/* =====================================================================
   PLATAFORMA CAMINHOS DIGITAIS — Sistema visual
   Herda os tokens da landing (index.html). Pensado para baixo letramento
   digital: fontes grandes, alvos generosos, linguagem visual clara.
   ===================================================================== */

:root{
  --vermelho:#C1121F; --vermelho-esc:#8E0E18;
  --ciano:#12C4B2; --ciano-esc:#0B7D73;
  --amarelo:#FFD100; --tinta:#10181B; --texto:#3B4C50;
  --claro:#F4F6F7; --branco:#FFFFFF;
  --borda:rgba(12,24,28,.10); --borda-forte:rgba(12,24,28,.18);
  --ok:#1B7F4B; --ok-fundo:#E6F4EC;
  --alerta:#9A6800; --alerta-fundo:#FFF6DF;
  --erro:#A8121D; --erro-fundo:#FDECEE;
  --display:'Archivo',sans-serif; --body:'Sora',sans-serif;
  --sombra:0 10px 30px rgba(20,40,45,.08);
  --sombra-alta:0 24px 50px rgba(20,40,45,.14);
  --raio:16px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--body);background:var(--claro);color:var(--texto);
  font-size:17px;line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
::selection{background:var(--amarelo);color:var(--tinta)}
:focus-visible{outline:3px solid var(--ciano-esc);outline-offset:3px;border-radius:6px}

.pular{position:absolute;left:-9999px;background:var(--tinta);color:#fff;padding:14px 20px;font-weight:700;z-index:99}
.pular:focus{left:0;top:0}

/* ---------- tipografia ---------- */
h1,h2,h3{font-family:var(--display);color:var(--tinta);line-height:1.15;font-weight:900}
h1{font-size:clamp(26px,4vw,38px);text-transform:uppercase;letter-spacing:-.01em}
h2{font-size:clamp(21px,3vw,27px)}
h3{font-size:19px}

/* ---------- cabecalho ---------- */
.topo{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.95);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--borda)}
.topo-int{max-width:1120px;margin:0 auto;padding:12px 22px;display:flex;align-items:center;gap:18px}
.topo-links{margin-left:auto;display:flex;gap:20px;align-items:center;flex-wrap:wrap}
.topo-links a{color:var(--texto);text-decoration:none;font-size:14px;font-weight:600;
  padding:6px 2px;border-bottom:2px solid transparent}
.topo-links a:hover{color:var(--tinta);border-bottom-color:var(--ciano)}
.selo-t{background:var(--tinta);color:#fff;font-family:var(--display);font-weight:900;
  font-size:13px;padding:4px 10px;border-radius:6px;letter-spacing:.05em}

.faixa-proto{background:var(--tinta);color:#C9D8DA;font-size:13px;padding:9px 22px;text-align:center}
.faixa-proto strong{color:var(--amarelo)}

/* ---------- layout ---------- */
.pagina{max-width:1120px;margin:0 auto;padding:38px 22px 90px}
.leitura-largura{max-width:760px}
.rotulo{display:inline-flex;align-items:center;gap:12px;font-size:12px;font-weight:800;
  letter-spacing:.28em;text-transform:uppercase;color:var(--ciano-esc);margin-bottom:14px}
.rotulo::before{content:'';width:32px;height:2px;background:var(--vermelho)}
.mudo{color:#7C8F93;font-size:14px}
.forte{color:var(--tinta);font-weight:600}

/* ---------- botoes (alvos grandes) ---------- */
.btn{font-family:var(--body);font-weight:800;font-size:14px;letter-spacing:.08em;
  text-transform:uppercase;text-decoration:none;display:inline-flex;align-items:center;
  justify-content:center;gap:10px;padding:16px 30px;border-radius:11px;border:none;
  cursor:pointer;transition:transform .18s,box-shadow .18s;min-height:54px}
.btn:hover:not(:disabled){transform:translateY(-2px)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn-vermelho{background:var(--vermelho);color:#fff;box-shadow:0 8px 22px rgba(193,18,31,.28)}
.btn-ciano{background:var(--ciano-esc);color:#fff;box-shadow:0 8px 22px rgba(11,125,115,.28)}
.btn-amarelo{background:linear-gradient(180deg,var(--amarelo),#F2B900);color:var(--tinta);box-shadow:0 8px 22px rgba(255,209,0,.3)}
.btn-borda{background:transparent;color:var(--tinta);border:2px solid var(--borda-forte)}
.btn-borda:hover{border-color:var(--tinta)}
.btn-largo{width:100%}
.btn-g{padding:19px 36px;font-size:15px}

