/* =========================================================
   Sistema Operacional para Claude
   Mesmo sistema visual do site de aulas: fundo quase preto,
   cards translúcidos, acento laranja Claude, labels em mono.
   ========================================================= */

:root{
  --bg:#050507;
  --bg-elev:#0A0A0E;
  --surface:rgba(255,255,255,.028);
  --surface-hi:rgba(255,255,255,.055);
  --line:rgba(255,255,255,.09);
  --line-hi:rgba(255,255,255,.17);

  --ink:#F5F5F7;
  --ink-soft:#C6C6CF;
  --muted:#83838E;

  --accent:#D97757;
  --accent-bright:#E9906F;
  --accent-deep:#B65C3F;
  --accent-tint:rgba(217,119,87,.13);
  --accent-line:rgba(217,119,87,.42);
  --accent-glow:rgba(217,119,87,.30);

  --font:'Switzer','Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,Consolas,monospace;

  --shell:1140px;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
}

*,*::before,*::after{box-sizing:border-box;}

html{scroll-behavior:smooth; scroll-padding-top:88px;}
@media (prefers-reduced-motion:reduce){ html{scroll-behavior:auto;} }

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  background-image:radial-gradient(rgba(255,255,255,.045) 1px, transparent 1px);
  background-size:34px 34px;
  background-position:-1px -1px;
}

h1,h2,h3{margin:0; font-weight:700; letter-spacing:-.03em; line-height:1.08; text-wrap:balance;}
p{margin:0;}
img{max-width:100%; display:block;}
a{color:inherit; text-decoration:none;}
ul,ol{margin:0; padding:0; list-style:none;}

.shell{width:100%; max-width:var(--shell); margin:0 auto; padding:0 28px;}

.skip{position:absolute; left:-9999px; top:0; z-index:100; background:var(--accent); color:#160B06; padding:10px 16px; border-radius:0 0 var(--r-sm) 0; font-family:var(--mono); font-size:13px;}
.skip:focus{left:0;}

:focus-visible{outline:2px solid var(--accent-bright); outline-offset:3px; border-radius:4px;}

/* ---------------- NAV ---------------- */
.nav{position:sticky; top:0; z-index:50; background:rgba(5,5,7,.72); backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px); border-bottom:1px solid var(--line);}
.nav-inner{display:flex; align-items:center; gap:24px; height:68px;}

.brand{display:flex; align-items:center; gap:11px; flex:none;}
.brand-mark{
  width:30px; height:30px; flex:none; border-radius:8px;
  background:var(--accent); color:#160B06;
  font-family:var(--mono); font-size:13px; font-weight:600; letter-spacing:-.06em;
  display:flex; align-items:center; justify-content:center;
}
.brand-name{font-weight:600; font-size:15px; letter-spacing:-.015em;}

.nav-links{display:flex; gap:24px; margin-left:auto;}
.nav-links a{font-size:14.5px; color:var(--ink-soft); transition:color .15s;}
.nav-links a:hover{color:var(--ink);}
@media (max-width:980px){ .nav-links{display:none;} .nav-inner{gap:14px;} .nav .btn{margin-left:auto;} }
@media (max-width:520px){ .brand-name{font-size:13px; max-width:170px; line-height:1.2;} }

/* ---------------- BOTÕES / PILLS ---------------- */
.btn{
  display:inline-flex; align-items:center; gap:9px;
  background:var(--accent); color:#180B05;
  font-family:var(--font); font-weight:600; font-size:15.5px; letter-spacing:-.01em;
  padding:14px 26px; border-radius:100px; border:none; cursor:pointer;
  box-shadow:0 0 0 1px rgba(255,255,255,.09) inset, 0 10px 30px -10px var(--accent-glow);
  transition:background .16s, transform .16s, box-shadow .16s;
  white-space:nowrap;
}
.btn:hover{background:var(--accent-bright); transform:translateY(-1px); box-shadow:0 0 0 1px rgba(255,255,255,.14) inset, 0 16px 38px -12px var(--accent-glow);}
.btn:active{transform:translateY(0);}
.btn-sm{padding:9px 18px; font-size:14px;}
.btn-lg{padding:17px 34px; font-size:17px;}
.btn-arrow{transition:transform .16s;}
.btn:hover .btn-arrow{transform:translateX(3px);}

