.nav-arrow {
  position: absolute;
  top: 50%;
  font-size: 2rem;
  color: white;
  cursor: pointer;
  user-select: none;
  transform: translateY(-50%);
  padding: 0 .5rem;
}

.left-arrow { left: 0.5rem; }
.right-arrow { right: 0.5rem; }

.card img {
  object-fit: cover;
  height: 220px;
}


/* TOOL NAVBAR */
.tool-nav {
  background: #0e1117;
  border-bottom: 1px solid #262c36;
  padding: .65rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  display: block;
}

.tool-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.tool-brand {
  font-size: 1.05rem;
  font-weight: 700;
  color: #eab308;
  text-decoration: none;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.tool-menu a {
  margin-left: 1rem;
  color: #e2e8f0;
  text-decoration: none;
  font-size: .85rem;
  padding: .25rem .4rem;
  border-radius: 4px;
}

.tool-menu a:hover {
  background: rgba(255,255,255,.06);
  color: #f1c93b;
}

/* MÓVIL */
@media (max-width: 600px) {
  .tool-container {
    flex-direction: column;
    align-items: flex-start;
    gap: .4rem;
  }
  .tool-menu a {
    margin-left: 0;
    margin-right: .6rem;
  }
}

.cover-qsl {
  position: relative;
  background-image: url('../img/hero-album.png'); 
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cover-qsl {
  position: relative;
  background-image: url('../img/hero-album.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  height: 90vh; /* << grande */
  display: flex;
  align-items: center;
  justify-content: center;
  transition: height .35s ease;
}

.cover-qsl.compact {
  height: 200px; /* o lo que vos quieras */
}

.cover-qsl {
  height: 90vh;
  transition: height .2s ease-out;
  will-change: height;
}


@media (max-width: 768px) {
  .cover-qsl {
    min-height: 200px;
  }
}

.hero-panel {
  display: inline-block;
  padding: 1.4rem 2rem;
  border-radius: 12px;
  background: rgba(0,0,0,0.35);
  backdrop-filter: blur(6px) saturate(120%);
  -webkit-backdrop-filter: blur(6px) saturate(120%);
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: 0 4px 12px rgba(0,0,0,0.35);
  transition: .35s ease;
}

.hero-title {
  font-size: clamp(1.9rem, 4vw, 3rem);
  font-weight: 600;
  letter-spacing: .03em;
  margin-bottom: .5rem;
}

.hero-subtitle {
  font-size: clamp(1rem, 1.4vw, 1.3rem);
  opacity: .85;
  margin-bottom: .3rem;
}

@media (max-width: 600px) {
  .hero-panel {
    padding: 1rem 1.2rem;
    border-radius: 10px;
  }
}