.actividades-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px 100px 20px;
    background-color: #ffffff;
    font-family: 'Poppins', sans-serif;
}
.actividades-header {
    text-align: center;
    margin-bottom: 60px;
}
.actividades-header h1 {
    font-size: 32px;
    font-weight: 700;
    color: #1e293b;
    text-transform: uppercase;
}
.actividades-header h1 .highlight { color: #02a29a; }
.actividades-header p { font-size: 16px; color: #64748b; }
.bloque-actividades { margin-bottom: 70px; }
.bloque-header {
    display: flex;
    align-items: center;
    gap: 14px;
    padding-bottom: 16px;
    margin-bottom: 30px;
    border-bottom: 2px solid #f1f5f9;
}
.bloque-header h2 {
    font-size: 20px;
    font-weight: 700;
    text-transform: uppercase;
    color: #1e293b;
}
.bloque-icon { width: 28px; height: 28px; }
.icon-blue { color: #02a29a; }
.icon-green { color: #00d084; }
.icon-teal { color: #008480; }
.tarjetas-grid {
    display: grid;
    grid-template-columns: repeat(1, minmax(0, 1fr));
    gap: 30px;
}
@media (min-width: 768px) { .tarjetas-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1024px) { .tarjetas-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.tarjeta-item {
    background: #ffffff;
    border-radius: 16px;
    border: 1px solid #f1f5f9;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s ease;
}
.tarjeta-item:hover { transform: translateY(-5px); box-shadow: 0 12px 20px -3px rgba(0, 0, 0, 0.08); }
.tarjeta-imagen { width: 100%; aspect-ratio: 16 / 9; overflow: hidden; background-color: #f8fafc; }
.tarjeta-imagen img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.tarjeta-item:hover .tarjeta-imagen img { transform: scale(1.04); }
.tarjeta-cuerpo { padding: 24px; display: flex; flex-direction: column; flex-grow: 1; }
.tarjeta-fecha { font-size: 11px; font-weight: 600; text-transform: uppercase; color: #94a3b8; margin-bottom: 12px; }
.tarjeta-titulo { font-size: 14px; font-weight: 600; line-height: 1.5; margin-bottom: 20px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; height: 42px; }
.tarjeta-titulo a { color: #334155; text-decoration: none; }
.tarjeta-item:hover .tarjeta-titulo a { color: #02a29a; }
.tarjeta-accion { display: flex; justify-content: flex-end; margin-top: auto; }
.btn-leer { font-size: 13px; font-weight: 700; color: #02a29a; text-decoration: none; }

/* ESTILOS PREMIUM GLASSMORPHISM SQUIRCLE */
.explora-bloques-footer {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 40px);
    max-width: 550px;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 24px;
    padding: 10px 20px;
    z-index: 999;
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.1);
}
.explora-wrapper { display: flex; justify-content: space-between; align-items: center; }
.explora-label { font-size: 11px; font-weight: 800; color: #475569; letter-spacing: 0.05em; }
.explora-links { display: flex; gap: 14px; }
.link-nav-premium {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.6);
    box-shadow: inset 0 2px 4px rgba(255, 255, 255, 0.8), 0 4px 10px rgba(0, 0, 0, 0.02);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.icon-glass-case { display: flex; align-items: center; justify-content: center; width: 30px; height: 30px; border-radius: 10px; }
.icon-glass-case svg { width: 18px; height: 18px; }
.glass-blue .icon-glass-case { background: rgba(2, 162, 154, 0.1); color: #02a29a; }
.glass-blue:hover { background: rgba(2, 162, 154, 0.15); border-color: rgba(2, 162, 154, 0.4); box-shadow: 0 8px 20px rgba(2, 162, 154, 0.2); }
.glass-green .icon-glass-case { background: rgba(0, 208, 132, 0.1); color: #00d084; }
.glass-green:hover { background: rgba(0, 208, 132, 0.15); border-color: rgba(0, 208, 132, 0.4); box-shadow: 0 8px 20px rgba(0, 208, 132, 0.2); }
.glass-teal .icon-glass-case { background: rgba(0, 132, 128, 0.1); color: #008480; }
.glass-teal:hover { background: rgba(0, 132, 128, 0.15); border-color: rgba(0, 132, 128, 0.4); box-shadow: 0 8px 20px rgba(0, 132, 128, 0.2); }
.link-nav-premium:hover { transform: translateY(-4px) scale(1.05); }