.pill{
  display:inline-block;
  font-family:var(--mono); font-size:11.5px; font-weight:500; letter-spacing:.14em; text-transform:uppercase;
  color:var(--accent); background:var(--accent-tint);
  border:1px solid var(--accent-line); border-radius:100px; padding:7px 16px;
}

.eyebrow{
  display:block;
  font-family:var(--mono); font-size:11.5px; font-weight:500; letter-spacing:.14em; text-transform:uppercase;
  color:var(--accent); margin-bottom:16px;
}

/* ---------------- HERO (imagem de fundo) ---------------- */
/* padding:0 anula a regra global de section — o espaçamento do herói
   é todo do .hero-inner, senão sobra vão em cima e embaixo no mobile */
.hero{position:relative; overflow:hidden; isolation:isolate; padding:0;}
.hero-bg{position:absolute; inset:0; z-index:-2;}
.hero-bg img{width:100%; height:100%; object-fit:cover; object-position:72% 50%;}
.hero::after{
  content:''; position:absolute; inset:0; z-index:-1; pointer-events:none;
  background:
    linear-gradient(90deg, var(--bg) 0%, var(--bg) 26%, rgba(5,5,7,.95) 44%, rgba(5,5,7,.74) 58%, rgba(5,5,7,.28) 78%, rgba(5,5,7,.04) 100%),
    linear-gradient(180deg, rgba(5,5,7,.55) 0%, transparent 22%, transparent 66%, var(--bg) 100%);
}
.hero-inner{position:relative; padding:112px 28px 124px; min-height:600px; display:flex; align-items:center;}
.hero-copy{max-width:600px;}

.hero-title{font-size:clamp(38px,5.4vw,64px); margin:26px 0 24px; letter-spacing:-.045em;}
.hero-title em{font-style:normal; color:var(--accent);}
.hero-sub{font-size:18.5px; line-height:1.62; color:var(--ink-soft); max-width:52ch; margin-bottom:38px;}
.hero-actions{display:flex; align-items:center; gap:28px; flex-wrap:wrap;}

/* faixa intermediária: a imagem corta na horizontal e o mascote encosta no texto */
@media (min-width:861px) and (max-width:1140px){
  .hero-copy{max-width:470px;}
  .hero-title{font-size:clamp(32px,4.4vw,44px);}
  .hero-sub{font-size:16.5px;}
  .hero-actions{flex-direction:column; align-items:flex-start; gap:20px;}
  .hero-copy .pill{font-size:10px; letter-spacing:.07em; padding:6px 13px;}
}

@media (max-width:860px){
  /* imagem vertical vira banner no topo, texto entra logo abaixo */
  .hero{display:block;}
  .hero::after{display:none;}
  .hero-bg{position:relative; inset:auto; z-index:0; display:block;}
  /* teto de altura para o headline não nascer abaixo da dobra */
  .hero-bg img{width:100%; height:auto; max-height:54vh; object-fit:cover; object-position:50% 40%;}
  /* o degradê acompanha a imagem, seja qual for a proporção */
  .hero-bg::after{
    content:''; position:absolute; inset:0; pointer-events:none;
    background:linear-gradient(180deg, rgba(5,5,7,.28) 0%, rgba(5,5,7,.02) 14%, rgba(5,5,7,.06) 60%, rgba(5,5,7,.62) 88%, var(--bg) 100%);
  }
  .hero-inner{position:relative; z-index:2; padding:8px 28px 44px; min-height:0; margin-top:-7vw;}
}

.checks{display:flex; flex-direction:column; gap:7px;}
.checks li{display:flex; align-items:center; gap:9px; font-size:14px; color:var(--muted);}
.checks li::before{
  content:'✓'; color:var(--accent); font-size:12px; font-weight:700;
  width:18px; height:18px; flex:none; border-radius:50%;
  background:var(--accent-tint); border:1px solid var(--accent-line);
  display:flex; align-items:center; justify-content:center;
}
.checks-center{flex-direction:row; flex-wrap:wrap; gap:10px 22px; justify-content:center; margin-top:26px;}

/* ---------------- SEÇÕES ---------------- */
section{padding:96px 0;}
.section-alt{background:var(--bg-elev); border-top:1px solid var(--line); border-bottom:1px solid var(--line);}

