*{ box-sizing: border-box; }
html, body{ height: 100%; }
body{
  margin: 0;
  font-family: var(--pf-font);
  background: radial-gradient(1200px 650px at 50% 0%, rgba(18,195,138,0.06), transparent 60%),
              linear-gradient(180deg, #050607 0%, #000 100%);
  color: var(--pf-texto);
}

/* TOPBAR */
.pf-certificados__topbar{
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(8, 10, 10, 0.62);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.pf-certificados__topbar-inner{
  max-width: var(--pf-maxw);
  margin: 0 auto;
  padding: 14px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
}

.pf-certificados__voltar,
.pf-certificados__download-todos{
  text-decoration: none;
  color: rgba(255,255,255,0.78);
  font-weight: 800;
  font-size: 13px;
  padding: 10px 12px;
  border: 1px solid var(--pf-borda);
  border-radius: 999px;
  background: rgba(255,255,255,0.03);
}

.inv-trilha__brand{
  display: inline-flex;
  align-items: baseline;
  text-decoration: none;
  letter-spacing: 0.6px;
  font-weight: 800;
}

.inv-trilha__brand-word{
  color: var(--primary-color);
  font-size: 22px;
}
.inv-trilha__brand-dot{
  color: var(--secondary-color);
  font-size: 22px;
  transform: translateY(-1px);
}

/* CABEÇALHO */
.pf-certificados__pagina{
  max-width: var(--pf-maxw);
  margin: 0 auto;
  padding: 28px 18px 70px;
}

.pf-certificados__cabecalho{
  text-align: center;
  margin-top: 10px;
  margin-bottom: 24px;
}

.pf-certificados__titulo{
  margin: 0;
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 900;
  letter-spacing: -0.5px;
  color: rgba(255,255,255,0.95);
}

.pf-certificados__texto{
  margin: 14px auto 0;
  max-width: 820px;
  line-height: 1.85;
  color: var(--pf-mutado);
}

.pf-certificados__filtros{
  margin-top: 18px;
  display: inline-flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
}

.pf-certificados__filtro{
  appearance: none;
  border: 1px solid var(--secondary-color);
  background: rgba(15, 163, 163, 0.3);
  color: rgba(255,255,255,0.86);
  padding: 10px 12px;
  border-radius: 999px;
  font-weight: 900;
  font-size: 12px;
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.pf-certificados__filtro:hover{
  transform: translateY(-1px);
  border-color: #fff;
}

.pf-certificados__filtro--ativo{
  background: rgba(18, 195, 138, 0.3);
  border-color: var(--primary-color);
}

/* GRADE */
.pf-certificados__grade{
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.pf-certificados__item{
  border-radius: var(--pf-raio-xl);
  border: 1px solid var(--pf-borda);
  background: var(--pf-superficie);
  box-shadow: var(--pf-sombra);
  overflow: hidden;
}

.pf-certificados__abrir{
  width: 100%;
  text-align: left;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
}

.pf-certificados__thumb{
  height: 160px;
  background: radial-gradient(480px 220px at 30% 20%, rgba(18,195,138,0.20), transparent 55%),
              linear-gradient(135deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
  display: grid;
  place-items: center;
  overflow: hidden;
}

.pf-certificados__thumb-img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(1.05) contrast(1.05);
}

.pf-certificados__thumb--pdf{
  position: relative;
}

.pf-certificados__pdfbadge{
  font-weight: 1000;
  letter-spacing: 1px;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(0,0,0,0.35);
  color: rgba(255,255,255,0.92);
}

.pf-certificados__meta{
  padding: 14px 14px 16px;
}

.pf-certificados__nome{
  margin: 0;
  font-size: 15px;
  font-weight: 900;
  color: rgba(255,255,255,0.92);
}

.pf-certificados__detalhe{
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(255,255,255,0.62);
}

/* OVERLAY + VIEWER */
.pf-certificados__overlay{
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.72);
  backdrop-filter: blur(8px);
  display: none;
  z-index: 80;
  padding: 18px;
}

.pf-certificados__overlay.pf-certificados__overlay--aberto{
  display: grid;
  place-items: center;
}

.pf-certificados__viewer{
  width: min(980px, 100%);
  max-height: min(86vh, 900px);
  border-radius: var(--pf-raio-xl);
  border: 1px solid rgba(255,255,255,0.14);
  background: var(--pf-superficie-forte);
  box-shadow: 0 28px 80px rgba(0,0,0,0.70);
  overflow: hidden;
  display: grid;
  grid-template-rows: auto 1fr;
}

.pf-certificados__viewer-topo{
  padding: 14px 14px;
  border-bottom: 1px solid rgba(255,255,255,0.10);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.pf-certificados__viewer-titulo{
  font-weight: 1000;
  color: rgba(255,255,255,0.95);
}

.pf-certificados__viewer-subtitulo{
  margin-top: 6px;
  font-size: 13px;
  color: rgba(255,255,255,0.62);
}

.pf-certificados__viewer-acoes{
  display: flex;
  gap: 10px;
  align-items: center;
}

.pf-certificados__viewer-download{
  text-decoration: none;
  font-weight: 1000;
  font-size: 13px;
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid rgba(18,195,138,0.30);
  background: rgba(18,195,138,0.14);
  color: rgba(255,255,255,0.92);
  white-space: nowrap;
}

.pf-certificados__viewer-fechar{
  appearance: none;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.05);
  color: rgba(255,255,255,0.92);
  width: 42px;
  height: 42px;
  border-radius: 14px;
  cursor: pointer;
  font-weight: 900;
}

.pf-certificados__viewer-corpo{
  padding: 14px;
  overflow: auto;
}

.pf-certificados__midia-img{
  width: 100%;
  height: auto;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.10);
  background: rgba(0,0,0,0.20);
}

.pf-certificados__midia-pdf{
  width: 100%;
  height: min(70vh, 720px);
  border: 0;
  border-radius: 16px;
  background: rgba(0,0,0,0.25);
  border: 1px solid rgba(255,255,255,0.10);
}

/* RESPONSIVO */
@media (max-width: 980px){
  .pf-certificados__grade{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px){
  .pf-certificados__grade{ grid-template-columns: 1fr; }
}