel-2)}
.card:hover::after{opacity:1}
.card h3{font-size:1.22rem;font-weight:700;letter-spacing:-.02em;margin-bottom:.7rem}
.card>p{color:var(--ash);font-size:.94rem}
.ticks{margin:1.2rem 0 1.3rem;display:grid;gap:.55rem}
.ticks li{
  position:relative;padding-left:1.2rem;font-size:.9rem;color:var(--white-hot);
}
.ticks li::before{
  content:"";position:absolute;left:0;top:.62em;width:6px;height:1px;background:var(--flame);
}
.card-foot{
  font-family:var(--mono);font-size:.75rem;color:var(--ash-dim);
  padding-top:1rem;border-top:1px solid var(--edge);
}
@media (max-width:900px){
  .cards{grid-template-columns:minmax(0,1fr)}
}

/* ── cards de produto ──────────────────────────────────────── */
.prods{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}
.prod-card{
  border:1px solid var(--edge);border-radius:var(--r);
  background:var(--steel);padding:clamp(1.4rem,3vw,1.8rem);
  transition:border-color .3s ease,transform .3s ease,box-shadow .3s ease;
}
.prod-card:hover{
  border-color:var(--edge-hot);transform:translateY(-2px);
  box-shadow:0 18px 40px -28px rgba(59,123,255,.7);
}
.prod-card-top{display:flex;align-items:center;gap:.8rem;flex-wrap:wrap;margin-bottom:.35rem}
.prod-card h3{font-size:1.3rem;font-weight:700;letter-spacing:-.02em}
.prod-card-for{
  font-family:var(--mono);font-size:.73rem;letter-spacing:.06em;color:var(--ash-dim);
  margin-bottom:.9rem;
}
.prod-card>p{color:var(--ash);font-size:.94rem}
.link{
  display:inline-flex;align-items:center;gap:.4rem;margin-top:1.1rem;
  font-size:.88rem;font-weight:600;color:var(--flame-soft);
  transition:gap .2s ease,color .2s ease;
}
.link:hover{gap:.7rem;color:#fff}
@media (max-width:820px){
  .prods{grid-template-columns:minmax(0,1fr)}
}

/* ── processo ──────────────────────────────────────────────── */
.steps{display:grid;gap:0;border-top:1px solid var(--edge)}
.step{
  display:grid;grid-template-columns:auto minmax(0,1fr);gap:clamp(1.2rem,4vw,3rem);
  padding:clamp(1.6rem,4vw,2.2rem) 0;border-bottom:1px solid var(--edge);
}
.step-n{
  font-family:var(--mono);font-size:.82rem;color:var(--flame);padding-top:.2rem;
  letter-spacing:.05em;
}
.step h3{font-size:1.28rem;font-weight:700;letter-spacing:-.02em;margin-bottom:.55rem}
.step p{color:var(--ash);font-size:.96rem;max-width:44rem}

/* ── chips ─────────────────────────────────────────────────── */
.chips{display:flex;flex-wrap:wrap;gap:.55rem}
.chips li{
  border:1px solid var(--edge);border-radius:999px;padding:.45rem 1rem;
  font-size:.88rem;color:var(--ash);background:var(--steel);
  transition:border-color .25s ease,color .25s ease;
}
.chips li:hover{border-color:var(--edge-hot);color:var(--white-hot)}

/* ── cta final ─────────────────────────────────────────────── */
.cta-final{
  position:relative;text-align:center;
  padding:clamp(4rem,10vw,6.5rem) var(--pad) clamp(4rem,10vw,6rem);
  margin:clamp(3rem,7vw,4rem) 0 clamp(4rem,9vw,6rem);
  border:1px solid var(--edge);border-radius:calc(var(--r) + 4px);
  background:linear-gradient(180deg,var(--steel),rgba(7,9,14,.4));
  overflow:hidden;
}
.forge-glow-sm{top:auto;bottom:-58%;height:420px;width:min(680px,130%);filter:blur(4px);z-index:0}
.cta-final>*{position:relative;z-index:1}
.cta-final h2{
  font-size:clamp(1.9rem,5.5vw,3.1rem);font-stretch:112%;text-transform:uppercase;
  letter-spacing:-.03em;margin-bottom:1rem;
}
.cta-final>p{max-width:34rem;margin:0 auto 2rem;color:var(--ash)}
.cta-note{
  margin-top:1.1rem;font-family:var(--mono);font-size:.74rem;color:var(--ash-dim);
}

/* ── rodapé ────────────────────────────────────────────────── */
.foot{border-top:1px solid var(--edge);background:var(--steel)}
.foot-in{
  max-width:var(--max);margin:0 auto;padding:2.6rem var(--pad);
  display:flex;flex-wrap:wrap;gap:1.6rem 2.5rem;align-items:flex-start;
}
.foot-brand .brand img{height:24px;width:24px;opacity:.9}
.foot-tag{
  margin-top:.6rem;font-family:var(--mono);font-size:.7rem;letter-spacing:.18em;
  text-transform:uppercase;color:var(--ash-dim);
}
.foot-links{display:flex;flex-wrap:wrap;gap:1.2rem;margin-left:auto}
.foot-links a{font-size:.88rem;color:var(--ash);transition:color .2s ease}
.foot-links a:hover{color:var(--white-hot)}
.foot-copy{flex-basis:100%;font-size:.78rem;color:var(--ash-dim);padding-top:1.4rem;border-top:1px solid var(--edge)}

/* ── revelação no scroll ───────────────────────────────────── */
/* `.js` é adicionado no <head>: sem JS, nada fica escondido */
.js .reveal{opacity:0;transform:translateY(14px)}
.reveal{transition:opacity .6s cubic-bezier(.2,.7,.2,1),transform .6s cubic-bezier(.2,.7,.2,1)}
.js .reveal.in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  .js .reveal,.reveal{opacity:1;transform:none}
  .hero h1 .hot{color:var(--white-hot);-webkit-text-fill-color:currentColor}
}