* {
  box-sizing: border-box;
}

body {
  background: #131313;
  color: #b9cacb;
  font-family: 'Inter', sans-serif;
  margin: 0;
  padding: 0;
}

.container {
  max-width: 1300px;
  margin: 0 auto;
  padding: 32px 24px;
}

.btn-regresar {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #b9cacb;
  text-decoration: none;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 9999px;
  border: 1px solid #3a494b;
  transition: color 0.2s, border-color 0.2s;
}

.btn-regresar:hover {
  color: #00f2ff;
  border-color: #00f2ff;
}

.tag {
  font-family: 'JetBrains Mono', monospace;
  color: #fface8;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-top: 32px;
  margin-bottom: 8px;
}

.titulo {
  
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  color: #e2e2e2;
  font-size: 40px;
  margin: 0 0 10px 0;
}

@media (min-width: 1024px) {
  .titulo {
    font-size: 52px;
  }
}

.subtitulo {
  font-family: 'Inter', sans-serif;
  color: #b9cacb;
  font-size: 15px;
  margin: 0 0 32px 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 24px;
}

@media (min-width: 640px) {
  .grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1280px) {
  .grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.card {
  background: #1f1f1f;
  border: 1px solid #3a494b;
  border-radius: 14px;
  overflow: hidden;
  cursor: pointer;
  transition: border-color 0.25s ease;
  text-decoration: none;
  display: block;
}

.card:hover {
  border-color: #00f2ff;
}

.card.bloqueado:hover {
  border-color: #ff4f4f;
}

.card__cover-wrap {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: linear-gradient(135deg, #2a2a2a, #0e0e0e);
}

.card__cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease, filter 0.4s ease;
}

.card:hover .card__cover {
  transform: scale(1.05);
}

.card.bloqueado .card__cover {
  filter: grayscale(1) brightness(0.4);
}

.card__lock {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 34px;
}

.card__badge {
  position: absolute;
  top: 10px;
  left: 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  padding: 4px 12px;
  border-radius: 9999px;
  text-transform: uppercase;
  font-weight: 700;
}

.card__badge.libre {
  background: rgba(0, 242, 255, 0.15);
  border: 1px solid #00f2ff;
  color: #00f2ff;
}

.card__badge.bloqueado {
  background: rgba(255, 79, 79, 0.15);
  border: 1px solid #ff4f4f;
  color: #ff4f4f;
}

.card__body {
  padding: 16px 18px 18px;
}

.card__title {
    font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 17px;
  color: #e2e2e2;
  line-height: 1.3;
  margin: 0 0 6px 0;
  word-break: break-word;
}

.card__desc {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  color: #b9cacb;
  margin: 0 0 12px 0;
  line-height: 1.4;
}

.card__nivel {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: #fface8;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ── MODAL BLOQUEADO ── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 24px;
}

.modal-overlay.active {
  display: flex;
}

.modal-box {
  background: #1f1f1f;
  border: 1px solid #ff4f4f;
  border-radius: 16px;
  padding: 40px 32px;
  max-width: 380px;
  text-align: center;
}

.modal-icono {
  font-size: 40px;
  margin-bottom: 16px;
}

.modal-texto {
  font-family: 'Inter', sans-serif;
  color: #e2e2e2;
  font-size: 15px;
  line-height: 1.5;
  margin: 0 0 24px 0;
}

.modal-btn {
  background: #00f2ff;
  color: #00363a;
  border: none;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 13px;
  padding: 10px 24px;
  border-radius: 9999px;
  cursor: pointer;
  transition: transform 0.2s ease;
}

.modal-btn:hover {
  transform: scale(1.05);
}

@media (min-width: 1024px) {
  .grid {
    grid-template-columns: repeat(3, 1fr);
  }
}