/* ---------- cartao ---------- */
.cartao{background:var(--branco);border:1px solid var(--borda);border-radius:var(--raio);
  padding:26px;box-shadow:var(--sombra)}
.cartao-fita{position:relative;overflow:hidden}
.cartao-fita::before{content:'';position:absolute;top:0;left:0;right:0;height:5px;
  background:linear-gradient(90deg,var(--vermelho),var(--amarelo),var(--ciano))}

/* ---------- barra de progresso ---------- */
.barra{height:10px;background:rgba(12,24,28,.09);border-radius:99px;overflow:hidden}
.barra i{display:block;height:100%;border-radius:99px;
  background:linear-gradient(90deg,var(--ciano-esc),var(--ciano));transition:width .5s ease}

/* ---------- selos ---------- */
.selo{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:800;
  letter-spacing:.06em;text-transform:uppercase;padding:6px 13px;border-radius:20px}
.selo-ok{background:var(--ok-fundo);color:var(--ok)}
.selo-and{background:rgba(18,196,178,.14);color:var(--ciano-esc)}
.selo-neu{background:rgba(12,24,28,.07);color:#5D6F73}
.selo-breve{background:var(--alerta-fundo);color:var(--alerta)}

/* =====================================================================
   NAVEGACAO DA TRILHA (visao geral)
   ===================================================================== */
.trilha-cab{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;margin-bottom:34px}
.trilha-selo-grande{width:92px;height:92px;border-radius:22px;background:var(--tinta);color:#fff;
  font-family:var(--display);font-weight:900;font-size:34px;display:flex;align-items:center;justify-content:center}
.modulo-card{background:var(--branco);border:1px solid var(--borda);border-radius:var(--raio);
  margin-bottom:16px;overflow:hidden;box-shadow:var(--sombra)}
.modulo-topo{display:flex;align-items:center;gap:18px;padding:20px 26px;border-bottom:1px solid var(--borda)}
.modulo-num{width:46px;height:46px;flex:none;border-radius:12px;background:rgba(18,196,178,.12);
  color:var(--ciano-esc);font-family:var(--display);font-weight:900;font-size:20px;
  display:flex;align-items:center;justify-content:center}
.modulo-topo h3{flex:1}
.aula-linha{display:flex;align-items:center;gap:16px;padding:18px 26px;text-decoration:none;
  color:inherit;border-bottom:1px solid rgba(12,24,28,.06);transition:background .15s}
.aula-linha:last-child{border-bottom:none}
.aula-linha:hover{background:rgba(18,196,178,.05)}
.aula-check{width:30px;height:30px;flex:none;border-radius:50%;border:2.5px solid var(--borda-forte);
  display:flex;align-items:center;justify-content:center}
.aula-check.feito{background:var(--ok);border-color:var(--ok)}
.aula-check.feito::after{content:'';width:8px;height:13px;border:solid #fff;border-width:0 3px 3px 0;transform:rotate(45deg) translateY(-1px)}
.aula-check.andamento{border-color:var(--ciano-esc)}
.aula-info{flex:1;min-width:0}
.aula-info b{display:block;font-size:16.5px;color:var(--tinta);font-weight:600}
.aula-info small{font-size:13px;color:#7C8F93}
.modulo-breve{padding:20px 26px;color:#7C8F93;font-size:14px;display:flex;align-items:center;gap:12px}

/* ---------- rodape ---------- */
.rodape{background:#0C1417;color:#9DB4B0;padding:32px 22px;text-align:center;font-size:13px;margin-top:60px}
.rodape a{color:var(--ciano);text-decoration:none}

@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}html{scroll-behavior:auto}}
@media (max-width:720px){
  .topo-int{flex-wrap:wrap}.topo-links{width:100%;margin-left:0;overflow-x:auto}
  .trilha-cab{grid-template-columns:1fr}.pagina{padding:26px 16px 70px}
}