*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background: #0A0A0A;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: #F5F5F5;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

#app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Transição de página */
.page-enter {
  animation: fadeUp 0.25s ease both;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Player de vídeo responsivo 16:9 */
.video-wrapper {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  background: #000;
  border-radius: 12px;
  margin-bottom: 20px;
}

.video-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* Impressão do certificado */
@media print {
  header, nav, .no-print { display: none !important; }
  body { background: #fff !important; color: #000 !important; }
  .certificate-card {
    border: 2px solid #C9A84C !important;
    box-shadow: none !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
}

/* Scrollbar customizada */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #0A0A0A; }
::-webkit-scrollbar-thumb { background: rgba(201,168,76,0.3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(201,168,76,0.5); }