.section-head{max-width:64ch; margin-bottom:52px;}
.section-head h2{font-size:clamp(27px,3.4vw,40px); margin-bottom:18px;}
.section-sub{font-size:17px; color:var(--ink-soft); line-height:1.6; max-width:62ch;}

/* cards */
.cards{display:grid; grid-template-columns:repeat(2,1fr); gap:16px;}
.cards-3{grid-template-columns:repeat(3,1fr);}
@media (max-width:860px){ .cards, .cards-3{grid-template-columns:repeat(2,1fr);} }
@media (max-width:620px){ .cards, .cards-3{grid-template-columns:1fr;} }
.card{
  position:relative; background:var(--surface); border:1px solid var(--line); border-radius:var(--r-lg);
  padding:28px 28px 30px; transition:background .18s, border-color .18s, transform .18s;
}
.card:hover{background:var(--surface-hi); border-color:var(--line-hi); transform:translateY(-3px);}
.card-idx{
  display:block; font-family:var(--mono); font-size:11.5px; font-weight:600;
  letter-spacing:.1em; color:var(--accent); margin-bottom:14px;
}
.card h3{font-size:19px; margin-bottom:10px; letter-spacing:-.025em;}
.card p{font-size:15.5px; color:var(--ink-soft);}

/* pilares */
.pillars{display:grid; grid-template-columns:repeat(2,1fr); gap:16px;}
@media (max-width:820px){ .pillars{grid-template-columns:1fr;} }
.pillar{
  background:var(--surface); border:1px solid var(--line); border-radius:var(--r-lg);
  padding:32px 32px 34px; display:flex; flex-direction:column; gap:14px;
  transition:border-color .18s, background .18s;
}
.pillar:hover{border-color:var(--line-hi); background:var(--surface-hi);}
.pillar-tag{
  align-self:flex-start;
  font-family:var(--mono); font-size:10.5px; font-weight:500; letter-spacing:.12em; text-transform:uppercase;
  color:var(--accent); background:var(--accent-tint); border:1px solid var(--accent-line);
  padding:6px 12px; border-radius:100px;
}
.pillar h3{font-size:22px; letter-spacing:-.03em;}
.pillar > p{font-size:15.5px; color:var(--ink-soft);}
.pillar-list{display:flex; flex-direction:column; gap:9px; padding-top:6px; border-top:1px solid var(--line); margin-top:4px;}
.pillar-list li{position:relative; padding-left:20px; font-size:14.5px; color:var(--muted); padding-top:7px;}
.pillar-list li::before{
  content:''; position:absolute; left:0; top:16px;
  width:7px; height:7px; border-radius:2px; background:var(--accent); opacity:.75;
}

/* ciclo: texto + arte do notebook */
/* coluna do texto travada na medida do próprio texto e gap zero: assim a coluna
   da imagem começa exatamente onde o texto acaba, e centralizar dentro dela
   equivale a centralizar entre o fim do texto e o limite da área útil. */
.ciclo-top{display:grid; grid-template-columns:minmax(0,33rem) 1fr; gap:0; align-items:center; margin-bottom:52px;}
.ciclo-top .section-head{margin-bottom:0;}
@media (max-width:860px){
  .ciclo-top{grid-template-columns:1fr; gap:18px; margin-bottom:38px;}
  .ciclo-art img{width:74%;}
}

/* arte com fundo transparente: a figura ocupa a coluna toda, mas a imagem fica
   centralizada dentro dela — senão encosta na borda e parece desalinhada */
.ciclo-art, .gov-art{margin:0; position:relative; display:flex; justify-content:center; align-items:center;}
.ciclo-art::before, .gov-art::before{
  content:''; position:absolute; inset:0; pointer-events:none;
  background:radial-gradient(ellipse at 50% 50%, var(--accent-glow) 0%, rgba(217,119,87,.06) 46%, transparent 72%);
  filter:blur(26px);
}
.ciclo-art img, .gov-art img{position:relative; height:auto; filter:drop-shadow(0 28px 46px rgba(0,0,0,.6));}
.ciclo-art img{width:86%;}
.gov-art{flex:1; margin-top:16px;}
.gov-art img{width:68%;}
@media (max-width:900px){ .gov-art{margin-top:20px;} .gov-art img{width:52%;} }

/* fluxo do ciclo */
.flow{display:flex; flex-wrap:wrap; gap:10px;}
.flow li{
  display:flex; align-items:center; gap:10px;
  background:var(--surface); border:1px solid var(--line); border-radius:100px;
  padding:11px 20px 11px 14px; font-size:15px; color:var(--ink);
}
.flow-n{
  font-family:var(--mono); font-size:11px; font-weight:600; color:var(--accent);
  background:var(--accent-tint); border:1px solid var(--accent-line);
  border-radius:100px; padding:3px 8px; font-variant-numeric:tabular-nums;
}
.flow-note{margin-top:32px; font-size:16px; color:var(--muted); max-width:56ch; border-left:2px solid var(--accent-line); padding-left:18px;}

/* governança */
/* stretch + flex:1 na arte: a imagem absorve a sobra vertical da coluna
   e se centraliza nela, em vez de ficar colada no texto */
.gov{display:grid; grid-template-columns:.9fr 1.1fr; gap:56px; align-items:stretch;}
.gov-intro{display:flex; flex-direction:column;}
@media (max-width:900px){ .gov{grid-template-columns:1fr; gap:38px;} }
.gov-intro h2{font-size:clamp(26px,3.2vw,36px); margin-bottom:18px;}
.gov-body{display:flex; flex-direction:column; gap:26px;}
.states{display:flex; flex-direction:column;}
.state{
  display:grid; grid-template-columns:100px 1fr; gap:16px; align-items:baseline;
  padding:15px 0; border-top:1px solid var(--line);
}
.state:first-child{border-top:none;}
.state strong{font-size:16.5px; letter-spacing:-.02em;}
.state span{font-family:var(--mono); font-size:12.5px; color:var(--muted);}
.gov-rules{display:flex; flex-direction:column; gap:12px; background:var(--surface); border:1px solid var(--line); border-radius:var(--r-md); padding:24px 26px;}
.gov-rules li{position:relative; padding-left:20px; font-size:15px; color:var(--ink-soft);}
.gov-rules li::before{content:''; position:absolute; left:0; top:9px; width:7px; height:7px; border-radius:2px; background:var(--accent);}

/* ---------------- CTA FINAL ---------------- */
.cta-final{position:relative; text-align:center; overflow:hidden; padding:110px 0 120px;}
.cta-glow{
  position:absolute; bottom:-380px; left:50%; transform:translateX(-50%);
  width:1000px; height:620px; pointer-events:none;
  background:radial-gradient(ellipse at center, rgba(217,119,87,.20) 0%, rgba(217,119,87,.06) 40%, transparent 70%);
  filter:blur(16px);
}
.cta-inner{position:relative; display:flex; flex-direction:column; align-items:center;}
.cta-inner h2{font-size:clamp(30px,4.2vw,48px); margin:24px 0 20px;}
.cta-inner .section-sub{margin-bottom:36px; text-align:center;}

/* ---------------- FOOTER ---------------- */
.footer{border-top:1px solid var(--line); padding:34px 0 44px; background:var(--bg-elev);}
.footer-inner{display:flex; align-items:center; justify-content:space-between; gap:16px; flex-wrap:wrap;}
.footer .brand-name{font-size:13.5px; color:var(--ink-soft);}
.footer .brand-mark{width:24px; height:24px; font-size:11px;}
.footer-copy{font-family:var(--mono); font-size:11.5px; color:var(--muted);}

/* ---------------- RITMO NO MOBILE ----------------
   Precisa vir depois de `section{padding:96px 0}`,
   senão a regra global vence por ordem no arquivo. */
@media (max-width:760px){
  section{padding:64px 0;}
  .hero{padding:0;}
  .section-head{margin-bottom:34px;}
  .cta-final{padding:76px 0 84px;}
}

/* ---------------- ENTRADA ----------------
   Só o herói anima, no load. Nada de conteúdo
   parado em opacity:0 esperando scroll.        */
@media (prefers-reduced-motion:no-preference){
  .hero-copy [data-reveal]{animation:rise .62s cubic-bezier(.22,.61,.36,1) both;}
  .hero-copy [data-reveal]:nth-child(2){animation-delay:.06s;}
  .hero-copy [data-reveal]:nth-child(3){animation-delay:.12s;}
  .hero-copy [data-reveal]:nth-child(4){animation-delay:.18s;}
  @keyframes rise{from{opacity:0; transform:translateY(14px);} to{opacity:1; transform:none;}}
}